
Article 1 

1. For the purposes of section 1.4.1(iii) of Annex V to Directive 2000/60/EC, Member States shall use in their monitoring systems classification the values of the boundaries between classes that are set out in Annex I and II to this Decision.
2. Member States shall complete all the necessary steps in the intercalibration exercise for the results included in Annex II to this Decision by 22 December 2016.
Article 2 
Decision 2008/915/EC is repealed.
Article 3 
This Decision is addressed to the Member States.
Done at Brussels, 20 September 2013.
For the Commission
Janez POTOČNIK
Member of the Commission
ANNEX I
WATER CATEGORY: Rivers 

Type River characterisation Catchment (km2) Altitude and geomorphology Alkalinity Flow regime
R-A1 Pre-Alpine, small to medium, high altitude calcareous 10-1 000 800-2 500 m (catchment), boulders/cobble high (but not extremely high) alkalinity 
R-A2 Small to medium, high altitude, siliceous 10-1 000 500-1 000 m (max. altitude of catchment 3 000 m, mean 1 500 m), boulders Non-calcareous (granite, metamorphic). medium to low alkalinity nival-glacial flow regime

Countries sharing the types that have been intercalibrated:

Type R-A1Germany, Austria, France, Italy, SloveniaType R-A2Austria, France, Italy, Spain
 ALPINE RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 

Type and country National classification systems intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Type R-A1
Austria Assessment of the biological quality elements - part benthic invertebrates [Erhebung der biologischen Qualitätselemente - Teil Makrozoobenthos (Detaillierte MZB-Methode)] 0,8 0,6
France Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,93 0,79
Germany PERLODES – Bewertungsverfahren von Fließgewässern auf Basis des Makrozoobenthos 0,8 0,6
Italy MacrOper, based on STAR Intercalibration Common Metric Index (STAR_ICMi) 0,97 0,73
Slovenia Metodologija vrednotenja ekološkega stanja rek z bentoškimi nevretenčarji v Sloveniji (Ecological status assessment system for rivers using benthic invertebrates in Slovenia) 0,8 0,6
Type R-A2
Austria Assessment of the biological quality elements - part benthic invertebrates [Erhebung der biologischen Qualitätselemente - Teil Makrozoobenthos (Detaillierte MZB-Methode)] 0,8 0,6
France (Alps) Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,93 0,71
France (Pyrenees) Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,94 0,81
Italy MacrOper, based on STAR Intercalibration Common Metric Index (STAR_ICMi) 0,95 0,71
Spain Iberian BMWP (IBMWP) 0,83 0,53


Type and country National classification systems intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Type R-A1
Austria Assessment of the biological quality elements - part phytobenthos [Leitfaden zur Erhebung der biologischen Qualitätselemente, Teil A3 - Fließgewässer/Phytobenthos] 0,88 0,56
France IBD 2007 (Coste et al, Ecol. Ind. 2009). AFNOR NF-T-90-354, December 2007. Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,94 0,78
Germany Verfahrensanleitung für die ökologische Bewertung von Fließgewässern zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Diatomeen 0,735 0,54
Italy ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009, Phytobenthos Intercalibration Common Metric (pICM: Kelly et al., 2009) 0,87 0,7
Slovenia Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) 0,8 0,6
Type R-A2
Austria Assessment of the biological quality elements - part phytobenthos [Leitfaden zur Erhebung der biologischen Qualitätselemente, Teil A3 - Fließgewässer/Phytobenthos] 0,88 0,56
France IBD 2007 (Coste et al, Ecol. Ind. 2009). AFNOR NF-T-90-354, December 2007. Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,94 0,78
Spain IPS (Coste in Cemagref, 1982) 0,94 0,74
Italy ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009, Phytobenthos Intercalibration Common Metric (pICM: Kelly et al., 2009) 0,85 0,64

WATER CATEGORY: Rivers 

Type River characterisation Catchment (km2) Altitude & geomorphology Alkalinity (meq/l)
R-C1 Small lowland siliceous sand 10-100 lowland, dominated by sandy substrate (small particle size), 3-8 m width (bankfull size) > 0,4
R-C2 Small lowland siliceous - rock 10-100 lowland, rock material3-8 m width (bankfull size) < 0,4
R-C3 Small mid-altitude siliceous 10-100 mid-altitude, rock (granite) - gravel substrate, 2-10 m width (bankfull size) < 0,4
R-C4 Medium lowland mixed 100-1 000 lowland, sandy to gravel substrate, 8-25 m width (bankfull size) > 0,4
R-C5 Large lowland mixed 1 000-10 000 lowland, barbel zone, variation in velocity, max. altitude in catchment: 800 m, > 25 m width (bankfull size) > 0,4
R-C6 Small, lowland, calcareous 10-300 lowland, gravel substrate (limestone), width 3-10 m (bankfull size) > 2

Countries sharing the types that have been intercalibrated:

Type R-C1Belgium (Flanders), Belgium (Wallonia), Germany, Denmark, France, Italy, Lithuania, the Netherlands, Poland, Sweden, United KingdomType R-C2Spain, France, Ireland, Portugal, Sweden, United KingdomType R-C3Austria, Belgium (Wallonia), Czech Republic, Germany, Poland, Portugal, Spain, Sweden, France, Latvia, Luxembourg, United KingdomType R-C4Belgium (Flanders), Belgium (Wallonia), Czech Republic, Germany, Denmark, Estonia, Spain, France, Ireland, Italy, Lithuania, Luxembourg, the Netherlands, Poland, Sweden, United KingdomType R-C5Belgium (Wallonia), Czech Republic, Estonia, France, Germany, Spain, Ireland. Italy, Latvia, Lithuania, Luxembourg, Netherlands, Poland, Sweden, United KingdomType R-C6Belgium (Wallonia), Denmark, Estonia, Spain, France, Ireland, Italy, Poland, Lithuania, Luxembourg, Sweden, United Kingdom
 CENTRAL-BALTIC RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
The following results apply to all types as described above.


Country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Austria Assessment of the biological quality elements - part benthic invertebrates 0,8 0,6
Belgium (Flanders) Multimetric Macroinvertebrate Index Flanders (MMIF) 0,9 0,7
Belgium (Wallonia) Indice Biologique Global Normalisé (IBGN) (Norme AFNOR NF T 90 350, 1992) and Arrêté du Gouvernement wallon du 13 septembre 2012 relatif à l’identification, à la caractérisation et à la fixation des seuils d’état écologique applicables aux masses d’eau de surface et modifiant le Livre II du Code de l’Environnement, contenant le Code de l’Eau. Moniteur belge 12.10.2012 0,97 (types R-C3,, R-C5, R-C6)0,94 (type R-C1) 0,74 (types R-C3,, R-C5, R-C6)0,75 (type R-C1)
Czech Republic Czech system for ecological status assessment of rivers using benthic macroinvertebrates 0,8 0,6
Denmark Danish Stream Fauna Index (DSFI) 1,0 0,71
Estonia Estonian surface water ecological quality assessment – river macroinvertebrates 0,9 0,7
Germany PERLODES – Bewertungsverfahren von Fließgewässern auf Basis des Makrozoobenthos 0,8 0,6
France Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,94 0,8
Ireland Quality Rating System (Q-value) 0,85 0,75
Italy MacrOper, based on STAR_ICM index calculation 0,96 0,72
Luxembourg Classification luxembourgeoise DCE Indice Biologique Global Normalisé (IBGN) 1992, AFNOR NF-T-90-350 et circulaire DCE 2007/22 MEDD/DE/MAGE/BEMA 07/no 4 du 11 avril 2007 0,96 0,72
Netherlands KRW-maatlat 0,8 0,6
Poland RIVECOmacro for ecological status assessment of rivers using benthic macroinvertebrates(Multimetric Macroinvertebrate Index, based on STAR_ICM) 0,91(type RC1) 0,72 (type RC1)
Spain METI 0,93 0,7
Sweden DJ-index (Dahl & Johnson 2004) 0,8 0,6
United Kingdom River Invertebrate Classification Tool (RICT)- WHPT 0,97 0,86


Country National classification system intercalibrated Type Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Austria AIM for Rivers (Austrian Index Macrophytes for rivers) RC-3 0,875 0,625
Belgium (Flanders) MAFWAT - Flemish macrophyte assessment system R-C1 0,8 0,6
Belgium (Wallonia) IBMR-WL - Biological Macrophyte Index for Rivers (Arrêté du Gouvernement wallon du 13 septembre 2012 relatif à l’identification, à la caractérisation et à la fixation des seuils d’état écologique applicables aux masses d’eau de surface et modifiant le Livre II du Code de l’Environnement, contenant le Code de l’Eau. Moniteur belge 12.10.2012) R-C3 0,925 0,607
Denmark DSPI - Danish Stream Plant Index R-C1 0,7 0,5
R-C4 0,7 0,5
Germany Verfahrensanleitung für die ökologische Bewertung von Fließgewässern zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Makrophyten R-C1 0,745 0,495
R-C3 0,8 0,55
R-C4 0,575 0,395
France French standard NF T90-395 (2003-10-01). Qualité de l'eau - Détermination de l'indice biologique macrophytique en rivière (IBMR) R-C3 0,93 0,79
R-C4 0,905 0,79
Ireland MTR – IE - Mean Trophic Ranking R-C4 0,74 0,62
Italy IBMR – IT - Biological Macrophyte Index for Rivers R-C1 0,9 0,8
R-C4 0,9 0,8
Luxembourg IBMR – LU - Biological Macrophyte Index for Rivers R-C3 0,89 0,79
R-C4 0,89 0,79
Poland MIR - Macrophyte Index for Rivers R-C1 0,9 0,65
R-C3 0,91 0,684
R-C4 0,9 0,65
United Kingdom LEAFPACS - Ecological Classification of Rivers using Macrophytes R-C1 0,8 0,6
R-C3 0,8 0,6
R-C4 0,8 0,6


Country National classification system intercalibrated Type Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Austria Assessment of the biological quality elements - part Phytobenthos [Leitfaden zur Erhebung der biologischen Qualitätselemente, Teil A3 -Fließgewässer/Phytobenthos] All types, altitude < 500 m 0,7 0,42
All types, altitude > 500 m 0,71 0,43
Belgium (Flanders) Proportions of Impact-Sensitive and Impact-Associated Diatoms (PISIAD) All types 0,8 0,6
Belgium (Wallonia) IPS (Coste, in CEMAGREF, 1982; Lenoir & Coste, 1996 and Arrêté du Gouvernement wallon du 13 septembre 2012 relatif à l’identification, à la caractérisation et à la fixation des seuils d’état écologique applicables aux masses d’eau de surface et modifiant le Livre II du Code de l’Environnement, contenant le Code de l’Eau. Moniteur belge 12.10.2012) All types 0,98 0,73
Estonia Indice de Polluosensibilité Spécifique (IPS) All types 0,85 0,7
France IBD 2007 (Coste et al, Ecol. Ind. 2009). AFNOR NF-T-90-354, December 2007. Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface All types 0,94 0,78
Germany Verfahrensanleitung für die ökologische Bewertung von Fließgewässern zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Diatomeen R-C1 0,67 0,43
R-C3 0,67 0,43
R-C4 0,61 0,43
R-C5 0,73 0,55
Ireland Revised form of Trophic Diatom Index (TDI) All types 0,93 0,78
Italy ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009, Phytobenthos Intercalibration Common Metric (pICM: Kelly et al., 2009) All types 0,84 0,65
Luxembourg Indice de Polluosensibilité Spécifique (IPS) All types 0,9 0,7
Netherlands KRW Maatlat All types 0,8 0,6
Poland Indeks Okrzemkowy IO dla rzek (Diatom Index for rivers) All types 0,8 0,58
Spain Diatom multimetric (MDIAT) R-C2, R-C3, R-C4 0,93 0,7
Sweden Swedish assessment methods, Swedish EPA regulations (NFS 2008:1) based on Indice de Polluosensibilité Spécifique (IPS) All types 0,89 0,74
United Kingdom Diatom Assessment for River Ecological Status (DARLEQ2) All types 1,0 0,75

WATER CATEGORY: Rivers 

Type River characterisation Ecoregion Catchment (km2) Altitude (m) Geology Substrate
R-E1a Carpathians: small to medium, mid-altitude 10 10 – 1 000 500 – 800 mixed 
R-E1b Carpathians: small to medium, mid-altitude 10 10 – 1 000 200 – 500 mixed 
R-E2 Plains: medium-sized, lowland 11 and 12 100 – 1 000 < 200 mixed sand and silt
R-E3 Plains: large, lowland 11 and 12 > 1 000 < 200 mixed sand, silt and gravel
R-E4 Plains: medium-sized, mid-altitude 11 and 12 100 – 1 000 200 – 500 mixed sand and gravel
R-EX4 Large, mid-altitude 10, 11 and 12 > 1 000 200 – 500 mixed gravel and boulder
R-EX5 Plains: small lowland 11 and 12 10 – 100 < 200 mixed sand and silt
R-EX6 Plains: small, mid-altitude 11 and 12 10 - 100 200 - 500 mixed gravel
R-EX7 Balkan: small, calcareous, mid-altitude 5 10-100 200-500 calcareous gravel
R-EX8 Balkan: small to medium-sized, calcareous karst spring 5 10-1 000  calcareous gravel, sand and silt

Countries sharing the types that have been intercalibrated:

Type R-E1aBulgaria, Czech Republic, Romania, SlovakiaType R-E1bBulgaria, Czech Republic, Hungary, Romania, SlovakiaType R-E2Bulgaria, Czech Republic, Hungary, Romania, SlovakiaType R-E3Bulgaria, Czech Republic, Hungary, Romania, SlovakiaType R-E4Austria, Bulgaria, Hungary, Romania, Slovakia, SloveniaType R-EX4Czech Republic, Romania, SlovakiaType R-EX5Bulgaria, Hungary, Romania, Slovenia, SlovakiaType R-EX6Bulgaria, Hungary, Romania, SloveniaType R-EX7SloveniaType R-EX8Bulgaria, Slovenia
 EASTERN CONTINENTAL RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 

Country National classification system intercalibrated Type Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Austria Assessment of the biological quality elements - part benthic invertebrates R-E4 0,8 0,6
Bulgaria Irish biotic index R-E1a, R-E1b 0,86 0,67
Czech Republic Czech system for ecological status assessment of rivers using benthic macroinvertebrates R-E1a, R-E1b, R-E2, R-E3 0,8 0,6
Hungary Hungarian Multimetric Macroinvertebrate Index R-E1b, R-E3, R-E4, R-EX5, R-EX6 0,8 0,6
Romania Assessment method for ecological status of water bodies based on macroinvertebrates R-E1a, R-E1b, R-E3, R-EX4 0,74 0,58
Slovenia Metodologija vrednotenja ekološkega stanja rek z bentoškimi nevretenčarji v Sloveniji R-E4, R-EX5, R-EX6 0,8 0,6
Slovakia Slovak assessment of benthic invertebrates in rivers R-E1a, R-E1b, R-E2, R-E3, R-E4, R-EX4 0,8 0,6


Country National classification system intercalibrated Type Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Austria AIM for Rivers (Austrian Index Macrophytes for rivers) R-E4 0,875 0,625
Bulgaria Reference Index R-E2, R-E3 0,57 0,37
Bulgaria Reference Index R-E4 0,51 0,27
Hungary Reference Index R-E2, R-E3 0,7 0,37
Slovenia River Macrophyte Index R-E2, R-E3, R-E4 0,8 0,6
Slovakia Biological Macrophyte Index for Rivers R-E2, R-E3, R-E4 0,8 0,6


Country National classification system intercalibrated Type Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Austria Assessment of the biological quality elements - part phytobenthos R-E4 0,7 0,42
Bulgaria Ecological status assessment of rivers in Bulgaria based on IPS diatom index R-E1a, R-E1b, R-E3 0,87 (national type R2, R4)0,85 (national type R7, R8) 0,66 (national type R2, R4)0,64 (national type R7, R8)
Czech Republic Assessment system for rivers using phytobenthos R-E1a, R-E1b, R-E2, R-E3, R-EX4 0,8 0,6
Hungary Ecological status assessment for rivers based on diatoms R-E2, R-E3, R-EX5 0,8 0,6
Slovenia Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) R-E4, R-EX5, R-EX6, R-EX7, R-EX8 0,8 0,6
Slovakia Ecological status assessment system for rivers using phytobenthos R-E1a, R-E1b, R-E2, R-E3, R-E4, R-EX4 0,9 0,7

WATER CATEGORY: Rivers 

Type River characterisation Catchment (km2) Geology Flow regime
R-M1 Small mediterranean streams < 100 Mixed (except silicious) Highly seasonal
R-M2 Medium mediterranean streams 100-1 000 Mixed (except silicious) Highly seasonal
R-M4 Mediterranean mountain streams  Non-silicious Highly seasonal
R-M5 Temporaty streams   Temporary

Countries sharing the types that have been intercalibrated:

Type R-M1France, Greece, Italy, Portugal, Slovenia, SpainType R-M2France, Greece, Italy, Portugal, Slovenia, SpainType R-M4Cyprus, France, Greece, Italy, SpainType R-M5Cyprus, Italy, Portugal, Slovenia, Spain
 MEDITERRANEAN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of the national classification systems intercalibrated


Type and country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
R-M1
France Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,94 0,7
Italy MacrOper (based on STAR Intercalibration Common Metric Index ICMi) 0,97 0,72
Portugal Rivers Biological Quality Assessment Method-Benthic Invertebrates (IptIN, IptIS) 0,870 (type 1)0,850 (type 3) 0,678 (type 1)0,686 (type 3)
Slovenia Metodologija vrednotenja ekološkega stanja rek z bentoškimi nevretenčarji v Sloveniji (Ecological status assessment system for rivers using benthic invertebrates in Slovenia) 0,8 0,6
Spain Iberian Biological Monitoring Working Party (IBMWP) 0,845 0,698
Spain Iberian Mediterranean Multimetric Index—using quantitative data (IMMi-T) 0,811 0,707
R-M2
France Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,94 0,7
Italy MacrOper (based on STAR Intercalibration Common Metric Index ICMi) 0,94 0,7
Portugal Rivers Biological Quality Assessment Method-Benthic Invertebrates (IptIN, IptIS) 0,830 (type 2)0,880 (type 4) 0,693 (type 2)0,676 (type 4)
Slovenia Metodologija vrednotenja ekološkega stanja rek z bentoškimi nevretenčarji v Sloveniji (Ecological status assessment system for rivers using benthic invertebrates in Slovenia) 0,8 0,6
Spain Iberian Biological Monitoring Working Party (IBMWP) 0,845 0,698
Spain Iberian Mediterranean Multimetric Index—using quantitative data (IMMi-T) 0,811 0,707
R-M4
France Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,94 0,7
Cyprus STAR Intercalibration Common Metric Index (STAR_ICMi) 0,972 0,729
Italy MacrOper (based on STAR Intercalibration Common Metric Index ICMi) 0,94 0,7
Spain Iberian Biological Monitoring Working Party (IBMWP) 0,84 0,7
Spain Iberian Mediterranean Multimetric Index—using quantitative data (IMMi-T) 0,85 0,694
R-M5
Cyprus STAR Intercalibration Common Metric Index (STAR_ICMi) 0,982 0,737
Italy MacrOper (based on STAR Intercalibration Common Metric Index ICMi) 0,97 0,73
Portugal Rivers Biological Quality Assessment Method-Benthic Invertebrates (IptIN, IptIS) 0,973 (type 5)0,961 (type 6) 0,705 (type 5)0,708 (type 6)
Slovenia Metodologija vrednotenja ekološkega stanja rek z bentoškimi nevretenčarji v Sloveniji (Ecological status assessment system for rivers using benthic invertebrates in Slovenia) 0,8 0,6
Spain Iberian Biological Monitoring Working Party (IBMWP) 0,83 0,63
Spain Iberian Mediterranean Multimetric Index—using quantitative data (IMMi-T) 0,83 0,62

Results: Ecological quality ratios of the national classification systems intercalibrated


Type and country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
R-M1, 2, 4
Cyprus IBMR – Biological Macrophyte Index for Rivers 0,795 0,596
France French standard NF T90-395 (2003-10-01) Qualité de l'eau - Détermination de l'indice biologique macrophytique en rivière (IBMR) 0,93 0,745
Greece IBMR – Biological Macrophyte Index for Rivers 0,75 0,56
Italy IBMR – Biological Macrophyte Index for Rivers 0,9 0,8
Portugal IBMR – Biological Macrophyte Index for Rivers 0,92 0,69
Slovenia RMI – River Macrophyte Index 0,8 0,6
Spain IBMR – Biological Macrophyte Index for Rivers 0,95 0,74

Results: Ecological quality ratios of the national classification systems intercalibrated


Type and country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
R-M1
France IBD 2007 (Coste et al, Ecol. Ind. 2009). AFNOR NF-T-90-354, December 2007. Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,94 0,78
Italy ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009) 0,8 0,61
Portugal IPS (Coste in Cemagref, 1982) 0,970 (type 1)0,910 (type 3) 0,730 (type 1)0,680 (type 3)
Slovenia Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) 0,8 0,6
Spain IPS (Coste in Cemagref, 1982) 0,937 0,727
R-M2
France IBD 2007 (Coste et al, Ecol. Ind. 2009). AFNOR NF-T-90-354, December 2007. Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,94 0,78
Italy ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009) 0,8 0,61
Portugal IPS (Coste in Cemagref, 1982) 0,910 (type 2)0,970 (type 4) 0,680 (type 2)0,730 (type 4)
Slovenia Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) 0,8 0,6
Spain IPS (Coste in Cemagref, 1982) 0,938 0,727
R-M4
Cyprus IPS (Coste in Cemagref, 1982) 0,91 0,683
France IBD 2007 (Coste et al, Ecol. Ind. 2009)AFNOR NF-T-90-354, December 2007Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 0,94 0,78
Italy ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009) 0,8 0,61
Spain IPS (Coste in Cemagref, 1982) 0,935 0,727
R-M5
Cyprus IPS (Coste in Cemagref, 1982) 0,958 0,718
Italy ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009) 0,88 0,65
Portugal IPS (Coste in Cemagref, 1982) 0,94 0,7
Slovenia Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) 0,8 0,6
Spain IPS (Coste in Cemagref, 1982) 0,935 0,7

WATER CATEGORY: Rivers 

Type River characterisation Catchment area (of stretch) Altitude & geomorphology Alkalinity (meq/l) Organic material (mg Pt/l)
R-N1 Small lowland siliceous moderate alkalinity 10-100 km2 < 200 m or below the highest coastline 0,2 - 1 < 30(< 150 in Ireland)
R-N3 Small/medium lowland organic low alkalinity 10-1 000 km2 < 0,2 > 30
R-N4 Medium lowland siliceous moderate alkalinity 100-1 000 km2 0,2 - 1 < 30
R-N5 Small mid-altitude siliceous low alkalinity 10-100 km2 Between lowland and highland < 0,2 < 30

Countries sharing the types that have been intercalibrated:

Type R-N1Finland, Ireland, Norway, Sweden, United KingdomType R-N3Finland, Ireland, Norway, Sweden, United KingdomType R-N4Finland, Norway, Sweden, United KingdomType R-N5Finland, Norway, Sweden, United Kingdom
 NORTHERN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: ecological quality ratios of national classification systems intercalibrated

The following results apply to all types as described above


Country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Finland Multimetric system, first version established 0,8 0,6
Ireland Quality Rating System (Q-value) 0,85 0,75
Norway ASPT 0,99 0,87
Sweden DJ-index (Dahl & Johnson 2004) 0,8 0,6
United Kingdom River Invertebrate Classification Tool (RICT)- WHPT 0,97 0,86
 NORTHERN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: ecological quality ratios of national classification systems intercalibrated

The following results apply to clear, low alkalinity river types


Country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Norway AcidIndex2 (Modified Raddum index2) (river acidification) 0,675 0,515
United Kingdom - Scotland WFD-AWICsp: WFD Acid Water Indicator Community species 0,91 0,83
United Kingdom – England and Wales WFD-AWICsp: WFD Acid Water Indicator Community species 0,98 0,89

Results: ecological quality ratios of national classification systems intercalibrated

The following results apply to humic, low alkalinity river types


Country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Sweden MISA: Multimetric Invertebrate Stream Acidification index 0,55 0,4
United Kingdom WFD-AWICsp: WFD Acid Water Indicator Community species 0,93 0,83

Results: Ecological quality ratios of the national classification systems intercalibrated

The following results apply to all types as described above


Country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Finland Indice de Polluosensibilité Spécifique (IPS) 0,91 0,8
Sweden Indice de Polluosensibilité Spécifique (IPS) 0,89 0,74
Ireland Revised form of Trophic Diatom Index (TDI) 0,93 0,78
United Kingdom DARLEQ 2 1,0 0,75
Norway Periphyton Index of Trophic Status (PIT) 0,99 (Ca ≤ 1 mg/L)0,95 (Ca > 1 mg/L) 0,83

Overview of regional groups that have been established for the river fish intercalibration:

Lowland-Midland groupBelgium (Flanders), Belgium (Wallonia), France, Germany, Netherlands, Lithuania, Luxembourg, UNITED KINGDOM (England and Wales), Poland, Latvia, Estonia, Denmark, HungaryNordic groupFinland, Ireland, Sweden, UNITED KINGDOM (Scotland and Northern Ireland), NorwayAlpine-type Mountains groupAustria, France, Germany, SloveniaMediterranean South Atlantic groupPortugal, Spain, Italy, GreeceDanubian groupCzech Republic, Romania, Slovakia, Bulgaria

Results: Ecological quality ratios of the national classification systems intercalibrated


Country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Belgium Flanders Upstream and Lowland IBI 0,85 0,65
Belgium Wallonia IBIP (Arrêté du Gouvernement wallon du 13 septembre 2012 relatif à l’identification, à la caractérisation et à la fixation des seuils d’état écologique applicables aux masses d’eau de surface et modifiant le Livre II du Code de l’Environnement, contenant le Code de l’Eau. Moniteur belge 12.10.2012) 0,958 0,792
France Classification française DCE Indice Poissons Rivière (IPR). AFNOR NF-T-90-344. Arrêté du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 1,131 0,835
Germany FIBS – fischbasiertes Bewertungssystem für Fließgewässer zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland 1,086 0,592
Luxembourg Classification française DCE Indice Poissons Rivière (IPR). AFNOR NF-T-90-344. Arrêté du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface 1,131 0,835
Netherlands NLFISR 0,8 0,6
Lithuania LZI 0,94 0,72


Country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Finland Finnish Fish Index (FiFi) – type L2 0,665 0,499
Finland Finnish Fish Index (FiFi) – type L3 0,658 0,493
Finland Finnish Fish Index (FiFi) – type M1 0,709 0,532
Finland Finnish Fish Index (FiFi) – type M2 0,734 0,55
Finland Finnish Fish Index (FiFi) – type M3 0,723 0,542
Ireland FCS2 IRELAND 0,845 0,54
Sweden Swedish method VIX 0,739 0,467
United Kingdom – Northern Ireland IR_FCS2 0,845 0,54
United Kingdom –Scotland FCS2 Scotland 0,85 0,6


Country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Portugal F_IBIP 0,85 0,675
Spain IBIMED – type T2 0,816 0,705
Spain IBIMED – type T3 0,929 0,733
Spain IBIMED – type T4 0,864 0,758
Spain IBIMED – type T5 0,866 0,65
Spain IBIMED – type T6 0,916 0,764


Country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Czech Republic Czech multimetric method CZI 0,78 0,585
Romania EFI+ European Fish index (cyprinid_wading type) 0,939 0,7
Romania EFI+ European Fish index (salmonid type) 0,911 0,755
Slovakia Fish Index of SlovakiaFIS 0,71 0,57


Country National classification system intercalibrated Ecological Quality Ratios
High-Good Good-Moderate
Austria FIA 0,875 0,625
France FBI 1,131 0,876
Germany FIBS – fischbasiertes Bewertungssystem für Fließgewässer zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland 1,086 0,592
Slovenia SIFAIR 0,8 0,6

WATER CATEGORY: Rivers 

Type River characterisation Catchment area (of stretch) Alkalinity (meq/l)
R-L1 Very large low alkalinity rivers > 10 000 km2 < 0,5
R-L2 Very large medium to high alkalinity rivers > 10 000 km2 > 0,5

Countries sharing the types that have been intercalibrated:

Type R-L1Finland, Norway, SwedenType R-L2Austria, Belgium (Flanders), Bulgaria, Croatia, Czech Republic, Estonia, France, Germany, Greece, Hungary, Italy, Latvia, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden

Results: ecological quality ratios of national classification systems intercalibrated

The following results apply to low alkalinity very large rivers (type R-L1)


Country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Finland Indice de Polluosensibilité Spécifique (Specific Pollution Sensitivity Index SPI) 0,8 0,6
Sweden Benthic algae in running water - diatom analysis 0,89 0,74

The following results apply to medium to high alkalinity very large rivers (type R-L2)


Country National classification system intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Austria Assessment of the Biological Quality Elements - part phytobenthos 0,85 0,57
Czech Republic Assessment system for rivers using phytobenthos 0,8 0,6
Estonia Estonian surface water ecological quality assessment – river phytobenthos 0,83 0,64
Germany Verfahrensanleitung für die ökologische Bewertung von Fließgewässern zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Diatomeen 0,725 0,545
Hungary Ecological status assessment for rivers based on diatoms 0,762 0,6
Netherlands WFD-metrics for natural water types 0,8 0,6
Slovakia Ecological status assessment system for rivers using phytobenthos 0,9 0,7
Slovenia Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) 0,8 0,6

WATER CATEGORY: Lakes 

Type Lake characterisation Altitude (m above sea level) Mean depth (m) Alkalinity (meq/l) Lake size (km2)
L-AL3 Lowland or mid-altitude, deep, moderate to high alkalinity (alpine influence), large 50 - 800 > 15 > 1 > 0,5
L-AL4 Mid-altitude, shallow, moderate to high alkalinity (alpine influence), large 200 - 800 3 - 15 > 1 > 0,5

Countries sharing types that have been intercalibrated:

Types L-AL3Austria, France, Germany, Italy and SloveniaTypes L-AL4Austria, France, Germany, Italy
 ALPINE LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 

Member State National classification systems intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Austria Evaluation of the biological quality elements, Part B2 – phytoplankton 0,8 0,6
Germany PSI (Phyto-Seen-Index) - Bewertungsverfahren für Seen mittels Phytoplankton zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland 0,8 0,6
Italy Italian Phytoplankton Assessment Method (IPAM) 0,8 0,6
Slovenia Metodologija vrednotenja ekološkega stanja jezer s fitoplanktonom v Sloveniji (Ecological status assessment system for lakes using phytoplankton in Slovenia) 0,8 0,6


Member State National classification systems intercalibrated  Ecological Quality Ratios
High-good boundary Good-moderate boundary
Austria AIM for Lakes (Austrian Index Macrophytes for lakes) L-AL3+L-AL4 0,8 0,6
France IBML (French Macrophyte Index for Lakes) L-AL3+L-AL4 0,92 0,72
Germany PHYLIB for Lakes (German Assessment system for Macrophytes & Phytobenthos for lakes for implementation of the WFD): Module Macrophytes L-AL3+L-AL4 0,76 0,51
Germany PHYLIB for Lakes (German Assessment system for Macrophytes & Phytobenthos for lakes for implementation of the WFD): Modules Macrophytes & Phytobenthos LAL4 0,74 0,47
Italy MacroIMMI (Macrophytic index for the evaluation of the ecological quality of the Italian lakes) L-AL3+L-AL4 0,8 0,6
Slovenia SMILE (Slovenian macrophyte-based index for lake ecosystems) L-AL3 0,8 0,6
 ALPINE LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 

Member State National classification systems intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Slovenia Metodologija vrednotenja ekološkega stanja jezer z bentoškimi nevretenčarji v Sloveniji (Ecological status assessment system for lakes using benthic invertebrates in Slovenia) 0,8 0,6
Germany AESHNA - Bewertungsverfahren für das eulitorale Makrozoobenthos in Seen zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland 0,8 0,6
 ALPINE LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of national classification systems intercalibrated


Member State National classification systems intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Austria ALFI (Austrian lake fish index): A multimetric index to assess the ecological status of alpine lakes based on fish fauna. 0,8 0,6
Germany DELAFI_SITE - Deutsches probennahmestandort-spezifisches Bewertungsverfahren für Fische in Seen zur Umsetzung der EG-Wasserrahmenrichtlinie 0,85 0,69
Italy Lake Fish Index (LFI) 0,82 0,64

WATER CATEGORY: Lakes 

Type Lake characterisation Altitude (m above sea level) Mean depth (m) Alkalinity (meq/l) Residence time (years)
L-CB1 Lowland, shallow, calcareous < 200 3 - 15 > 1 1 - 10
L-CB2 Lowland, very shallow, calcareous < 200 < 3 > 1 0,1 - 1

Countries sharing types that have been intercalibrated:

Types L-CB1Belgium, Germany, Denmark, Estonia, Ireland, Lithuania, Latvia, Netherlands, Poland, United KingdomTypes L-CB2Belgium, Germany, Denmark, Estonia, Ireland, Lithuania, Latvia, Netherlands, Poland, United Kingdom
 CENTRAL / BALTIC LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of national classification systems intercalibrated


 National classification systems intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Belgium (Flanders) Flemish phytoplankton assessment method for lakes 0,8 0,6
Germany PSI (Phyto-See-Index) - Bewertungsverfahren für Seen mittels Phytoplankton zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland - German Phyto-Lake-Index (Phyto-See-Index) 0,8 0,6
Denmark Danish Phytoplankton Index 0,8 0,6
Estonia Estonian surface water ecological quality assessment – lake phytoplankton 0,8 0,6
Ireland IE Lake Phytoplankton Index 0,8 0,6
Netherlands WFD- metrics for natural watertypes 0,8 0,6
Poland Phytoplankton method for Polish Lakes (PMPL) 0,8 0,6
United Kingdom Phytoplankton Lakes Assessment Tool (PLUTO) 0,8 0,6

Results: Ecological quality ratios of national classification systems intercalibrated


Member State National classification systems intercalibrated IC Type Ecological Quality Ratios
High-good boundary Good-moderate boundary
Belgium (Flanders) Flemish macrophyte assessment system All types 0,8 0,6
Denmark Danish Lake Macrophytes Index All types 0,8 0,6
Estonia Estonian surface water ecological quality assessment – lake macrophytes LCB1 0,78 0,52
LCB2 0,76 0,5
Germany Verfahrensanleitung für die ökologische Bewertung von Seen zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Makrophyten All types 0,8 0,6
Lithuania Lithuanian macrophyte assessment method All types 0,75 0,5
Latvia Latvian macrophyte assessment method All types 0,8 0,6
Netherlands WFD-metrics for natural water types All types 0,8 0,6
Poland Macrophyte based indication method for lakes - Ecological Status Macrophyte Index ESMI (multimetric) All types 0,68 0,41
United Kingdom LEAFPACS lake macrophyte classification tool All types 0,8 0,66

 CENTRAL / BALTIC LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of national classification systems intercalibrated


Member State National classification systems intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate
Belgium (Flanders) Multimetric Macroinvertebrate Index Flanders (MMIF) 0,9 0,7
Germany AESHNA - Bewertungsverfahren für das eulitorale Makrozoobenthos in Seen zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland 0,8 0,6
Estonia Estonian surface water ecological quality assessment – lake macroinvertebrates 0,86 0,7
Lithuania Lithuanian Lake Macroinvertebrate Index 0,74 0,5
Netherlands WFDi - Metric for Natural Watertypes 0,8 0,6
United Kingdom Chironomid Pupal Exuvial Technique (CPET) 0,77 0,64
 CENTRAL / BALTIC LAKES GEOGRAPHICAL INTERCALIBRATION GROUP  EASTERN / CONTINENTAL LAKES GEOGRAPHICAL INTERCALIBRATION GROUP  EASTERN CONTINENTAL LAKES GEOGRAPHICAL INTERCALIBRATION GROUP 
Biological Quality Element: Fish fauna

WATER CATEGORY: Lakes 

Type Lake characterization Altitude (m) Annual mean precipitation (mm) and T (°C) Mean depth (m) Area (km2) Catchment (km2) Alkalinity (meq/l)
L-M5/7 Reservoirs, deep, large, siliceous, “wet” areas < 1 000 > 800 and /or < 15 > 15 0,5-50 < 20 000 < 1
L-M8 Reservoirs, deep, large, calcareous < 1 000 — > 15 0,5-50 < 20 000 > 1

Countries sharing types that have been intercalibrated:

Types L-M5/7Greece, France, Italy, Portugal, Romania, SpainTypes L-M8Cyprus, France, Italy, Romania, Spain
 MEDITERRANEAN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good Good-moderate
LM 5/7
Spain Mediterranean Assessment System for Reservoirs Phytoplankton (MASRP). n.d. 0,58
Portugal Reservoirs Biological Quality Assessment Method – Phytoplankton (New Mediterranean Assessment System for Reservoirs Phytoplankton: NMASRP). n.d. 0,6
Italy New Italian Method (NITMET) n.d. 0,6
L-M8
Spain Mediterranean Assessment System for Reservoirs Phytoplankton (MASRP). n.d. 0,6
Cyprus New Mediterranean Assessment System for Reservoirs Phytoplankton (NMASRP). n.d. 0,6
Italy New Italian Method (NITMET) n.d. 0,6

 MEDITERRANEAN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP  MEDITERRANEAN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP 
WATER CATEGORY: Lakes  NORTHERN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 

Type Lake characterisation Altitude (m above sea level) Mean depth (m) Alkalinity (meq/l) Colour (mg Pt/l)
L-N1 Lowland, shallow, moderate alkalinity, clear < 200 3 - 15 0,2 - 1 < 30
L-N2a Lowland, shallow, low alkalinity, clear < 200 3 - 15 < 0,2 < 30
L-N2b Lowland, deep, low alkalinity, clear < 200 > 15 < 0,2 < 30
L-N3a Lowland, shallow, low alkalinity, meso-humic < 200 3 - 15 < 0,2 30 - 90
L-N5 Mid-altitude, shallow, low alkalinity, clear 200-800 3 - 15 < 0,2 < 30
L-N6a Mid-altitude, shallow, low alkalinity, meso-humic 200-800 3 - 15 < 0,2 30 - 90
L-N8a Lowland, shallow, moderate alkalinity, meso-humic < 200 3 - 15 0,2 - 1 30 - 90

Countries sharing types that have been intercalibrated:

Types L-N1, L-N2a, L-N3a, LN-8aIreland, Finland, Norway, Sweden, United Kingdom.Types LN-2bNorway, Sweden, United KingdomTypes LN-5, LN-6aNorway, Sweden

Results: Ecological quality ratios of national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good Good-moderate
Finland Finnish phytoplankton assessment method for lakes 0,8 0,6
Ireland IE Lake Phytoplankton Index 0,8 0,6
Norway Lake phytoplankton ecological status classification method 0,8 0,6
Sweden Ecological assessment methods for lakes. quality factor phytoplankton 0,8 0,6
United Kingdom Phytoplankton Lakes Assessment Tool (PLUTO) 0,8 0,6


Type Lake characterisation Alkalinity (meq/l) Color (mg Pt/l)
L-N-M 101 Low alkalinity, clear 0,05 - 0,2 < 30
L-N-M 102 Low alkalinity, humic 0,05 - 0,2 > 30
L-N-M 201 Moderate alkalinity, clear 0,2 - 1,0 < 30
L-N-M 202 Moderate alkalinity, humic 0,2 - 1,0 > 30
L-N-M 301a High alkalinity, clear, atlantic subtype > 1,0 < 30
L-N-M 302a High alkalinity, humic, atlantic subtype > 1,0 > 30

Countries sharing types that have been intercalibrated:

Types 101, 102, 201 and 202Ireland, Finland, Norway, Sweden, United Kingdom.Type 301aIreland, United Kingdom.Type 302aIreland, United Kingdom

Results: Ecological quality ratios of national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate
Finland Finnish macrophyte classification system (Finnmac) 0,8 (all types) 0,6 (all types)
Ireland Free Macrophyte Index 0,9 (all types) 0,68 (all types)
Norway National macrophyte index (Trophic Index – TIc) Type 101: 0,98Type 102: 0,96Type 201: 0,95Type 202: 0,99 Type 101: 0,87Type 102: 0,87Type 201: 0,75Type 202: 0,77
Sweden Trophic Macrophyte Index (TMI) Type 101: 0,93Type 102: 0,93Type 201: 0,89Type 202: 0,91 Type 101: 0,80Type 102: 0,83Type 201: 0,78Type 202: 0,78
United Kingdom LEAFPACS lake macrophyte classification tool 0,8 (all types) 0,66 (all types)
United Kingdom Free Macrophyte Index 0,9 (all types) 0,68 (all types)


 NORTHERN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 

Type Lake characterisation Ecoregion Altitude(m absl) Alkalinity (meq/l) Colour (mg Pt/l)
Lake littoral acidification
L-N-BF1 Lowland/mid-altitude, low alkalinity, clear n.d. < 800 0,05 - 0,2 < 30
Lake profundal eutrophication
L-N-BF2 Ecoregion 22, low alkalinity, clear and humic 22 Area > 1 km2, max depth > 6 m < 0,2 n.d.

Countries sharing types that have been intercalibrated:

Types L-N-BF1Norway, Sweden, United Kingdom, Ireland, FinlandTypes L-N-BF2Finland, Sweden

Results: Ecological quality ratios of national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good Good-moderate
Lake littoral acidification
Sweden MILA: Multimetric Invertebrate Lake Acidification index 0,85 0,6
United Kingdom LAMM (Lake Acidification Macroinvertebrate Metric) 0,86 0,7
Norway MultiClear: Multimetric Invertebrate Index for Clear Lakes 0,95 0,74
Lake profundal eutrophication
Sweden BQI (Benthic Quality Index) 0,84 0,67
Finland BQI (Benthic Quality Index) 0,75 0,63
 NORTHERN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 

Type Lake characterisation Lake area km2 Alkalinity (meq/l) Colour (mg Pt/l)
L-N-F1 Dimictic clear water lakes < 40 < 0,2 < 30
L-N-F2 Dimictic humic lakes < 5 < 0,2 30-90

Countries sharing types that have been intercalibrated:

Types L-N-F1Ireland, Finland, Norway, Sweden, United KingdomTypes L-N-F2Ireland, Finland, Norway, Sweden, United Kingdom

Results: Ecological quality ratios of national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Finland EQR4 0,8 0,6
Ireland FIL2 0,76 0,53
United Kingdom (Northern Ireland) FIL2 0,76 0,53

WATER CATEGORY: Lakes 

Type Lake characterisation Alkalinity (meq/l) Ecoregions
HA High alkalinity lakes > 1 Central-Baltic, Mediterranean
MA Moderate alkalinity lakes 0,2-1 Central-Baltic, Northern
LA Low alkalinity lakes < 0,2 Northern

Countries sharing types that have been intercalibrated:

Types HABelgium, Germany, Hungary, Ireland, Italy, Poland, Sweden, Slovenia, United KingdomTypes MABelgium, France, Finland, Ireland, Sweden, United KingdomTypes LAFinland, Ireland, Sweden, United Kingdom

Results: Ecological quality ratios of national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
HA type
Belgium (Flanders) Proportions of Impact-Sensitive and Impact-Associated Diatoms (PISIAD) 0,8 0,6
Germany Verfahrensanleitung für die ökologische Bewertung von Seen zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Phytobenthos 0,8 0,55
Hungary MIL- Multimetric Index for Lakes 0,8 0,69
Ireland Lake Trophic Diatom Index (IE) 0,9 0,63
Poland PL IOJ (Multimetryczny Indeks Okrzemkowy dla Jezior = Multimetric Diatom Index for Lakes) 0,91 0,76
Sweden IPS 0,89 0,74
Slovenia Trophic Index (TI) 0,8 0,6
United Kingdom DARLEQ 2 0,92 0,7
MA type
Belgium (Flanders) Proportions of Impact-Sensitive and Impact-Associated Diatoms (PISIAD) 0,8 0,6
Finland IPS 0,8 0,64
Ireland Lake Trophic Diatom Index (IE) 0,9 0,63
Sweden IPS 0,89 0,74
United Kingdom DARLEQ 2 0,93 0,66
LA type
Ireland Lake Trophic Diatom Index (IE) 0,9 0,66
United Kingdom DARLEQ 2 0,92 0,7

WATER CATEGORY: Coastal and transitional 

Type Surface salinityPsu Bottom salinity Exposure Ice days Other Characteristics
BT 1 0-8Oligohaline 0 - 8 Very sheltered — Polish Vistula lagoon and Lithuanian Curonian lagoon.
BC1 0,5 - 6Oligohaline 1 - 6 Exposed 90 - 150 Sites in the Quark and the Bothnian Sea, extending to the Archipelago Sea (for phytoplankton the latter is excluded and integrated in type BC9)Influence of humic substances
BC3 3 - 6Oligohaline 3 - 6 Sheltered 90 - 150 Finnish and Estonian coasts of Gulf of Finland
BC4 5 - 8Lower mesohaline 5 - 8 Sheltered < 90 Sites of Estonia and Latvia in the Gulf of Riga
BC5 6 - 8Lower mesohaline 6 - 12 Exposed < 90 Sites in the southeastern Baltic Sea along the coast of Latvia, Lithuania and Poland
BC6 8 - 12Mid mesohaline 8 -12 Sheltered < 90 Sites along the Western Baltic Sea at the southern Swedish coast and the southeastern Danish coast
BC7 6 - 8Mid mesohaline 8 - 11 Exposed < 90 Western Polish coast and eastern German coast
BC8 13 -18Upper mesohaline 18 -23 Sheltered < 90 Danish and German coasts in the Western Baltic Sea
BC9 3 - 6Lower mesohaline 3 - 6 Moderately exposed to exposed 90 - 150 Sites in the western Gulf of Finland, Archipelago Sea and Asko archipelago (only for phytoplankton)

Countries sharing types that have been intercalibrated:

Type BC1Finland, Sweden.Type BC3Finland, EstoniaType BC4Estonia, LatviaType BC5Lithuania, Latvia, Poland.Type BC6Sweden, Denmark.Type BC7Germany, Poland.Type BC8Germany, Denmark.Type BC9Finland, Sweden, Estonia (type only relevant for phytoplankton)

Type BT1Lithuania, Poland.
 BALTIC SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of the national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
BC1
Finland BBI- Finnish Brackish water Benthic Index 0,96 0,56
Sweden BQI–Swedish multimetric biological quality index (soft sediment infauna) 0,77 0,31
BC3
Estonia ZKI – Estonian coastal water macrozoobenthos community index 0,39 0,24
Finland BBI - Finnish Brackish water Benthic Index 0,94 0,56
BC6
Denmark DKI ver2 - Danish Quality Index version 2 0,84 0,68
Sweden BQI–Swedish multimetric biological quality index (soft sediment infauna) 0,76 0,27
BC8
Denmark DKI ver2 - Danish Quality Index version 2 0,86 0,72
Germany MarBIT - Marine Biotic Index Tool 0,8 0,6
 BALTIC SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of the national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios of the national classification systems
High-good boundary Good-moderate boundary
BC7
Germany German coastal phytoplankton method 0,8 0,6
Poland Polish coastal phytoplankton method 0,8 0,6
BC8
Denmark Danish coastal phytoplankton method 0,8 0,6
Germany German coastal phytoplankton method 0,8 0,6

Results for parameter indicative of biomass (Chlorophyll a): SEE ANNEX II
 BALTIC SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 

Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
BC3
Estonia EPI- Estonian coastal water phytobenthos Index (macroalgae and angiosperms) 0,98 0,86
Finland Fucus depth limit (macroalgae) 0,92 0,79


Type and country Ecological Quality Ratios for the national classification systems Parameter values/rangesDepth limit (m)Eelgrass Zostera marina
High-Good boundary Good-Moderate boundary High-Good boundary Good-Moderate boundary
BC8
Denmark and GermanyOpen coast 0,9 0,74 8,5 7

WATER CATEGORY: Coastal and transitional 

Type Characterisation Salinity (psu)Tidal Range(m)Depth (m) Current Velocity (knots)Exposure MixingResidence Time
Type for opportunistic blooming macroalgae, seagrasses, saltmarshes and benthic invertebrate fauna
NEA1/26 Open oceanic or enclosed seas, exposed or sheltered, euhaline, shallow > 30Mesotidal 1 – 5< 30 Medium 1 – 3Exposed or sheltered Fully mixedDays (to weeks in the Wadden Sea)
Subtypes for intertidal macroalgae
NEA1/26 A2 Open oceanic, exposed or sheltered, euhaline, shallowTemperate waters (mainly, > 13 °C) and high irradiance (mainly, PAR > 29 Mol/m2 day) > 30Mesotidal 1–5< 30 Medium 1 – 3Exposed or sheltered Fully mixed Days
NEA1/26 B21 Open oceanic or enclosed seas, exposed or sheltered, euhaline, shallowCool waters (mainly, < 13 °C) and medium irradiance (mainly, PAR < 29 Mol/m2 day) > 30Mainly mesotidal 1–5< 30 Medium 1 – 3Exposed or sheltered Fully mixedDays
Subtypes for phytoplankton
NEA1/26a Open oceanic, exposed or sheltered, euhaline, shallow > 30Mesotidal 1 – 5< 30 Medium 1 – 3Exposed or sheltered Fully mixedDays
NEA1/26b Enclosed seas, exposed or sheltered, euhaline, shallow > 30Mesotidal 1 – 5< 30 Medium 1 – 3Exposed or sheltered Fully mixedDays
NEA1/26c Enclosed seas, enclosed or sheltered, partly stratified > 30Microtidal/Mesotidal < 1 – 5< 30 Medium 1 – 3Exposed or sheltered Partly stratifiedDays to weeks
NEA1/26d Scandinavian coast, exposed or sheltered, shallow > 30Microtidal < 1< 30 Low < 1Exposed or moderately exposed Partly stratifiedDays to weeks
NEA1/26e Areas of upwelling, exposed or sheltered, euhaline, shallow > 30Mesotidal 1 – 5< 30 Medium 1 – 3Exposed or sheltered Fully mixedDays
Types for phytoplankton, macroalgae, seagrasses, saltmarshes, benthic invertebrate fauna and fish (transitional waters)
NEA3/4 Polyhaline, Exposed or moderately exposed (Wadden Sea type) Polyhaline 18 - 30Mesotidal 1 - 5< 30 Medium 1 - 3Exposed or moderately exposed Fully mixedDays
NEA7 Deep fjordic and sea loch systems > 30Mesotidal 1 -5> 30 Low < 1Sheltered Fully mixedDays
NEA8a Skagerrak Inner Arc Type, polyhaline, microtidal, moderately exposed, shallow Polyhaline 25 - 30Microtidal < 1> 30 Low < 1Moderately exposed Fully mixedDays to weeks
NEA8b Skagerrak Inner Arc Type, polyhaline, microtidal, moderately sheltered, shallow Polyhaline 10 - 30Microtidal < 1< 30 Low < 1Sheltered to moderately exposed Partly stratifiedDays to weeks
NEA9 Fjord with a shallow sill at the mouth with a very deep maximum depth in the central basin with poor deepwater exchange Polyhaline 25 - 30Microtidal < 1> 30 Low < 1Sheltered Partly stratifiedWeeks
NEA10 Skagerrak Outer Arc Type, polyhaline, microtidal, exposed, deep Polyhaline 25 - 30Microtidal < 1> 30 Low < 1Exposed Partly stratifiedDays
NEA11 Transitional Waters Oligohaline 0 - 35Micro to macrotidal< 30 VariableSheltered or moderately exposed Partly permanently stratifiedDays to weeks

Countries sharing the types that have been intercalibrated:

Type NEA1/26 opportunistic blooming macroalgae, seagrasses, saltmarshesBelgium, France, Germany, Ireland, Netherlands, Portugal, Spain, United KingdomType NEA1/26 A2 intertidal macroalgaeFrance, Spain, PortugalType NEA1/26 B21 intertidal macroalgaeFrance, Ireland, Norway, United KingdomType NEA1/26a phytoplanktonSpain, France, Ireland, Norway, United KingdomType NEA1/26b phytoplanktonBelgium, France, Netherlands, United KingdomType NEA1/26c phytoplanktonGermany, DenmarkType NEA1/26d phytoplanktonDenmarkType NEA1/26e phytoplanktonPortugal, SpainType NEA3/4Germany, NetherlandsType NEA7Norway, United KingdomType NEA8aNorway, SwedenType NEA8bDenmark, SwedenType NEA9Norway, SwedenType NEA10Norway, Sweden

Type NEA11Belgium, Germany, Spain, France, Ireland, Netherlands, Portugal, United Kingdom
 NORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of the national classification systems intercalibrated

The results are applicable to soft sediment habitats only (subtidal mud/sand habitats).


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Type NEA8b
Denmark DKI 0,84 0,68
Sweden BQI 0,71 0,54
Types NEA8a/9/10
Norway NQI 0,82 0,63
Sweden BQI 0,71 0,54

Results for coastal waters, Types NEA 1/26 AND NEA7: SEE ANNEX II
 NORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Phytoplankton: parameter indicative of biomass parameter (Chlorophyll a)

Results: Ecological quality ratios and parameter values

Parameter values are expressed in μg/l as the 90 %ile value calculated over the defined growing season in a six year period. The results relate to geographic areas within the types as described in the technical report.


Member State Ecological Quality Ratios Values (μg/l, 90 %ile)
High-good Good-moderate High-good Good-moderate
NEA1/26c    
Denmark 0,67 0,44 5 7,5
Germany 0,67 0,44 5 7,5

Results for coastal waters, Types NEA 1/26a, NEA 1/26b, NEA1/26e, NEA 3/4, NEA9, NEA10: SEE ANNEX II
 NORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Macroalgae - parameter intertidal or subtidal macroalgae rocky bottom


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Type NEA1/26 A2 intertidal macroalgae
France CCO - Cover, Characteristic species, Opportunistic species on intertidal rocky bottoms 0,8 0,6
Portugal PMarMAT - Marine Macroalgae Assessment Tool 0,8 0,61
Spain CFR – Quality of Rocky Bottoms 0,81 0,6
Spain RICQI - Rocky Intertidal Community Quality Index 0,82 0,6
Spain RSL - Reduced Species List 0,75 0,48
Type NEA1/26 B21 intertidal macroalgae
Ireland RSL - Rocky Shore Reduced Species List 0,8 0,6
Norway RSLA - Rocky Shore Reduced Species List 0,8 0,6
United Kingdom RSL - Rocky Shore Reduced Species List 0,8 0,6
Type NEA7 intertidal macroalgae
Norway RSLA - Rocky Shore Reduced Species List with Abundance 0,8 0,6
United Kingdom RSL - Rocky Shore Reduced Species List 0,8 0,6
Type NEA8a/9/10 subtidal macroalgae
Norway MSMDI – Multi Species Maximum Depth Index 0,8 0,6
Sweden MSMDI – Multi Species Maximum Depth Index 0,8 0,6

Results for Macroalgae – parameter intertidal blooming macroalgae Type NEA1/26: SEE ANNEX II

Results for Macroalgae – parameter intertidal blooming macroalgae - NEA11: SEE ANNEX II

Results: Angiosperms - subBQE indicative of seagrasses

Results: Ecological quality ratios of the national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Type NEA3/4
Germany SG - Bewertungssystem für Makroalgen und Seegräser der Küsten- und Übergangsgewässer zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland 0,8 0,6
Netherlands Monitoring beds of SG per waterbody using arial photographs, ground truth and specifyting surface & density per species 0,8 0,6

Results for Angiosperms (subBQE indicative of seagrasses) Type 1/26: SEE ANNEX II

Results for Angiosperms (subBQE indicative of seagrasses) NEA11: SEE ANNEX II
 NORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of the national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Belgium EBI – Zeeschelde Estuarine Biotic Index 0,85 0,615
France ELFI – Estuarine and Lagoon Fish Index 0,91 0,675
Germany FAT – TW - Fischbasiertes Bewertungswerkzeug für Übergangsgewässer der norddeutschen Ästuare 0,84 0,62
Ireland TFCI – Transitional Fish Classification Index 0,81 0,58
Netherlands FAT – TW – WFD Fish index for transitional waters, type O2 0,8 0,6
Portugal EFAI – Estuarine Fish Assessment Index 0,865 0,7
Spain AFI – AZTI’s Fish Index 0,78 0,55
Spain TFCI – Transitional Fish Classification Index 0,9 0,65
United Kingdom (Northern Ireland) TFCI – Transitional Fish Classification Index 0,81 0,58

WATER CATEGORY: Coastal and transitional 
Typology with regional common intercalibration types has been defined for phytoplankton only (see below).

For benthic invertebrate fauna, macroalgae and seagrasses the intercalibration results apply to the entire Mediterranean Sea covered by the Member States.
 MEDITERRANEAN GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of national classification systems

The following results apply to soft sediments only


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Methods including diversity parameter
Italy M-AMBI 0,81 0,61
Slovenia M-AMBI 0,83 0,62
Methods not including diversity parameter
Cyprus Bentix 0,75 0,58
France AMBI 0,83 0,58
Greece Bentix 0,75 0,58
Spain BOPA 0,95 0,54
Spain MEDOCC 0,73 0,47
 MEDITERRANEAN SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 

Type Description Density (kg/m3) Annual mean salinity (psu)
Type I Highly influenced by freshwater input < 25 < 34,5
Type IIA,IIA Adriatic Moderately influenced by freshwater input (continent influence) 25-27 34,5-37,5
Type IIIW Continental coast, not influenced by freshwater input (Western Basin). > 27 > 37,5
Type IIIE Not influenced by freshwater input (Eastern Basin) > 27 > 37,5
Type Island-W Island coast (Western Basin) All range All range

Countries sharing the types that have been intercalibrated:

Type IFrance, ItalyType IIAFrance, Spain, ItalyType IIA AdriaticItaly, SloveniaType Island-WFrance, Spain, ItalyType IIIWFrance, Spain, ItalyType IIIEGreece, Cyprus

Results for parameter indicative of biomass (Chlorophyll a): SEE ANNEX II
 MEDITERRANEAN SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of national classification systems intercalibrated

The following results apply to the upper infralittoral zone (3,5 – 0,2 m depth) in rocky coasts:


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Cyprus EEI-c - Ecological Evaluation Index 0,76 0,48
France CARLIT - Cartography of Littoral and upper-sublittoral rocky-shore communities 0,75 0,6
Greece EEI-c - Ecological Evaluation Index 0,76 0,48
Italy CARLIT - Cartography of Littoral and upper-sublittoral rocky-shore communities 0,75 0,6
Slovenia EEI-c - Ecological Evaluation Index 0,76 0,48
Spain CARLIT - Cartography of Littoral and upper-sublittoral rocky-shore communities 0,75 0,6

Results: Ecological quality ratios of national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
Cyprus PREI - Posidonia oceanica Rapid Easy Index 0,775 0,55
France PREI - Posidonia oceanica Rapid Easy Index 0,775 0,55
Italy PREI - Posidonia oceanica Rapid Easy Index 0,775 0,55
Spain POMI - Posidonia oceanica Multivariate Index 0,775 0,55
Spain Valencian-CS 0,775 0,55

Results: Ecological quality ratios of national classification systems intercalibrated


Member State National classification methods intercalibrated Ecological Quality Ratios
High-good boundary Good-moderate boundary
France Exclame 0,8 0,6
Greece EEI-c - Ecological Evaluation Index 0,7 0,4
Italy MaQI – Macrophyte Quality Index 0,8 0,6

WATER CATEGORY: Coastal and transitional 

Type Description
CW-BL1 Coastal watersMesohaline, microtidal (< 1 m), shallow (< 30 m), moderately exposed, mixed substratum

Countries sharing the types that have been intercalibrated:

Bulgaria and Romania
 BLACK SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of the national classification systems intercalibrated


Country National classification systems intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Bulgaria IBI 0,8 0,63
Romania IBI 0,8 0,63

ANNEX II
WATER CATEGORY: Coastal and transitional  BALTIC SEA GEOPGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results for parameter indicative of biomass (Chlorophyll a): Ecological quality ratios and parameter values

The following results refer to summer mean May/June – September


Member State Ecological Quality Ratios for the national classification systems Parameter values / rangesChlorophyll-a (μg/l)
High-good boundary Good-moderate boundary High-good boundary Good-moderate boundary
BC1
Finland 0,76 0,59 1,7 2,2
Sweden 0,87 0,65 1,5 2,0
BC9
Estonia 0,82 0,67 2,2 2,7
Finland 0,79 0,65 1,9 2,3
Sweden 0,8 0,67 1,5 1,8

WATER CATEGORY: Coastal and transitional  NORTHEAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Results: Ecological quality ratios of the national classification systems intercalibrated

The results are applicable to soft sediment habitats only (subtidal mud/sand habitats).


Country National classification systems intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Types NEA1/26 and NEA 7 (Indices responsive primarily to organic enrichment and toxic pollution pressures in soft sediment habitats)
Denmark DKI 0,67 0,53
France M-AMBI 0,77 0,53
Germany M-AMBI 0,85 0,7
Ireland IQI 0,75 0,64
Netherlands BEQI2 0,78 0,58
Norway NQI 0,92 0,81
Portugal P-BAT 0,79 0,58
Spain M-AMBI 0,77 0,53
Spain BO2A 0,78 0,44
United Kingdom IQI 0,75 0,64
Types NEA1/26 (Index responsive to multiple pressures in multiple habitats)
Belgium BEQI 0,8 0,6
 NORTHEAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS  Coastal waters 
Results: Ecological quality ratios and parameter values

Parameter values are expressed in μg/l as the 90 %ile value calculated over the defined growing season in a six year period. The results relate to geographic areas within the types as described in the technical report.


Type Ecological Quality Ratios Values (μg/l, 90 %ile)
High-Good Good-Moderate High-Good Good-Moderate
NEA 1/26a
France 0,67 0,33 5 10
Ireland 0,67 0,33 5 10
Norway 0,67 0,33 2,5 5
Spain South 0,67 0,33 5 10
Spain North East Cantabrian 0,67 0,33 1,5 3
Spain North Central Cantabrian 0,67 0,33 3 6
United Kingdom 0,67 0,33 5 10
NEA1/26b
Belgium 0,67 0,44 10 15
France 0,67 0,44 10 15
Netherlands 0,67 0,44 10 15
United Kingdom 0,67 0,44 10 15
NEA3/4
Germany 0,66 0,44 7-10 11-15
Netherlands 0,66 0,44 10-14 15-21
NEA1/26e
Portugal 0,67 0,44 6 – 8 9 – 12
Spain 0,67 0,44 6 – 8 9 – 12
NEA9
Norway 0,67 0,33 2,5 5
Sweden 0,67 0,33 2,5 5
NEA10
Norway 0,67 0,33 3 6
Sweden 0,67 0,33 3 6
 NORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS 
Macroalgae: parameter intertidal blooming macroalgae soft bottom, indicative of abundance

Results: Ecological quality ratios of national parameter intercalibrated


Country National classification systems intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Type NEA1/26
Germany Bewertungssystem für opportunistische Makroalgen auf eulitoralen Weichböden der Küstengewässer 0,8 0,6
Ireland OGA Tool - Opportunistic Green Macroalgal Abundance 0,8 0,6
United Kingdom Opportunistic Macroalgae Blooming Tool OMBT 0,8 0,6


Country National classification systems intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Type NEA11
Ireland OGA Tool - Opportunistic Green Macroalgal Abundance 0,8 0,6
Portugal BMI – Blooming Macroalgal Index (Assessment of blooming macroalgae) 0,8 0,6
United Kingdom Opportunistic Macroalgae Blooming Tool OMBT 0,8 0,6

Results: Angiosperms – sub-BQE indicative of Macroalgae and Angiosperms

Results: Ecological quality ratios of the national classification systems intercalibrated


Country National classification systems intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Type NEA1/26
France SBQ – Seagrass beds quality in coastal and transitional water bodies 0,8 0,6
Germany SG - Bewertungssystem für Makroalgen und Seegräser der Küsten- und Übergangsgewässer zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland 0,8 0,6
Ireland Intertidal Seagrass Abundance and Species Composition 0,8 0,63

Results: Ecological quality ratios of the national classification systems intercalibrated


Type and country National parameter intercalibrated Ecological Quality Ratios
High-Good boundary Good-Moderate boundary
Type NEA11
France SBQ – Seagrass beds quality in coastal and transitional water bodies 0,8 0,6
Germany SG - Bewertungssystem für Makroalgen und Seegräser der Küsten- und Übergangsgewässer zur Umsetzung der EG-Wasserrahmen-richtlinie in Deutschland 0,8 0,6
Ireland Intertidal Seagrass Abundance and Species Composition 0,83 0,7
Netherlands Monitoring beds of SG per waterbody using arial photographs, ground truth and specifying surface & density per species 0,8 0,6
Portugal SQI – Seagrass quality index for intertidal TW 0,8 0,6

WATER CATEGORY: Coastal and transitional  Biological Quality Element: Phytoplankton 
Results: Ecological quality ratios and parameter values

Parameter values are expressed in μg/l of Chlorophyll a, for the 90th percentile calculated over the year in at least a five year period. The results relate to geographic areas within the types as described in the technical report.


Type Ecological Quality Ratios Values (μg/l, 90 %ile)
High-Good Good-Moderate High-Good Good-Moderate
Type II-A
France 0,8 0,53 2,38 3,58
Spain 0,8 0,53 2,38 3,58
Italy (Tyrrhenian) 0,76 0,59 1,06 2,19
Type II-A Adriatic
Italy 0,75 0,58 1,58 3,81
Slovenia 0,75 0,58 1,58 3,81
Type Island - W
France 0,8 0,5 0,75 1,2
Spain 0,8 0,5 0,75 1,2
Type III-W
France 0,8 0,5 1,13 1,8
Spain 0,8 0,5 1,13 1,8
Type III-E
Cyprus 0,8 0,2 0,1 0,4
Greece 0,8 0,2 0,1 0,4
