Proportion of selected 4.2 species at the top of food S 4.2.1 Proportion of large fish S webs Abundance/distribution of Abundance trends of selected 4.3 S 4.3.1 S key trophic groups/species groups/spp. 5.1.1 Nutrient concentration P 5.1 Nutrient levels P 5.1.2 Nutrient ratios P 5.2.1 Chlorophyll concentration I Water transparency related to 5.2.2 I algae 5: Direct effects of nutrient 5.2 I Abundance of opportunistic enrichment 5.2.3 I macroalgae Species shift in floristic 5.2.4 I Descriptor composition Eutrophication Abundance of perennial 5.3.1 I Indirect effects of nutrient seaweed 5.3 I enrichment 5.3.2 Dissolved oxygen I Type, abundance, extent of 6.1.1 I Physical damage, having biogenic substrate 6.1 regard to substrate P Extent of seabed affected by characteristics 6.1.2 I activities Presence of sensitive and/or 6: 6.2.1 S/I tolerant spp. integrity Multi-metric indexes for 6.2.2 S/I benthic communities Condition of benthic Descriptor 6.2 S/I Proportion of community Sea-floor 6.2.3 biomass/numbers in the S/I macrobenthos Benthic community size 6.2.4 S/I parameters Spatial characterisation of 7.1 P 7.1.1 Extent of area affected P permanent alterations 7: 7.2.1 Extent of habitats affected I Impact of permanent 7.2 I hydrographical changes Changes in habitats, in conditions Descriptor 7.2.2 I Hydrographical particular functions provided Concentration of 8.1 P 8.1.1 Concentration of contaminants P contaminants 8: 8.2.1 Level of pollution effects I 8.2 Effects of contaminants I Occurrence, origin & extent of Contaminants Descescriptor 8.2.2 acute pollution and impact on P/I biota Levels of contaminants, Levels, number and in 9.1 9.1.1 number exceeding regulatory P/I P 9: frequency of contaminants levels seafood Descriptor
4.2 Proportion of selected species at the top of food webs S 4.2.1 Proportion of large fish S 4.3 Abundance/distribution of key trophic groups/species S 4.3.1 Abundance trends of selected groups/spp. S Descriptor 5: Eutrophication 5.1 Nutrient levels P 5.1.1 Nutrient concentration P 5.1.2 Nutrient ratios P 5.2 Direct effects of nutrient enrichment I 5.2.1 Chlorophyll concentration I 5.2.2 Water transparency related to algae I 5.2.3 Abundance of opportunistic macroalgae I 5.2.4 Species shift in floristic composition I 5.3 Indirect effects of nutrient enrichment I 5.3.1 Abundance of perennial seaweed I 5.3.2 Dissolved oxygen I Descriptor 6: Sea-floor integrity 6.1 Physical damage, having regard to substrate characteristics P 6.1.1 Type, abundance, extent of biogenic substrate I 6.1.2 Extent of seabed affected by activities I 6.2 Condition of benthic community S/I 6.2.1 Presence of sensitive and/or tolerant spp. S/I 6.2.2 Multi-metric indexes for benthic communities S/I 6.2.3 Proportion of biomass/numbers in the macrobenthos S/I 6.2.4 Benthic community size parameters S/I Descriptor 7: Hydrographical conditions 7.1 Spatial characterisation of permanent alterations P 7.1.1 Extent of area affected P 7.2 Impact of permanent hydrographical changes I 7.2.1 Extent of habitats affected I 7.2.2 Changes in habitats, in particular functions provided I Descescriptor 8: Contaminants 8.1 Concentration of contaminants P 8.1.1 Concentration of contaminants P 8.2 Effects of contaminants I 8.2.1 Level of pollution effects I 8.2.2 Occurrence, origin & extent of acute pollution and impact on biota P/I Descriptor 9: in seafood 9.1 Levels, number and frequency of contaminants P 9.1.1 Levels of contaminants, number exceeding regulatory levels P/I
st10143-ad02.en15_.docx