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Table 2 Assessment criteria for the Z. marina beds

From: Bay-scale assessment of eelgrass beds using sidescan and video

Score Cover Quality
1 Continuous bed Green, luxurious eelgrass with very little or no epiphyte load (epigrazers common)
2 Continuous bed with bare patches Green leaves with medium to high density epiphyte load, leaves not pulled down by this load
3 Patches or clumps of leaves, no continuous bed Epiphyte cover so high that no leaf surface is visible (bent over stunted/fragmented leaves covered in algal material) OR majority of leaf surface is black or brown OR eelgrass remnants with the presence of benthic algal mats
4 No live eelgrass No live eelgrass or eelgrass remnants