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Woodview Marsh <br />Table 22-2: Woodview Marsh macroinvertebrate metric scores/values and total score. <br />Macroinvertebrate Metrics <br />2007 <br />2013 <br />value <br />score <br />value <br />score <br />1 Total invertebrate taxa <br />55 <br />5 <br />39 <br />3 <br />2 Odonata taxa <br />4 <br />3 <br />0 <br />1 <br />3 Chironomid genera <br />13 <br />3 <br />17 <br />5 <br />4 Leech taxa <br />6 <br />5 <br />3 <br />3 <br />5 Snail taxa <br />3 <br />1 <br />2 <br />1 <br />ETSD metric: # genera mayflies, caddisflies, <br />6 presence of fingernail clams, dragonflies <br />5 <br />3 <br />2 <br />1 <br />7 Number of intolerant taxa <br />1 <br />1 <br />2 <br />1 <br />8 Tolerant taxa proportion of sample counts <br />74.9% <br />1 <br />69.8% <br />1 <br />9 Dominate 3 taxa as proportion of sample counts <br />79.4% <br />1 <br />73.0% <br />10 Corixidae proportion of beetles and bugs in ATb <br />1.5% <br />5 <br />61.3% <br />j <br />Total Macroinvertebrate IBI Score <br />28 <br />a Metric calculated from dip -net samples only. <br />b Metric calculated from activity trap samples only. <br />2007 - 2014 CRWD Wetland Monitoring Report 126 <br />