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Table 2 Proportion of individuals of the 10 most numerically abundant macroinvertebrate taxa within the 27 main tributaries of TGRC

From: Temporal variations in macroinvertebrate communities from the tributaries in the Three Gorges Reservoir Catchment, China

Taxon % of total individuals
Spring Summer Autumn Winter Total
Chironomidae 24.55 21.22 16.40 17.29 19.80
Heptageniidae 17.29 14.37 22.05 15.56 17.24
Baetidae 16.36 12.05 31.52 23.26 20.77
Caenidae 6.17 4.08    3.23
Lymnaeidae 3.97     2.84
Tubificidae 3.67 9.10   2.51 4.18
Ephemeridae 2.59 4.92    
Leptophlebiidae 2.58 2.87 2.36   2.54
Corbiculidae 2.22 2.68 2.71 2.66 2.57
Tipulidae 1.90 2.83   3.86  
Hydropsychidae   5.00 4.80 5.68 4.23
Elmidae    1.86   
Viviparidae    1.80 5.75 2.73
Potamanthidae    1.58   
Mytilidae     3.11  
Ephemerellidae     2.58