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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