Table 1 Environmental parameters, Shannon-Wiener index, dominant species' relative abundance and copy number of DNA and RNA in the Dongzhen Reservoir

16.17 ± 0.01^a

25.04 ± 1.22^b

16.87 ± 0.37^a

14.18 ± 0.22^c

8.23 ± 0.07^a

6.16 ± 1.41^a

2.26 ± 2.04^b

2.82 ± 1.07^b

7.46 ± 0.02^a

7.75 ± 0.58^a

6.64 ± 0.14^ab

6.34 ± 0.10^b

3.24 ± 0.15^a

2.39 ± 0.78^a

0.73 ± 0.27^b

0.82 ± 0.14^b

3.68 ± 0.17^a

2.86 ± 0.53^a

3.14 ± 1.10^a

4.38 ± 1.17^a

0.10 ± 0.02^a

0.18 ± 0.04^a

0.13 ± 0.11^a

0.20 ± 0.08^a

1.42 ± 0.06^a

1.15 ± 0.14^a

1.28 ± 0.18^a

1.34 ± 0.10^a

0.042 ± 0.008^a

0.038 ± 0.004^ab

0.026 ± 0.007^ab

0.025 ± 0.004^b

0.002 ± 0.001^a

0.009 ± 0.004^a

0.014 ± 0.011^a

0.011 ± 0.005^a

100.70 ± 116.94^ab

79.46 ± 16.66^a

120.99 ± 37.32^ab

165.62 ± 29.89^b

4.00 ± 0.06^ab

3.77 ± 0.13^a

4.16 ± 0.04^b

4.18 ± 0.09^b

0.706 ± 0.012^a

0.625 ± 0.017^b

0.629 ± 0.015^b

0.589 ± 0.020^b

0.139 ± 0.006^a

0.183 ± 0.023^a

0.204 ± 0.036^a

0.216 ± 0.014^a

0.075 ± 0.004^a

0.045 ± 0.025^ab

0.033 ± 0.020^ab

0.052 ± 0.020^b

0.038 ± 0.001^a

0.039 ± 0.008^a

0.052 ± 0.006^ab

0.059 ± 0.006^b

(1.14 ± 0.14) × 10^10a

(7.92 ± 1.60) × 10^10b

(1.06 ± 0.14) × 10^11c

(4.45 ± 0.51) × 10^10b

(6.58 ± 0.16) × 10^11a

(3.89 ± 0.72) × 10^11b

(2.80 ± 0.60) × 10^11b

(8.36 ± 1.36) × 10^11c

6.31 ± 1.70^a

10.59 ± 2.85^a

3.01 ± 0.64^a

23.17 ± 3.28^b