Days of fishe nest in water

4

8

12

16

20

24

28

32

36

40

44

48

Total

Number of sample (eggs)

Lukou

0

22

4408

16,833

7810

649

308

210

133

55

9

4

30,441

Hengyang

0

30

9040

11,509

5611

255

260

586

241

217

7

4

27,760

Total

58,201

Average density (eggs/m²)

Lukou

0

92

18367

70,138

32,542

2704

1283

875

554

229

38

17

126,838

Hengyang

0

125

37667

47,954

23,379

1063

1083

2442

1004

904

29

17

115,667

Increase the quantity of fishery resources (10⁴ eggs)

Lukou

0

39

7714

29,458

13,668

1136

539

368

233

96

16

7

53,272

Hengyang

0

70

21,093

26,854

13,092

595

607

1367

562

506

16

9

64,773