Table 3 Seasonal changes in the number of species, abundance, biomass of the macrofauna in Jiaozhou Bay

Winter

The number of species

38

28

22

11

0

Abundance (ind. m⁻²)

481.79

448.93

162.86

104.64

0

Biomass (g m⁻²)

5.15

3.89

154.91

0.65

0

Spring

The number of species

58

45

24

11

2

Abundance (ind. m⁻²)

1159.64

528.57

469.29

137.50

1.43

Biomass (g m⁻²)

16.31

4.24

464.81

2.08

0.00

Summer

The number of species

51

58

41

10

1

Abundance (ind. m⁻²)

1323.21

610.71

560.00

211.07

3.21

Biomass (g m⁻²)

16.32

6.16

546.98

0.70

1.93

Autumn

The number of species

53

40

36

11

3

Abundance (ind. m⁻²)

1459.64

741.07

622.86

456.79

7.86

Biomass (g m⁻²)

17.01

8.92

728.85

1.00

0.24