Table 8 Summary results of meta-analyses using subsets of fish abundance effect sizes for testing the influence of the given moderator variable related to our secondary research questions

(A)

 Unmoderated model

38

32.10 (p = 0.698)

–

–

 Intervention type

38

–

6.74 (p = 0.098)*

25.37 (p = 0.826)

(B)

 Unmoderated model

13

8.25 (p = 0.766)

–

–

 Intervention type

13

–

1.07 (p = 0.586)

7.18 (p = 0.709)

(C)

 Unmoderated model

39

32.75 (p = 0.711)

–

–

 Ecosystem type

39

–

0.33 (p = 0.568)

32.30 (p = 0.689)

(D)

 Unmoderated model

38

30.99 (p = 0.746)

–

–

 Life stage

38

–

5.43 (p = 0.020)

25.56 (p = 0.902)

(E)

 Unmoderated model

30

24.55 (p = 0.701)

–

–

 Time since intervention

30

–

0.003 (p = 0.957)

24.54 (p = 0.653)