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Table 2 Summary of the weighted simple random-effects regression models for each of the four moderator variables on fish assemblage density effect size

From: Evaluating the biological effectiveness of fully and partially protected marine areas

All MPA case-studies included

Moderator variable

N oMPAs

Slope [95% CI]

Q M, p-val

MPA age (year)

21

−0.001 [−0.03 → 0.03]

QM = 0.007, p = 0.94

Log10 (size) (km2)

21

−0.002 [−0.24 → 0.23]

QM = 0.0004, p = 0.98

Log10(census area) (m2)

19

−0.005 [−0.31 → 0.30]

QM = 0.001, p = 0.97

Min. Distance (km)

19

0.28 [0.18 → 0.37]

QM = 31.59, p < 0.0001

Sensitivity analysis; habitat confounded studies excluded

Min. Distance (km)

15

−0.23 [−0.65 → 0.19]

QM = 1.17, p = 0.28

  1. Data under sensitivity analysis is given only for the moderator variable which showed a considerably different result from when all studies were included.