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Table 13 Summary of the simple regression models for each of the three moderator variables on target species density

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

Moderator variable

N oMPAs

Slope [95% CI]

Q M, p-val

MPA age (year)

18

0.03 [−0.02 → 0.09]

QM = 1.29, p = 0.26

Size ratio (NTR:PPA)

13

−0.11 [−0.9 → 0.69]

QM = 0.07, p = 0.79

# species combined

18

−0.04 [−0.14 → 0.07]

QM = 0.51, p = 0.47

Sensitivity analysis; habitat confounded studies excluded

Size ratio (NTR:PPA)

11

−2.33 [−5.12 → 0.45]

QM = 2.70, p = 0.1

  1. Effect sizes are weighted by the variance of the mean of several correlated variables calculated for correlation coefficients of rho = 0.5. Data under sensitivity analysis is given only for the moderator variable which showed considerable different result from when all studies were included.