Comment on "Positive site selection bias in meta-analyses comparing natural regeneration to active forest restoration"

Abstract

We agree with Reid et al. (Reviews, 4 May 2018, eaas9143), there may be positive site selection bias for natural regeneration in previous meta-analyses comparing tropical forest restoration outcomes within natural regeneration and active restoration sites. However, we also expect positive bias for active restoration sites. Further, we strongly disagree that such bias invalidates conclusions derived from properly controlled meta-analyses. Show more