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

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dc.contributor.authorRead, J. Leighton
dc.contributor.authorFagan, Matthew E.
dc.contributor.authorZahawi, Rakan A.
dc.date.accessioned2018-06-05T20:27:22Z
dc.date.available2018-06-05T20:27:22Z
dc.date.issued2018
dc.description.abstractSeveral recent meta-analyses have aimed to determine whether natural regeneration is more effective at recovering tropical forests than active restoration (for example, tree planting). We reviewed this literature and found that comparisons between strategies are biased by positive site selection. Studies of natural forest regeneration are generally conducted at sites where a secondary forest was already present, whereas tree planting studies are done in a broad range of site conditions, including non-forested sites that may not have regenerated in the ab-sence of planting. Thus, a level of success in forest regeneration is guaranteed for many studies representing natural regeneration, but not for those representing active restoration. The complexity of optimizing forest restoration is best addressed by paired experimentation at the same site, replicated across landscapes. Studies that have taken this approach reach different conclusions than those arising from meta-analyses; the results of paired experimental comparisons emphasize that natural regeneration is a highly variable process and that active restoration and natural regeneration are complementary strategies.en_US
dc.description.urihttp://advances.sciencemag.org/content/4/5/eaas9143/tab-pdfen_US
dc.format.extent4 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/M2SJ19V0M
dc.identifier.citationPositive site selection bias in meta-analyses comparing natural regeneration to active forest restoration BY J. LEIGHTON REID, MATTHEW E. FAGAN, RAKAN A. ZAHAWI SCIENCE ADVANCES16 MAY 2018 : EAAS9143en_US
dc.identifier.uri10.1126/sciadv.aas9143
dc.identifier.urihttp://hdl.handle.net/11603/10904
dc.language.isoen_USen_US
dc.publisherAAASen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Geography and Environmental Systems Department Collection
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis item may be protected under Title 17 of the U.S. Copyright Law. It is made available by UMBC for non-commercial research and education. For permission to publish or reproduce, please contact the author.
dc.rightsAttribution-NonCommercial 4.0 International (CC BY-NC 4.0)*
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectnatural forest regenerationen_US
dc.subjectactive forest regenerationen_US
dc.subjectcomparison of forest regeneration methodsen_US
dc.titlePositive site selection bias in meta-analyses comparing natural regeneration to active forest restorationen_US
dc.typeTexten_US

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