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Pseudoreplication in Tropical Forests and the Resulting Effects on Biodiversity Conservation
Benjamin S. Ramage*; Douglas Sheil; Hannah M.W. Salim; Christine Fletcher; Nur-Zati A. Mustafa; Joann C. Luruthusamay; Rhett D. Harrison; Elizabeth Butod; Ahmad Dzamir Dzulkiply; Abd Rahman Kassim; Matthew D. Potts
2013
Source PublicationConservation Biology
Volume27Issue:2Pages:364-372
Abstract

Tropical forest ecosystems are threatened by habitat conversion and other anthropogenic actions. Timber production forests can augment the conservation value of primary forest reserves, but studies of logging effects often yield contradictory findings and thus inhibit efforts to develop clear conservation strategies. We hypothesized that much of this variability reflects a common methodological flaw, simple pseudoreplication, that confounds logging effects with preexisting spatial variation. We reviewed recent studies of the effects of logging on biodiversity in tropical forests (n = 77) and found that 68% were definitively pseudoreplicated while only 7% were definitively free of pseudoreplication. The remaining proportion could not be clearly categorized. In addition, we collected compositional data on 7 taxa in 24 primary forest research plots and systematically analyzed subsets of these plots to calculate the probability that a pseudoreplicated comparison would incorrectly identify a treatment effect. Rates of false inference (i.e., the spurious detection of a treatment effect) were >0.5 for 2 taxa, 0.3–0.5 for 2 taxa, and <0.3 for 3 taxa. Our findings demonstrate that tropical conservation strategies are being informed by a body of literature that is rife with unwarranted inferences. Addressing pseudoreplication is essential for accurately assessing biodiversity in logged forests, identifying the relative merits of specific management practices and landscape configurations, and effectively balancing conservation with timber production in tropical forests.

KeywordBeta Diversity Biodiversity Conservation Distance Decay Inference Logging Spatial Autocorrelation Autocorrelación Espacial Conservación De La Biodiversidad Diversidad Beta Efecto De La Distancia Inferencia Tala
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/3909
Collection协同进化组
Recommended Citation
GB/T 7714
Benjamin S. Ramage*,Douglas Sheil,Hannah M.W. Salim,et al. Pseudoreplication in Tropical Forests and the Resulting Effects on Biodiversity Conservation[J]. Conservation Biology,2013,27(2):364-372.
APA Benjamin S. Ramage*.,Douglas Sheil.,Hannah M.W. Salim.,Christine Fletcher.,Nur-Zati A. Mustafa.,...&Matthew D. Potts.(2013).Pseudoreplication in Tropical Forests and the Resulting Effects on Biodiversity Conservation.Conservation Biology,27(2),364-372.
MLA Benjamin S. Ramage*,et al."Pseudoreplication in Tropical Forests and the Resulting Effects on Biodiversity Conservation".Conservation Biology 27.2(2013):364-372.
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