Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/9038
Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Species-genetic diversity correlations in habitat fragmentation can be biased by small sample sizes
Authors: Nazareno, Alison G
Jump, Alistair
Contact Email: a.s.jump@stir.ac.uk
Keywords: genetic diversity
population genetics
rarefaction method
sampling strategy
small sample size
Issue Date: Jun-2012
Publisher: Wiley-Blackwell
Citation: Nazareno AG & Jump A (2012) Species-genetic diversity correlations in habitat fragmentation can be biased by small sample sizes, Molecular Ecology, 21 (12), pp. 2847-2849.
Abstract: Predicted parallel impacts of habitat fragmentation on genes and species lie at the core of conservation biology, yet tests of this rule are rare. In a recent article in Ecology Letters, Struebig et al. (2011) report that declining genetic diversity accompanies declining species diversity in tropical forest fragments. However, this study estimates diversity in many populations through extrapolation from very small sample sizes. Using the data of this recent work, we show that results estimated from the smallest sample sizes drive the species–genetic diversity correlation (SGDC), owing to a false-positive association between habitat fragmentation and loss of genetic diversity. Small sample sizes are a persistent problem in habitat fragmentation studies, the results of which often do not fit simple theoretical models. It is essential, therefore, that data assessing the proposed SGDC are sufficient in order that conclusions be robus
Type: Journal Article
URI: http://hdl.handle.net/1893/9038
DOI Link: http://dx.doi.org/10.1111/j.1365-294X.2012.05611.x
Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.
Affiliation: Federal University of Santa Catarina, Brazil
Biological and Environmental Sciences

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