No evidence for an interactive effect of herbivore and predator diversity on herbivore abundance in the experimental mesocosms of Douglass et al. (2008) |
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| Authors: | Murtaugh Paul A |
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| Affiliation: | Department of Statistics, Oregon State University, Corvallis, OR 97331, USA |
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| Abstract: | Douglass et al. ( Ecol. Lett. , 11 , 2008, 1) concluded that grazer diversity and predator diversity have an interactive effect on herbivore abundance in experimental marine mesocosms. Re-analysis of their data fails to support this conclusion, which was apparently based on a statistical miscalculation. |
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| Keywords: | Analysis of variance contrasts herbivore diversity interaction predator diversity |
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