Tree diversity in relation to maximum tree height: evidence for the harshness hypothesis of species diversity gradients |
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| Authors: | Christian O Marks Helene C Muller‐Landau David Tilman |
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| Institution: | 1. The Nature Conservancy, Northampton, MA, USA;2. Smithsonian Tropical Research Institute, Panama City, Panama;3. Department of Ecology, University of Minnesota, St. Paul, MN, USA |
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| Abstract: | Marks et al. (Ecology Letters, 19, 2016, 743) showed tree species richness correlates with maximum tree height, and interpret this as evidence that the environmental stressors that limit tree height also act as ecological filters on species richness. Here, we strengthen these arguments by further addressing the roles of environmental covariates and beta diversity. |
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| Keywords: | Canopy height environmental filters favourability hypothesis moisture gradient shade tolerance |
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