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DOI10.1111/ele.12640
Midpoint attractors and species richness: Modelling the interaction between environmental drivers and geometric constraints
Colwell R.K.; Gotelli N.J.; Ashton L.A.; Beck J.; Brehm G.; Fayle T.M.; Fiedler K.; Forister M.L.; Kessler M.; Kitching R.L.; Klimes P.; Kluge J.; Longino J.T.; Maunsell S.C.; McCain C.M.; Moses J.; Noben S.; Sam K.; Sam L.; Shapiro A.M.; Wang X.; Novotny V.
发表日期2016
ISSN1461-023X
EISSN1461-0248
卷号19期号:9
英文摘要We introduce a novel framework for conceptualising, quantifying and unifying discordant patterns of species richness along geographical gradients. While not itself explicitly mechanistic, this approach offers a path towards understanding mechanisms. In this study, we focused on the diverse patterns of species richness on mountainsides. We conjectured that elevational range midpoints of species may be drawn towards a single midpoint attractor - a unimodal gradient of environmental favourability. The midpoint attractor interacts with geometric constraints imposed by sea level and the mountaintop to produce taxon-specific patterns of species richness. We developed a Bayesian simulation model to estimate the location and strength of the midpoint attractor from species occurrence data sampled along mountainsides. We also constructed midpoint predictor models to test whether environmental variables could directly account for the observed patterns of species range midpoints. We challenged these models with 16 elevational data sets, comprising 4500 species of insects, vertebrates and plants. The midpoint predictor models generally failed to predict the pattern of species midpoints. In contrast, the midpoint attractor model closely reproduced empirical spatial patterns of species richness and range midpoints. Gradients of environmental favourability, subject to geometric constraints, may parsimoniously account for elevational and other patterns of species richness. © 2016 John Wiley & Sons Ltd/CNRS.
英文关键词Bayesian model; Biogeography; elevational gradients; geometric constraints; mid-domain effect; midpoint predictor model; stochastic model; truncated niche
学科领域Bayesian analysis; biogeography; ecological modeling; elevation; environmental gradient; geometry; insect; mountain region; niche; plant; species occurrence; species richness; stochasticity; time domain reflectometry; vertebrate; animal; Bayes theorem; biodiversity; biological model; ecosystem; insect; physiology; plant physiology; vertebrate; Animals; Bayes Theorem; Biodiversity; Ecosystem; Insects; Models, Biological; Plant Physiological Phenomena; Vertebrates; Hexapoda; Vertebrata
语种英语
scopus关键词Bayesian analysis; biogeography; ecological modeling; elevation; environmental gradient; geometry; insect; mountain region; niche; plant; species occurrence; species richness; stochasticity; time domain reflectometry; vertebrate; animal; Bayes theorem; biodiversity; biological model; ecosystem; insect; physiology; plant physiology; vertebrate; Animals; Bayes Theorem; Biodiversity; Ecosystem; Insects; Models, Biological; Plant Physiological Phenomena; Vertebrates; Hexapoda; Vertebrata
来源期刊Ecology letters
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/118494
作者单位Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, 06269, USA, United States; Departmento de Ecologia, Universidade Federal de Goiás, CP 131, Goiânia, GO, 74.001-970, Brasil; University of Colorado Museum of Natural History, Boulder, CO, 80309, USA, United States; Department of Biology, University of Vermont, Burlington, VT, 05405, USA, United States; Environmental Futures Research Institute, Griffith University, Nathan, Qld, 4111, Australia, Australia; Life Sciences Department, Natural History Museum, South Kensington, London, SW7 5BD, UK, United Kingdom; Department of Environmental Science (Biogeography), University of Basel, Basel, Switzerland, Switzerland; Phyletisches Museum, Friedrich-Schiller Universität, Jena, 07743, Germany; Institute of Entomology, Biology Centre of the Czech Academy of Sciences and Faculty of Science, University of South Bohemia, Branišovská 31, 370 05, České Budějovice, Czech Republic; Forest Ecology and Conservation Group, Imperial College ...
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Colwell R.K.,Gotelli N.J.,Ashton L.A.,et al. Midpoint attractors and species richness: Modelling the interaction between environmental drivers and geometric constraints[J],2016,19(9).
APA Colwell R.K..,Gotelli N.J..,Ashton L.A..,Beck J..,Brehm G..,...&Novotny V..(2016).Midpoint attractors and species richness: Modelling the interaction between environmental drivers and geometric constraints.Ecology letters,19(9).
MLA Colwell R.K.,et al."Midpoint attractors and species richness: Modelling the interaction between environmental drivers and geometric constraints".Ecology letters 19.9(2016).
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