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Does probability of occurrence relate to population dynamics?

  • Interestingly, relationships between demographic parameters and occurrence probability did not vary substantially across degrees of shade tolerance and regions. Although they were influenced by the uncertainty in the estimation of the demographic parameters, we found that r was generally negatively correlated with P-occ, while N, and for most regions K, was generally positively correlated with P-occ. Thus, in temperate forest trees the regions of highest occurrence probability are those with high densities but slow intrinsic population growth rates. The uncertain relationships between demography and occurrence probability suggests caution when linking species distribution and demographic models.

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Author:Wilfried Thuiller, Tamara Muenkemueller, Katja H. Schiffers, Damien Georges, Stefan Dullinger, Vincent M. Eckhart, Thomas C. Edwards, Dominique Gravel, Georges Kunstler, Cory Merow, Kara Moore, Christian Piedallu, Steve Vissault, Niklaus E. Zimmermann, Damaris ZurellORCiDGND, Frank M. Schurr
ISSN:0906-7590 (print)
ISSN:1600-0587 (online)
Parent Title (English):Ecography : pattern and diversity in ecology ; research papers forum
Place of publication:Hoboken
Document Type:Article
Year of first Publication:2014
Year of Completion:2014
Release Date:2017/03/26
First Page:1155
Last Page:1166
Funder:European Research Council under European Community [281422]; Danish Council for Independent Research - Natural Sciences [10-085056]; National Science Foundation (NSF) [1046328, 1137366, DEB-0919230]; DFG [WI 3576/1-1]; German Research Foundation (DFG) [SCHU 2259/5-1]; Marie Curie International Outgoing Fellowship within 7th European Community Framework Program [299340]; Rhone-Alpes region [CPER0713 CIRA]; France-Grille
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Biochemie und Biologie
Peer Review:Referiert