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      Role of multiple invasion mechanisms and their interaction in regulating the population dynamics of an exotic tree

      1 , 2 , 3 , 4 , 5
      Journal of Applied Ecology
      Wiley

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          Elton Revisited: A Review of Evidence Linking Diversity and Invasibility

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            Effects of Invasive Alien Plants on Fire Regimes

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              Functional traits explain variation in plant life history strategies.

              Ecologists seek general explanations for the dramatic variation in species abundances in space and time. An increasingly popular solution is to predict species distributions, dynamics, and responses to environmental change based on easily measured anatomical and morphological traits. Trait-based approaches assume that simple functional traits influence fitness and life history evolution, but rigorous tests of this assumption are lacking, because they require quantitative information about the full lifecycles of many species representing different life histories. Here, we link a global traits database with empirical matrix population models for 222 species and report strong relationships between functional traits and plant life histories. Species with large seeds, long-lived leaves, or dense wood have slow life histories, with mean fitness (i.e., population growth rates) more strongly influenced by survival than by growth or fecundity, compared with fast life history species with small seeds, short-lived leaves, or soft wood. In contrast to measures of demographic contributions to fitness based on whole lifecycles, analyses focused on raw demographic rates may underestimate the strength of association between traits and mean fitness. Our results help establish the physiological basis for plant life history evolution and show the potential for trait-based approaches in population dynamics.
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                Author and article information

                Journal
                Journal of Applied Ecology
                J Appl Ecol
                Wiley
                00218901
                March 2018
                March 2018
                October 31 2017
                : 55
                : 2
                : 885-894
                Affiliations
                [1 ]Biology Department; University of Missouri-St. Louis; St. Louis MO USA
                [2 ]School of Forest Resources and Conservation; University of Florida; Gainesville FL USA
                [3 ]Department of Community Ecology; Helmholtz Centre for Environmental Research-UFZ; Halle (Saale) Germany
                [4 ]Institute of Biology; Martin Luther University Halle-Wittenberg; Halle (Saale) Germany
                [5 ]German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig; Leipzig Germany
                Article
                10.1111/1365-2664.13020
                4b211683-1e65-4c44-b97e-c4978257a350
                © 2017

                http://doi.wiley.com/10.1002/tdm_license_1.1

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