Evolution of dispersal strategies and dispersal syndromes in fragmented landscapes

被引:172
作者
Cote, Julien [1 ,2 ]
Bestion, Elvire [3 ]
Jacob, Staffan [4 ,5 ,6 ]
Travis, Justin [8 ]
Legrand, Delphine [4 ,5 ,6 ]
Baguette, Michel [7 ]
机构
[1] Univ Toulouse III Paul Sabatier, CNRS, ENFA, Toulouse, France
[2] UMR5174 EDB Lab Evolut & Diversite Biol, Toulouse, France
[3] Univ Exeter, Environm & Sustainabil Inst, Coll Life & Environm Sci, Penryn TR10 9FE, Cornwall, England
[4] Univ Toulouse III Paul Sabatier, CNRS, Toulouse, France
[5] Stn Ecol Theor & Expt, UMR 7321, Toulouse, France
[6] Catholic Univ Louvain, Biodivers Res Ctr, Earth & Life Inst, Louvain La Neuve, Belgium
[7] Museum Natl Hist Nat, Inst Systemat Evolut & Biodiversite, Paris 5, France
[8] Univ Aberdeen, Inst Biol & Environm Sci, Zool Bldg,Tillydrone Ave, Aberdeen AB24 2TZ, Scotland
关键词
MATCHING HABITAT CHOICE; DENSITY-DEPENDENT DISPERSAL; NATAL DISPERSAL; PREDATION RISK; SEX-RATIO; POPULATION-DENSITY; LIFE-HISTORY; INBREEDING AVOIDANCE; BIASED DISPERSAL; BODY-SIZE;
D O I
10.1111/ecog.02538
中图分类号
X176 [生物多样性保护];
学科分类号
090705 ;
摘要
Habitat fragmentation, an important element of current global change, has profound repercussions on population and species extinction. Landscape fragmentation reduces individual movements between patches (i.e. dispersal) while such movements connecting patches enhance the persistence of metapopulations and metacommunities. Through the recognition of non-random movements, dispersal has recently been recognized as a highly complex process. This complexity likely changes the predictions on the evolution of dispersal in spatially structured populations and communities. In this article, we emphasize the effects of fragmentation on the evolution of non-random dispersal. Habitat fragmentation may shape local and global selective pressures acting on a large array of phenotypic traits known to covary with dispersal behaviors. On top of changes in dispersal propensity, habitat fragmentation could therefore modify dispersal syndromes (i.e. dispersers' phenotypic specializations). Habitat fragmentation often leads to spatial structuring of local conditions and consequently may lead to the evolution of different dispersal syndromes at the landscape scale. By neglecting impacts on dispersal syndromes, we might underestimate the impacts of fragmentation on a crucial biodiversity level for metapopulation and metacommunity functioning. We highlight a set of priorities for future empirical and theoretical work that together would provide the understanding of eco-evolutionary dynamics of dispersal syndromes required for improving our ability to predict and manage spatially structured populations and communities.
引用
收藏
页码:56 / 73
页数:18
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