Why intraspecific trait variation matters in community ecology

被引:1802
作者
Bolnick, Daniel I. [1 ]
Amarasekare, Priyanga [2 ]
Araujo, Marcio S. [3 ]
Buerger, Reinhard [4 ]
Levine, Jonathan M. [5 ]
Novak, Mark [6 ]
Rudolf, Volker H. W. [7 ]
Schreiber, Sebastian J. [8 ]
Urban, Mark C. [9 ]
Vasseur, David A. [10 ]
机构
[1] Univ Texas Austin, Howard Hughes Med Inst, Sect Integrat Biol, Austin, TX 78712 USA
[2] Univ Calif Los Angeles, Dept Ecol & Evolutionary Biol, Los Angeles, CA 90095 USA
[3] Florida Int Univ, Dept Biol Sci, Miami, FL 33181 USA
[4] Univ Vienna, Dept Math, A-1090 Vienna, Austria
[5] Univ Calif Santa Barbara, Dept Ecol Evolut & Marine Biol, Santa Barbara, CA 93106 USA
[6] Univ Calif Santa Cruz, Dept Ecol & Evolutionary Biol, Santa Cruz, CA 95060 USA
[7] Rice Univ, Dept Ecol & Evolutionary Biol, Houston, TX 77005 USA
[8] Univ Calif Davis, Dept Ecol & Evolut, Davis, CA 95616 USA
[9] Univ Connecticut, Dept Ecol & Evolutionary Biol, Storrs, CT 06269 USA
[10] Yale Univ, Dept Ecol & Evolutionary Biol, New Haven, CT 06520 USA
基金
美国国家科学基金会;
关键词
HOST GENETIC DIVERSITY; INDIVIDUAL VARIATION; DIETARY SPECIALIZATION; POPULATION; EVOLUTION; CONSEQUENCES; DYNAMICS; MODEL; COMPETITION; SEA;
D O I
10.1016/j.tree.2011.01.009
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Natural populations consist of phenotypically diverse individuals that exhibit variation in their demographic parameters and intra- and inter-specific interactions. Recent experimental work indicates that such variation can have significant ecological effects. However, ecological models typically disregard this variation and focus instead on trait means and total population density. Under what situations is this simplification appropriate? Why might intraspecific variation alter ecological dynamics? In this review we synthesize recent theory and identify six general mechanisms by which trait variation changes the outcome of ecological interactions. These mechanisms include several direct effects of trait variation per se and indirect effects arising from the role of genetic variation in trait evolution.
引用
收藏
页码:183 / 192
页数:10
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