PHENOTYPIC PLASTICITY AS A STATE-DEPENDENT LIFE-HISTORY DECISION

被引:162
作者
HOUSTON, AI
MCNAMARA, JM
机构
[1] NERC Unit of Behavioural Ecology, Department of Zoology, University of Oxford, Oxford, OX1 3PS, South Parks Road
[2] School of Mathematics, University of Bristol, Bristol, BS8 1TW, University Walk
关键词
PHENOTYPIC PLASTICITY; LIFE-HISTORY THEORY; CLUTCH SIZE; STATE-DEPENDENT BEHAVIOR;
D O I
10.1007/BF02214164
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
A genotype is said to show phenotypic plasticity if it can produce a range of environmentally dependent phenotypes. Plasticity may or may not be adaptive. We consider plasticity as a genetically determined trait and thus find the optimal response of an animal to its environment. Various aspects of this optimal response are illustrated with examples based on reproductive effort. We investigate the selection pressure for plastic as opposed to fixed strategies. An example with spatial heterogeneity is used to compare our approach with that of Stearns and Koella (1986).
引用
收藏
页码:243 / 253
页数:11
相关论文
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