Within- and between-generation effects of temperature on life-history traits in a butterfly

被引:32
作者
Stelgenga, Marc J.
Fischer, Klaus
机构
[1] Ernst Moritz Arndt Univ Greifswald, Inst Zool, D-17489 Greifswald, Germany
[2] Univ Bayreuth, Dept Anim Ecol 1, D-95440 Bayreuth, Germany
关键词
acclimation; bicyclus anynana; body size; cross-generational plasticity; development time; developmental plasticity; maternal effects; offspring size; phenotypic plasticity; temperature-size rule;
D O I
10.1016/j.jtherbio.2007.06.001
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Non-genetic parental effects may largely affect offspring phenotype, and such plasticity is potentially adaptive. Despite its potential importance, little is known about cross-generational effects of temperature, at least partly because parental effects were frequently considered a troublesome nuisance, rather than a target of experimental studies. We here investigate effects of parental, developmental and acclimation temperature on life-history traits in the butterfly Bicyclus anynana. Higher developmental temperatures reduced development times and egg size, increased egg number, but did not affect pupal mass. Between-generation temperature effects on larval time, pupal time, larval growth rate and egg size were qualitatively very similar to effects of developmental temperature, and additionally affected pupal mass but not egg number. Parental effects are important mediators of phenotypic plasticity in B. anynana, and partly yielded antagonistic effects on different components of fitness, which may constrain the evolution of cross-generational adaptive plasticity. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:396 / 405
页数:10
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