A life history trade-off in Drosophila species and community structure in variable environments
A life history trade-off in Drosophila species and community structure in variable environments
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可变环境中果蝇物种和群落结构的生活史权衡
DOI：
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发表时间：
1993
期刊：
影响因子：
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通讯作者：
J. V. Alphen
中科院分区：
文献类型：
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作者：
J. G. Sevenster;J. V. Alphen
在纲或科水平的分类群中，发育周期通常与成虫寿命成正比。在果蝇物种中，较短的发育期增加了幼虫的竞争能力。然而，成年期较长的物种在时间和空间上可能有更好的机会到达新的繁殖地。在另一篇论文（Sevenster & Van Alphen 1993）中，我们提出了一个包含这种权衡的模型。研究表明，当繁殖机会频繁时，快速的幼虫发育者（“快种”）占主导地位，而当繁殖机会稀缺时，良好的成年幸存者（“慢种”）占主导地位。此外，该模型还表明，在中间环境中，一个快物种和一个慢物种可能共存
Within taxa at the class or family level, the developmental period is often proportional to adult life span. In Drosophila species, a short developmental period increases larval competitive ability. Species with a long adult life, however, may have a better chance to reach new breeding sites in time and space. In another paper (Sevenster & Van Alphen 1993), we presented a model incorporating this trade-off. It shows that fast larval developers («fast species») are dominant when breeding opportunities are frequent, and that good adult survivors («slow species») are dominant when breeding opportunities are scarce. Moreover, the model demonstrates that a fast and a slow species may coexist in intermediate environments