Pair-approximation analyses of evolutionarily stable strategies for flowering time in clonal monocarpic plants.
Pair-approximation analyses of evolutionarily stable strategies for flowering time in clonal monocarpic plants.
复制标题
克隆单果植物开花时间的进化稳定策略的配对近似分析。
DOI：
10.1007/s13160-015-0194-4
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发表时间：
2015
影响因子：
0.9
通讯作者：
Akiko Satake
中科院分区：
文献类型：
--
作者：
*Yuuya Tachiki;Akiko Satake
克隆植物可以采用两种不同的繁殖策略，克隆和有性繁殖。竹子是一次结实的克隆植物，经过长期的克隆繁殖后开花，然后在产生种子后死亡。为了探讨克隆繁殖形成的空间结构对长开花间隔演化的影响，建立了一个规则格点上克隆植物种群增长模型。我们应用对近似，使我们能够获得一个封闭的形式的动态。我们推导出了无限长的开花间隔（纯克隆策略）或年开花策略成为进化稳定策略的条件。我们表明，本地化的扩散扩大了有限的开花间隔演变的区域。我们的发现强调了在克隆植物生活史策略研究中考虑空间结构的重要性。
Clonal plants can employ two distinct reproductive strategies, clonal and sexual reproduction. Bamboos are monocarpic clonal plants that flower after a long-term clonal reproduction, and then die after seed production. To explore the effect of spatial structure formed through clonal reproduction on the evolution of such long flowering intervals, we developed a model for population growth of clonal plants on a regular lattice. We applied the pair-approximation that enables us to obtain a closed form of the dynamics. We derived the condition that an infinitely long flowering interval (a pure clonal strategy) or annual flowering strategy became an evolutionarily stable strategy. We demonstrate that localized dispersal broadens the region in which finite flowering interval evolves. Our finding highlights the importance to take into account the spatial structure on the studies of life history strategy in clonal plants.