A two-year life history cycle model for autumn and spring seedling coexistence in an annual plant—An example of intraspecific niche differentiation
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- 作者：Zhi-quan Hana ; b ; Tong Liua ; betula@126.com" class="auth_mail" title="E-mail the corresponding author ; Xiao-ling Zenga ; Hua-feng Liua ; Xiao-ran Haoa ; Yi-neng Ouyanga ; Xin-jun Zhaob ; Bai-lian Lic
- 关键词：Seed germination ; Evolutionary stable coexistence ; Life history cycle ; Germination fraction ; Reciprocal yield law
- 刊名：Ecological Modelling
- 出版年：2016
- 出版时间：24 June 2016
- 年：2016
- 卷：330
- 期：Complete
- 页码：16-23
- 全文大小：1347 K
文摘
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We propose a mechanism for the coexistence of autumn and spring seedlings within one population of annual plants—intraspecific niche complementarity of a two-year life history cycle.
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We extended classic annual soil seed bank dynamic models using evolutionary stability and the density dependence theory.
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Our model can be applied not only to winter or spring annuals but also to autumn- and spring-seedling plants coexisting in one population.
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The germination behaviors of plants with unsynchronized two-year life history cycles are a new example of intraspecific niche differentiation in annuals.