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ISSN: 2333-9721
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Plant Clonal Growth in Heterogeneous Habitats: Risk-spreading
异质性生境中的植物克隆生长:风险分摊

Keywords: Environmental heterogeneity,plant clonal growth,Risk-spreading,Trientalis europaea
生境异质性,植物克隆生长,风险分摊,Trientaliseuropaea

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Abstract:

As clonally growing in heterogeneous environments, a single genet may place its ramets in different microhabitats. In this process, mortality (risk) of the genet is spreaded. Risk-spreading makes a great contribution to maintenance of or even increase in genet fitness. Therefore, clonal growth was considered having adaptive value, particularly in fine-scale heterogeneity of environment. Responses of a pseudoannual clonal herb, Trientalis europaea, to a nutrient gradient provides an example of genet riskspreading. Meanwhile, a hypothesis on the relationship between the maintenance of ramet-between connection and the enviromental heterogeneity is proposed.

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