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KMID : 1024520110200020155
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Journal of the Environmental Sciences
2011 Volume.20 No. 2 p.155 ~ p.161
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Application of Model of Plant Population Structure and Phenotypic Divergence
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Huh Man-Kyu
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Abstract
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In application and discussion of population structure and phenotypic divergence in plant community, the classic Lotka-Volterra models of competition and spatial model are conceived as a mechanism that is composed by multiple interacting processes. Both the Lotka-Volterra and spatial simulation formulae predict that species diversity increases with genotypic richness (GR). The two formulae are also in agreement that species diversity generally decreases within increasing niche breadth (NB) and increases with increasing potential genotypic range (PGR). Across the entire parameter space in the Lotka-Volterra model and most of the parameter space in the spatial simulations, variance in community composition decreased with increasing genotypic richness. This was, in large part, a consequence of selecting genotypes randomly from a set pool.
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KEYWORD
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Population structure, Phenotypic divergence, Lotka-Volterra model, Spatial model
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