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Network Properties, Species Abundance and Evolution in a Model of Evolutionary Ecology by Paul E. Anderson; Henrik Jeldtoft Jensen is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Network Properties, Species Abundance and Evolution in a Model of Evolutionary Ecology about?

We study the evolution of the network properties of a populated network embedded in a genotype space characterized by either a low or a high number of potential links, with particular emphasis on the connectivity and clustering. Evolution produces two distinct types of network. When a specific genotype is only able to influence a few other genotypes, the ecosystem consists of separate non-interacting clusters (i.e. isolated compartments) in genotype space. When different types may influence a large number of other sites, the network becomes one large interconnected cluster. The distribution of interaction strengths--but not the number of connections--changes significantly with time. We find that the species abundance is only realistic for a high level of species connectivity. This suggests that real ecosystems form one interconnected whole in which selection leads to stronger interactions between the different types. Analogies with niche and neutral theory and assembly models are also considered.

Who reads Network Properties, Species Abundance and Evolution in a Model of Evolutionary Ecology?

Author

Paul E. Anderson; Henrik Jeldtoft Jensen

Publisher

Elsevier Science; Elsevier ; Elsevier Inc.; Elsevier BV (ISSN 0022-5193)

Published

2005

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)