CLAB20H3 Lecture 18: Lecture19-2.pdf

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Neutral theory can predict diversity patterns even when all species are competitively equivalent and use the same resources. In 2001 stephen hubbell published a book on neutral theory in ecology. Spot is colonized by any other species in community. x. Eventually all species go extinct locally, except one. Spot is colonized by any other species in community. If new species are not introduced, all but one will go extinct. Neutral theories: neutral theory can predict diversity patterns very well in very diverse systems, however, we know from detailed studies that species are not identical, modern research is working to reconcile niche (resource partitioning) and neutral theory. Scheffer & van nes (2006) used computer simulations to show that evolution would produce groups of similar species. Landscape ecology examines spatial patterns and their relationship to ecological processes and changes. Landscape ecology a sub-discipline of ecology that emphasizes the causes and consequences of spatial variation across a range of scales.

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