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$ 65.00 USD
Coleções: Books, Audio & Video, Ecology
Vendedor: Princeton University Press
Product Dimensions: 9.5 x 6.5 x 1.6 in
Shipping Weight: 2.0 lb
Most organisms show substantial changes in size or morphology after they become independent of their parents and have to find their own food. Furthermore, the rate at which these changes occur generally depends on the amount of food they ingest. In this book, André de Roos and Lennart Persson advance a synthetic and individual - based theory of the effects of this plastic ontogenetic development on the dynamics of populations and communities.
De Roos and Persson show how the effects of ontogenetic development on ecological dynamics critically depend on the efficiency with which differently sized individuals convert food into new biomass. Differences in this efficiency - or ontogenetic asymmetry - lead to bottlenecks in and thus population regulation by either maturation or reproduction. De Roos and Persson investigate the community consequences of these bottlenecks for trophic configurations that vary in the number and type of interacting species and in the degree of ontogenetic niche shifts exhibited by their individuals. They also demonstrate how insights into the effects of maturation and reproduction limitation on community equilibrium carry over to the dynamics of size-structured populations and give rise to different types of cohort - driven cycles.