NDLI: Complex dynamics of survival and extinction in simple population models with harvesting

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Complex dynamics of survival and extinction in simple population models with harvesting

Content Provider	Springer Nature Link
Author	Liz, Eduardo
Copyright Year	2009
Abstract	We study the effects of constant harvesting in a discrete population model that includes density-independent survivorship of adults in a population with overcompensating density dependence. The interaction between the survival parameter and other parameters of the model (harvesting rate, natural growth rate) reveal new phenomena of survival and extinction. The main differences with the dynamics of survival and extinction reported for semelparous populations with overcompensatory density dependence are that there can be multiple windows of extinction and conditional persistence as harvesting increases or the intrinsic growth rate is increased, and that, in case of bistability, the basin of attraction of the nontrivial attractor may consist of an arbitrary number of disjoint connected components.
Starting Page	209
Ending Page	221
Page Count	13
File Format	PDF
ISSN	18741738
Journal	Theoretical Ecology
Volume Number	3
Issue Number	4
e-ISSN	18741746
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-11-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Extinction Persistence Discrete dynamical system Bifurcation Bimodal map Zoology Plant Sciences Theoretical Ecology/Statistics
Content Type	Text
Resource Type	Article
Subject	Ecology Ecological Modeling

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