Part of the NATO ASI Series book series (NSSA, volume 138)
Populations under Periodically and Randomly Varying Growth Conditions
A large number of natural populations result from single generations that do not overlap, so that population growth occurs in discrete steps. The growth of a single species can then be described by an equation of the typewhere we consider the time lapse between two generations as time unity. Examples of this type of poulation are many temperate zone arthropod species with one short-lived adult generation per year , bivoltine insects (i.e. insects having a summer and a winter generation [81) and cicadas with adults emerging every 13 years .
KeywordsLyapunov Exponent Step Length Logistic Equation Colorado Potato Beetle Coupling Process
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