The Beverton-Holt model with periodic and conditional harvesting.

Ziyad AlSharawi, Mohamed B H Rhouma

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

In this theoretical study, we investigate the effect of different harvesting strategies on the discrete Beverton-Holt model in a deterministic environment. In particular, we make a comparison between the constant, periodic and conditional harvesting strategies. We find that for large initial populations, constant harvest is more beneficial to both the population and the maximum sustainable yield. However, periodic harvest has a short-term advantage when the initial population is low, and conditional harvest has the advantage of lowering the risk of depletion or extinction. Also, we investigate the periodic character under each strategy and show that periodic harvesting drives population cycles to be multiples (period-wise) of the harvesting period.

Original languageEnglish
Pages (from-to)463-478
Number of pages16
JournalJournal of Biological Dynamics
Volume3
Issue number5
Publication statusPublished - Sep 2009

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology

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