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Applying search theory to determine the feasibility of eradicating invasive populations

Author

Listed:
  • Cacho, Oscar J.
  • Hester, Susan
  • Spring, Daniel

Abstract

The detectability of invasive organisms influences the feasibility of eradicating an infestation. Search theory offers a framework for defining and measuring detectability, taking account of searcher ability, biological factors and the search environment. In this paper, search theory concepts are incorporated into a population model and the costs of search and control are calculated as functions of the amount of search effort (the decision variable). Simulations are performed on a set of four weed scenarios in a natural environment, involving different combinations of plant longevity, seed longevity and plant fecundity. Results provide information for the design of efficient search strategies.

Suggested Citation

  • Cacho, Oscar J. & Hester, Susan & Spring, Daniel, 2006. "Applying search theory to determine the feasibility of eradicating invasive populations," 2006 Conference (50th), February 8-10, 2006, Sydney, Australia 174092, Australian Agricultural and Resource Economics Society.
    • Handle: RePEc:ags:aare06:174092
    DOI: 10.22004/ag.econ.174092
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