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Catch-Per-Unit-Effort Models: An Application to an Elk Population in Colorado

In: Wildlife 2001: Populations

Author

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  • Jeffrey L. Laake

    (Colorado State University, Colorado Cooperative Fish and Wildlife Research Unit)

Abstract

Catch-per-unit-effort (CPUE) models have been a traditional tool of fisheries management but have been relatively unexplored and unused for estimating abundance and survival rates of terrestrial game populations. CPUE models are appealing because they use harvest data traditionally collected by wildlife managers and do not require marking animals. The major difficulty in their use in fisheries management is that they require knowledge of annual recruitment, a quantity that is frequently difficult to estimate. Dupont (1983) developed a general multi-cohort model which does not require an estimate of recruitment but does require age determination of harvested animals. The technique is applied to elk (Cervus elaphus) harvest data from the White River herd in Colorado. Problems and possible improvements of the method are discussed.

Suggested Citation

  • Jeffrey L. Laake, 1992. "Catch-Per-Unit-Effort Models: An Application to an Elk Population in Colorado," Springer Books, in: Dale R. McCullough & Reginald H. Barrett (ed.), Wildlife 2001: Populations, pages 44-55, Springer.
    • Handle: RePEc:spr:sprchp:978-94-011-2868-1_5
    DOI: 10.1007/978-94-011-2868-1_5
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