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1 November 2006 Uses of Herd Composition and Age Ratios in Ungulate Management
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Abstract

Wildlife managers commonly collect sex and age ratios to manage ungulate populations. This information typically is used to assess trends in population goals (e.g., bull elk [Cervus elaphus] escapement). Many managers may be unaware or underestimate the amount of information that can be derived from these commonly collected ratios. Herein, I review types of information applicable to population management that can be derived from composition ratios. This information includes mortality or survival rates, maximum sustainable mortality levels, and adult sex ratios. Further, I demonstrate the interaction of ratios with each other. Herd composition and age ratios can provide significant relevant data for population management, but care must be used in their interpretation.

LOUIS C. BENDER "Uses of Herd Composition and Age Ratios in Ungulate Management," Wildlife Society Bulletin 34(4), 1225-1230, (1 November 2006). https://doi.org/10.2193/0091-7648(2006)34[1225:UOHCAA]2.0.CO;2
Published: 1 November 2006
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