Population Dynamics of Newfoundland Moose Using Cohort Analysis

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Abstract
Changes in abundance, recruitment rates, and age-specific harvest rates of 3 populations of moose (Alces alces) in Newfoundland were estimated with cohort analysis. Populations declined during 1966-73 due to overharvesting, but recovered in all areas following reduction of license quotes in the mid-1970''s. Age-specific vulnerability to hunting was highest for young adults and lowest for calves and mid-aged adults. Differences in vulnerability were possibly related to hunter preferences, previous experience of moose with hunters, and frequency of movements by moose. Data on kills/day and moose seen/day obtained form hunter questionaires were positively correlated with moose abundance but negatively correlated with the number of hunters. The latter suggested that interference had a strong influence on hunter success.

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