SENSITIVE POPULATION PARAMETERS IN MODELING LONG-LIVED SPECIES SUCH AS MOOSE
The production of moose calves over a 20-year period is over 4 times greater if 75% of the yearlings breed compared to none of them breeding. The age at first breeding and the sex ratio of the breeding population are very important parameters when modeling populations of long-lived species. In addition, sex ratio at birth, sex-related mortality of suckling calves, and sex-related natural and hunting mortality of all age groups are important parameters when setting up proportion-based summation population models. Such models can provide accurate estimates of the population on an area if natality and mortality, including hunting mortality, or properly represented.
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