Collecting Population Data
Definition of the population (the individuals of a species present in a defined area at a certain time) is central to most disease investigations and is also one of the most difficult aspects of any study of wild animals. There are a great variety of methods for describing a population, but when dealing with disease these usually involve elaboration of a few basic questions:
who is present?
who is at risk?
who is affected?
what effect is disease having on the population?
KeywordsWild Animal Aerial Survey Hunting Season Snow Goose Trap Night
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© Springer Science+Business Media New York 1994