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By: Tranquilla, Laura A Mcfarlane - Huettmann, Falk - Lougheed, Cecilia - Lougheed, Lynn W - Parker, Nadine R - Kaiser, Gary WType: ArticleIn: The Canadian field-naturalistVolume: 117Series:Issue: 1Date: 2003-01-01Page Range: 53--56Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: