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By: Renaud, Wayne E. - Bradstreet, Michael S.WType: ArticleIn: The Canadian field-naturalistVolume: 94Series:Issue: 4Date: 1980Page Range: 421--425Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Bradstreet, Michael S.W - Page, Gary W - Johnston, W. GavinType: ArticleIn: The Canadian field-naturalistVolume: 91Series:Issue: 3Date: 1977Page Range: 225--236Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: