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The importance of time scale in conservation biology and ecology

Frankham, R. and Brook, Barry W. (2004). The importance of time scale in conservation biology and ecology. Annales Zoologici Fennici,41(3):459-463.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 20 times in Scopus Article | Citations
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Title The importance of time scale in conservation biology and ecology
Author Frankham, R.
Brook, Barry W.
Journal Name Annales Zoologici Fennici
Publication Date 2004
Volume Number 41
Issue Number 3
ISSN 0003-455X   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-3142599163
Start Page 459
End Page 463
Total Pages 5
Place of Publication Helsinki, Finland
Publisher Zoological & Botanical Publishing Board
HERDC Category C1 - Journal Article (DEST)
Abstract The issue of time scaling in conservation biology and ecology is rarely considered, yet has crucial implications. If time scale is inappropriate, it impedes the search for generalities. Data on threatened species are typically limited, so the search for generalities is important in conservation biology where extrapolations from well Studied taxa to threatened species are often needed. When time scale is specified in conservation biology and ecology it is typically defined in years. However, theoretical and empirical evidence indicates that extinction risk scales to generations, as do catastrophes, and environmental and genetic stochasticity. Examples are given of important insights achieved by analyses using generations. Conversely, human social and political considerations are more likely to require scaling to years, so the purpose of studies needs to be carefully defined. Progress in conservation biology and ecology will be impeded if the issue of time scale is not addressed carefully.
Keywords population-dynamics
extinction risk
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