Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/21103
Title: Is maximizing protection the same as minimizing loss? Efficiency and retention as alternative measures of the effectiveness of proposed reserves
Contributor(s): Pressey, Robert L (author); Watts, Matthew (author)orcid ; Barrett, Thomas  (author)
Publication Date: 2004
DOI: 10.1111/j.1461-0248.2004.00672.x
Handle Link: https://hdl.handle.net/1959.11/21103
Abstract: We used two measures to compare the effectiveness of 52 conservation criteria in achieving conservation targets for forest types. The first measure was efficiency. Although widely used, efficiency assumes no loss or reduction of biodiversity features before conservation is implemented. This is invalid in many situations. Often, it is more realistic to assume gradual implementation accompanied by incremental, predictable reduction and loss of biodiversity features. We simulated future landscapes resulting from the annual interplay of loss and conservation of forest types. We then based our second measure, retention, on how well criteria scheduled conservation action to prevent targets being compromised. The simulations partly support predictions about the best criteria for scheduling implementation with continuing biodiversity loss. Retention was weakly related or unrelated to efficiency across 52 criteria. Although retention values were sensitive to changes in targets and rates of conservation and forest loss, one criterion consistently produced highest retention values.
Publication Type: Journal Article
Source of Publication: Ecology Letters, 7(11), p. 1035-1046
Publisher: Wiley-Blackwell Publishing Ltd
Place of Publication: United Kingdom
ISSN: 1461-0248
Field of Research (FOR): 050299 Environmental Science and Management not elsewhere classified
080605 Decision Support and Group Support Systems
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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