Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/3286
Title: Pre-emptive conservation versus 'fire-fighting': A decision theoretic approach
Contributor(s): Spring, Daniel A (author); Cacho, Oscar Jose (author)orcid ; Mac Nally, Ralph (author); Sabbadin, Regis (author)
Publication Date: 2007
DOI: 10.1016/j.biocon.2006.12.024
Handle Link: https://hdl.handle.net/1959.11/3286
Abstract: How can conservation planners optimally and effectively allocate limited resources between imminently threatened and presently secure areas? Such choices must be made at multiple spatial scales involving a variety of conservation targets. Allocation strategies range from a "fire-fighting" approach, which gives priority to heavily developed areas at high risk of further habitat loss, to a 'pre-emptive' approach giving priority to intact habitat tracts before they become threatened. We determined optimal dynamic reserve selection strategies when selections are made in imminently threatened and presently secure areas that will become threatened at uncertain times in the future. The objective was to maximize the expected number of endemic species conserved, predicted with species–area curves. The model was solved for three forms of species–area curve proposed in theoretical studies of habitat loss. Alternative scenarios were considered on the relationship between land prices and development risk. For the most commonly proposed form of the species–area relationship, the fire-fighting approach is optimal even if land prices rise substantially when presently secure areas become threatened. This reflects the assumption that species decline accelerates only after a large proportion of original habitat has been lost. The possibility of large species losses at lower levels of habitat loss justifies at least some pre-emptive conservation, even if land prices are not correlated with threat. If species decline is proportional with habitat loss, the optimal conservation strategy depends strongly on land price dynamics.
Publication Type: Journal Article
Source of Publication: Biological Conservation, 136(4), p. 531-540
Publisher: Elsevier
Place of Publication: Amsterdam, The Netherlands
ISSN: 0006-3207
Field of Research (FOR): 140205 Environment and Resource Economics
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Statistics to Oct 2018: Visitors: 387
Views: 451
Downloads: 0
Appears in Collections:Journal Article

Files in This Item:
2 files
File Description SizeFormat 
Show full item record

SCOPUSTM   
Citations

18
checked on Nov 26, 2018

Page view(s)

118
checked on Mar 4, 2019
Google Media

Google ScholarTM

Check

Altmetric

SCOPUSTM   
Citations

 

WEB OF SCIENCETM
Citations

 

Items in Research UNE are protected by copyright, with all rights reserved, unless otherwise indicated.