A loss-gain calculator for biodiversity offsets and the circumstances in which no net loss is feasible

Gibbons, Philip, Evans, Megan C., Maron, Martine, Ascelin, Gordon, Le Roux, Darren, von Hase, Amrei, Lindenmayer, David B. and Possingham, Hugh P. (2016) A loss-gain calculator for biodiversity offsets and the circumstances in which no net loss is feasible. Conservation Letters, 9 4: 252-259. doi:10.1111/conl.12206


Author Gibbons, Philip
Evans, Megan C.
Maron, Martine
Ascelin, Gordon
Le Roux, Darren
von Hase, Amrei
Lindenmayer, David B.
Possingham, Hugh P.
Title A loss-gain calculator for biodiversity offsets and the circumstances in which no net loss is feasible
Journal name Conservation Letters   Check publisher's open access policy
ISSN 1755-263X
Publication date 2016-07
Year available 2015
Sub-type Article (original research)
DOI 10.1111/conl.12206
Open Access Status DOI
Volume 9
Issue 4
Start page 252
End page 259
Total pages 8
Place of publication Chichester, West Sussex, United Kingdom
Publisher Wiley-Blackwell Publishing
Collection year 2017
Language eng
Abstract Offsetting is a policy instrument intended to provide flexibility for development. We developed a simple calculator to predict when no net loss is feasible using biodiversity offsetting. Assuming offset ratios ≤10:1 are indicative of operational feasibility and employing a discount rate of 3%, we predicted that no net loss is feasible where biodiversity can be restored within 55 years, which restricts the impacts on biodiversity that can be offset using restoration. Alternatively, no net loss is feasible by avoiding loss to biodiversity that is declining under the counterfactual at an annual rate ≥6%. However, this is considerably higher than typical background rates of biodiversity loss so restricts where avoided-loss offsets are feasible. No net loss is theoretically feasible in the broadest range of circumstances if biodiversity gains are provided in advance of development. However, these gains are procured by restoration or avoided loss, so constraints presented by these approaches also apply. We concluded that no net loss is feasible in a limited range of development scenarios unless offset ratios greater than 10:1 are more widely tolerated.
Keyword Biobanking
Biodiversity offset
Biodiversity
Compensatory habitat
Metric
Mitigation banking
No net loss
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Geography, Planning and Environmental Management Publications
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School of Biological Sciences Publications
 
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Created: Tue, 09 Aug 2016, 14:36:34 EST by Ms Megan Evans on behalf of School of Geography, Planning & Env Management