Clear consideration of costs, condition and conservation benefits yields better planning outcomes

作者: Megan C. Evans , Ayesha I.T. Tulloch , Elizabeth A. Law , Keren G. Raiter , Hugh P. Possingham

DOI: 10.1016/J.BIOCON.2015.08.023

关键词: Environmental planningDecision theoryEnvironmental restorationRestoration ecologyConditionalityBusinessIntervention (law)Environmental resource managementMarxanWoodlandCost–benefit analysis

摘要: The conservation benefit of a management action depends on what would have happened in the absence an intervention, and whether objective is to maintain existing biodiversity values, or restore those that been lost. How this calculated considered spatial prioritisation analyses could influence expected cost-effectiveness management, although has not previously explored. Here, we use comprehensive decision theoretic approach identify priorities region ecological, cultural economic significance, Great Western Woodlands (GWW) south-western Australia. To demonstrate how cost, condition benefits affect outcomes, consider two different objectives: maintenance native vegetation communities restoration natural fire regimes. We compare results from (1) our approach, identified using alternative approaches: (2) generic costs (travel, labour) assume landscape homogenous (3) as surrogate for cost i.e. areas poor are assumed high costs. outcomes differ substantially depending calculated. Using resulted priority were least cost-effective. avoid misspent funding, argue care must be taken incorporate most appropriate metrics into analyses, derived clearly specified objective.

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