title: Cost-effective priorities for global mammal conservation.
abstract: Global biodiversity priority setting underpins the strategic allocation of conservation funds. In identifying the first comprehensive set of global priority areas for mammals, Ceballos et al. [Ceballos G, Ehrlich PR, Soberón J, Salazar I, Fay JP (2005) Science 309:603-607] found much potential for conflict between conservation and agricultural human activity. This is not surprising because, like other global priority-setting approaches, they set priorities without socioeconomic objectives. Here we present a priority-setting framework that seeks to minimize the conflicts and opportunity costs of meeting conservation goals. We use it to derive a new set of priority areas for investment in mammal conservation based on (i) agricultural opportunity cost and biodiversity importance, (ii) current levels of international funding, and (iii) degree of threat. Our approach achieves the same biodiversity outcomes as Ceballos et al.'s while reducing the opportunity costs and conflicts with agricultural human activity by up to 50%. We uncover shortfalls in the allocation of conservation funds in many threatened priority areas, highlighting a global conservation challenge.
authors.affiliation: The Ecology Centre, University of Queensland, QLD 4072, Australia. j.carwardine@uq.edu.au
authors.forename: Josie
authors.initials: J
authors.lastname: Carwardine
authors.forename: Kerrie A
authors.initials: KA
authors.lastname: Wilson
authors.forename: Gerardo
authors.initials: G
authors.lastname: Ceballos
authors.forename: Paul R
authors.initials: PR
authors.lastname: Ehrlich
authors.forename: Robin
authors.initials: R
authors.lastname: Naidoo
authors.forename: Takuya
authors.initials: T
authors.lastname: Iwamura
authors.forename: Stefan A
authors.initials: SA
authors.lastname: Hajkowicz
authors.forename: Hugh P
authors.initials: HP
authors.lastname: Possingham
mesh_terms: D000383:Agriculture / Q000191:economics; D000818:Animals; D044822:Biodiversity; D003361:Cost Allocation; D003365:Costs and Cost Analysis; D053476:Extinction, Biological; D008322:Mammals; D040841:Resource Allocation / Q000191:economics*