GSTDTAP  > 资源环境科学
DOI10.1002/fee.2336
Predation services: quantifying societal effects of predators and their prey
Sophie Gilbert; Neil Carter; Robin Naidoo
2021-03-31
发表期刊Frontiers in Ecology and the Environment
出版年2021
英文摘要

Conservation of predators – especially large carnivores and those that potentially pose threats to humans – can be controversial among stakeholders who must coexist with them. What is often overlooked, however, are the direct and indirect ecosystem services and disservices predators provide as a result of consumption of herbivores (“predation services”). We used a theoretical predator–prey–economic model to examine when predators are likely to provide a net service to society, by comparing services/disservices to a predator-free counterfactual scenario. We found that net predator services were strongly dependent on how per-capita services and disservices of predators and prey changed with abundance (ie assumed marginal value [MV] functions of service/disservice). We suggest that further empirical research is needed into MVs of services/disservices of wildlife, because transferring net services among locations – a common practice – is problematic unless MV functions are known. Rigorously quantifying services/disservices of predators could improve conservation and management outcomes by increasing effective communication to diverse stakeholders.

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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/329811
专题资源环境科学
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Sophie Gilbert,Neil Carter,Robin Naidoo. Predation services: quantifying societal effects of predators and their prey[J]. Frontiers in Ecology and the Environment,2021.
APA Sophie Gilbert,Neil Carter,&Robin Naidoo.(2021).Predation services: quantifying societal effects of predators and their prey.Frontiers in Ecology and the Environment.
MLA Sophie Gilbert,et al."Predation services: quantifying societal effects of predators and their prey".Frontiers in Ecology and the Environment (2021).
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