Risk map for wolf threats to livestock still predictive 5 years after construction

Adrian Treves and Mark F Rabenhorst

PLOS ONE, 2017, vol. 12, issue 6, 1-5

Abstract: Risk maps are spatial models of environmental hazards such as predation on livestock. We tested the long-term validity of a published risk map built from locations where Wisconsin wolves attacked livestock from 1999–2006. Using data collected after model construction, we verified the predictive accuracy of the risk map exceeded 91% for the period 2007–2011. Predictive power lasting 5 years or more substantiates the claim that risk maps are both valid and verified tools for anticipating spatial hazards. Classification errors coincided with verifier uncertainty about which wolves might be responsible. Perceived threats by wolves to domestic animals were not as well predicted (82%) as verified attacks had been and errors in classification coincided with incidents involved domestic animals other than bovids and verifier uncertainty about which wolves were involved. We recommend risk maps be used to target interventions selectively at high-risk sites.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0180043

DOI: 10.1371/journal.pone.0180043

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