Data from: Blood does not buy goodwill: allowing culling increases poaching of a large carnivore
Quantifying environmental crime and the effectiveness of policy interventions is difficult because perpetrators typically conceal evidence. To prevent illegal uses of natural resources, such as poaching endangered species, governments have advocated granting policy flexibility to local authorities b...
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ftdryad:oai:v1.datadryad.org:10255/dryad.113866 2023-05-15T15:50:31+02:00 Data from: Blood does not buy goodwill: allowing culling increases poaching of a large carnivore Chapron, Guillaume Treves, Adrian 2016-04-18T14:53:54Z http://hdl.handle.net/10255/dryad.113866 https://doi.org/10.5061/dryad.b7d7v unknown doi:10.5061/dryad.b7d7v/1 doi:10.1098/rspb.2015.2939 PMID:27170719 doi:10.5061/dryad.b7d7v Chapron G, Treves A (2016) Blood does not buy goodwill: allowing culling increases poaching of a large carnivore. Proceedings of the Royal Society B 283(1830): 20152939. 0962-8452 http://hdl.handle.net/10255/dryad.113866 illegal hunting conservation policy signal large carnivore wolf Article 2016 ftdryad https://doi.org/10.5061/dryad.b7d7v https://doi.org/10.5061/dryad.b7d7v/1 https://doi.org/10.1098/rspb.2015.2939 2020-01-01T15:33:44Z Quantifying environmental crime and the effectiveness of policy interventions is difficult because perpetrators typically conceal evidence. To prevent illegal uses of natural resources, such as poaching endangered species, governments have advocated granting policy flexibility to local authorities by liberalizing culling or hunting of large carnivores. We present the first quantitative evaluation of the hypothesis that liberalizing culling will reduce poaching and improve population status of an endangered carnivore. We show that allowing wolf (Canis lupus) culling was substantially more likely to increase poaching than reduce it. Replicated, quasi-experimental changes in wolf policies in Wisconsin and Michigan, USA, revealed that a repeated policy signal to allow state culling triggered repeated slowdowns in wolf population growth, irrespective of the policy implementation measured as the number of wolves killed. The most likely explanation for these slowdowns was poaching and alternative explanations found no support. When the government kills a protected species, the perceived value of each individual of that species may decline; so liberalizing wolf culling may have sent a negative message about the value of wolves or acceptability of poaching. Our results suggest that granting management flexibility for endangered species to address illegal behaviour may instead promote such behaviour. Article in Journal/Newspaper Canis lupus Dryad Digital Repository (Duke University) |
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illegal hunting conservation policy signal large carnivore wolf |
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illegal hunting conservation policy signal large carnivore wolf Chapron, Guillaume Treves, Adrian Data from: Blood does not buy goodwill: allowing culling increases poaching of a large carnivore |
topic_facet |
illegal hunting conservation policy signal large carnivore wolf |
description |
Quantifying environmental crime and the effectiveness of policy interventions is difficult because perpetrators typically conceal evidence. To prevent illegal uses of natural resources, such as poaching endangered species, governments have advocated granting policy flexibility to local authorities by liberalizing culling or hunting of large carnivores. We present the first quantitative evaluation of the hypothesis that liberalizing culling will reduce poaching and improve population status of an endangered carnivore. We show that allowing wolf (Canis lupus) culling was substantially more likely to increase poaching than reduce it. Replicated, quasi-experimental changes in wolf policies in Wisconsin and Michigan, USA, revealed that a repeated policy signal to allow state culling triggered repeated slowdowns in wolf population growth, irrespective of the policy implementation measured as the number of wolves killed. The most likely explanation for these slowdowns was poaching and alternative explanations found no support. When the government kills a protected species, the perceived value of each individual of that species may decline; so liberalizing wolf culling may have sent a negative message about the value of wolves or acceptability of poaching. Our results suggest that granting management flexibility for endangered species to address illegal behaviour may instead promote such behaviour. |
format |
Article in Journal/Newspaper |
author |
Chapron, Guillaume Treves, Adrian |
author_facet |
Chapron, Guillaume Treves, Adrian |
author_sort |
Chapron, Guillaume |
title |
Data from: Blood does not buy goodwill: allowing culling increases poaching of a large carnivore |
title_short |
Data from: Blood does not buy goodwill: allowing culling increases poaching of a large carnivore |
title_full |
Data from: Blood does not buy goodwill: allowing culling increases poaching of a large carnivore |
title_fullStr |
Data from: Blood does not buy goodwill: allowing culling increases poaching of a large carnivore |
title_full_unstemmed |
Data from: Blood does not buy goodwill: allowing culling increases poaching of a large carnivore |
title_sort |
data from: blood does not buy goodwill: allowing culling increases poaching of a large carnivore |
publishDate |
2016 |
url |
http://hdl.handle.net/10255/dryad.113866 https://doi.org/10.5061/dryad.b7d7v |
genre |
Canis lupus |
genre_facet |
Canis lupus |
op_relation |
doi:10.5061/dryad.b7d7v/1 doi:10.1098/rspb.2015.2939 PMID:27170719 doi:10.5061/dryad.b7d7v Chapron G, Treves A (2016) Blood does not buy goodwill: allowing culling increases poaching of a large carnivore. Proceedings of the Royal Society B 283(1830): 20152939. 0962-8452 http://hdl.handle.net/10255/dryad.113866 |
op_doi |
https://doi.org/10.5061/dryad.b7d7v https://doi.org/10.5061/dryad.b7d7v/1 https://doi.org/10.1098/rspb.2015.2939 |
_version_ |
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