A dynamic simulation model to support reduction in illegal trade within legal wildlife markets

© 2021 The Authors. Conservation Biology published by Wiley Periodicals LLC on behalf of Society for Conservation Biology.

Bibliographische Detailangaben
Veröffentlicht in:Conservation biology : the journal of the Society for Conservation Biology. - 1999. - 36(2022), 2 vom: 20. Apr., Seite e13814
1. Verfasser: Oyanedel, Rodrigo (VerfasserIn)
Weitere Verfasser: Gelcich, Stefan, Mathieu, Emile, Milner-Gulland, E J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Conservation biology : the journal of the Society for Conservation Biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Bayesian approach aplicación enfoque Bayesiano enforcement fisheries intermediaries intermediarios mercados impulsados por la oferta mehr... modelo predictivo pesquerías predictive modeling supply-driven markets sustainability sustentabilidad 中间商 供应驱动的市场 可持续性 执行 渔业 贝叶斯方法 预测建模
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520 |a Sustainable wildlife trade is critical for biodiversity conservation, livelihoods, and food security. Regulatory frameworks are needed to secure these diverse benefits of sustainable wildlife trade. However, regulations limiting trade can backfire, sparking illegal trade if demand is not met by legal trade alone. Assessing how regulations affect wildlife market participants' incentives is key to controlling illegal trade. Although much research has assessed how incentives at both the harvester and consumer ends of markets are affected by regulations, little has been done to understand the incentives of traders (i.e., intermediaries). We built a dynamic simulation model to support reduction in illegal wildlife trade within legal markets by focusing on incentives traders face to trade legal or illegal products. We used an Approximate Bayesian Computation approach to infer illegal trading dynamics and parameters that might be unknown (e.g., price of illegal products). We showcased the utility of the approach with a small-scale fishery case study in Chile, where we disentangled within-year dynamics of legal and illegal trading and found that the majority (∼77%) of traded fish is illegal. We utilized the model to assess the effect of policy interventions to improve the fishery's sustainability and explore the trade-offs between ecological, economic, and social goals. Scenario simulations showed that even significant increases (over 200%) in parameters proxying for policy interventions enabled only moderate improvements in ecological and social sustainability of the fishery at substantial economic cost. These results expose how unbalanced trader incentives are toward trading illegal over legal products in this fishery. Our model provides a novel tool for promoting sustainable wildlife trade in data-limited settings, which explicitly considers traders as critical players in wildlife markets. Sustainable wildlife trade requires incentivizing legal over illegal wildlife trade and consideration of the social, ecological, and economic impacts of interventions 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Bayesian approach 
650 4 |a aplicación 
650 4 |a enfoque Bayesiano 
650 4 |a enforcement 
650 4 |a fisheries 
650 4 |a intermediaries 
650 4 |a intermediarios 
650 4 |a mercados impulsados por la oferta 
650 4 |a modelo predictivo 
650 4 |a pesquerías 
650 4 |a predictive modeling 
650 4 |a supply-driven markets 
650 4 |a sustainability 
650 4 |a sustentabilidad 
650 4 |a 中间商 
650 4 |a 供应驱动的市场 
650 4 |a 可持续性 
650 4 |a 执行 
650 4 |a 渔业 
650 4 |a 贝叶斯方法 
650 4 |a 预测建模 
700 1 |a Gelcich, Stefan  |e verfasserin  |4 aut 
700 1 |a Mathieu, Emile  |e verfasserin  |4 aut 
700 1 |a Milner-Gulland, E J  |e verfasserin  |4 aut 
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