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Rethinking Trade-Driven Extinction Risk in Marine and Terrestrial Megafauna [Current Biology]

par Frédéric Magné - publié le

Large animals hunted for the high value of their parts (e.g., elephant ivory and shark fins) are at risk of extinction due to both intensive international trade pressure and intrinsic biological sensitivity. However, the relative role of trade, particularly in non-perishable products, and biological factors in driving extinction risk is not well understood [ 1–4 ]. Here we identify a taxonomically diverse group of >100 marine and terrestrial megafauna targeted for international luxury markets ; estimate their value across three points of sale ; test relationships among extinction risk, high value, and body size ; and quantify the effects of two mitigating factors : poaching fines and geographic range size. (...)

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