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Master Thesis

La sélectivité de la chasse chez les oiseaux

Abstract : Harvest of wild animals (hunting and fishing) can be selective by targeting individuals depending on physical traits (their phenotype). It has been largely studied in fish and mammals (trophy hunting) but few articles investigate selective bird hunting. With more than 50 million birds harvested each year in Europe, it could have severe consequences on the populations. We suggest a methodology to test for a selection in bird hunting on three physical traits (weight, wing and tarsus length), taking the natural trait variability into account. Thus, we can consider the potential selectivity sensu stricto, regardless of the spatiotemporal traits’ variations in the populations. The analysis in this report are performed on mallards (Anas platyrhynchos) ringed in France from August to March, between 1940 and 2020. The results suggest that mallard hunting is not selective on the weight and the tarsus length. Harvested mallards have shorter wings but this difference is very small and thus it might not have an evolutionary impact on the populations. The probability of being harvested does not depend on the condition index either, contrary to our primary hypothesis. This does not rule out a potential selection in bird hunting for other species or for other traits, like demographic or behavioural traits.
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Submitted on : Wednesday, October 14, 2020 - 3:50:05 PM
Last modification on : Sunday, January 10, 2021 - 3:08:50 AM


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  • HAL Id : dumas-02966978, version 1



Léa Bezier. La sélectivité de la chasse chez les oiseaux. Sciences du Vivant [q-bio]. 2020. ⟨dumas-02966978⟩



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