A note on the development of Catch Control Laws for multi-species subsistence whaling
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Résumé
Past work on Aboriginal Whaling Management Procedures (AWMPs) has focused on single-species approaches. This paper considers the issue of multi-species approaches by superimposing multi-species Catch Control Laws (CCLs) on top of underlying single-species models. Multi-species CCLs can fulfill larger ‘need’ than purely single-species approaches and can optimise the recovery rates of multiple species when need is satisfied. Four examples of multi-species CCLs are described to instigate discussion. The algorithms are based on the principles of species ranking, even catch, even exploitation and even recovery, respectively. These allocation principles are discussed in relation to management objectives for aboriginal subsistence whaling.
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