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    Revision of the fishery–foraging overlap model

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    The fishery-foraging model of Agnew and Phegan (1995) was reviewed by the Working Group on Ecosystem Monitoring and Management and its Subgroup on Statistics in 1997. The review found that the index calculated in that model did not directly measure overlap between penguin foraging demands and the krill fishery in waters around the South Shetland Islands and Antarctic Peninsula, but rather was related to the total amount of krill removed from the foraging area during December to March. The Secretariat was tasked with the revision of the model, including modifications to the model in terms of both adjustments to temporal aspects of the underlying model and changes in the form of the index of overlap. The revised model is described, and preliminary results are presented.