Journal
BIOLOGICAL CONSERVATION
Volume 93, Issue 3, Pages 327-332Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0006-3207(99)00148-2
Keywords
bycatch; fisheries; penguins; mortality
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Between 1979 and 1997, autopsies of 185 yellow-eyed penguins were conducted as part of a long-term study of their population biology. Twenty-one penguins known to have been drowned in gillnets were used to compile a set of physical features and injuries characteristic of death by gillnet entanglement. A further 21 birds whose cause of death was initially unknown showed features consistent with death by gillnet entanglement. Fishers reported a further 30 gillnet entanglements to government agencies. Considering the rarity of this species on the South Island of New Zealand, gillnet entanglement is interpreted to be a significant threat to South Island populations. (C) 2000 Elsevier Science Ltd. All rights reserved.
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