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Interactions between small Cetaceans and Peruvian fisheries in 1988/89 and analysis of trends
Van Waerebeek, K.; Reyes, J.C. (1994). Interactions between small Cetaceans and Peruvian fisheries in 1988/89 and analysis of trends. Rep. Int. Whal. Commn. Special Issue 15: 495-502
In: Report of the International Whaling Commission. International Whaling Commission: Cambridge. ISSN 0143-8700, more

Available in Authors 
    VLIZ: Open Repository 242680 [ OMA ]

Keywords
    Delphinus Linnaeus, 1758 [WoRMS]; Eubalaena australis (Desmoulins, 1822) [WoRMS]; Globicephala macrorhynchus Gray, 1846 [WoRMS]; Grampus griseus (G. Cuvier, 1812) [WoRMS]; Kogia sima (Owen, 1866) [WoRMS]; Lagenorhynchus obscurus (Gray, 1828) [WoRMS]; Mesoplodon peruvianus Reyes, Mead & Van Waerebeek, 1991 [WoRMS]; Phocoena spinipinnis (Burmeister, 1865) [WoRMS]; Tursiops truncatus (Montagu, 1821) [WoRMS]; Marine
Author keywords
    INCIDENTAL CAPTURE FISHERIES; SOUTH PACIFIC; DUSKY DOLPHIN; BURMEISTER'S PORPOISE; COMMON DOLPHIN; BOTTLENOSE DOLPHIN; SHORT-FINNED PILOT WHALE; LESSER BEAKED WHALE; DWARF SPERM WHALE; RISSO'S DOLPHIN; SOUTHERN RIGHT WHALE DOLPHIN

Authors  Top 
  • Van Waerebeek, K., more
  • Reyes, J.C.

Abstract
    In 1988 and 1989 we monitored the fish terminal of Pucusana, central Peru, for 259 and 233 days respectively, and observed 1,613 and 1,292 small cetaceans landed. The estimated total yearly kills (1988/1989) at this port are 2,289 (SE=130) and 2,320 (SE=117) animals, including 1,725/1,893 dusky dolphins, 383/331 Burmeister's porpoises, 155/57 common dolphins, 18/31 bottlenose dolphins and 8/8 specimens of other species. With few exceptions, the animals were captured incidentally or directly in gillnets in a multispecies artisanal fishery (only about twelve animals were seen with harpoon wounds). The total kill at Pucusana in 1989 had increased roughly by a factor of three compared to 1986 levels and tenfold compared to 1985. A shift was observed in seasonality of peak landings of dusky and common dolphins. Catch estimates for another port, Cerro Azul (13°00’S), are 68 (SE=17) dolphins and porpoises in December 1987 and 131 (SE=47) in July 1988. Analysis of statistics provided by the Ministry of Fisheries (MIPE) suggest a steady decline in small cetacean catches for the entire coast of Peru, from an estimated 9,700 animals (756 metric tonnes) in 1985 to 5,500 (426 metric tonnes) in 1988; the reason for this is unknown since the trend in artisanal fishing effort associated with cetacean mortality cannot be deduced from existing data. There is an urgent need to continue and expand research in the area.

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