Resultados de la búsqueda
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Analisis de los censos de Arctocephalus gazella efectuados en el sitio de especial interes cientifico no. 32, Isla Livingston, Antarctica
in Viña del Mar (Chile) in August 1992, the information about four complete censuses on the Antarctic ... with the purpose to clarify its population size, between the Antarctic seasons 1965-66 and 1991-92. The ... results show that the population size of this species, in the study area increased during 26 years, form ... that future censuses carry out in the Cape Shirreff also include the breeding colonies of San Telmo ...
Meeting Document : WG-CEMP-93/24 : Autor(es): A. Aquayo L. and D. Torres N. (Chile)
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An integrated stock assessment for the Kerguelen Island EEZ Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.1
of estimation. All model runs were conducted with the CASAL 2.30 2012-03-21 rev. 4648, that was ... fishery data up to the end of the season 2018/2019 (end of August 2019). The updated assessment model is ... ). It also uses commercial data that account for fish removals (fishing mortality and depredation) and ... assesment that was presented to WG-FSA 17 (Sinègre et al., 2017b), this assessment accounts for (1) updated ...
Meeting Document : WG-FSA-2019/58 : Autor(es): F. Massiot-Granier, G. Duhamel and C. Péron
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Preliminary review of Antarctic toothfish maturity in the Ross Sea
was established that in the period of fishing, females and males with gonads at maturity stage III ... oocytes of the nearest spawning season that comprise the smallest proportion of total sex cells. The ... individual absolute fecundity was 0.33 million eggs, relative fecundity –29 eggs per g. It is suggested that ... spawning takes place from June to August. By the histological data 7-40% females had prespawning ovaries ...
Meeting Document : WG-FSA-11/27 : Autor(es): S.V. Piyanova and A.F. Petrov (Russia)
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An integrated stock assessment for the Crozet Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Subarea 58.6
CCAMLR area. All model runs were conducted with the CASAL 2.30 2012-03-21 rev. 4648, that was agreed on ... (Dissostichus eleginoides) fishery of the Crozet Islands, CCAMLR sub-area 58-6, with data up to the end of the ... season 2018/2019 (End of August 2019). This updated assessment model is based on the best available data ... data that account for fish removals (fishing mortality and depredation) and support the estimation of ...
Meeting Document : WG-FSA-2019/57 Rev. 1 : Autor(es): F. Massiot-Granier, G. Duhamel and C. Péron
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Observation of fishing operation and distributional behaviour of krill on a krill trawler off Wilkes Land during the 1985/86 season
judge the towing direction. Size of fished swarms ranged from 100 m to 10 km with different distribution ... was thought to be a good index to measure abundance of concentration. Comparison of such index across ... time and space may have difficulties in standardization when data from different vessels are to be used ... . Author(s): T. Ichii (Japan) Title: Observation of fishing operation and distributional behaviour of ...
Meeting Document : SC-CAMLR-VI/BG/35 : Autor(es): T. Ichii (Japan)
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Seabird by-catch by tuna longline fisheries off southern Africa, 1998–2000
, seabird bycatch rates were high, with a mean of 1.6 birds killed per 1 000 hooks. Japanese vessels (1 ... 600 hooks (0.01 birds per 1 000 hooks). Shy Thalassarche cauta, black-browed T. melanophris and yellow ... -nosed T. chlororhynchos albatrosses, and white-chinned petrels Procellaria aequinoctialis were killed ... most frequently. Based on 1998–1999 fishing effort, simple extrapolation suggests that 19 000–30 000 ...
Meeting Document : WG-FSA-01/28 : Autor(es): P.G. Ryan, D.G. Keith and M. Kroese (South Africa)
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Estimates of global krill abundance based on recent acoustic density measurements and their implications for the calculation of precautionary catch limits and the designation of management areas
that used in the past. The seasonal and local consequences of elevated catch limits will have to be ... statistical divisions as management areas will have to be considered. Author(s): S. Nicol, A. Constable and T ... between 64 and 137 million tonnes- at the low end of values that have been suggested in the past. The ... differences between our estimates and others can be explained by a number of factors such as: an ...
Meeting Document : WG-EMM-99/22 : Autor(es): S. Nicol, A. Constable and T. Pauly (Australia)
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Results of the research for the exploratory longline fishery for Dissostichus spp. in SSRUs C and E in Division 58.4.1 in 2012/13 of Korea
vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data and ... results mentioned above, reanalysis should be carried out with more data, information and samples. Author ... Pacific herring bait was higher than that for humboldt squid bait. The tagging rate was over 9.47 fishes ... item was fishes composing of 88.67% of frequency of occurrence with 65.00% by the numbers and 88.67% by ...
Meeting Document : WG-SAM-13/28 : Autor(es): I.J. Yeon, Y.J. Kwon, D.W. Lee, S.G. Choi, and K.J. Seok (Republic of Korea)
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Commercial krill fisheries in the Antarctic 1973–1988
(Euphausia superba) fishery between 1972/73 and 1987/88. With time the annual krill catch rose gradually to a ... 000t thereafter. Indications are that in terms of both catch and effort the Soviet and Japanese ... 48.3 when fishing is predominantly confined to the winter months (April to August). Trends in the ... fishery with respect to independent estimates of krill abundance and minke whale (Baleonoptera ...
Meeting Document : SC-CAMLR-VIII/BG/11 : Autor(es): Delegation of South Africa
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Using production models to assess the stock of Paralomis spinosissima around South Georgia Island
removals should not be greater than the number of crabs that recruit to the fishery during the course of a ... (TAC) for the 1993/94 crab fishery. An optimal TAC was determined to be about 300 t. However, this TAC ... x 10-7 ≤ q ≤ 9.49 x 10-7) ≈ 0.95; and Pr(0.00804 ≤ a ≤ 0.00890) ≈ 0.95. Assuming that fishery ... histograms were constructed and showed that growth was probably not the primary recruitment mechanism. Since ...
Meeting Document : WG-FSA-93/23 : Autor(es): George Watters (USA)