Resultados de la búsqueda
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Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys
in EMM-15 that an analysis of historical cetacean surveys in IWC Area II could provide a context for ... abundance of whales in relevant subareas for krill management, and the second is on the concentration of ... of Antarctic sighting cruises for whale assessment purposes organized by the International Whaling ... . CPI, CPII and CPIII data in Subarea 48.1 corresponded to years 1982/83, 1989/90 and 1993/94+1999/00 ...
Meeting Document : WG-EMM-16/26 : Autor(es): L.A. Pastene and T. Hakamada
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Observation on interactions between marine mammals and krill mid-water trawl
Abstract: An observation on the interaction between marine mammal and krill midwater trawl was ... carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season. The ... underwater and on sea surface observations were both deployed. Although large numbers of Antarctic fur seal ... seals. Future researches on the interaction between marine mammals and krill fishing gears would be ...
Meeting Document : SC-CAMLR-38/BG/20 : Autor(es): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves
could be used when analysing krill aggregations' distribution and density for the period of years ... temperature, while in other years (1980, 1981) the layer temperature was negative. The second year type (1979 ... between the same. Two year types were revealed in the area of South Orkney Isls. Availability of a warmed ... Abstract: Basing on the analysis of major water mass boundaries and their thermochaline ...
Meeting Document : WG-EMM-00/34 : Autor(es): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)
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Use of a population model to assess the impact of longline fishing on wandering albatross populations
Abstract: An age-structured model of a wandering albatross Diomedea exulans population is ... investigate the potential impacts of new longline fisheries such as that for Patagonian toothfish Dissostichus ... time lag of 5-10 years before further decreases in population numbers are reflected in the breeding ... population. Also, because wandering albatrosses are long-lived, population growth rates take approximately 30 ...
Meeting Document : WG-IMALF-94/08 : Autor(es): Coleen L. Moloney, John Cooper, Peter G. Ryan and W. Roy Siegfried (South Africa)
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On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model
adults and sub-adults, with different survival rates for these two groups. Broadly speaking, the sub ... is unable to achieve compatibility with survival rate data for the Antarctic fur seal coupled to an ... split of the overall density dependence effect between the first year and following sub-adult years of ... . This solution brings with it new problems, however, in that two further parameters need to be specified ...
Meeting Document : WG-EMM-95/39 : Autor(es): Butterworth, D.S., Thomson, R.B.
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On the problem of Soviet krill fishery allocation and intensity in the area of Elephant Island in the season of 1988-1989
. Though the catch of the USSR in the above-mentioned season reached maximum, the total fishery intensity ... for the last 9 seasons was low and only 1 standard vessel operated in the area during 40% of the ... the scheme: 1) vessels enter the Elephant Island area and search for krill concentrations; 2) fishing ... periods showed that fleet operation areas in general overlap the minor part of foraging zones for animals ...
Meeting Document : WG-CEMP-92/30 : Autor(es): V.A. Sushin and A.S. Myskov (Russian Federation)
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Lista de las medidas de conservación vigentes en la temporada 2009/10
) .................................. 15 Anexo 10-04/A ............................................................................ 20 ... . . ......................... 25 Anexo 10-05/A ............................................................................ 30 ... de la pesca dirigida a Dissostichus eleginoides en la División estadística 58.5.2 al este de 79º20 ... 'E y fuera de la ZEE al oeste de 79º20'E....................................................... 117 MEDIDA ...
Document : Site Section: Publications
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Reports of CCAMLR inspectors submitted in accordance with the CCAMLR System of Inspection for 1999/2000
for 1999/2000 Approval: Approved ... Reports of CCAMLR inspectors submitted in accordance with the CCAMLR System of Inspection for 1999 ...
Meeting Document : SCOI-00/03 Addendum
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Population and survival trends of wandering albatrosses (Diomedea exulans) breeding on Macquarie Island
last 40 years has increasingly focused on their conservation status. Demographic trends of the ... than 20 breeding pairs. Most breeding birds in this small population are banded and monitoring over the ... with information from an intensive demographic study conducted between 1994 and 2003. Annual breeding ... fishing effort in the eastern Indian Ocean. Breeding numbers slowly increased on Macquarie Island through ...
Meeting Document : WG-FSA-04/50 : Autor(es): A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia)
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A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea based on data from predators
mainly target species from two families, Loliginidae and Ommastrephidae. Fisheries for the latter have ... of two years and a circumpolar distribution, but its biology and ecology are still virtually unknown ... the Scotia Sea based on data from predators Abstract / Description: Cephalopod fisheries world-wide ... Martialia hyadesi; will be attempted in the future. This squid is an important component of the diet of ... 51 400 tonnes. M. hyadesi probably has a life span of two years and a circumpolar distribution, but ... OF THE OMMASTREPHID SQUID MARTIALIA BY ADESI IN THE SCOTIA SEA BASED ON DATA FROM PREDATORS· P.G ... . Rodhouse** Abstract Cephalopod fisheries world-wide mainly target species from two families ... , Loliginidae and Ommastrephidae. Fisheries for the latter have been characterized by dramatically fluctuating ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 479–480 : Autor(es): Rodhouse, P.G.