Résultats de la recherche
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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
Paper Title: Alternative methods for determining subarea or local area catch limits for krill in ... precautionary catch limit on krill (Euphausia superba) in Statistical Area 48. The measure also implies an ... application in future of precautionary limits to subareas or local areas of this area. Nine alternative ... current fishing patterns; and (vi) the potential for delay in implementing the alternative. An alternative ... Penguins in the South Shetland Islands, Antarctica. British Antarctic Survey Bulletin, 81: 19-30. 247 ... single year. Then, for the following two years, that subarea would be closed to fishing. For example, if ... SUBAREA OR LOCAL AREA CATCH LIMITS FOR KRILL IN STATISTICAL AREA 48 G. Watters and R.P. Hewitt ... (Euphausia superba) in Statistical Area 48. The measure also implies an application in future of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Auteur(s): Watters, G. and R.P. Hewitt
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Catch per unit effort and proportional recruitment indices from Japanese krill fishery data in Subarea 48.1
fishery data in Subarea 48.1 Abstract / Description: Proportional recruitment indices and CPUE in Subarea ... . CPUE (catch/towing volume) in the Livingston Island area showed a decreasing trend during the study ... period. The use of different fishing strategies in response to a demand for higher product quality and a ... general decrease in krill density in the study area were considered as possible reasons for this. On the ... . They showed peaks around the 1980/81, 1981/82 and 1985/86 year classes, and low values in between ... testing Log1,CPUE versus year in both areas. The results of the test showed a significant negative trend ... results, discrepancies in proportional recruitment from two year classes were observed between our study ... and Siegel et al. (1997). In the case of the 1991/92 year class, our calculation resulted in higher ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 47–63 : Auteur(s): Kawaguchi, S., T. Ichii and M. Naganobu
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RECENT POPULATION ESTIMATES AND TRENDS IN NUMBERS OF ALBATROSSES AND GIANT PETRELS BREEDING AT THE SUB-ANTARCTIC PRINCE EDWARD ISLANDS
Edward Island, mirroring a decrease of roughly 2% per year at Marion Island from 1998 to 2005, a decline ... have remained stable, whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 ... (3% per year). The estimate of Indian yellow-nosed albatrosses T. carteri at Prince Edward Island was ... similar in 2001 and 2008. Counts of both sooty albatrosses Phoebetria spp. were substantially higher at ...
Meeting Document : WG-EMM-10/P4 : Auteur(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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Recent population estimates and trends in numbers of albatrosses and giant petrels breeding at the sub-Antarctic Prince Edward Islands
Edward Island, mirroring a decrease of roughly 2% per year at Marion Island from 1998 to 2005, a decline ... have remained stable, whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 ... (3% per year). The estimate of Indian yellow-nosed albatrosses T. carteri at Prince Edward Island was ... similar in 2001 and 2008. Counts of both sooty albatrosses Phoebetria spp. were substantially higher at ...
Meeting Document : WG-EMM-10/P04 : Auteur(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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Aerobic dive limit: how often does it occur in nature?
animal is it’s aerobic dive limit (ADL). The ADL has only been measured in a few species. The goal of ... constraint in their everyday behaviors. An important component of the physiological capability of any diving ... within the cADL. In contrast, many individuals of both sea lion species exceeded the cADL, some by ... with the dive pattern of individual animals. In both Antarctic Fur Seals and Australian sea lions ...
Meeting Document : WG-EMM-00/48 : Auteur(s): D.P. Costa, N.J. Gales and M.E. Goebel (USA)
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A statistical method for analysing the extent of IUU fishing in CCAMLR waters: application to Subarea 48.3
incident. 5. Three years were analysed, 1998/99, 1999/00 and 2000/01. Each year covered fully the period 1 ... used previously to estimate IUU activity in CCAMLR. We recommend its continued use in Subarea 48.3 and ... to South Georgia covers all possible areas of fishing for toothfish in Subarea 48.3. The method uses ... data from FPV cruises in Subarea 48.3, and the encounters between FPVs and IUU fishing activity, to ...
Meeting Document : WG-FSA-02/4 : Auteur(s): D.J. Agnew and G.P. Kirkwood (United Kingdom)
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Cephalopod research in the Antarctic
Paper Title: Cephalopod research in the Antarctic Abstract / Description: Cephalopods are a ... policy for management of Antarctic cephalopods. In view of the rapidity that cephalopod fisheries can ... data in turn may be useful, in the future, for predicting year class strength of exploited species ... successfully raised in rabbits and testing is being carried out for cross reactions with other pelagic ... - 323 - CEPHALOPOD RESEARCH IN THE ANTARCTIC P.G ... cephalopods. In view of the rapidity that cephalopod fisheries can develop there is need for co-ordinated ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Auteur(s): Rodhouse, P.G.
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Detection of anti-brucella antibodies in Weddell seals (Leptonychotes weddellii) from Cape Shirreff, Antarctica
de Medicina Preventiva Animal, Facultad de Ciencias Veterinarias y Pecuarias of the Universidad de ... immunoassay: Compelisa®?(Veterinary Laboratories Agency, UK) and c-ELISA (FAO/IAEA, 1994). In five of the ... bacteria of the genus Brucella in L. weddellii and point out the necessity of complementary studies to know ... the etiology and their infection epidemiology in this region of the world. Author(s): O. Blank, P ...
Meeting Document : WG-EMM-01/48 : Auteur(s): O. Blank, P. Retamal, P. Abalos and D. Torres (Chile)
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INTERACTIONS OF PATAGONIAN TOOTHFISH FISHERIES WITH KILLER AND SPERM WHALES IN CROZET EXCLUSIVE ECONOMIC ZONE: AN ASSESSMENT OF DEPREDATION LEVELS AND INSIGHTS ON POSSIBLE MITIGATION SOLUTIONS
longline fishery is exposed to high levels of depredation by killer and sperm whales. In this context, this ... year period we estimated a total loss of 1200 tons of Patagonian toothfish due to depredation which ... the largest part of this loss (70%) while sperm whales had a lower impact (30%). Photo-identification ... belonging to four different pods were involved in 81.3% of the interaction events. We also estimated that a ...
Meeting Document : WG-IMAF-09/12 : Auteur(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet (France)
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PRELIMINARY REPORT OF THE NEW ZEALAND RV TANGAROA IPY-CAML SURVEY OF THE ROSS SEA REGION, ANTARCTICA IN FEBRUARY-MARCH 2008
Ross Sea region in support of the International Polar Year Census of Antarctic Marine Life (IPY-CAML ... 30 years, a total of 282 gear deployments were made at 39 sites covering a wide range of habitats ... trawls, seabed cameras, sleds, and corers were deployed in each habitat to obtain samples for a broad ... will also contribute to work being carried out on the biodiversity and bioregionalisation in the ...
Meeting Document : WG-EMM-08/18 : Auteur(s): S.M. Hanchet, J. Mitchell, D. Bowden, M. Clark, J. Hall, R. O’Driscoll, M. Pinkerton and D. Robertson (New Zealand)