Resultados de la búsqueda
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Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data
Abstract: Antarctic and Patagonian toothfish stocks in the Antarctic have been assessed within ... time as more years’ data becomes available. The 2009 stock assessment of Antarctic toothfish in the ... Ross Sea region was used as the working model. The 2009 stock assessment of Antarctic toothfish in ... on a smaller and shorter data set. In both instances the ‘base case’ model was used, i.e., the models ...
Meeting Document : WG-SAM-11/17 : Autor(es): S. Mormede (New Zealand)
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Krill fishery report: 2006 update
Abstract: This report on the krill fishery in Area 48 has been prepared in a format similar to ... the “Fishery Reports” developed by WG-FSA in 2004. As reported to the CCAMLR Secretariat, 7 vessels ... from 5 Contracting Parties are fishing for krill in Area 48 in the 2005/06 season, and these vessels ... 127035 t of krill reported in the STATLANT data for 2004/05. All fine-scale data from Korea for 2004/05 ...
Meeting Document : WG-EMM-06/5 : Autor(es): Secretariat
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COMPARATIVE CHARACTERISTICS OF PATAGONIAN (DISSOSTICHUS ELEGINOIDES) AND ANTARCTIC (D. MAWSONI NORMAN) TOOTHFISH INHABITING DIFFERENT SECTORS OF THE SOUTHERN OCEAN
spatial and vertical distribution of two toothfish species during their whole life cycle, changes in food ... of these parameters revealed essential differences in food spectra both at the first pelagic stage of ... larger on the average than in the area of Kerguelen Archipelago (58.5.1.) (Posters 1 and 2). In turn ... , Antarctic toothfish individuals in the seas of Indian Sector (58.4) are larger than in the Pacific Ross Sea ...
Meeting Document : WG-FSA-09/24 : Autor(es): K.V. Shust, I.P. Zarikhin, I.G. Istomin, A.F. Petrov, V.A. Tatarnikov and N.S. Demina (Russia)
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Has Notothenia rossii around Elephant Island and the lower South Shetland Islands (Subarea 48.1) recovered from exploitation some 30 years ago?
fishing in the Southern Ocean. The species has been heavily fished around South Georgia and Iles Kerguelen ... in the first half of the 1970’s and at Elephant Island in 1979/80. The closure of the fishery for ... Antarctic Marine Living Resources (CCAMLR)’ adopted in 1985. Fish biomass within a CCAMLR Subarea or ... simultaneously in the same survey. Surveys are conducted under the assumption that the target fish species are ...
Meeting Document : WG-FSA-12/19 : Autor(es): K.-H. Kock (Germany) and C.D. Jones (USA)
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Congruent, decreasing trends of Gentoo Penguins and Crozet Shags at sub-Antarctic Marion Island suggest food limitation through common environmental forcing
] melanogenis breeding annually at Marion Island, one of South Africa’s Prince Edward Islands in the south-west ... between the mid-1990s and the mid-2000s, exhibited a partial recovery in the late-2000s and then decreased ... to their lowest recorded levels in 2012/13. In both instances, the partial recoveries in the late ... Shags are demersal feeders in inshore waters around Marion Island and there is considerable overlap in ...
Meeting Document : WG-EMM-14/P09 Rev. 1 : Autor(es): R.J.M. Crawford, B.M. Dyer, L. Upfold and A.B. Makhado
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SC-CAMLR work on Climate Change (Paper XP19 to CEP–SC-CAMLR Workshop 2016)
the impetus for work in the Scientific Committee on the effects of climate change, in order to provide ... , in a timely manner, the ‘best scientific evidence available’ on three issues Risks of climate change ... of fishing, or increasing the risk of invasive marine species in the CCAMLR area; Status of AMLR and ... conserve AMLR because the Reference State had changed; Requirements for adapting harvest strategies in the ...
Meeting Document : WG-EMM-16/71 : Autor(es): A. Constable
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RAPID WARMING OF THE OCEAN AROUND SOUTH GEORGIA,SOUTHERN OCEAN, DURING THE 20TH CENTURY: FORCINGS, CHARACTERISTICS AND IMPLICATIONS FOR LOWER TROPHIC LEVELS
20th century but there are few locations with data before the 1950s. In addition, assessments of change ... in this region are hampered by the strong seasonal bias in sampling, with the vast majority of data ... century summer temperatures peaked ~6 days earlier. To quantify the long-term warming trend in this highly ... -year period, a mean increase of ~0.9°C in January and ~2.3°C in August was evident in the top 100 m of ...
Meeting Document : WG-EMM-08/P03 : Autor(es): M.J. Whitehouse, M.P. Meredith, P. Rothery, A. Atkinson, P. Ward and R.E. Korb
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A comparison of two different methods to age mackerel icefish (Champsocephalus gunnari) at South Georgia
analysis have been compared in Champsocephalus gunnari using material collected around South Georgia during ... four Russian surveys in 1988, 1990, 2000 and 2002. Considerable differences in age estimates between ... held in Kaliningrad in 2005 and the exploration of methods in addition to CMIX are made to reconcile ... some of these differences in the future. Author(s): P. Gasyukov (Russia), K.-H. Kock (Germany) and ...
Meeting Document : WG-FSA-04/70 : Autor(es): P. Gasyukov (Russia), K.-H. Kock (Germany) and Zh.A. Frolkina (Russia)
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Geographical aspects of utilising resources of krill (Euphausia superba)
Abstract: This paper presents data on the distribution of E. superba in the Atlantic sector and ... . In a number of subregions on the periphery of the Weddell Gyre (both to the north and south), as well ... as in the coastal waters of the Antarctic continent, the formation of krill aggregations is variable ... in terms of location of individual aggregations. The main difficulty with starting up a fishery there ...
Meeting Document : WG-EMM-96/05 : Autor(es): Makarov, R.R.
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Review of some assumptions for modelling Patagonian toothfish dynamics at CCAMLR Subarea 48.3
Patagonian toothfish stock in CCAMLR Subarea 48.3 were available to the Working Group: CASAL and ASPM (WG-FSA ... -05/16; WG-FSA-05/73). Although the underlying basic age-structure population dynamics models in both ... cases were similar, there were considerable differences in assumptions and implementations of the two ... methods. In this paper, we discuss the related effects considering constant h parameter and deterministic ...
Meeting Document : WG-FSA-SAM-06/13 : Autor(es): A. Aubone, P.A. Martínez and O.C. Wöhler (Argentina)