Résultats de la recherche
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ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CATCH AND CPUE DATA
toothfish stock biomass in the Ross Sea. As a result of implementation of an age-structured and a dynamic ... Abstract: An attempt to use reported catch and CPUE data based on data of observers in the ... assessment of Antarctic toothfish stock in Division 58.4.1 is made. Unlike some previous results obtained for ... of carrying capacity for this stock is found to be about 29000 t. Initial stock biomass is estimated ...
Meeting Document : WG-FSA-09/14 Rev. 1 : Auteur(s): D. Vasilyev, K. Shust, A. Petrov, V. Tatarnikov and I. Istomin (Russia)
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Chapter 3: Role of CCAMLR within the Antarctic Treaty System
debris and there is a proposal for a second joint SC-CAMLR–CEP workshop on climate change in 2023 ... giving effect to these recommendations, the Panel offered the following ideas for the consideration of ... delegates – at a working level – to identify opportunities for coordination and cooperation on matters of ... Antarctic Treaty Secretariat. (2020, 2021) The CCAMLR Chair and Executive Secretary attended ATCM in 2020 ...
Page : Site Section: The Organisation
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Growth rates of Antarctic fur seals as indices of environmental conditions
mass at age in each year compared to the multi-year mean, that was not dependent on assumptions of ... population available for sampling appear to invalidate the widely held assumption that inter-annual ... growth rates in years of low krill availability. Biases reflecting changes in the component of the ...
Meeting Document : WG-EMM-01/20 : Auteur(s): K. Reid (United Kingdom)
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Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean
ARLEQUIN ver. 2.000. FST (an inbreeding coeffi cient) is an estimate of the pro- portion of genetic ... differentia- tion). The overall mtDNA results did not provide any evidence for an association between geo ... fi sh had been at liberty for 0.7 to 3.8 years, demonstrating that under some circumstances D ... was attributable to differences among, rather than within, fi shing loca- tions. However, an earlier ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Auteur(s): Appleyard, S.A., R. Williams and R.D. Ward
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Report of the 1995/96 Japanese Whale Research Programme Under Special Permit in the Antarctic (JARPA) in Area IV and eastern part of Area III
eastern part of Area In (south of 60° S between 35°E and 70°E). The survey was conducted for 118 days ... , and samples were taken during an early and late period of the feeding season in order to study intra ... -seasonal changes. During the sampling, one animal was taken randomly from schools sighted as primary ... , along an independent sighting track line. Sighting and sampling activities were independently conducted ...
Meeting Document : WG-EMM-96/48 : Auteur(s): Yuzu, S., Ishikawa, H., Mogoe, T., Kawasaki, M., Hishii, T., Shimamoto, K., Tohyama, D., Nibe, H., Taguchi, F., Hidaka, H., Ono, K., Yamashiro, K., Yoshida, T., Tamura, T., Nishiwaki, S.
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Annual variation in the timing of reproduction in Antarctic fur seals (Arctocephalus gazella) at Bird Island, South Georgia
other year. Female arrival, estimated by pup birth date where necessary, was highly synchronous: it ... usually started when 80% or more of potential territory sites were occupied by males. Cows arrived ... , which is less synchronous within years than female arrival, was significantly later in 1987 than in any ...
Meeting Document : WG-CEMP-90/39 : Auteur(s): C.D. Duck (United Kingdom)
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CCAMLR-IWC-WS-08
the CCAMLR-IWC Workshop CCAMLR-IWC-WS-08/02 CCAMLR-IWC Workshop to review input data for Antarctic ... Report of review group of data sources on odontocetes in the Southern Ocean in preparation for IWC/CCAMLR ... ., Pshenichnov, L., Barrera-Oro, E. CCAMLR-IWC-WS-08/10 Review of input data for Antarctic ecosystem models ... Expert Group Report to the CCAMLR-IWC Workshop to Review Input Data for Marine Ecosystem Models, Hobart ...
Meeting
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WG-EMM-98
): Monday, 10 August 1998 to Thursday, 20 August 1998 Submissions Due: Monday, 27 July 1998 Meeting ... documents Doc Number Title WG-EMM-98/01 Provisional and Annotated Provisional Agenda for the 1998 Meeting of ... -EMM-98/06 Development of standard methods for environmental data Secretariat WG-EMM-98/07 Rev. 1 ... Report on fine-scale krill data for the 1996/97 season Secretariat WG-EMM-98/08 Status and trends of ...
Meeting
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Fishery Report: Dissostichus eleginoides South Sandwich Islands (Subarea 48.4)
Subarea 48.4. Fishing is limited to the area between latitudes 55°30'S and 57°20'S and longitudes 25°30 ... 'W and 29°30'W (box). 1.1 Reported catch 6. Licensed longline vessels commenced fishing for D ... Dissostichus eleginoides by longline only. Fishing limited to area bounded by latitudes 55°30'S and 57°20'S ... and by longitudes 25°30'W and 29°30'W. Revise Catch limit Precautionary catch limit for D ...
Document : Site Section: Publications
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Management of C. gunnari in Subarea 48.3
ecosystem than we have at present. There is therefore a need for an interim approach to setting ... precautionary catch limits for this fishery. An approach based on the general yield model is described, which ... fisheries and research surveys leading to estimates of stock biomass. An extension of this scheme would use ... can be used to calculate an appropriate proportion of an estimate of Bo which could be taken by ...
Meeting Document : WG-FSA-97/38 : Auteur(s): Kirkwood, G.P., Parkes, G.B., Everson, I., Agnew, D.J.