Resultados de la búsqueda
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Variation in standing stock of the mackerel icefish Champsocephalus gunnari at South Georgia
Abstract: 1. Bottom trawl surveys on the South Georgia shelf indicate episodic declines in the ... abundance of the mackerel icefish Champsocephalus gunnari that, since 1990, are not directly attributable to ... commercial fishing. 2. The greatest effect has been observed in years when krill are known to have been ... scarce on the South Georgia shelf. 3. It is thought that C. gunnari survivorship is closely related to ...
Meeting Document : WG-FSA-99/63 : Autor(es): I. Everson, G. Parkes (United Kingdom), K.-H. Kock (Germany) and I. Boyd (United Kingdom)
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ANALYSIS OF ICE-FISH (CHAMPSOCEPHALUS GUNNARI) SPATIAL DISTRIBUTION FOR OPTIMIZATION OF THE BOTTOM TRAWL SURVEY SAMPLING
Abstract: Acoustic and trawl samples obtained in the near-bottom layers covered by bottom trawl ... surveys in the South Georgia area are analyzed. The high heterogeneity of horizontal and vertical fish ... distribution in the near-bottom layers within the surveyed area is shown. Influence of this fish distribution ... heterogeneity on trawl surveys efficiency and reliability is analyzed by simulating the impact on fish biomass ...
Meeting Document : WG-SAM-09/20 : Autor(es): S.M. Kasatkina (Russia)
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FURTHERING IMPLEMENTATION OF NETWORKS OF MPAS IN ANTARCTICA AND THE SOUTHERN OCEAN
Abstract: In this paper ASOC makes the case for CCAMLR to move swiftly to begin the process of ... reserves in the Southern Ocean. Recent progress on the global agenda to implement of marine protected areas ... on the high seas is discussed to inform and spur action. This process should be informed by extensive ... information from within CCAMLR, the Madrid Protocol and other international bodies to inform decisions on ...
Meeting Document : CCAMLR-XXVII/BG/26 : Autor(es): Submitted by ASOC
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A brief exploitation of the stone crab Lithodes murrayi (Henderson) off south west Africa, 1979/80
Abstract: The stone crab Lithodes murrayi was exploited briefly off South West Africa between ... November 1979 and April 1980, the fishery being terminated when the catch per unit effort fell to an ... uneconomic level. The extent of the L. murrayi grounds is examined on the basis of catch-per-unit-effort data ... . The species is largely confined to a bathymetric corridor of 500–700 m off South West Africa. Prior to ...
Meeting Document : WS-CRAB-93/21 : Autor(es): R. Melville-Smith (South Africa)
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Can acoustic methods be used to monitor grenadier (Macrouridae) abundance in the Ross Sea region?
Abstract: Grenadiers Macrourus spp. are the main bycatch species in the exploratory longline ... fishery for toothfish Dissostichus spp. in the Ross Sea, Antarctica. Ongoing monitoring tools are needed ... to assess stock status of grenadiers in the Ross Sea and to ensure ecological relationships are ... survey in February–March 2008 provide evidence that single targets close to the bottom over the Ross Sea ...
Meeting Document : WG-FSA-12/P11 : Autor(es): R.L. O’Driscoll, S.M. Hanchet and B.S. Miller
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Revised research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.2 in 2014/15
Abstract: The stock size for a research block (5842_1) was estimated by the CPUE x seabed analogy ... method using updated CCAMLR C2 data and reference area sizes. As we proposed at the last WG-SAM meeting ... to estimate appropriate catch limit, we propose to continue the current research operation for at ... least 3 years with the same sample size as decided at the last CCAMLR meeting in the current research ...
Meeting Document : WG-FSA-14/19 : Autor(es): Delegation of Japan
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Progress report 4: Proposal for GEF (Global Environment Facility) funding to support capacity building in the GEF-eligible CCAMLR Members
Abstract: In 2014, the Scientific Committee endorsed a proposal from South Africa that the ... Secretariat be tasked with developing a proposal for funding support from the Global Environment Facility to ... . This includes the approval of the Project by the GEF Council at its meeting in May 2017, subsequent ... work that will be associated with developing the full Project Document over the next 12 months and ...
Meeting Document : WG-EMM-17/46 : Autor(es): CCAMLR Secretariat
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Protocols for trawl sampling, recording of biological data, and hydrography for the 2019 International synoptic krill survey in Area 48
the CCAMLR 2000 Survey has demonstrated that standardization of equipment and methods is one of the ... most crucial steps for any successful work during the field sampling period and later analytical work ... . The following net sampling and laboratory protocols are based on the protocols developed for the ... CCAMLR 2000 Survey. The aim is to facilitate a joint understanding of the field and laboratory work in ...
Meeting Document : WG-EMM-18/23 : Autor(es): T. Knutsen, B. Krafft, A. Renner, G. Skaret, G.J. Macaulay and O.A. Bergstad
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Detection of anti-brucella antibodies in pinnipeds from the Antarctic Territory
Abstract: This paper describes the first detection of Brucella sp. antibodies in seals from the ... weddellii) sera were tested by the Rose Bengal test (RBT), complement fixation test (CFT), immunodiffusion ... (AGID) and c-ELISA. Antibodies against Brucella sp. were detected with the RBT, the CFT and the c-ELISA ... in six of the seventeen samples involving the two animal species. It is concluded that a Brucella sp ...
Meeting Document : WG-EMM-01/46 : Autor(es): P. Retamal, O. Blank, P. Abalos and D. Torres (Chile)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1992 winter and 1992/93 pup-rearing season
the third consecutive winter and fifth consecutive summer at Bird Island, South Georgia. In the 1992 ... winter an unprecedented number of 97 entangled seals were seen, a ten-fold increase on the previous two ... males, the main element of the population seen ashore at Bird Island at this time of year. In the summer ... usual. Otherwise, the nature of the entangling debris (50% packaging bands, 25% fishing net), the ...
Meeting Document : SC-CAMLR-XII/BG/06 : Autor(es): Delegation of United Kingdom