Resultados de la búsqueda
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2017/18
Abstract: The Amundsen Sea region toothfish fishery has been operating since 2003. In 2015, a ... biological characterisation of the fishery shows a truncation of the right-hand limb of the age distribution ... toothfish in the ASR be made a priority to develop annual age-length keys and age frequencies. We further ... survival and tag detection by individual vessels) can be applied: 882H: 177 t based on a one-year Chapman ...
Meeting Document : WG-FSA-18/36 : Autor(es): S. Mormede and S. Parker
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Estimating the biodiversity of the shelf and oceanic zone of the d’Urville Sea (East Antarctica) for ecoregionalisation using the CEAMARC (Collaborative East Antarctic Marine Census) CAML surveys
Abstract: A proposal for a representative system of MPAs (RSMPA) for eastern Antarctica (CCAMLR ... studied by a number of countries in the CEAMARC surveys (Collaborative East Antarctic Marine Census) as ... part of the Census of Antarctic Marine Life. This report details some of the outcomes of a workshop ... and other studies to provide a detailed ecological picture of this area and to further evaluate this ...
Meeting Document : WS-MPA-11/07 : Autor(es): P. Koubbi (France), G. Hosie, A. Constable, B. Raymond (Australia), M. Moteki (Japan), N. Améziane, R. Causse (France), V. Fuentes (Spain), K. Heerah, F. Penot, D. Vincent, A. Ancel, C.A. Bost, M. Eléaume (France), D. Lindsay (Japan), M. Lindsay (Australi
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INFORMATION ON ILLEGAL FISHING IN STATISTICAL AREA 58 ASSESSMENT OF ILLEGAL FISHING IN FRENCH WATERS AROUND KERGUELEN AND CROZET ISLANDS REPORT OF OBSERVATIONS AND INSPECTIONS IN THE CCAMLR AREA 2009/2010 SEASON (1 JULY 2009 – 15 AUGUST 2010)
to fight illegal fishing in the EEZs of the French Antarctic Territories uses both a maritime ... component and satellite technology. A satellite radar surveillance system has been in operation since ... . The French Navy makes available a dedicated patrol vessel and surveillance frigates carrying ... helicopters. The Osiris, a patrol vessel for the Department of Maritime Affairs, originally an illegal fishing ...
Meeting Document : CCAMLR-XXIX/44 : Autor(es): Delegation of France
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Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot
Abstract: Antarctic krill (Euphausia superba) aggregate in various ways depending on a range of ... spawning state is not well described or understood. In the present study, a krill fishing vessel during ... regular operation was used as a platform for frequent collection of biological data to investigate krill ... a 75 km strip on the shelf edge northwest of the South Orkney Islands. The study was carried out ...
Meeting Document : WG-EMM-14/15 : Autor(es): B.A. Krafft, G. Skaret and T. Knutsen (Norway)
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Synopsis of CEMP and non-CEMP predator parameters from Admiralty Bay and Cape Shirreff, South Shetland Islands, Antarctica: their relationships to krill abundance and ice cover, 1978–2003
Abstract: A suite of CEMP and non-CEMP parameters collected at Admiralty Bay and Cape Shirreff ... . Results of the analyses are presented in a series of 6 Tables, following the outline of a Draft paper by ... K.Reid for similar analyses at South Georgia. The tabular data include: 1. Table 1. A list of the penguin ... . Characteristics of the predator performance indices. 4. Table 4. A linear regression of the relationships between ...
Meeting Document : WG-EMM-03/61 : Autor(es): W.Z. Trivelpiece (USA), K. Salwicka (Poland) and S.G. Trivelpiece (USA)
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DEFINING TAG RATES AND TACS TO OBTAIN SUITABLY PRECISE ABUNDANCE ESTIMATES FOR NEW AND EXPLORATORY FISHERIES IN THE CCAMLR CONVENTION AREA
Abstract: This paper outlines a method of calculating suitable tagging rates and total allowable ... catches (TACs) that would be expected to yield a pre-specified precision in a resultant abundance estimate ... . With respect to the tagging-based abundance estimator, we use the Lincoln-Petersen method and derive a ... be extremely useful in terms of defining suitable catch levels and tagging rates required to obtain a ...
Meeting Document : WG-SAM-08/06 : Autor(es): R.M. Hillary (UK)
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An underwater setting method for surface longliners, to minimise the accidental/incidental capture of seabirds
Abstract: The accidental/incidental capture of seabirds by longline gear may be causing a ... . In response to the sea bird problem, the New Zealand Department of Conservation funded a programme in ... 1996 to develop a device to set baits underwater on commercial longliners. Trials on two U tube devices ... bait to the setting depth, however a backward facing U tube succeeded in flushing the bait on all ...
Meeting Document : WG-FSA-97/53 : Autor(es): Walshe, K.A.R., Parnes, P.
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Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4
Abstract: A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... 48.4; A total of 186 D. eleginoides and 202 D. mawsoni were tagged and released in 2010, leaving a ... total of 794 tagged fish in the water, respectively. A total of 13 D. eleginoides and 22 D. mawsoni were ... and rajids again dominated bycatch, comprising 15.4% and 1.2% of toothfish catch, respectively. A ...
Meeting Document : WG-FSA-10/40 : Autor(es): J. Roberts and D. Agnew (UK)
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Estimating the biodiversity of the sub-Antarctic Indian part for ecoregionalisation: Part I. Pelagic realm of CCAMLR areas 58.5.1 and 58.6
methodology: (1) a taxonomic approach based on communities only, (2) a physiognomic approach used for the ... bioregionalisation of the Southern Ocean based on abiotic and chlorophyll- a characteristics of the habitat only, and ... (3) a mixed approach, we called “ecoregionalisation”, which includes taxonomic, ecological and ... physiognomic data. The mixed approach is a relatively new method and is demonstrated on mesopelagic fish here ...
Meeting Document : WS-MPA-11/10 : Autor(es): P. Koubbi (France), P.A. Hulley (South Africa), B. Raymond (Australia), F. Penot, S. Gasparini, J.P. Labat, P. Pruvost (France), S. Mormède (New Zealand), J.O. Irisson, G. Duhamel and P. Mayzaud (France)
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UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA
-length proportions were retained but for a given fishery the same age-specific selectivity function and ... . Effective sample sizes for the commercial catch-at-age proportions, assuming a multinomial distribution, and ... the coefficient of variation (CV) for the abundance-at-age, assuming a lognormal distribution, each ... ageing error. CASAL allows a single ageing error matrix to be defined and applies this matrix to ...
Meeting Document : WG-SAM-09/09 : Autor(es): S.G. Candy (Australia)