Search results
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Selectivity of standard polish commercial trawl codends on Antarctic fishing grounds
Abstract: steelon codends used in commercial fishery, with a nominal mesh size A = 80 mm and A ... = 100 mm, made of double twines with a thickness of 4.2 mm. The studies covered 6 major fish species. 1 ... result of the application of webbing with permanently open meshes for codend construction. 4. The most ... difficult matter will be preparing a codend with proper selectivity properties for South Georgia icefish ...
Meeting Document : SC-CAMLR-VII/BG/11 : Author(s): J. Zaucha (Poland)
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Revised research plan for the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: Fundamentals and procedures (this is a revision of WG-SAM-12/13)
are proposed, a depletion experiment together with the tag of some specimens using the DeLury model ... achieving the objectives three study areas with high historical effort have been selected in different SSRUs ... with four different scenarios related to the extent of the area. The regression coefficients between ... achieving the objectives with this research plan is high. Author(s): R. Sarralde, L.J López ...
Meeting Document : WG-FSA-12/69 : Author(s): R. Sarralde, L.J López Abellán and S. Barreiro (Spain)
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Results from the groundfish survey conducted in CCAMLR Subarea 48.3 in January/February 2011
between the 27th January and 6th February 2011. 87 random hauls were completed, with good coverage across ... mean biomass of 49,353 tonnes was estimated for mackerel icefish, with a lower 1-sided 95% CL of 31,373 ... tonnes. Euphausiidae was the dominant prey item in the mackerel icefish diet with increased dietary ... Patagonian toothfish were greater than in 2009 and 2010, with a large haul of 40-45cm fish (1.6t) around Shag ...
Meeting Document : WG-FSA-11/29 : Author(s): J. Brown, S. Gregory, K. Brigden, R. Benedet, O. Hogg, P. Brewin and L. Featherstone (United Kingdom)
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Testing early life connectivity using otolith chemistry and particle-tracking simulations
), a species with a long pelagic larval phase, along the Antarctic Circumpolar Current (ACC) and ... compared the chemistry with simulated particle transport using a circulation model. Material laid down in ... Georgia consistent with a population boundary, and evidence of finer-scale heterogeneity between sampling ... eastern and northern shelves, indicating a single, self-recruiting population. Consistent with the otolith ...
Meeting Document : WG-FSA-10/P02 : Author(s): J. Ashford, M. La Mesa, B.A. Fach, C. Jones and I. Everson
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Multiyear changes in distribution and abundance of Salpa thompsoni in the Western Antarctic Peninsula region
characterized by a circumpolar distribution and its appearance is clearly associated with the occurrence of the ... analyses, coupled with environmental data, obtained both during sampling and from satellite data, allowed ... to prove that the distribution of salps was significantly correlated with water temperature and ... suggest that with climatic changes, such as temperature increase and reduction of sea-ice cover, the ...
Meeting Document : WG-EMM-16/75 : Author(s): A. Panasiuk, A. Słomska, J. Wawrzynek, M. Konik and A. Weydmann
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CCAMLR e-CDS User Manual
Overview: • A CDS Contact Officer can issue new DCDs on behalf of their party’s Flag State Issuing ... can issue new DCDs on behalf of their party’s Flag State Issuing Authority. • A Flag Official can ... To issue a new DCD, select Issue New DCD from the e-CDS homepage. If there is only one issuing authority ... the ‘New’ button to add a new vessel. • If the vessel is available from the list, but the displayed ... . determine whether Dissostichus spp. harvested in the Convention Area was caught in a manner consistent with ... web-based interface, with finely controlled access rights based on the role of the e-CDS user. The CDS ... is implemented in accordance with CCAMLR Conservation Measure (CM) 10-05. ...
Document : Site Section: Compliance
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Fishery monitoring
periods on which fishing does not take place. In accordance with CCAMLR-XXXVII, paragraph 5.28, for the ... catch and effort data in accordance with Conservation Measure 23-01. The daily reporting period runs ... Fishery Update Contacts and vessels. In accordance with CM 23-07, the Secretariat will provide fishery ... and effort data are submitted in accordance with Conservation Measure 23-01 and are required for ...
Page : Site Section: Fisheries
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
of birds and mammals ....................................................... 10 6.1 Mitigation measures ... ) and that, if the proportion of fish smaller than this size exceeds 10% in a haul, then the vessel must move to a new fishing ... measures established for this fishery (e.g. Conservation Measure 42-02). 6. By-catch of birds ... /06 1086 2006/07 936 2 2007/08 700 2008/09 39 30. No incidents of marine mammal ...
Document : Site Section: Publications
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Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill
Center NOAA National Marine Fisheries Service 8901 La Jolla Shores Drive La Jolla, CA 92037, USA ... on the observed size frequencies in net samples from the US Antarctic Marine Living Resources (AMLR) Program ... to conserve the Antarctic marine ecosystem: practical implementation of the Convention on the Conservation ... of Antarctic Marine Living Resources (CCAMLR). ICES J. Mar. Sci., 57 (3): 778–791. Constable, A.J., A.T ... (Euphausia superba) fishery. The current precautionary catch limit was based on supplying the GYM with a ... krill around the Antarctic Peninsula (Subarea 48.1) along with increasing rates of natural mortality ... the annual size distributions of krill in penguin diets. Simulations with either no fishing, or with ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Author(s): Kinzey, D., G. Watters and C.S. Reiss
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Krill population biology during the 1991 Chilean Antarctic krill fishery
), is by far the most abundant marine living resource in Antarctic waters, the major task of its Working Group ... . Marin et al. (1991) made a preliminary analysis of the haul-by-haul data collected during 1991 ... greater depths. REFERENCES MARIN, V.H., A. MUJICA and P. EBERHARD. 1991. Chilean krill fishery ... and 55 mm TL, with a mean TL of 45 mm for females and 48 mm for males. A very weak mode for juvenile ... % juveniles. Of the females sampled, 25.2% bore spermatophores. Although the smallest specimen found with a ... spermatophore had a 36.5 mm TL, 80% of the females with spermatophores had a TL larger than 45 mm. In Area B, a ... bimodal size frequency distribution and a larger size range were found, with one mode between 32 and 55 mm ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Author(s): Mujica R., A., E. Acuña S. and A. Rivera O.