Resultados de la búsqueda
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Decadal trends in the South Georgia demersal fish assemblage
biomass were seen across survey years. Species counts were highly variable across the shelf region and ... species from two families, the Notoheniidae and the Channichthyidae dominated the survey biomass in all ... years accounting for 97% of total demersal fish biomass. The relative abundance of these species was ... demersal fish catch rates was observed with the highest mean CPUE s seen in surveys since 2010 but this was ...
Meeting Document : WG-FSA-13/26 : Autor(es): M. Belchier (United Kingdom)
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Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea
chinstrap penguin populations have declined more than 50% during the last 30 years at study colonies in the ... for its revision. Author(s): Submitted by ASOC Title: Unhappy feet: the reduction of Adélie and ...
Meeting Document : CCAMLR-XXX/BG/21 : Autor(es): Submitted by ASOC
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
), as a function of the fraction of the biomass estimate which is set as the catch for a 20-year period ... pre-exploitation level ( P ) 1992). over a 20-year harvesting period. The resul t s which they ... 'start' of the year, mean that krill reaching three years of age always 'spawn' before fishing can have ... numbers of krill of age a years at the start of 'year' y (N,,) are governed by the equations: where ... biomass estimate which is set as the catch for a 20-year period. Three possible fishing seasons are ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Autor(es): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
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SIOFA Executive Secretary position description
LOCATION: Saint-Denis de La Réunion, La Reunion Island, France DURATION: Fixed term: 4 years with the ... possibility of one renewal SALARY RANGE: The Executive Secretary’s remuneration is expected to be in the ... ensure the efficient and effective operation of the SIOFA Secretariat during the first years of the ... . · At least ten years relevant experience in fisheries management policy or policy formulation and ...
Document : Site Section: The Organisation
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On peculiarities of icefish (Champsocephalus gunnari) vertical distribution in different habitats
populations ecology has been revealed. Fish of all lengths and ages are planktonphages. Fish of the first two ... , as a rule, are at the bottom in the daytime, however in some years they like immature fish, have been ... caught with pelagic fishing gear in the water column during the daytime. Author(s): J.A. Frolkina ... age groups have been continuously found in the pelagic layer off South Georgia and Kerguelen-Heard ...
Meeting Document : WG-FSA-03/54 : Autor(es): J.A. Frolkina (Russia) and V.V. Herasimchuk (Ukraine)
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Genetic identification of fish caught as by-catch in the Antarctic krill fishery and comparison with observer records
by observers (5 families; 8 species) was considerably lower than with DNA barcoding (7 families; 20 ... of observer taxonomic assignments. Author(s): A. Polanowski, J. Clark, D. Maschette, D. Welsford and ... and comparison with observer records Microsoft Word File: emm-18-30.docx Approval: Approved ...
Meeting Document : WG-EMM-18/30 : Autor(es): A. Polanowski, J. Clark, D. Maschette, D. Welsford and B. Deagle
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Investigating the uncertainty of age determinations for Patagonian toothfish (Dissostichus eleginoides) and the implications for stock assessment
expanded the reference collection to include an additional 50 otoliths with a mean age above 25 years. The ... . method and the revised Candy method were between the other two methods in terms of year to year ... matrix and a lack of smoothness in the probabilities for ages above 25 years. Positive errors now ... matrix.We assessed misclassification matrices obtained using the revised Candy method along with two other ...
Meeting Document : WG-FSA-14/46 : Autor(es): P. Burch, P. Ziegler, W. de la Mare and D. Welsford (Australia)
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WG-FSA-94
Full Name: Working Group on Fish Stock Assessment Location: Hobart, Australia Date(s): Tuesday ... -FSA-94/16 Evidence of two stocks of Champsocephalus gunnari in the South Georgia region, CCAMLR ... (United Kingdom) WG-FSA-94/19 Software for FSA-94 Secretariat WG-FSA-94/20 Summary of the Dissostichus ... (Argentina) WG-FSA-94/30 Addendum to document WG-FSA-94/10 R. Williams and W.K. de la Mare (Australia) WG-FSA ...
Meeting
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Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia
. Males accounted for 71% of entanglements, 88% of which were of young (1-4 years old) animals; females ... accounted for 64% of animals older than this. Obvious physical injury was being caused to 30% of animals and ... entanglement problem is not to increase beyond the level of a potential threat. Author(s): J.P. Croxall, S ...
Meeting Document : CCAMLR-VIII/BG/05 : Autor(es): J.P. Croxall, S. Rodwell and I.P. Boyd (United Kingdom)
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Avoidance of incidental mortality of seabirds and the implementation of Conservation Measure 169/XVII in Statistical Subarea 88.1 in the 1998/99 season
Dissostichus spp. in Sub-area 88.1. Daylight setting was allowed south of 65°S in Sub-area 88.1 under special ... and rigorous monitoring of line sink rates. In the trials, two autoline vessels set weighted longlines ... were used to record the actual sink rate achieved on 30% of all sets. For all sets combined the average ... trials and the development of new line-weighting technologies is recommended. Author(s): J. Molloy and N ...
Meeting Document : WG-FSA-99/35 : Autor(es): J. Molloy and N. Smith (New Zealand)