Résultats de la recherche
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REPORT OF THE SECOND MEETING OF THE SEABIRD BYCATCH WORKING GROUP, HERMANUS, SOUTH AFRICA, 17-18 AUGUST 2008
Abstract: The Fouth Meeting of the ACAP’s Advisory Committee was held in Cape Town, South Africa ... from 22 – 25 August 2008. It was preceded by a meeting of the Seabird Bycatch Working Group (SBWG) on ... 17-18 August 2008. This paper provides a report on the SBWG meeting. The Working Group reviewed ... methods to reduce seabird bycatch in trawl fisheries, and noted that the body of work investigating and ...
Meeting Document : WG-FSA-08/61 : Auteur(s): ACAP Seabird Bycatch Working Group
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The incidence of plastic in the diets of Antarctic seabirds
Abstract: We investigated the diets of seabirds at sea in the Antarctic from 1976 to 1988. During ... the study period, on eight cruises in the Ross, southern Scotia, and Weddell Seas and Drake Passage ... , we collected or pumped the stomachs of 1,223 seabirds of 23 species. The stomach contents of species ... that feed below the sea surface contained little plastic, as expected; these birds live entirely on ...
Meeting Document : SC-CAMLR-X/BG/18 : Auteur(s): Delegation of USA
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Population subdivision and distribution of Euphausia superba in the region of the Antarctic Peninsula and adjacent waters in relation to fishery development
Abstract: Analysis of original and literature data for the past 10 years pertaining to the region ... -of the Antarctic Penunsula and adjacent waters points to a relationship between the distribution of ... krill and the waters of two major circulation systems- those of the Weddell Sea and the Bellingshausen ... Sea inhabited by separate subpopulations of the species. The latter are predominant in the region ...
Meeting Document : SC-CAMLR-VIII/BG/21 : Auteur(s): Delegation of USSR
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Using outputs from spatial population models of Antarctic toothfish in the Ross Sea region to investigate potential biases in the single population model
Abstract: We present a method to evaluate potential biases and uncertainty in the tagging ... assumptions of the stock assessment for Antarctic toothfish in the Ross Sea region using spatially explicit ... operating models. The method allows investigation of potential biases and uncertainty in the assumptions of ... spatial distribution and fish mixing used in the standard stock assessments for the Ross Sea region (and ...
Meeting Document : WG-FSA-12/45 : Auteur(s): S. Mormede and A. Dunn (New Zealand)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–13
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs ... 88.2A–B), using revised catch, catch-at-age, and tag-recapture data for the 2012–2013 seasons. Several ... models were examined including an update of the 2011 base case (R1), a model using the revised data ...
Meeting Document : WG-FSA-13/51 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2015- Part C: Data analysis and MPA scenario development
Abstract: Germany intends to present the Scientific Committee the scientific background and ... justification for the development of a marine protected area (MPA) in the Weddell Sea planning area. In ... accordance with the recommendations by WG-EMM-14 (SC-CAMLR-XXIII, Annex 6), this was done in three separate ... documents (Part A-C). SC-CAMLR-XXXIV/BG/15 (Part A) sets out the general context of the establishment of ...
Meeting Document : SC-CAMLR-XXXIV/BG/17 : Auteur(s): Delegation of Germany
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Results of the sixth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, January 2017
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. In ... this paper we provide results of the sixth annual survey in the time series. The objectives of this ... survey included monitoring sub-adult (≤ 110 cm TL) toothfish in the south of SSRUs 881.J and 881.L in the ...
Meeting Document : WG-SAM-17/01 : Auteur(s): K. Large, L. Robinson and S. Parker
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 2000 winter and the 2000/01 breeding season
Abstract: Results of the survey of entanglements of Antarctic fur seals at Bird Island, South ... Georgia for the eleventh consecutive winter (2000) and thirteenth consecutive summer (2000/01) are ... reported here. The number of entanglements showed an increase from recent years, with 20 entanglements ... reported over winter and 22 during the summer breeding period. There were over three times more ...
Meeting Document : SC-CAMLR-XX/BG/03 : Auteur(s): Delegation of the United Kingdom
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Trends of the Dissostichus eleginoides stock using the sequential population analysis (SPA) model in Subarea 48.3: 1992-1996
age data, for the evaluation of the state of the stock of Dissostichus eleginoides from the area 48.3 ... between 1992 to 1996. This, with the objective of knowing the results of management of this stock made ... under CCAMLR procedures. The model was programmed in a spreadsheet (Excel v.5) using the Solver function ... for the non-lineal calculus process. The application of this model, tuned by auxiliary information of ...
Meeting Document : SC-CAMLR-XV/BG/14 : Auteur(s): Delegation of Chile
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The state of exploited fish stocks in the Southern Ocean - a review
Abstract: Antarctic finfish resources have been subject to exploitation primarily by the Soviet ... Union since more than 20 years. The total yield from the Southern Ocean has been 2.85 million tonnes ... until the season 1989/90. About two thirds of the catches have been taken in the Atlantic Ocean sector ... (mainly South Georgia) while the remaining one third originated primarily from the Kerguelen waters in the ...
Meeting Document : SC-CAMLR-X/BG/13 : Auteur(s): Delegation of Germany