Résultats de la recherche
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Update on the ABNJ Deep Seas Project
Conservation of Deep-sea Living Marine Resources and Ecosystems in the Areas Beyond National Jurisdiction’ is a ... five year project designed to enhance sustainability in the use of deep-sea living resources and ... biodiversity conservation in the ABNJ through the systematic application of an ecosystem approach. The project ... project started in September 2014 and is one of four projects under the Common Oceans Program ...
Meeting Document : SC-CAMLR-XXXIV/BG/25 : Auteur(s): FAO and CCAMLR Secretariats
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Fish by-catch in the krill fishery: 2017 update
) and CCAMLR SISO data (20 766 hauls) up to 1 Sept 2017 was used to examine the frequency of occurrence ... , length-frequency distribution and geographic provenance of the key fish taxa reported. There is continued ... evidence of an increase in the data quality from the observer scheme, as well as an increase in the ... reporting of fish by-catch in the commercial krill fishery catch data. There was a high degree of overlap in ...
Meeting Document : WG-FSA-17/04 : Auteur(s): CCAMLR Secretariat
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CDS Implementation and Data Analysis
the CDS. CDS reports of catches outside the Convention Area have increased in 2018. The Secretariat ... contacted 16 NCPs to seek their engagement in the CDS in 2019. Analyses of the trends and supply chains in ... the CDS data was undertaken for 2018 and 2019. Across both years Chile had the greatest number of DCDs ... landings and exports and greatest quantity of exports (4 644 tonnes and 2 539 tonnes). For both years ...
Meeting Document : CCAMLR-38/BG/10 Rev. 2 : Auteur(s): CCAMLR Secretariat
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Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1998–1999
aboard all 11 sanctioned fishing trips, representing a fishing effort of 5.1 million hooks. This is 19 ... % more than the number of hooks set in 1997-98, but only 79 seabirds (150/0 of the total killed in 1997 ... the same vessel, using the same gear design and at the same time of year, show marked decreases in ... Petrels P. cinerea (6%). A worrying development is the increase in numbers of Grey Petrels killed (only ...
Meeting Document : WG-FSA-99/42 Rev. 1 : Auteur(s): P.G. Ryan and B.P. Watkins (South Africa)
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Seabird mortality in the longline fishery for Patagonian toothfish at the Prince Edward Islands: 1996–1997
. This paper summarizes the mortality of seabirds associated with this fishery during the year July 1996 ... -June 1997. Data on seabird bycatches were obtained from fishery observers aboard 10 of 12 sanctioned ... fishing trips. Some 3.2 million hooks were observed during the period November-June, representing 84 % of ... considerable variance between vessels (range 0.004 to 1.468 birds per 1000 hooks) as a function of fishing ...
Meeting Document : WG-FSA-97/51 : Auteur(s): Boix-Hinzen, C., Enticott, J.W., Ryan, P.G., Wanless, R., Purves, M., Nel, D.C.
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A note on relating krill CPUE measures to abundance trends
Abstract: A crude mathematical framework is developed to describe krill abundance in terms of ... selected parameters of various aggregation behaviours exhibited by krill (Euphausia superba Dana). The ... relationship of combinations of these parameters to various possible measures of catch-per-unit-effort (CPUE ... ) for the Antarctic krill fishery is considered. The combined index of catch-per-hour of trawling ...
Meeting Document : WS-KCPUE-85/03 : Auteur(s): D.G.M. Miller and D.S. Butterworth (South Africa)
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Seabird mortality in the Patagonian toothfish longline fishery around the Prince Edward Islands, 1996–2000
(a globally important seabird breeding site) commenced in 1996 following high levels of Illegal ... trips between 1996 and 2000, allowing a thorough excellent understanding of the impact of this fishery ... significant number of albatrosses (particularly grey-headed albatrosses Thalassarche chrysocome) were also ... exclusively during day sets, whereas catch rates of white-chinned petrels did not differ between day and night ...
Meeting Document : WG-FSA-01/8 : Auteur(s): D.C. Nel, P.G. Ryan and B.P. Watkins (South Africa)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–G for the years 2002–03 to 2010–11
assessment model of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 covering SSRUs 88.2C, D, E, F ... , and G (SSRUs 88.2C–G). For modelling purpose, we split the region into two fisheries: south of 70.2° S ... where smaller fish are typically caught and effort has been light; and north of 70.2° S where larger ... fish are caught and most of the effort has been concentrated. For our reference case we used a selected ...
Meeting Document : WG-FSA-11/43 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Workshop Report – The Ross Sea: Science, Policy and the Public in a Pristine Marine Ecosystemt
% of the Southern Ocean, which is inconsequential, yet its attributes, as identified in this workshop ... Lakes, Lake Baikal); on the basis of projections made from current models in the IPCC array, it likely ... will be the last stretch of ocean on Earth, perhaps within the current century, that will embrace a ... cryopelagic community of organisms; and it is the best studied stretch of high latitude ocean in the Southern ...
Meeting Document : WG-EMM-09/14 : Auteur(s): J. Weller and D.G. Ainley (USA)
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The Patagonian toothfish: biology, ecology and fishery
and slopes of South America and around the sub-Antarctic islands of the Southern Ocean. Patagonian ... scavengers, there is no evidence of large-scale geographic migrations and studies using genetics ... , biochemistry, parasite fauna and tagging indicate a high degree of isolation between populations in the Indian ... habitat at around 100 mm (1 yr old), and inhabit relatively shallow water (< 200m) until 6-7 years of ...
Meeting Document : WG-FSA-10/P05 : Auteur(s): M.A. Collins, P. Brickle, J. Brown and M. Belchier