Résultats de la recherche
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Fish as diet of the blue-eyed shag, Phalacrocorax atriceps bransfieldensis at Half-Moon Island, South Shetland Islands
Shetland Islands, during January and February 1993, were analyzed to determine the importance of fish in ... the diet of the blue-eyed shag Phalacrocorax atriceps bransfieldensis. Fish species were identified by ... means of otoliths found in the casts. The size and weight of the fish were estimated from the otolith ... , comprising 91% of prey items. From the 937 otoliths found, 562 fish were represented and 524 were assigned to ...
Meeting Document : WG-CEMP-94/32 : Auteur(s): E.R. Barrera-Oro and R.J. Casaux (Argentina)
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By-catch of juvenile Antarctic fish from krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
krill fishing by the BAT GrigOly Kovtun in the region of the South Georgia Islands during the period May ... -June 1992. Two species were predominant in the by-catches: Champsocephalus gunnari and Nototheniops ... larseni. The frequency of occurrence of juvenile fish was 18.2% when considering all krill tows and 45.5 ... krill, ranged from 700 to 18 900 individuals. In the case of C.gunnari, average values were 966±225 ind ...
Meeting Document : WG-FSA-93/8 Rev. 1 : Auteur(s): E.A. Pakhomov and S.A. Pankratov (Ukraine)
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Indexing maturation of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
Abstract: The longline fisheries for Antarctic toothfish (Dissostichus mawsoni) in subareas 88.1 ... and 88.2 have provided more than a decade of observations to aid in understanding the life history and ... ecology of toothfish. Updated spawning ogives for males and females support the currently used values ... fish developing to spawn in the upcoming season. Evidence is accumulating that almost all Antarctic ...
Meeting Document : WG-FSA-12/40 : Auteur(s): S. Parker and P. Marriott (New Zealand)
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Establishing time-limited Special Areas for Scientific Study in newly exposed marine areas following ice shelf retreat or collapse in Subarea 48.1, Subarea 48.5 and Subarea 88.3 – Clarifications and options to further develop the 2015 proposal
Abstract: In 2015 the European Union proposed a draft Conservation Measure (CM) with the aim of ... collapse around the Antarctic Peninsula (CCAMLR-XXXIV/21). The proposed CM would establish Special Areas ... recommendation by the Antarctic Treaty Meeting of Experts on Climate Change in 2010. The scientific basis of the ... proposal received broad support from the Scientific Committee in 2015 (SC-CAMLR-XXXIV, paragraphs 8.14 to ...
Meeting Document : WG-EMM-16/27 : Auteur(s): S. Grant and P. Trathan
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Research plan for the 2017/18 toothfish fishery in Division 58.4.4b by Japan and France
Abstract: Japan and France made the next season’s (2017/18) research plan in research blocks ... 58.4.4b_1 and 58.4.4b_2 using the latest CCAMLR C2 and Observer data. The estimated median stock size in ... tags released in the last three years as effective for the biomass estimation. The estimated median ... method (reference area: HIMI) using the relevant information of reference area (recent median CPUE ...
Meeting Document : WG-SAM-17/02 Rev. 1 : Auteur(s): Delegations of Japan and France
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Analysis of the krill fishery in Subarea 48.1 considering trawl fishing method used (2010–2016)
Abstract: An analysis of spatio-temporal variability of CPUE indices in the krill fishery in ... variability with account of the fishing method used is presented. Particular attention is paid to the fishery ... in the Bransfield strait, where the main fishery in Subarea 48.1 is concentrated The possibility of ... using the standardized CPUE indices as krill biomass density indices for monitoring the variability of ...
Meeting Document : WG-EMM-17/27 : Auteur(s): S. Kasatkina S. and L. Boronina
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SO-AntEco: Contributing information and scientific advice on benthic biodiversity in the South Orkney Islands (Domain 1) region
with an international team of scientists from the Scientific Committee for Antarctic Research (SCAR ... ) AntEco research programme. The team included participants from nine different countries and 15 institutes ... . The expedition took place on board the BAS research ship RRS James Clark Ross in early 2016. The focus ... of the cruise was to contribute towards a better understanding of selected benthic habitats around ...
Meeting Document : WG-EMM-17/37 : Auteur(s): M.J. Brasier, S.M. Grant, P.N. Trathan, L. Allcock, O.S. Ashford, H. Blagbrough, A. Brandt, B. Danis, R. Downey, M. Eléaume, P. Enderlein, C. Ghiglione, O. Hogg, K. Linse, M. Mackenzie, C. Moreau, L. Robinson, E. Rodríguez, V. Spiridonov, A. Tate, M. Taylor, C. Waller, H. Wiklund and H.J. Griffiths
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An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
Abstract: This paper presents an updated assessment for the Patagonian toothfish (Dissostichus ... eleginoides) fishery at Heard Island and McDonald Islands in CCAMLR Division 58.5.2 with data until end of the ... season 2015/16. The updated assessment model is based on the best available estimates of model parameters ... , the use of abundance estimates from a random stratified trawl survey (RSTS), longline tag-release data ...
Meeting Document : WG-FSA-17/19 : Auteur(s): P. Ziegler
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Next steps in cooperation between CCAMLR and the Southern Indian Ocean Fisheries Agreement (SIOFA)
Abstract: CCAMLR and the Southern Indian Ocean Fisheries Agreement (SIOFA) signed an Arrangement ... last year that included several areas for cooperation between the two organizations. Before this ... straddle between the two areas. ASOC believes such fishing was not in the spirit of the Arrangement or the ... CAMLR Convention, and recommends that CCAMLR take the following steps: Convene a joint CCAMLR-SIOFA ...
Meeting Document : CCAMLR-38/BG/45 : Auteur(s): Submitted by ASOC
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Theoretical considerations for estimating the density of cohorts and mean recruitment of Patagonian toothfish (Dissostichus eleginoides) based on research trawl survey data
Abstract: The current method used by the Working Group on Fish Stock Assessment (WG-FSA) for ... assessing the long-term yield for toothfish fisheries in CCAMLR uses estimates of density of juvenile ... toothfish derived from research trawl surveys as an estimate of absolute abundance of recruitment to the ... fishery. At the 2003 meeting of WG-FSA a number of inconsistencies were identified in the estimation of ...
Meeting Document : WG-FSA-04/92 : Auteur(s): C.R. Davies, E.M. van Wijk and A.J. Constable (Australia)