Resultados de la búsqueda
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Marine pollutants and fishing gear associated with seabirds at sub Antarctic Marion Island, 1996–1998: trends in relation to longline fishing activity
Abstract: Pollutants found in association with seabirds at subantarctic Marion Island for the ... toothfish in blastfreezers and 23 toothfish hooks were found. All the rope nooses, and 19 of the-books were ... found during the second year. This increase in fishing gear from 1996/97 to 1997/98 is interesting in ... Petrel, and a Subantarctic Skua) were found entangled in fishing gear, while five seabird carcasses ...
Meeting Document : CCAMLR-XVII/BG/26 : Autor(es): Delegation of South Africa
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LENGTH-BASED ASSESSMENT FOR MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) IN SUB-AREA 48.3
) in sub‐area 48.3 employs the CMIX and GYM packages, which derives population numbers‐at‐age and ... accurate identification of age cohorts from the survey data. In this paper we describe a length‐based ... the survey data which, in conjunction with the bootstrapped survey biomass data, yields an estimate of ... methodology showed very good agreement in calculated yields for 2006, 2007 and 2009, and some differences for ...
Meeting Document : WG-FSA-09/27 : Autor(es): R.M. Hillary (Australia), C.T.T. Edwards, R.E. Mitchel and D.J. Agnew (United Kingdom)
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Research plan for the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: Update of stage 2 (2013/14 season) and preliminary results of stage 1 (2012/13 season) according to WG-SAM advice
longline fishery for Dissostichus spp in Divisions 58.4.1 and 58.4.2, submitted to the XXXII-WG-SAM, taking ... research plan in the 2012/13 season using the Spanish bottom longline system. One depletion experiments was ... completed in each of the SSRU surveyed (58.4.1H and 58.4.1G). Three prospecting-phase clusters of sets did ... analysis of relevant sea-ice conditions in the last 11 seasons in these areas along with a summary of the ...
Meeting Document : WG-FSA-13/15 : Autor(es): R. Sarralde, L.J López Abellán and S. Barreiro (Spain)
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Stock structure of Antarctic toothfish in Statistical Area 88 and implications for assessment and management
Abstract: We review the stock structure of Antarctic toothfish in Statistical Area 88 with the ... margin in the Bellingshausen Sea (SSRUs 88.3A–D), SSRUs 88.2C–G, and a spawning region in the seamount ... the movement patterns and linkages of Antarctic toothfish in the 80–120 cm size range, throughout the ... portions of the Bellingshausen Sea (SSRUs 88.3A-D) and juveniles in SSRUs 88.2C–G is a priority. Author(s ...
Meeting Document : WG-SAM-14/26 : Autor(es): S.J. Parker, S.M. Hanchet and P.L. Horn (New Zealand)
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The Future of Antarctica Forum: distinguishing climate change impacts from other impacts in the Antarctic Peninsula
Oceanites, Inc. convened and held February 28 – March 9, 2016 in the Antarctic Peninsula, and work that has ... representatives from the tourism and fishing industries, all of whom actively engaged in these discussions and ... ecosystems in the Antarctic Peninsula region for improved environmental management’. Oceanites accepted the ... proceeds. In particular, with assistance from IAATO and the Association of Responsible Krill Fishers (ARK ...
Meeting Document : CCAMLR-XXXV/BG/14 : Autor(es): Submitted by Oceanites, Inc.
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Updating the 2017 stock assessment of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
88.2AB) will be updated in 2017. The introduction of CM 91-05 (the Ross Sea region Marine Protected Area ... ) will require modifications to the previous method the estimation of catch splits in the calculation of ... precautionary yields. In addition, work will need to be carried out in the longer term that consider how the ... assessment will need to be modified to respond to changes in the fishing catch and effort distributions that ...
Meeting Document : WG-SAM-17/41 : Autor(es): S. Mormede and S. Parker
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Update on work to estimate krill consumption by flying seabirds in CCAMLR Divisions 58.4.1 and 58.4.2
petrel, Cape petrel, southern fulmar, snow petrel and Wilson’s storm petrel) in Divisions 58.4.1 and ... 58.4.2. We compiled information on the historical search effort in potential seabird breeding habitat in ... . This work is an important contribution to estimating krill consumption by predators in Divisions 58.4.1 ... predator groups in the region including pack-ice seals and Adelie penguins and will contribute to ...
Meeting Document : WG-EMM-17/11 : Autor(es): C. Southwell and L. Emmerson
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Spatial variation in Antarctic toothfish (Dissostichus mawsoni) catch rate, mean weight, maturity stage and sex ratio across Divisions 58.4.1, 58.4.2 and 58.4.3b
mawsoni) have been operating in Divisions 58.4.1 and 58.4.2 since 2003, however robust stock assessments ... and catch limits according to CCAMLR decision rules have yet to be developed. A key step in developing ... management advice in these Divisions is understanding the distribution, abundance and boundaries of the ... . mawsoni, including in adjacent Division 58.4.3b. Spatial heterogeneity in catch composition indicated that ...
Meeting Document : WG-FSA-17/16 : Autor(es): P. Yates, P. Ziegler, P. Burch, D. Maschette, D. Welsford and S. Wotherspoon
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: a report on recent joint activities and links between ICED and CCAMLR
interest to CCAMLR. The 2018 ICED Projections Workshop, undertaken in collaboration with CCAMLR, provided ... predators and the fishery in Area 48, and considered the implications for including climate change in ... encourage CCAMLR involvement in relevant ICED activities to jointly identify, prioritise and address key ... scientific issue with respect to the management of Southern Ocean ecosystems in the face of change. Author(s ...
Meeting Document : WG-EMM-2019/02 : Autor(es): R.D. Cavanagh, N.M. Johnston and E.J. Murphy
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Integrated analyses of circumpolar climate interactions and ecosystem dynamics in the Southern Ocean (ICED)
Abstract: ICED is a multidisciplinary, international initiative recently launched in response to ... in the Southern Ocean, the implications for ecosystem dynamics, the impacts on biogeochemical cycles ... , and the development of management procedures. CCAMLR community scientists have been instrumental in ... community in order to maximise the impact of science on the management of Southern Ocean ecosystems. Author ...
Meeting Document : WG-EMM-06/26 : Autor(es): E.J. Murphy (United Kingdom), E. Hofmann (USA) and R. Cavanagh (United Kindom)