Resultados de la búsqueda
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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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Spatial distribution and population structure of juvenile Antarctic toothfish (Dissostichus mawsoni) in the South Shetland Islands (Subarea 48.1)
Abstract: In the present study we provide new insights on the spatial distribution and population ... northern lower South Shetland Islands. Although they were caught in all depth strata, they were most ... between 2 and 7 years in males and between 2 and 8 years in females, respectively. Annual growth rate was ... estimated from the age-length keys, spanning from 10 to 5 cm TL. Present data have been discussed in ...
Meeting Document : WG-FSA-18/45 : Autor(es): M. La Mesa, E. Riginella and C.D. Jones
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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)
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A GIS tool to assist in the planning and design of sample surveys of the abundance of colonial breeding species
Abstract: A GIS tool to assist in the planning and designing of surveys of colonial breeding ... developed to implement more complex and efficient designs. An example of its potential use is provided. In ... the example the tool is used to sample a population of Adelie penguins in the Holme Bay region of East ... Antarctica as might occur in a real a pilot survey, and the resulting sample densities used to predict the ...
Meeting Document : WG-EMM-05/25 : Autor(es): C. Southwell, R. Dreissen, S. Candy, G. McPherson and J. Clarke (Australia)
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Beached birds: a guide used by north pacific groundfish observers to identify seabirds incidentally caught in fisheries
Abstract: In the fall of 2002, the U.S. National Marine Fisheries Service (NMFS) purchased 300 ... vessels in the Bering Sea and Gulf of Alaska. This new guide replaces a dichotomous key on looseleaf paper ... of fishery observers to accurately identify seabirds as they come up in the sampled fishing gear ... collection at the NMFS North Pacific Groundfish Observer Program. A copy of Beached Birds is available in the ...
Meeting Document : WG-FSA-03/24 : Autor(es): T. Hass and S. Davis (USA)
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The direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with particular emphasis on longline fishing and its impact on albatrosses and petrels – a review
Abstract: Finfishing started in the Southern Ocean more than 30 years ago at South Georgia and ... Iles Kerguelen. The fishery extended further south for a few years in the second half of the 1970' ... , in particular birds and mammals. With the exception of plastic package bands on some sub-Antarctic ... islands and in particular the impact of longlining on marine birds these effects have been minor, very ...
Meeting Document : SC-CAMLR-XIX/BG/11 : Autor(es): Delegation of Germany
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Connectivity and population structure in Pleuragramma antarcticum
silverfish (Pleuragramma antarcticum) are distributed in independent, discrete populations in the Ross Sea ... populations: i) in the Ross Sea, ii) on the southern Antarctic Peninsula in Marguerite Bay and off Charcot ... (USA) and M. Pinkerton (New Zealand) Title: Connectivity and population structure in Pleuragramma ...
Meeting Document : WG-FSA-11/19 : Autor(es): J. Ferguson, J. Ashford, A. Piñones, J. Torres, W. Fraser, C. Jones (USA) and M. Pinkerton (New Zealand)