Resultados de la búsqueda
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Focal areas for marine biodiversity protection in KwaZulu-Natal, South Africa. Marine Systematic Conservation Plan Analyses (SeaPLAN): Summary of Results 2011
requires a multi-scalar understanding of marine ecosystems and human activities. To address this challenge ... KwaZulu-Natal Province of South Africa. Data on 400 marine items including habitats, species, processes ... spatially nested system of planning units, ranking in resolution from 0.2 km to 10 km, was designed to ... available. This approach reflects the multi-scalar nature of marine ecosystem patterns and processes. It ...
Meeting Document : WS-MPA-11/12 : Autor(es): T. Livingstone, J. Harris, M. Lombard and E. Lagabrielle (South Africa)
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Proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea
Subarea 88.1 and for nine years in Subarea 88.2. Associated research has led to an assessment of the ... fisheries potential yield, but a source of ongoing uncertainty in the stock assessment concerns recruitment ... time from the fishery. At its 2010 meeting, the Scientific Committee agreed that a time series of ... research survey in response to the Scientific Committee request. We consider here the objectives of the ...
Meeting Document : WG-SAM-11/16 : Autor(es): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)
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Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan
. We investigated the biological features of D. mawsoni using Observer data. The geographical ... distribution of sizes, GSI and Fulton’s condition factors for D. mawsoni in Subarea 48.6 suggest that northward ... and preliminary CASAL models. We divided the two areas for block 48.6_2 by latitude of 55.2°S to ... estimate the biomasses of D. mawsoni because the recaptures were concentrated in the southern area. In ...
Meeting Document : WG-SAM-16/07 : Autor(es): Delegations of Japan and South Africa
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Increasing abundance of Type A killer whales (Orcinus orca) in the coastal waters around the Antarctic Peninsula
and we need to understand the impact on marine ecosystems. A diverse community of killer whales ... killer whales sighted in other parts of the world. Sightings of Type A around the AP have been ... increasing in recent years, including observations of predation on a number of whale and pinniped species ... photographs) collected between austral summers 2005/06 to 2016/17 to describe the movement patterns of these ...
Meeting Document : WG-EMM-17/49 : Autor(es): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman
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The Secretariat review of the Strategic Plan, associated activities and outcomes
systems be undertaken (CCAMLR-XXIX, paragraph 3.7). This paper provides the 2011 meetings of WG-SAM and WG ... included in the review of the Secretariat’s Strategic Plan and that SCAF consider the outcomes of that ... at last year’s meetings of WG-SAM and WG-FSA the Commission adopted a recommendation from the ... Scientific Committee (SC-CAMLR-XXIX, paragraph 14.2) that a review of the Secretariat’s data management ...
Meeting Document : WG-EMM-11/09 : Autor(es): Secretariat
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The krill maturity cycle: a conceptual description of the seasonal cycle in Antarctic krill
Abstract: A long term study on the maturity cycle of Antarctic krill was conducted in a research ... temperature and food conditions, and the succession of female maturity stages and intermoult periods were ... observed. In all cases regression and re-maturation of external sexual characteristics were observed, but ... there were differences in length of the cycle and intermoult periods between the experimental conditions ...
Meeting Document : WG-EMM-06/23 : Autor(es): S. Kawaguchi, T. Yoshida, L. Finley, P. Cramp and S. Nicol (Australia)
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in June 2005
-term annual yield in the 2005/2006 CCAMLR season. This paper provides a preliminary assessment of yield ... Abstract: A survey of Mackerel Icefish, Champsocephalus gunnari,was undertaken in Division 58.5.2 ... in the vicinity of Heard Island in June 2005 to provide the information for an assessment of short ... using the assessment methods of CCAMLR. It is proposed that a one-year projection be used in the ...
Meeting Document : WG-FSA-05/39 : Autor(es): A.J. Constable, T. Lamb and R. Williams (Australia)
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Review of research into seabird–fishery interactions
(post 1990), and in relation to direct effects of fishing through fisheries mortalities was considered ... . The research was divided into five main groupings: a) estimation of bycatch; b) population estimation ... allow an assessment of the utility, current methodologies, and constraints of research into seabird ... biology and fishery interactions. Following from the findings of the review, recommendations were ...
Meeting Document : WG-FSA-05/42 : Autor(es): R. Alderman (New Zealand)
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On experimental approach to extend boundaries of exploratory fishery on Antarctic toothfish (D. mawsoni) in the Ross Sea (Subareas 88.1 and 88.2) in the meso- and bathypelagial layers
Abstract: Based on the analysis of data on the searching fishery on Antarctic toothfish (D ... . mawsoni) by the Russian fishing vessels "Yantar" and "Volna" in the seasons of 2002/03 ... -2003/04 it has been obtained that the long-line catchability and size composition of fish depended on ... the areas and depth of Antarctic toothfish concentration the need for extension of searching fishery ...
Meeting Document : SC-CAMLR-XXIII/BG/19 : Autor(es): Delegation of Russia
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A simulation approach to the evaluation of recruitment surveys for D. eleginoides for the Heard Island Plateau region (Division 58.5.2)
Abstract: Assessments of long-term sustainable yield using the Generalised Yield Model (GYM) and ... the setting of total allowable catches (TAC) for Patagonian Toothfish, Dissostichus eleginoides, for ... . Evaluation of both the current RSTS design for Division 58.5.2 and some options for future modifications of ... . Census of fish stocks by age class were compared to population estimates based on simulated RSTS hauls ...
Meeting Document : WG-FSA-04/74 : Autor(es): S.G. Candy, C.R. Davies and A.J. Constable (Australia)