Resultados de la búsqueda
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CEMP data summary and updated analysis of CEMP data from Subarea 48.
Abstract: The CCAMLR Ecosystem Monitoring Program (CEMP) was established to detect changes in the ... in accordance with the ‘ecosystem approach’. This report provides: Details on CEMP data that have ... submitted to the Secretariat. An update on the spatial analysis of CEMP data in subarea 48.1 using Combined ...
Meeting Document : WG-EMM-17/17 : Autor(es): CCAMLR Secretariat
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Report on the CCAMLR Marine Debris monitoring program: 2018 update
predominantly packaging items and plastics. There is no evidence of an increase in debris at monitored sites ... , but it remains ubiquitous in the CCAMLR area. Due to the limited scope of submitted data, as well as ... the difficulty in identifying whether a debris item has originated from fishing or another human ...
Meeting Document : WG-FSA-18/18 : Autor(es): CCAMLR Secretariat
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Developing a Risk Assessment for Subarea 48.1 using tracking data
catch limits in order to minimise the risk of the fishery to krill dependent predators. We plan to apply ... the risk assessment framework across Subarea 48.1 at various spatial and temporal scales, in order to ... paper describes the progress to-date in developing the data layers to input into the risk assessment ...
Meeting Document : WG-EMM-2019/24 : Autor(es): V. Warwick-Evans, A. Friedlaender, J.T. Hinke, N. Kokubun, J.H. Kim and P.N. Trathan
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On possible influence of continuous krill fishing technology with the use of ‘air-bubbling suspension system’ on ecosystem elements
Abstract: It was shown that potential increase in krill fishery in the immediate future ... -krill- fishery interactions. In this case, apart from traditional commercial statistics (vessels ... is compared with a conventional fishing method. It was shown that not only hydrobionts, which are in ...
Meeting Document : WG-EMM-06/27 : Autor(es): S.M. Kasatkina and V.A. Sushin (Russia)
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Review of biological parameters for Ross Sea skates
taken as bycatch in the Ross Sea toothfish fishery: Amblyraja georgiana and Bathyraja cf. eatonii ... . Differences in length-weight relationships among regions raise doubt about the conspecificity of A. georgiana ... (TL). The length at maturity of females is not well determined but is probably in the range 95–100 cm ... both sexes combined is: TLt = 101.3(1? e?0.308[t+1.30]). The best estimate of longevity in A. georgiana ...
Meeting Document : WG-FSA-06/31 : Autor(es): M.P. Francis (New Zealand)
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Demography and population trends of the Atlantic yellow-nosed albatross
Tristan da Cunha archipelago and Gough Island in the central South Atlantic Ocean, and is threatened by ... mortality from longline fisheries operating in the South Atlantic. Demographic data have been collected from ... two study colonies on Gough Island and Tristan da Cunha for 20 years. Annual variation in the number ... in the South Atlantic Ocean. Population modeling predicts annual rates of decrease of 1.5–2.8% on ...
Meeting Document : WG-FSA-03/37 : Autor(es): R. Cuthbert (United Kingdom), P.G. Ryan, J. Cooper (South Africa) and G. Hilton (United Kingdom)
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Beach debris survey, Signy Island, South Orkney Islands 2000/2001
CCAMLR in 1995/96 has been effective and should continue. Plastic waste was predominant, as in previous ... duration of sea-ice around Signy Island was prolonged in 2000/2001 and may have limited the amount of ... materials with a high resistence to degradation in the marine environment remains a problem and highlights ...
Meeting Document : SC-CAMLR-XX/BG/05 : Autor(es): Delegation of the United Kingdom
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Beach debris survey Signy Island, South Orkney Islands 1997/98
debris items collected from the beaches was the lowest recorded since the surveys began in 1990. This ... fishing vessels brought into force by CCAMLR in 1996, 36% of the debris found at Signy were packaging ... bands although the number recovered has been decreasing since 1993/94. The reduction in debris reported ... at Signy Island in 1997/98 continues a promising trend. However the considerable amount of plastic ...
Meeting Document : CCAMLR-XVII/BG/20 : Autor(es): Delegation of the United Kingdom
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FURTHER DEVELOPMENTS OF A SIMULATION MODEL, ‘PATCH’, FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES
ecosystems’ in order to maintain the ecological structure and function of, particularly, deep sea benthic ... uncertainties to be captured in a straight-forward manner to assist CCAMLR in maintaining its precautionary ... approach in managing Antarctic fisheries. The model is ready for use by WG-FSA this year to begin ...
Meeting Document : WG-FSA-09/42 : Autor(es): A.J. Constable (Australia)
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SEABIRD: DRAFT USER MANUAL V1.00-2008/06/18
that allows a great deal of flexibility in specifying the population dynamics, parameter estimation ... modelled population in the way that best suits the available data. Depending on these data the user may ... stage (e.g., immature or mature), sex, or behaviour (e.g., in any year mature birds may be classified as ... of events in a model year. A wide variety of types of data can be used. Estimation can be by maximum ...
Meeting Document : WG-SAM-08/P03 : Autor(es): D. Fu and R.I.C.C. Francis (New Zealand)