Resultados de la búsqueda
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A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2018 random stratified trawl survey
Abstract: The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... Generalized Yield Model). The 2018 survey showed a large 2+ cohort in the population. Catches of 443 t in the ... 2018/19 season and 320 t in the 2019/20 season respectively satisfied the CCAMLR decision rules. Author ...
Meeting Document : WG-FSA-18/56 : Autor(es): D. Maschette and D. Welsford
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Weddell Sea MPA data layers have been deposited with the data publisher PANGAEA
Abstract: This paper informs EMM 2019 about the data layer products, which were developed for ... WSMPA spatial planning, and lists the DOIs to the respective PANGAEA entries. By depositing these data ... layers with PANGAEA, we provide transparency regarding the WSMPA development process and follow the ... discussion under CCAMLR about the need to make reference material on MPAs easily accessible to the scientific ...
Meeting Document : WG-EMM-2019/05 : Autor(es): K. Teschke, H. Pehlke and T. Brey
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Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
rules remain to be determined for these Divisions. WG-FSA-16/29 outlined the first multi-member ... toothfish exploratory fishery research plan up to 2017/18 for East Antarctica, which the Scientific ... Committee agreed was appropriate to achieve the research objectives (SC-CAMLR 2016, para. 3.244). Subsequent ... research progress including the evaluation of standard approaches to identify precautionary catch limits ...
Meeting Document : WG-FSA-2019/44 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Changes observed in krill length frequency distribution during repeated sampling on the South Georgia shelf in 2000 January–February
on 22 February and 3 February correspondingly. The comparative analysis revealed the strong ... difference in krill inhabiting Northwest and Northeast South Georgian waters. According to the data available ... the difference do not disappear in time, instead certain increase of krill length was observed in both ... parts. The data analyzed confirm that krill on the Northern South Georgian shelf has different origin ...
Meeting Document : WG-EMM-01/40 : Autor(es): V.A. Sushin and F.F. Litvinov (Russia)
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Distribution of krill as a fraction of Antarctic zooplankton within the South Sandwich Islands area in summer 2000
Abstract: The paper covers the-results of an acoustic estimation of distribution for krill and ... non-krill zooplankton within the area of South Sandwich Islands that has been obtained with multy ... -frequencies algorithms according to the data on survey by Russian vessel ATLANTIDA under CCAMLR Survey-2000 ... compared. It has been showed that within the field locations occupied by waters of the Weddell Sea and ...
Meeting Document : WG-EMM-00/50 : Autor(es): S.M. Kasatkina and A.P. Malyshko (Russia)
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Review of biological characteristics of the Antarctic toothfish (Dissostichus mawsoni) and its distribution in Antarctic waters
Abstract: Results of published studies on the biology, biomass and distribution of the Antarctic ... toothfish (Dissostichus mawsoni) were reviewed. The review focused on those aspect of the species which are ... of importance for the assessment of its biomass and identification of its stocks. The trophodynamics ... of D. mawsoni are mentioned only in brief. Most published materials refer to studies conducted in the ...
Meeting Document : WG-FSA-98/37 : Autor(es): Secretariat
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Designing Marine Protected Area networks: insights from the CHARM3 project
Action 12 of the CHARM3 project, which focuses on spatial conservation planning in the English Channel ... . The first analysis investigates the use of species area curves for setting marine habitat targets and ... shows this approach is sensitive to sample size and the type of species richness estimator. Thus, there ... targets are objective and scientifically defensible. The second analysis combines the Marxan and MinPatch ...
Meeting Document : WS-MPA-11/22 : Autor(es): R.J. Smith and K. Metcalfe (UK)
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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
Abstract: Information on natural mortality rates of the mackerel icefish, Champsocephalus gunnari ... , from the period prior to large scale commercial harvesting is discussed. Methods based on population ... age structure and growth parameters are used. It is concluded that only in the three earliest years ... , 195 1, 1964 and 1966, do the data reflect an unexploited population. The best estimate of M from ...
Meeting Document : WG-FSA-97/05 : Autor(es): Everson, I.
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Numerical model of ecosystem including Euphausia superba Dana as a key species in the Antarctic Ocean
Abstract: On the processes to investigate a proper model for understanding the processes that ... govern the biochemical cycle in Antarctic Ocean, we made a research plan as follows: (1) to develop an ... ecology (4) to develop a numerical model to couple the OGCM and ecosystem models (5) to develop a ... numerical model including the effect of marine mammal consumption and catch of krill (6) to develop the ...
Meeting Document : WG-EMM-95/52 : Autor(es): Naganobu, M., Kishi, M.J.
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Diagnostic model of functioning of Antarctic krill population in the Cooperation Sea
mathematical modelling of Antarctic krill population in the Cooperation Sea. The choice of investigation area ... , its stocks, other pelagic system components, inhabitancy conditions, landing by FVs for the period ... from 1978 to 1984 and 1988. The objective of the researches was to reveal causes of sharp fluctuations ... in krill abundance in the Cooperation Sea basing on mathematical modelling. The main task was to ...
Meeting Document : WG-Joint-94/07 : Autor(es): V. Belyaev and M. Khudoshina (Ukraine)