Résultats de la recherche
-
Monitoring and management in the Antarctic – making the link between science and policy
Abstract: Management of human impacts in the Antarctic requires an effective system of monitoring ... to provide information about the process being managed and the effectiveness of management actions ... . Human impacts arise as a result of processes that originate in the region (endogenous) and those that ... originate outside the region (exogenous). A number of monitoring programmes have been established in both ...
Meeting Document : WG-EMM-07/P9 : Auteur(s): K. Reid (United Kingdom)
-
Simulation experiments and CCAMLR yield estimates using CASAL
, 2004) and investigate model performance from alternative types of observations. In general, most models ... were fitted with an expected percent root mean squared error (%RMSE) of less than 20%. The inclusion of ... the expected performance of integrated models is required that investigates a range of alternative ... “true” states with data that includes bias and variance in observations, as well as the robustness of ...
Meeting Document : WG-FSA-SAM-05/9 : Auteur(s): A. Dunn (New Zealand)
-
Depletion-based stock reduction analysis: a catch-based method for determining sustainable yields for data-poor fish stocks
for data-poor fisheries in cases where approximate catches are known from the beginning of ... -Reduction Analysis with Depletion-Corrected Average Catch. Data requirements include estimates of historical ... specified based on general fishery knowledge of the relative location of maximum productivity and the ... relationship of MSY fishing rate to the natural mortality rate. This leaves unfished biomass as the only ...
Meeting Document : WG-SAM-11/P2 : Auteur(s): E.J. Dick and A.D. McCall
-
Potential VMEs around Elephant and the South Shetland Islands (Subarea 48.1)
in the South Shetland Islands area. High biomass densities of VME indicator taxa, meeting the 10 kg ... ascidians) such that communities of many ‘light’ VME taxa have little to no chance of meeting this criterion ... types of communities where sponges and other heavy taxa occur. A clear example can be made of CITES ... high biomass-density station and even large colonies of which weigh relatively little. After applying ...
Meeting Document : WG-EMM-12/51 : Auteur(s): S.J. Lockhart (USA), N. Wilson (Australia) and E. Lazo-Wasem (USA)
-
Spanish research proposal for the 2016/17 season in Division 58.4.1
Abstract: In the 2012/13 fishing season Spain began the implementation of a multi-annual Research ... Plan for Divisions 58.4.1 and 58.4.2 in order to estimate local biomass of Dissostichus spp. by means ... of two methods: depletion and tagging. Although a big effort has been placed for their accomplishment ... , results have to be analyzed in the coming months but some doubt about the reliability of data could be ...
Meeting Document : WG-SAM-16/10 : Auteur(s): Delegation of Spain
-
Preliminary report on the South Orkneys Ecosystem Studies (SOES) field work undertaken by RRS James Clark Ross (JR15004) and associated field camps in January–February 2016
Abstract: This paper briefly describes the rationale and structure of the research cruise that ... formed a key component of the co-ordinated, multi-national South Orkney Ecosystems Studies focusing on ... the krill-based ecosystem in the main fishing area in Subarea 48 undertaken in the austral summer of ... 2015-16. The research cruise consisted of collection of at-sea data on the distribution, abundance and ...
Meeting Document : WG-EMM-16/19 : Auteur(s): J. Watkins, O.R. Godø, S. Fielding, C. Reiss, P. Trathan and E. Murphy
-
Predicting fishing ground accessibility in the Antarctic Weddell Sea
Abstract: Sea ice is a major constraint of fishery performance in the Southern Ocean seasonal sea ... establish statistical models of (i) accessibility, i.e. the probability that a particular area is navigable ... by fishery vessels at a given time, and of (ii) repeated accessibility, i.e. the probability that a ... conditions almost 50% of the entire WSMPA Planning Area is not suitable for fishery vessels at any time of ...
Meeting Document : WG-SAM-18/01 : Auteur(s): H. Pehlke, K. Teschke and T. Brey
-
Is CCAMLR science keeping up?
and update its conservation measures in the light of emerging environmental changes, latest scientific ... those developed by experts from outside of the ‘CCAMLR club’. Two examples were considered: the ... protection of VMEs and the mitigation of marine debris and plastic pollution. This consideration concluded ... recommends that CCAMLR: Implement a process to ensure regular review of conservation measures that are not ...
Meeting Document : SC-CAMLR-XXXVII/BG/29 : Auteur(s): Submitted by ASOC
-
Marine pollution
2.5.1 Effectiveness of CCAMLR to implement measures to provide for protection of the Southern ... Ocean and Antarctic environment from the impacts of vessels engaged in harvesting, research ... Committee agreed to adopt reporting on lost fishing gear as part of the C2 data forms; (2009) SC-CAMLR ... details of the prevention of marine pollution provisions of Annex IV to the Environmental Protocol ...
Page : Site Section: The Organisation
-
Research plan for the exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1, 58.4.2 and Subarea 48.6 in 2014/2015 (including CTD data in 88.1, 88.2)
Abstract: Most things related to Dissostichus spp. in the eastern side of Antarctic has not been ... sizes were vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1 and 100-1,500 t per ... -web of Dissostichus spp. has started to be studied in the southern Ross Sea. Some studies on biology ... of the fish have been evaluated, but those are not enough to assess the stocks and consider proper ...
Meeting Document : WG-SAM-14/21 : Auteur(s): Delegation of the Republic of Korea