Résultats de la recherche
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Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: This paper presents a new approach to the stratification of catch-at-length data of ... Antarctic toothfish (D. mawsoni) in the Ross Sea. Tree based regression techniques were used to stratify the ... sampled catch based on the median length of Antarctic toothfish for each set using the observer length ... frequency data. The median lengths were weighted within the regression by the inverse of the variance ...
Meeting Document : WG-FSA-SAM-05/8 : Auteur(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)
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ANTARCTIC KRILL DEMOGRAPHY AND POPULATION DYNAMICS WEST OF THE ANTARCTIC PENINSULA IN 2010/11
Abstract: A krill net sampling survey was carried out west of the Antarctic Peninsula in January ... OF THE ANTARCTIC PENINSULA IN 2010/11 Approval: Approved ... Elephant Island and the western entrance of Bransfield Strait, the “Polarstern” survey grid followed back ... , Salpa thompsoni. The results of this survey represent the most complete picture of the spatial ...
Meeting Document : WG-EMM-11/13 : Auteur(s): V. Siegel (Germany), C. Reiss (USA), K. Dietrich (USA), M. Haraldsson (Sweden) and G. Rohardt (Germany)
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Pilot study using electronic satellite tags to determine movements of Antarctic toothfish in the Ross Sea region
to the surface, and transmit in December 2012. The purpose of this paper is to provide an ... along the Ross Sea continental slope in January 2012. They will be programmed to pop-off the fish, float ... encountered in the fishery. The announcement details what to do if a satellite tagged fish is encountered, and ... Antarctic toothfish in the Ross Sea region Approval: Approved ...
Meeting Document : WG-FSA-11/49 : Auteur(s): S. Parker (New Zealand)
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Proposal for a longline survey of toothfish in the northern Ross Sea region (SSRUs 88.2 A and B)
to sample the toothfish populations in the northern areas (61°- 66° S) of SSRUs 88.2A–B. The purpose ... Title: Proposal for a longline survey of toothfish in the northern Ross Sea region (SSRUs 88.2 A and B ... of the research as requested by the Scientific Committee (SC-CAMLR XXXII, paragraph 3.76) is to ... models. Additional outcomes of the research relate to mapping the bathymetry of the fishable area ...
Meeting Document : WG-SAM-14/34 : Auteur(s): Delegations of New Zealand, Norway and the United Kingdom
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Proposal for a longline survey of toothfish in the northern Ross Sea region (SSRUs 88.2 A and B)
to sample the toothfish populations in the northern areas (61°- 66° S) of SSRUs 88.2A–B. The purpose ... : Proposal for a longline survey of toothfish in the northern Ross Sea region (SSRUs 88.2 A and B) Approval ... of the research as requested by the Scientific Committee (SC-CAMLR XXXII, paragraph 3.76) is to ... . Additional outcomes of the research relate to mapping the bathymetry of the fishable area, documenting ...
Meeting Document : WG-FSA-14/61 : Auteur(s): Delegations of New Zealand, Norway and the United Kingdom
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Hierarchical monitoring plans to determine patterns of change in the Antarctic Marine Ecosystem
the outcomes of the CEMP Review in 2003, and as a result highlight the intensity of monitoring ... monitoring plans to determine patterns of change in the Antarctic Marine Ecosystem Approval: Approved ... Abstract: In this paper we drawn comparison between the existing CCAMLR Ecosystem Monitoring ... monitoring could be employed to detect the first signs of change. Author(s): P. Trathan Title: Hierarchical ...
Meeting Document : WS-SM-18/06 : Auteur(s): P. Trathan
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Report on a random stratified trawl survey to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari conducted in the Heard Island region (Division 58.5.2), May–June 2006
in May-June 2006 had two main aims: • to assess the abundance and size structure of juvenile and ... Abstract: Random stratified trawl surveys (RSTSs) of the distribution and abundance of demersal ... adult Dissostichus eleginoides on the shallow and deep parts of the Heard Island Plateau.] • to assess ... the abundance and size structure of Champsocephalus gunnari on the Heard Island Plateau This paper ...
Meeting Document : WG-FSA-06/42 Rev. 1 : Auteur(s): G.B. Nowara, R. Williams and T. Lamb (Australia)
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Glider-based estimates of Antarctic krill in Bransfield Strait, and the West shelf off Livingston Island, Antarctica
biomass assessments of Antarctic krill (Euphausia superba) in the Bransfield Strait and the west shelf of ... from 350 glider profiles was 25.0 g m-2, compared with the mean biomass density of 28 g m-2 collected ... surveys conducted between 1997 and 2011. The mean biomass density of krill derived from restricting from ... the area of ship surveys to overlap with the area surveyed by the glider was 79 g m-2. Mean biomass ...
Meeting Document : WG-EMM-2019/13 : Auteur(s): C. Reiss, A. Cossio, G. Cutter, J. Walsh and G. Watters
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Pilot test of techniques to mitigate seabird interactions with catcher processor vessels in the Bering Sea pollock trawl fishery: final report
buoy placed in the offal stream forward of the warps. Results showed that both the snatch block and ... safe and practical deployment of the seabird interaction deterrents was proposed for 2005. Limited ... processor vessels in the Bering Sea pollock trawl fishery: final report Approval: Approved ... Abstract: We carried out a pilot research program in collaboration with industry to identify ...
Meeting Document : WG-FSA-05/37 : Auteur(s): E.F. Melvin, K.S. Dietrich and T. Thomas (USA)
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Proposal on establishment of a new fishery for craboids (Anomura, Decapoda) in the Subareas 88.2 and 88.3
: Proposal on establishment of a new fishery for craboids (Anomura, Decapoda) in the Subareas 88.2 and 88.3 ... Abstract: The Russian Federation proposes, in accordance with Measure 21-01, on establishment a ... ) in the 2019/20 season. The initiating a new craboid fishery in Subareas 88.2 and 88.3 would be ... consistent with CCAMLR’s regulatory framework. Author(s): Delegation of the Russian Federation Title ...
Meeting Document : WG-SAM-2019/21 : Auteur(s): Delegation of the Russian Federation