Search results
-
A review of tag-based stock assessments of the Antarctic toothfish Dissostichus mawsoni in Subarea 48.4
Abstract: The stock abundance of Antarctic toothfish in Subarea 48.4 is estimated using tag based ... mark-recapture analysis. During WG-FSA-14 the recommendation was made that the stock should move from ... the Petersen estimation method to the use of the Chapman bias corrected estimator; a correction ... specifically developed to reduce estimation bias in populations with low recaptures, a feature typical of the ...
Meeting Document : WG-FSA-15/44 : Author(s): N. Walker, M. Soeffker, V. Laptikhovsky and T. Earl (United Kingdom)
-
Estimating prey consumption of the non-breeder component of an Adélie penguin population
Abstract: Estimating the consumption of prey by higher-order predators is a priority for WG-EMM ... as an element in CCAMLR’s ecosystem-based approach to management for the krill fishery in the ... recorded at the breeding colonies. However, recent work suggests that the size of the non-breeder component ... of an Adélie penguin population can be substantial compared with the size of the breeder population ...
Meeting Document : WG-EMM-17/12 : Author(s): L. Emmerson and C. Southwell
-
Outline for year 2 of the 3-year longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4
Abstract: This paper outlines the specific research objectives and plan to achieve them for the ... second year of an agreed 3-year longline survey, in the wider context of connecting the recently ... undertaken surveys in Subarea 48.2 with the established fishery in Subarea 48.4. The overall research ... distributions of benthic bycatch species. This paper reiterates the key points of WG-SAM-17/34, updates ...
Meeting Document : WG-FSA-17/45 : Author(s): M. Söffker and M. Belchier
-
Gap analysis: comparing CCAMLR’s port state measures with those in the FAO Agreement on Port State Measures to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing
Abstract: ASOC is submitting for the consideration of the Commission and of the Standing ... Committee on Implementation and Compliance (SCIC) the preliminary results of research conducted by the Pew ... Environment Group (PEG) to compare the port State measures established by ten Regional Fisheries Management ... Organizations (RFMOs) with the port State measures established by the FAO Port State Measures Agreement (PSMA ...
Meeting Document : CCAMLR-XXIX/BG/25 : Author(s): ASOC Observer
-
THE STRUCTURE AND FUNCTIONING OF MARINE ECOSYSTEM IN ARGENTINE ISLANDS WATERS
Abstract: The long-term environmental monitoring has been provided the insight into the integral ... structure of marine ecosystem in a poorly investigated coastal area of Argentine Island Archipelago The ... structure and functioning of the local biota has a specific response of environmentally different involved ... toxic heavy metals. The pollution inhibits normal reproduction of Antarctic krill, the population ...
Meeting Document : WG-EMM-11/P5 : Author(s): E.Z. Samyshev
-
PRELIMINARY RESULTS OF THE EXPERIMENT ON DEFINITION OF ANTARCTIC KRILL MORTALITY RATE IN FISHERY
out aboard Polish vessel Dalmor II according to the pattern submitted in paper SC-CAMLR-XXVIII/BG/10 ... . Approximately 230 to 130 kg of krill are percolated and punched through per an hour of trawling if the average ... catch per an hour of trawling is about 8 tons and towing speed is 2.6-2.7 knots. The key parameters of ... trawling which influence the value of the Antarctic krill mortality rate are: the trawl configuration and ...
Meeting Document : WG-EMM-11/15 : Author(s): L. Pshenichnov and K. Vyshniakova (Ukraine)
-
Relationship between Antarctic krill (Euphausia superba) variability and westerly fluctuations and ozone depletion in the Antarctic Peninsula area
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... affects the Antarctic marine ecosystem as a whole. We have assessed variability in krill recruitment and ... ) determined from sea level pressure differences across the Drake Passage, sea ice cover, and ozone depletion ... . We found a significant positive correlation between krill recruitment in the Antarctic Peninsula area ...
Meeting Document : WG-EMM-99/52 : Author(s): M. Naganobu, K. Kutsuwada, Y. Sasai and T. Taguchi (Japan) and V. Siegel (Germany)
-
Diet and foraging effort of Adélie penguins in relation to pack-ice conditions in the southern Ross Sea
Abstract: We investigated the diet and aspects of foraging effort among Adélie Penguins ... Pygoscelis adeliae breeding at three colonies on Ross Island, in the southwestern Ross Sea-- Capes Royds ... , Bird and Crozier-- during the chick provisioning period of three austral summers, 1994-95, 1995-96 and ... 1996-97. During the study period, pack-ice cover differed in waters offshore of these colonies, by ...
Meeting Document : WG-EMM-98/15 : Author(s): D.G. Ainley (USA), P.R. Wilson, K.J. Barton (New Zealand), G. Ballard, N. Nur (USA) and B. Karl (New Zealand)
-
Proposal for a CCAMLR-sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea
Abstract: The exploratory longline fishery for Dissostichus spp. has now been operating for 14 ... years in Subarea 88.1 and for nine years in Subarea 88.2. The research and assessment work in these ... areas on the distribution, abundance and demography of Antarctic toothfish (D. mawsoni) has led to an ... estimate of the fisheries potential yield. However, one source of ongoing uncertainty in the stock ...
Meeting Document : SC-CAMLR-XXX/07 : Author(s): Delegation of New Zealand
-
Prohibition of shark finning in the CAMLR Convention Area
Abstract: In 2006, CCAMLR adopted Conservation Measure 32-18 on the conservation of sharks. The ... measure prohibits the “directed fishing on shark species in the Convention Area…” and calls for the live ... release of incidentally-caught sharks where possible. The measure is, however, silent on the practice of ... shark finning should incidental catches of sharks occur. The U.S. delegation proposes to amend CCAMLR ...
Meeting Document : CCAMLR-XXX/25 : Author(s): Delegation of the USA