Search results
-
Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4
Abstract: A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... 48.4; A total of 186 D. eleginoides and 202 D. mawsoni were tagged and released in 2010, leaving a ...
Meeting Document : WG-FSA-10/40 : Author(s): J. Roberts and D. Agnew (UK)
-
Age validation of juvenile Notothenia rossii at Potter Cove, South Shetland Islands, using mark-recapture data
Abstract: Among all validation methods of age determination in fish, release of known age and ... principle of annual deposition of an annulus in scales and otoliths. Of 132 juvenile specimens (TL = 22.1 ... after periods of 1–13 months. In scales of five specimens recovered after 10–13 months, one extra ... annulus was laid down, exhibiting an additional winter zone of closely spaced sclerites. Consistently, the ...
Meeting Document : WG-FSA-13/P01 : Author(s): E. Moreira, E. Barrera-Oro and M. La Mesa
-
Larval development and spawning ecology of euphausiids in the Ross Sea and its adjacent waters in 2004/05
Abstract: The horizontal and vertical distributions of larvae and reproductive timing of ... . Occurrences of larvae of Euphausia frigida and E. triacantha were confined to the northern oceanic area where ... distribution further southward to the area where cooler Lower Circumpolar Deep Water prevailed. Larvae of ... juvenile or adult stages. Eggs and larvae of E. superba occurred with gravid females along the slope, but ...
Meeting Document : WG-EMM-10/P06 : Author(s): K. Taki, T. Yabuki, Y. Noiri, T. Hayashi and M. Naganobu
-
Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 2000 winter and the 2000/01 breeding season
Abstract: Results of the survey of entanglements of Antarctic fur seals at Bird Island, South ... reported here. The number of entanglements showed an increase from recent years, with 20 entanglements ... entanglements over the 2000 winter than in 1999; some of which can be explained by interannual variation in the ... injuries accounted for 35% of entanglements over winter and 23% during the summer. As in previous years ...
Meeting Document : SC-CAMLR-XX/BG/03 : Author(s): Delegation of the United Kingdom
-
Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update
Abstract: In this paper we update the assessment of D. eleginoides in the northern half of ... catch at age model generates a yield of 52 tonnes based on CCAMLR decision rules. In 2006 the northern ... subdivision of 48.4 was set north of Saunders Island after consideration of oceanographic and bathymetric data ... , and for the purpose of the experimental work leading to a stock assessment. Data collected in the ...
Meeting Document : WG-FSA-11/38 : Author(s): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)
-
Informing and seeking advice from WG-SAM-18 about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... of SAM or might be of interest to participants at SAM 2018: Unifying the previously two separate ... WSMPA parts into one coherent WSMPA by closing the gap on the eastern coast of the Antarctic Peninsula ... ; Adjustment of the habitat of adult Antarctic toothfish in statistical areas 48.6 and 48.5 as a result of ...
Meeting Document : WG-SAM-18/16 : Author(s): S. Hain, K. Teschke, H. Pehlke and T. Brey
-
Informing and seeking advice from WS-SM 2018 about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... under the remit of, or might be of interest to participants at the WS-SM 2018: Unifying the previously ... two separate WSMPA parts into one coherent WSMPA by closing the gap on the eastern coast of the ... Antarctic Peninsula; Adjustment of the habitat of adult Antarctic toothfish in statistical areas 48.6 and ...
Meeting Document : WS-SM-18/08 : Author(s): S. Hain, K. Teschke, H. Pehlke and T. Brey
-
Non-native Species in the Antarctic: Report of a Workshop
south of 60° South, including, for example, male and female specimens of the North Atlantic Spider crab ... the risks of new species being introduced and becoming established are increasing. To assess these ... and Antarctica, in April 2006. The outcomes to the workshop were presented in a series of papers to ... the ninth meeting of the Committee for Environmental Protection (CEP). CCAMLR’s Article II requires ...
Meeting Document : SC-CAMLR-XXV/BG/21 : Author(s): Delegation of New Zealand
-
Characteristics of krill aggregations in 48.4 subdivision during January–February 2000
presence of non-aggregated and scattered form, swarms, when surveying (January 17-February 1, 2001).. There ... have been revealed differences between spatial distribution patterns of krill aggregations of different ... characteristics of some 2400 krill swarms detected and sized acoustically in the study area have been described ... been made an analysis of krill biomass horizontal and vertical distributions in the study area in ...
Meeting Document : WG-EMM-01/42 : Author(s): S.M. Kasatkina, A.P. Malyshko, V.N.Shnar and O.A. Berezhinskiy (Russia)
-
Entanglement of Antarctic fur seals in marine debris at Cape Shirreff and San Telmo Islets, Livingston Island, Antarctica: 1988–1997
Abstract: We have compiled the records of Antarctic fur seals (Arctocephalus gazella) entangled ... results indicate that 45% of the entanglement material found in a total of 20 individuals (nine subadult ... debris like net fragments (ghost nets) and nylon ropes. We have managed to liberate 35% of the total ... entangled animals (four females, one juvenile male, and two pups). The total percentage of entangled animals ...
Meeting Document : SC-CAMLR-XVI/BG/33 : Author(s): Delegation of Chile