Search results
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Evidence of two stocks of Champsocephalus gunnari in the South Georgia region, CCAMLR fishing Area 48.3
Abstract: In 1991, the 0 age-class of C. gunnari were sampled at Shag Rocks on 18 January, off ... Possession Bay, South Georgia during 19-20 January and off much of the north-east coast of South Georgia ... between to 19 January to 19 February. The size- frequency of fish at Shag Rocks contained two modes of 31 ... combined samples off the coast of South Georgia were 24-63mm SL. The mean and median sizes of the fish at ...
Meeting Document : WG-FSA-94/16 : Author(s): A.W. North (United Kingdom)
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Development of a fine-scale model of land-based predator foraging demands in the Antarctic
Abstract: The CCAMLR Secretariat has been requested to provide annual calculations of the catch ... of krill within the critical period-distance of land-based predators in Subareas 48.1 and 48.2 (100km ... from colonies, December- March). This index of the overlap of predators and the fishery is unsuitable ... is developed, which is based on a detailed model of the supposed functional interaction between these ...
Meeting Document : WG-Joint-94/08 : Author(s): D.J. Agnew and G. Phegan (Secretariat)
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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 : Author(s): V.A. Sushin and F.F. Litvinov (Russia)
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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 : Author(s): R.J. Smith and K. Metcalfe (UK)
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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 : Author(s): Naganobu, M., Kishi, M.J.
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Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January – February 1987
Abstract: Surveys of the South Shetland Islands, Antarctica in 1987 provided data on the size and ... location of penguin and Antarctic Blue-eyed Shag colonies and the breeding status of other seabirds. Our ... estimate of 1,618,370 to 2,084.570 breeding Chinstrap Penguins, the most abundant penguin in the study area ... . is two to three times the previous estimate. Other seabird species were also found to be more ...
Meeting Document : SC-CAMLR-VI/BG/19 : Author(s): W.D. Shuford and L.D. Spear (USA)
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Estimating the abundance of pack-ice seals off east Antarctica
Abstract: A survey was undertaken to provide estimates of the abundance of crabeater, Ross and ... helicopters to estimate the density of seals hauled out on the ice in survey strips. The probability of ... -linked dive recorders were deployed on a sample of seals to estimate the probability of seals being ... hauled out on the ice at any time of day. Due to non-random placement of survey transects, model-based ...
Meeting Document : WG-EMM-05/23 : Author(s): C. Southwell (Australia), D. Borchers, C. Paxton (United Kingdom), B. de la Mare (Canada), P. Boveng (USA), A.S. Blix and E.S. Nordoy (Norway)
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Estimation of the green weight of krill caught
Abstract: Vessels operating in the krill fishery in CCAMLR’s Convention Area have been required ... to directly estimate the green weight of krill caught since 2012/13. The estimation methods were ... parameter values are reported in each vessel’s haul-by-haul catch and effort data. This paper reviews the ... data reported in 2013/14 (to May 2014). Vessels fishing in 2013/14 used six methods for the direct ...
Meeting Document : WG-EMM-14/29 : Author(s): Secretariat
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Preliminary report on krill survey off the coast of East Antarctica (Enderby Land to Prydz Bay) February-March 2015
Abstract: The Australian Antarctic research and resupply vessel, RV Aurora Australis, was ... station resupply. The purpose of this opportunistic Marine Science work was to assess: The spatial ... variability, particularly along the shelf break, of the prey field for penguins, flying seabirds and marine ... mammals in East Antarctica. The small scale variability of prey in key foraging locations near to land ...
Meeting Document : WG-EMM-15/22 : Author(s): S. Kawaguchi, A. Constable, L. Emmerson, C. Southwell, R. King, K. Westwood and K. Swadling (Australia)
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CLASSIFICATION GUIDE FOR POTENTIALLY VULNERABLE INVERTEBRATE TAXA IN THE ROSS SEA LONG-LINE FISHERY
Abstract: Conservation Measure 22-06, in the absence of site-specific or other conservation ... to be taken when evidence of a Vulnerable Marine Ecosystem (VME) is encountered in the course of ... organisms to the appropriate taxonomic grouping has not been a standard procedure, and no identification ... guide specific to both indicative VME taxa and Antarctic species has been developed. The objective of ...
Meeting Document : WG-FSA-08/19 : Author(s): S. Parker, D. Tracey, E. Mackay, S. Mills, P. Marriott, O. Anderson, K. Schnabel, D. Bowden and M. Kelly (New Zealand)