Search results
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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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Fish prey of the wandering albatross Diomedea exulans at South Georgia
Abstract: The fish diet (45% of total diet by weight) of Wandering Albatrosses rearing chicks at ... South Georgia during the austral winters of 1983 and 1984 was investigated using otoliths retrieved from ... regurgitations. These provide the first quantitative data for this species and for any albatross. By number of ... (estimated from otolith length) of the main species was Pseudochaenichthys 51%, Muraenolepis 14 ...
Meeting Document : SC-CAMLR-VII/BG/05 : Author(s): J.P. Croxall, A.W. North and P.A. Prince (United Kingdom)
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Report of the Second International Workshop for identifying Marine Protected Areas (MPAs) in Domain 1 of CCAMLR (Palacio San Martín, Buenos Aires, Argentina, 25 to 29 May 2015)
Abstract: This report presents the results of the Second International Workshop for identifying ... Marine Protected Areas (MPAs) in Domain 1 of CCAMLR. The workshop was held in Buenos Aires, Argentina ... , from 25 to 29 May 2015. During the workshop, discussions were concentrated in reviewing and analyzing ... ), important areas for zooplankton life cycles (krill nurseries), and whales distribution during the non ...
Meeting Document : WG-EMM-15/42 : Author(s): Second WS-MPA Domain 1
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Species identification illustrated guide of the Southern Ocean - CCAMLR convention area 48, 58, and 88
Abstract: The purpose of this species identification illustrated guide is to facilitate by-catch ... species identification with real photographs in the Southern ocean. All of the photographs provided in ... this guide have been taken photographs by the author from aboard trawler (Target species: Euphausia ... superba) and longliner (Target species: Dissostichus spp.) of commercial fishery purposes in the Southern ...
Meeting Document : WG-EMM-15/06 : Author(s): Delegation of the Republic of Korea