Search results
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Are we there yet? Evaluating and reporting progress towards a Representative System of Marine Protected Area across the CAMLR Convention Area
Abstract: In 2008, CCAMLR agreed that the establishment of a representative system of marine ... protected areas (RSMPA) by 2012 was a priority. This assessment shows that the Scientific Committee and ... criteria that are based on robust ecological and experimental design principles, and the Commission’s ... objectives. This study indicates that the currently designated marine protected areas provide important ...
Meeting Document : WS-SM-18/14 : Author(s): D.C. Welsford
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Are we there yet? Evaluating and reporting progress towards a Representative System of Marine Protected Area across the CAMLR Convention Area
Abstract: In 2009, CCAMLR agreed that the establishment of a representative system of marine ... protected areas (RSMPA) by 2012 was a priority. This assessment shows that the Scientific Committee and ... criteria that are based on robust ecological and experimental design principles, and the Commission’s ... objectives. This study indicates that the currently designated marine protected areas provide important ...
Meeting Document : WG-EMM-18/31 : Author(s): D.C. Welsford
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Comparison of long-term trends in abundance, recruitment and reproductive success of five populations of Pygoscelis penguins in the South Shetland Islands, Antarctica
Abstract: Responses of predator populations to environmental variability in the Antarctic have ... Livingston Island, South Shetland Islands, Antarctica, were examined to compare up to 25 years of data on the ... , recruitment, and summer breeding performance of the Adélie (P. adeliae), gentoo (P. papua), and chinstrap ... penguins (P. antarctica). In general, the different trends in abundance and recruitment indices for each ...
Meeting Document : WG-EMM-06/21 : Author(s): J.T. Hinke (USA), K. Salwicka (Poland), S.G. Trivelpiece, G.M. Watters and W.Z. Trivelpiece (USA)
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Effects of sea-ice extent and krill or salp dominance on the Antarctic food web
trophic levels in the Antarctic marine food web. The pelagic tunicate Salpa thompsoni can also be ... important during spring and summer through the formation of extensive and dense blooms. Although salps are ... chlorophyll-a that indicate that there is a degree of competition between krill and salps. Our analysis of the ... decreased frequency of winters with extensive sea-ice development over the last five decades. Our data ...
Meeting Document : WG-EMM-97/73 : Author(s): Hewitt, R., Trivelpiece, S., Fraser, W., Holm-Hansen, O., Siegel, V., Trivelpiece, W., Loeb, V.
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Genetic identification of fish caught as by-catch in the Antarctic krill fishery and comparison with observer records
Abstract: Juvenile/larval fish taken as bycatch in the Antarctic krill fishery (CCAMLR subarea ... identifications made on vessels by scientific observers. A total of 344 fish (primarily in the families ... provided by observers were good for the common species Champsocephalus gunnari and Lepidonotothen larseni ... DNA barcoding. Many of the specimens (n=136) were recorded to family-level by observers; genetic ...
Meeting Document : WG-EMM-18/30 : Author(s): A. Polanowski, J. Clark, D. Maschette, D. Welsford and B. Deagle
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On necessity of reconsideration of geographic boundaries, TAC estimates and duration of research fishing of Antarctic toothfish in SSRUs of Subarea 88.1 in the Ross Sea
Abstract: The comparative analysis of fishing and investigations on Antarctic toothfish ... distribution in the Ross Sea (Pacific Sector of Antarctic) show the complete failure of division of Subarea ... 88.1 on 12 SSRUs accepted in 2003 and allocation of TACs (quotas) based on the square areas of bottom ... and CPUEs (kg/1000 hooks) received for the other toothfish species (Patagonian toothfish) in Subarea ...
Meeting Document : WG-FSA-05/72 : Author(s): K.V. Shust, N.V. Kokorin and A.F. Petrov (Russia)
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Analysis of dietary overlap in Antarctic fish (Notothenioidei) from the South Shetland Islands: no evidence of food competition
fish assemblages at the South Shetland Island area. Using tyler’s (1972) method, the reoccurrence of ... main and secondary prey among fish predators was 33% in summer and 37% over the year at Potter Cove; 25 ... . Likewise, using the “S” index of Linton et al. (1981) the diet similarity between most species pairs is ... (Notothenioidei) from the South Shetland Islands: no evidence of food competition Approval: Approved ...
Meeting Document : WG-FSA-03/13 : Author(s): E. Barrera-Oro (Argentina)
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Protection of young fish and spawning aggregations in the fishery for Champsocephalus gunnari in Subarea 48.3 (South Georgia): a discussion
Abstract: The need to protect young fish and spawning aggregations in fisheries generally, and ... specifically in the C. gunnari fishery in Subarea 48.3, is reviewed. Mechanisms available to achieve these ... objectives are discussed, including the measures put in place by CCAMLR to date. These measures are re ... -examined in the light of new information, and a strategy for the future protection of young fish and ...
Meeting Document : WG-FSA-99/52 : Author(s): G. Parkes (United Kingdom)
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Research plan for the exploratory fisheries for Dissostichus spp. in Subarea 48.6 and Divisions 58.4.1, 58.4.2 and 58.4.3a in 2013/14
Abstract: Japan has notified its intention to participate in the exploratory fisheries for ... Dissostichus spp. in Subarea 48.6 and Divisions 58.4.1, 58.4.2 and 58.4.3a in 2013/14. The research plan ... details the objectives, rationale and activities proposed for research fishing, in accordance with ... Conservation Measures 21-02 and 24-01. A progress report on the research fishing in Subarea 48.6 in 2012/13 was ...
Meeting Document : WG-SAM-13/09 : Author(s): Submitted by the Secretariat on behalf of Japan
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Start date of the CCAMLR fishing season for Antarctic krill
Abstract: In this paper we consider whether the CCAMLR fishing season for Antarctic krill should ... for management. We review data on the breeding phenology of predators, and use data from the CCAMLR ... Statistical Bulletin (Version 28) to explore whether there are times of year that would reduce the potential ... for competition between land-based krill-eating predators and the fishery. Author(s): P. Trathan and ...
Meeting Document : WG-EMM-16/16 : Author(s): P. Trathan and S. Hill