Search results
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Strengthening the joint work of the CEP and SC-CAMLR on climate change
outcomes for the workshop, including: agreeing on a scientific baseline; compiling overviews of existing ... a process for information updates and exchange; considering mechanisms for temporary protection of ... areas affected by rapid climate events such as the collapse of an ice shelf; considering possible ... issue is the only way that the ATS will develop an organized, responsive approach to addressing the ...
Meeting Document : SC-CAMLR-XXXIV/BG/29 : Author(s): Submitted by ASOC
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Proposed movement of boundary between Subareas 88.1 and 88.2
Abstract: This paper proposes an administrative realignment of the boundary between Statistical ... Subarea 88.1 and Statistical Subarea 88.2 in order to harmonise with the exploratory fisheries for ... complexity that currently adds an administrative burden on Members and the Secretariat in respect of fishery ... notifications, vessel movements, catch reporting and the Catch Documentation Scheme for Dissostichus spp. (CDS ...
Meeting Document : CCAMLR-XXXVII/22 : Author(s): CCAMLR Secretariat
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The structure and spatial distribution of Antarctic krill aggregations from acoustic observation in the South Georgia area
parts of South Georgia area. The boundary between two areas is located at about 37°30/ W. It is shown ... Georgia area. The boundary between two areas is located at about 37°30/ W. It is shown that in winter ...
Meeting Document : WG-EMM-04/66 Rev. 1 : Author(s): S.M. Kasatkina (Russia)
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Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program
Abstract: A potential method is presented for combining data collected as part of the CCAMLR ... ecosystem monitoring program (CEMP) into a single index for each of predator, prey and environmental ... that missing values were unlikely to be a problem for time series of parameters that are highly ... correlated (greater than 0.6). Criteria for inclusion of parameters in the indices are discussed when ...
Meeting Document : WG-EMM-00/14 Rev. 1 : Author(s): W. de la Mare and A. Constable (Australia)
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Uncertainty in acoustic surveys of Antarctic krill
provided corroboration to an empirical model developed from a linear regression. However, TS values have ... in species delineation was also investigated, through the development of a statistical technique for ... ). A method was developed for compensating acoustic biomass estimates for the effects of DVM. Applying ... the compensation function to survey data, the resulting biomass estimates were an average of 1.8 dB ...
Meeting Document : WG-EMM-95/72 : Author(s): Demer, D.A.
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Analysis of scientific observer data from the Saga Sea 2006–2007
not create an ideal sampling environment for comparing the performance of the two types of trawls ... Sea from June 2006 to June 2007. This paper presents an initial analysis of the krill and fish bycatch ... for a number of weeks or months before changing, for operational reasons to the other type. This did ... catch rates of larval fish on the Saga Sea are similar to those reported for conventional trawls. Author ...
Meeting Document : WG-EMM-07/16 : Author(s): P. Orr, J. Hooper, D. Agnew, J. Roe, G. Doherty and A. Pryor
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Using tag-recapture data to estimate catchability of a series of random stratified trawl surveys
fishing selectivity cannot be corrected for given the available data. In the absence of an unbiased ... Abstract: For the 2014 assessment of Patagonian toothfish (Dissostichus eleginoides) around the ... Heard Island and McDonald Islands (HIMI) in Division 58.5.2, a prior for catchability q of the random ... used for abundance estimates from trawl surveys in a toothfish stock assessment. The bounds of such as ...
Meeting Document : WG-SAM-15/34 : Author(s): W. de la Mare, P. Ziegler and D. Welsford (Australia)
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Marine debris surveys at Bird Island, South Georgia 1990 to 1995
to reduce entanglement of marine mammals and birds. Overall, and in all but one year, the highest incidence ... entanglement of marine mammals and birds. Overall, and in all but one year, the highest incidence of debris ...
Meeting Document : CCAMLR-XV/BG/05 : Author(s): Delegation of the United Kingdom
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Fishes caught along with the Antarctic krill in the vicinity of the South Georgia Island during the austral winter months of 1992
found in 20 trawl catches. Among by-catch fishes, juvenile Lepidonotothen larseni was the most abundant ... Champsocephalus gunnari ranging 80.5 to 88.3mm of SL and one adult specimen of Electrona antarctica (72.1mm of SL ... in 20 trawl catches. Among by-catch fishes, juvenile Lepidonotothen larseni was the most abundant (62 ... gunnari ranging 80.5 to 88.3mm of SL and one adult specimen of Electrona antarctica (72.1mm of SL) were ...
Meeting Document : WG-KRILL-93/51 : Author(s): T. Iwami (Japan)
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Dynamics of Antarctic penguin populations in relation to inter-annual variability in sea-ice distribution
were there significant relationships between population size and breeding success, except for an ... population size remained stable, whereas that of chinstrap penguins decreased slightly. For neither species ... of eggs hatching. For both species, no general relationship was found between either population size ... breed. For both species, this period occurred before the sea ice reached its maximum extent and was ...
Meeting Document : WG-EMM-96/10 : Author(s): Murphy, E.J., Croxall, J.P., Trathan, P.N.