Search results
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The importance of Antarctic Toothfish as prey of Weddell Seals in the Ross Sea: a Review
Abstract: Uncertainty exists over the importance of Antarctic toothfish (Dissostichus mawsoni) as ... prey of top predators in the Ross Sea. We herein assess relative weight given to direct, observational ... evidence of prey taken, as opposed to indirect evidence from scat and biochemical analysis, and conclude ... of large toothfish and therefore they are not detected in scat or stomach samples; biochemical ...
Meeting Document : WG-EMM-09/P02 : Author(s): D.G. Ainley and D.B. Siniff
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REVISION OF CCAMLR’S SYSTEM OF INSPECTION
proposes that the Commission update its own System of Inspection to better support the wide range of strong ... , unreported and unregulated (IUU) fishing. CCAMLR’s System of Inspection has not undergone significant ... Convention Area, reflective of the significant operational, technological, and legal advancements in ... fisheries enforcement that have occurred during that time as well as the increased recognition of the threat ...
Meeting Document : CCAMLR-XXVIII/40 Rev. 1 : Author(s): Delegation of the USA
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ANNUAL CHANGES IN SPECIES COMPOSITION AND ABUNDANCE OF BY-CATCH FISH COLLECTED BY JAPANESE KRILL SCIENTIFIC OBSERVERS IN THE NORTH OF SOUTH GEORGIA (CCAMLR SUBAREA 48.3), DURING AUSTRAL WINTER FROM 2002 TO 2008
Abstract: Species composition and abundance of by-catch fish were analyzed using the fish by ... north of South Georgia during the austral winter from 2002 to 2008. A total of 19 species belonging to 8 ... most abundant. Different life stages of K. anderssoni, Gymnoscopelus nicholsi, C. gunnari and L ... around South Georgia. The length frequency distribution of C. gunnari varied with years and may indicate ...
Meeting Document : WG-EMM-11/40 : Author(s): T. Iwami, K. Taki and M. Kiyota (Japan)
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UPDATED PRELIMINARY RESULTS OF AN ECOLOGICAL RISK ASSESSMENT FOR SEABIRDS AND MARINE MAMMALS WITH RISK OF FISHERIES INTERACTIONS
Abstract: We examined a methodology for assessing potential risk of interactions between ... fisheries and species of special interest (seabirds and marine mammals) by applying a Productivity ... -Susceptibility Analysis to a data set of species distribution, biological information and fishing effort. This ... type of Level Two Ecological Risk Assessment (ERA) has been used across fishery management regimes to ...
Meeting Document : WG-FSA-08/51 : Author(s): S. Waugh, D. Filippi, N. Walker (New Zealand) and D.S. Kirby
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Analysis of krill fishery operations in Subarea 48.1: spatial-time distribution of CPUE and fishing efforts
values of standardized CPUE indices in the Subarea 48.1 for the last 25 years. We continue to investigate ... krill fishery data for understanding reasons of this ‘high CPUE’ regime. The authors present the ... analysis of spatial- temporal variability of krill fishery based on CPUE trends, trawling duration, catch ... the changes in fishing methods but is result of the influence of changing environment. Impact of ...
Meeting Document : WG-EMM-14/21 : Author(s): S. Kasatkina and P. Gasyukov (Russia)
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The reliability of VHF telemetry data for measuring attendance patterns of marine predators: a comparison with Time Depth Recorder data
patterns of otariid seals. These data have been used in a wide variety of ways, from characterizing the ... reproductive and foraging ecology of these species to inferring ecosystem changes based on variation in ... attendance patterns. Yet the accuracy of VHF data has never been appropriately evaluated. Our study compares ... -collected Time-and-Depth Recorder (TDR) data used as the ‘true’ measurement of time spent onshore. Within ...
Meeting Document : WG-EMM-15/P05 : Author(s): A.D. Lowther, H. Ahonen, G. Hofmeyr, W.C. Oosthuizen, P.J. Nico De Bruyn, C. Lydersen and K. Kovacs
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Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots
of the greatest fishery in Antarctic waters. Management of the fishery is based on a precautionary ... and temporal pattern of the fishery is only described in meso to macro scales (>>10 4 km 2 ... ). Here we present a novel analysis to identified fishing grounds, using statistical analysis of hotspots ... , in this case, fishing hotspots (FH), combined with a temporal analysis to assess persistence of these ...
Meeting Document : WG-EMM-16/52 : Author(s): F. Santa Cruz, B. Ernst and J.A. Arata
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On observations of ectoparasites of icefish Champsocephalus gunnari in Subarea 48.3 in March 1999
fishery for Champsocephalus gunnari in CCAMLR subarea 48.3. During the processing of catches taken in the ... area of the northwestern slope, two species of parasites were revealed: copepod Eubrachiella antarctica ... and leech Trulliobdella capitis Brinkman, 1948. Statistical data collected during examination of more ... than 3.000 specimens of icefish has shown that the average infestation of fish with copepods ...
Meeting Document : WG-FSA-99/58 : Author(s): V.L. Senioukov (Russia)
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Course of fisheries in the Lena Bank area (Division 58.4.4) in the season of 1990-91
Abstract: In the season of 1990/1991, fishing operations in subarea 58.4.4. (Lena Bank) wer4e ... made 971 t of grey rockcod Notothenia squamifrons and 29 t of Patagonian toothfish Dissostichus ... it is necessary to update the relevant documents. The size-age composition of catches did not suffer ... significant changes. The mean fish age made 7.0 years. Interannual fluctuations in size-age composition of ...
Meeting Document : WG-FSA-94/07 : Author(s): A.K. Zaitsev (Ukraine)
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Some aspects of spatial–temporal variability of hydrodynamic water circulation and krill distribution in the Scotia Sea
Abstract: The authors considered the inter-annual variability of krill transport factors in the ... Scotia Sea analysing data from available meso-scale surveys covered the Scotia Sea. The subject of ... of water masses (kg / m 3) and krill biomass (g / m3) transporting across the survey area. Obtained ... estimates were compared with those from CCAMLR 2000 Survey. It was shown that the presence or absence of ...
Meeting Document : WG-EMM-16/39 : Author(s): S.M. Kasatkina and V.N. Shnar