Résultats de la recherche
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Preliminary results of the three season research surveys of the Spanish FV Tronio in Division 58.4.1
year of the multi-year research survey in the Division 58.4.1, as far as the ice condition allowed, the ... along the area has been carried on. Preliminary results of the last 2015/16 season survey are presented ... together with a comparative analysis of the three-seasons carried out in this division. A depletion ... experiment has been made in each of the prospected SSRUs. Results in SSRUs 5841H and G are not conclusive ...
Meeting Document : WG-SAM-16/40 Rev. 1 : Auteur(s): R. Sarralde, L.J. López-Abellán and S. Barreiro
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Updated assessment of the risks of status quo krill fishing and proposed revisions to Conservation Measure 51-07
Abstract: We used an ecosystem model to assess the risks of 1) the most recent distribution of ... . Our results show that the concentration of fishing effort since 2009 increases the risks that predator ... exacerbated by increased catches in Subarea 48.1. We briefly discuss the implications of our results and ... alternative approaches for spatial management of the krill fishery. Author(s): Delegation of the USA Title ...
Meeting Document : SC-CAMLR-XXXV/BG/36 : Auteur(s): Delegation of the USA
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Population variability of biological parameters of penguins along the Antarctic Peninsula
Abstract: A collection of published papers about population variability of several biological ... contribute to the general knowledge of penguin biological variation, to generate a data baseline in the ... context of environmental changes such as climate change and human activity and to support the proposal of ... the Western Antarctic Peninsula protected marine area. The results show higher levels of immunological ...
Meeting Document : WG-EMM-2019/72 : Auteur(s): A. Barbosa
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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 : Auteur(s): T. Iwami, K. Taki and M. Kiyota (Japan)
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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 : Auteur(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 : Auteur(s): A.K. Zaitsev (Ukraine)
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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 : Auteur(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 : Auteur(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 : Auteur(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 : Auteur(s): F. Santa Cruz, B. Ernst and J.A. Arata