Résultats de la recherche
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Downward adjustments to local catch limits for the krill fishery in Subarea 48.1
the gSSMUs defined in another compilation of vignettes (AERD 2016a, pp. 3-13). We propose downward ... suggests that catch limits in the Bransfield Strait would have been decreased about 43% of the time while ... catch limits for the group of coastal SSMUs in the Drake Passage and around Elephant Island would have ... monitor, with remote cameras, the mean ages at crèche of Adélie, chinstrap, and gentoo penguins at ...
Meeting Document : WG-EMM-16/46 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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Update to recruitment series for Patagonian toothfish in the Heard Island region
Abstract: The recent fish survey at in the vicinity of Heard Island in 2000 has provided ... toothfish smaller than 450 mm are likely to be found predominantly in the shallow part of the Heard Plateau ... estimates of recruitment for at least one new cohort (1996) and another estimate of the 1995 cohort. The ... older cohorts are likely to be distributed more widely than the shallow part of the Heard Plateau ...
Meeting Document : WG-FSA-00/42 : Auteur(s): A. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: developing links between ICED and CCAMLR
been made in understanding the structure and functioning of ecosystems, modelling species and food webs ... Abstract: Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) is a regional ... programme of the Integrated Marine Biogeochemistry and Ecosystem Research (IMBER) Programme and is closely ... analyses to improve our understanding of change and the implications for Southern Ocean ecosystems and for ...
Meeting Document : WG-EMM-16/22 : Auteur(s): E. Murphy, R. Cavanagh, N. Johnston, E. Hofmann and A. Constable
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Candidate baseline data for ecosystem indicators in the Ross Sea region
indicate the current status of marine ecosystems in the Ross Sea region. These data could then be used as ... Type C (Ross Sea) killer whales and estimates of the mean densities of Antarctic krill (Euphausia ... development. That plan will identify key research questions that aid in assessing the MPA’s efficacy in ... species which were identified in the draft Research and Monitoring Plan presented to the Scientific ...
Meeting Document : WS-SM-18/02 : Auteur(s): A. Dahood and G.M. Watters
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Fishing with pots in the Antarctic region (CCAMLR Statistical Subareas 48.1, 48.2 and 88.3)
, with the purpose of determining the presence of Dissostichus spp. in Subareas 48.1, 48.2 and 88.3. In ... Abstract: Results of the February-March 1998 exploratory and experimental fishing operations ... the fishing gear, with a distance of approximately 90 m between them. The pots were lowered at a depth ... microps) (11%). Regarding the number of individuals caught, most were amphipods (55%), Antarctic crab (P ...
Meeting Document : WG-FSA-98/20
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A false positive in the CCAMLR tag overlap statistic arising from low catch volume and consequent limited sample size
minimum of 60% as specified in CM 41-01. A review of the data indicates that the number of fish tagged was ... of fish tagged did not match closely with that of the catch resulting in a the overlap statistic, as ... where the noise associated with such low numbers of fish triggers false positives in the tag statistic ... Abstract: The draft CCAMLR compliance report has recorded that when fishing in Subarea 88.2 in ...
Meeting Document : WG-FSA-14/31 : Auteur(s): C. Darby (United Kingdom)
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Foraging patterns in the Antarctic shag (Phalacrocorax bransfieldensis) at Harmony Point, Antarctica
reduce the extension of the foraging trips which in years of scarce food availability may no result in ... reducing the daily total time spent foraging due to the marked increment in the number of trips required to ... . The possibility of using the foraging parameters considered in this study in monitoring programmes is ... Abstract: During the 1995/96 and 1996/97 summer seasons the foraging pattern of the Antarctic ...
Meeting Document : WG-EMM-04/22 : Auteur(s): R. Casaux and A. Baroni (Argentina)
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Fish by-catch in the krill fishery: 2017 update
evidence of an increase in the data quality from the observer scheme, as well as an increase in the ... reporting of fish by-catch in the commercial krill fishery catch data. There was a high degree of overlap in ... frequently reported in both datasets. The length-frequency distribution of all taxa for which >200 fish ... taken as bycatch in the krill fishery are consistent with those reported in the diet of ‘krill ...
Meeting Document : WG-FSA-17/04 : Auteur(s): CCAMLR Secretariat
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) program: developing ICED and CCAMLR joint activities
projections of change in Area 48- Developing projections of the future state of Southern Ocean ecosystems ... Abstract: The Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme ... Ocean ecosystems. This will be achieved through the analysis and integration of available data together ... valuable information for ecosystem-based management in the region. Following discussions between ICED and ...
Meeting Document : WG-EMM-17/36 : Auteur(s): E. Murphy on behalf of ICED SSC
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Mitigation trials and recommendations to reduce seabird mortality in the pelagic icefish (Champsocephalus gunnari) fishery (Subarea 48.3)
idea of binding the net with sisal string on shooting, in order to prevent it opening until it had sunk ... discontinued. In addition other ideas were considered and reviewed. These included reducing the size of the ... mitigation methods in an attempt to reduce seabird mortality caused by entanglement with the net and to ... beneath the sea surface, and thereby reduce the chance of seabirds becoming entangled, while attempting to ...
Meeting Document : WG-FSA-05/59 : Auteur(s): J.O. Roe (United Kingdom)