Search results
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A proposal for Krill Fishery Observer Workshop
Abstract: The WG-EMM noted that it’s urgent to develop the sampling protocol which can be used by ... the observer consistently. The WG-EMM 2019 stressed the priorities for data collection, information ... sharing and overall tasking for observers in the krill fishery and recommended the timeliness of holding a ... focused workshop. The delegation of China seek Scientific Committee’s endorsement of the draft terms of ...
Meeting Document : SC-CAMLR-38/22 : Author(s): Delegation of the People’s Republic of China
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PR2 Questionnaire introduction
cooperating with CCAMLR through the Catch Documentation Scheme for Dissostichus spp. (CDS) are invited to ... complete the PR2 Questionnaire and submit their responses to the CCAMLR Secretariat. Responses by Friday 9 ... June 2017 (AEST) would be appreciated. The Panel encourages the wide distribution of the Questionnaire ... . If you are attaching files, please confirm the question that is being responded to and replicate the ...
Page : Site Section: The Organisation
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Target strengths of krill at 136 and 20 kHz
lengths in the range (45,50) mm the mean single-krill target strengths are in the range (-68,-69) dB at ... 136 kHz. For aggregations with mean lengths in the range (43,47)mm the mean single-krill target ... strengths are in the range (-71,-77) dB at 20 kHz. Trawling-acoustic method. For aggregations with mean ... lengths in the range (47,50) mm the mean target strengths in the range (-71,-75) dB at 20 kHz were ...
Meeting Document : WG-KRILL-91/29 : Author(s): S.M. Kasatkina (USSR)
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Developing layers for a Risk Assessment for Subarea 48.1 using data from at-sea sightings
Abstract: CCAMLR has endorsed the use of the Risk Assessment framework to apportion the krill ... catch limits in order to minimise the risk of the fishery to krill dependent predators. We plan to apply ... the risk assessment framework across Subarea 48.1 at various spatial and temporal scales, in order to ... identify the most appropriate way to spread catch limits for the krill fishery. The risk assessment ...
Meeting Document : WG-EMM-2019/23 : Author(s): V. Warwick-Evans, L. Dalla Rosa, E. Secchi, E. Seyboth, N. Kelly and P.N. Trathan
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ASPECTS OF POPULATION STRUCTURE, DYNAMICS, AND DEMOGRAPHY OF RELEVANCE TO ABUNDANCE ESTIMATION: ADÉLIE PENGUINS
breeding sites during the breeding season. The objective of this paper is to identify and describe the ... aspects of Adélie penguin population structure, dynamics and demography that are relevant to the ... interpretation of counts made at breeding sites and the estimation of overall population abundance derived from ... , it is important to understand the population dynamics of the different components of the population ...
Meeting Document : WG-EMM-PSW-08/09 : Author(s): L. Emmerson and C. Southwell (Australia)
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Review of some assumptions for modelling Patagonian toothfish dynamics at CCAMLR Subarea 48.3
Abstract: During the year 2005 meeting of the WG-FSA two different methods for assessing ... Patagonian toothfish stock in CCAMLR Subarea 48.3 were available to the Working Group: CASAL and ASPM (WG-FSA ... -05/16; WG-FSA-05/73). Although the underlying basic age-structure population dynamics models in both ... cases were similar, there were considerable differences in assumptions and implementations of the two ...
Meeting Document : WG-FSA-SAM-06/13 : Author(s): A. Aubone, P.A. Martínez and O.C. Wöhler (Argentina)
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Antarctic sea ice losses drive gains in benthic carbon drawdown
Abstract: Loss of sea-ice, ice shelves and retreat of coastal glaciers around the Antarctic ... Peninsula in the last few years has exposed new open water, allowing large blooms of phytoplankton to ... flourish in the newly exposed coastal areas. This new productivity has important consequences as the ... phytoplankton die and sink to the sea-bed where the carbon is sequestered for thousands of years. This carbon ...
Meeting Document : SC-CAMLR-XXXIV/BG/34 : Author(s): Delegation of the United Kingdom
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CCAMLR e-CDS User Manual
CCAMLR’s Catch Documentation Scheme (CDS) seeks to: identify the origins of Dissostichus spp ... . entering the markets of Contracting Parties and cooperating non-Contracting Parties (NCPs) track the ... Dissostichus spp. harvested in the Convention Area was caught in a manner consistent with CCAMLR conservation ... measures address concerns of IUU fishing relating to the threat of serious depletion of Dissostichus spp ...
Page : Site Section: Compliance
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Ross Sea fishery research and data collection plan
Abstract: A review of the use and effectiveness of research lines as a data collection and effort ... spreading tool within the Ross Sea exploratory toothfish fishery (CCAMLR statistical Subareas 88.1 and 88.2 ... ) is presented. The increase in the number of vessels in the exploratory fishery in Subareas 88.1 and ... 88.2, combined with the greater number of Small Scale Research Units (SSRUs) and the amount of data ...
Meeting Document : WG-FSA-05/49 : Author(s): J. Fenaughty (New Zealand)
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Acoustic assessment of potential bias in abundance estimates of mackerel icefish from trawl surveys
Abstract: In 2000, CCAMLR asked the Working Group on Fish Stock Assessment (WG-FSA), whether ... trawl surveys are the most reliable and appropriate method to survey stocks of mackerel icefish ... (Champsocephalus gunnari). Recent acoustic data from the South Atlantic suggested that mackerel icefish may not ... always be distributed closely on the sea floor during the day as conventional wisdom would have it, but ...
Meeting Document : WAMI-01/05 : Author(s): E. van Wijk, T. Pauly, A. Constable and R. Williams (Australia)