Search results
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Empirically-driven feedback management incorporating multi-scale risk assessment and an experimental framework to facilitate adaptive improvement
al. 2016), and recently a more empirical approach using a combination of fishing fleet-collected ... merit in terms of the utility of available data. However, none currently offers a holistic solution in ... aspects of each currently tabled approaches from RA, EF, DR and EMP into potentially one that can be ... developed to become relatively easy and quick to operationalize. Finally, we propose a package of work that ...
Meeting Document : WG-EMM-2019/18 : Author(s): A.D. Lowther, B. Krafft, O.R. Godø, C. Cardenas, X. Zhao and O.A. Bergstad
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CEMP cameras data validation experiment at the Galindez Island gentoo penguin (Pygoscelis papua) colonies
Abstract: The two seasons of the data validation experiment provided for pictures from time-lapse ... cameras of the CEMP camera monitoring project of CCAMLR at Galindez Island gentoo (Pygoscelis Papua ... station (Galindez Island), GAI CEMP site, provided daily observations of 15 gentoo nests chosen in the ... . The results of visual observations have been compared with data from camera pictures, which registered ...
Meeting Document : WG-EMM-2019/59 : Author(s): P. Khoetsky, A. Dzhulai, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyi, I. Parnikoza and L.Pshenichnov
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Brief report on scientific observation on the fishery vessel Mellas (FAO Statistical Area 41, January to July 2006)
Abstract: Materials on results of scientific observation in fishery cruise on the longliner ... exclusive (sea) economic zones of the foreign states at Patagonian toothfish (Dissostichus eleginoides ... ) fisheries are submitted. The data on volume of the biological material collected in the cruise, the data on ... size-mass, sexual structure, parasitology of Patagonian toothfish, taxonomic structure of catches are ...
Meeting Document : WG-FSA-06/13 : Author(s): S. Usachev (Ukraine)
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CCAMLR-IWC Export Group Report: Primary Productivity and Phytopalnkton
SeaWiFS and MODIS sensors that have been providing data for the last ten years. The characteristics of ... their use in the Southern Ocean. A brief history of algorithms linking ocean color to primary ... regional, carbon-based approaches. Using monthly climatologies of SeaWiFS chlorophyll, a phenology of ... phytoplankton blooms is presented for the major provinces surrounding Antarctica. Some of the published ...
Meeting Document : CCAMLR-IWC-WS-08/13 : Author(s): Matear, R., Mongin, M., Lovenduski, N., Strutton, P.
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Change-in-ratio and index-removal methods for population assessment and their application to snow crab (Chionoecetes opilio)
composition, in order to use these methods. We use the methods to estimate the population of legal-size snow ... of pre-recruits but this requires the assumption of equal catch ability of all animals, a condition ... seem to be ideally suited for studies of many populations of large crustaceans. Author(s): X. Xu, E.G ...
Meeting Document : WS-CRAB-93/10 : Author(s): X. Xu, E.G. Dawe and J.M. Hoenig (USA)
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Expanding Antarctic seabird monitoring in east Antarctica using a remote camera network: potential use for monitoring for feedback management
Abstract: Antarctic seabirds are important indicators of impacts and change in Southern Ocean ... over long periods in the harsh Antarctic environment, (2) identify the timing of important breeding ... events (phenology), (3) provide accurate estimates of breeding success, (4) standardize population counts ... made at sub-optimal times, and (5) through a network of cameras, quantify spatio-temporal variation in ...
Meeting Document : WG-EMM-14/27 : Author(s): C. Southwell and L. Emmerson (Australia)
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The krill distribution in waters around the South Shetland Islands: Preliminary results from an acoustic survey conducted by a Chinese krill fishing vessel in December 2013
data for the estimation of krill stock and its management. In December 2013, a trial acoustic survey ... Islands. Krill was found in most part of the survey area. The mean Sv of krill swarm tend to be higher in ... inshore waters in the north of the islands; however, no such tendency was observed in the Bransfield ... strait. The majority of the krill swarms were found in the upper 100 m with a thickness less than 30 m ...
Meeting Document : WG-EMM-14/47 : Author(s): X. Wang, X. Zhao, G. Qi, T. Zuo, J. Zhu, J. Zhang and X. Li (People’s Republic of China)
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Fishery selection for Patagonian toothfish in CCAMLR Subarea 48.3, asymptotic or dome shaped?
Abstract: Characterisation of fishery selection is key to reducing uncertainty in the ... with age and size to arise. However this type of selection pattern is associated with the estimation of ... highly uncertain quantities of cryptic biomass. A review of the fishery and tagging data from the ... information to determine the most likely fishery selection profile. A simple metric, the distribution of tag ...
Meeting Document : WG-SAM-15/29 : Author(s): C. Darby, V. Laptikhovsky and M. Soeffker (United Kingdom)
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Competition-induced starvation drives large-scale population cycles in Antarctic krill
Abstract: Antarctic krill (Euphausia superba)—one of the most abundant animal species on Earth ... —exhibits a five to six year population cycle, with oscillations in biomass exceeding one order of magnitude ... models. Here, using data analysis complemented with modelling of krill ontogeny and population dynamics ... , we identify intraspecific competition for food as the main driver of the krill cycle, while external ...
Meeting Document : WG-EMM-18/P05 : Author(s): A.B. Ryabov, A.M. de Roos, B. Meyer, S. Kawaguchi and B. Blasius
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CCAMLR’s Vulnerable Marine Ecosystems bioindicator taxa: a relevant tool for benthic ecoregionalisation
conservation issues in the French Exclusive Economic Zone of Kerguelen” submitted the 16/05/2018 to the journal ... CCAMLR Science for the proceedings of The Second Symposium on Kerguelen Plateau Marine Ecosystems and ... modelling results and an assessment of the new marine reserve of the Kerguelen EEZ regarding to the benthic ... conservation issues. In this document, a methodological focus is made to highlight the relevance of using the ...
Meeting Document : WG-EMM-18/19 : Author(s): A. Martin, E. Trouslard, M. Hautecoeur, J. Blettery, C. Moreau, T. Saucède, N. Améziane, G. Duhamel and M. Eléaume