Search results
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Apparent decrease of Weddell seal numbers in the western Ross Sea
Edisto-Moubray as well. The timing of decline, or perhaps spreading (low numbers of seals in more places ... . We analyzed both historic and satellite-derived ice data but found only an expansion of pack ice in ... the larger region and a thinning of fast ice along Victoria Land (conceivably beneficial to seals ... ). Timing of freeze and breakup of the fast ice remains the same. The only other major change to the Ross ...
Meeting Document : WG-EMM-14/44 : Author(s): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)
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Descriptive analysis of haul data from FV Atlantic Navigator in Elephant Islands (48.1), South Georgia Islands (48.3) and South Orkney Islands (48.3) krill fishery (summer 2004 to early winter 2005)
(early winter 2005) with a total of 251 days of effective fishing. Descriptive study of the fishery ... continuous fishing system with air-bubbling suspension and suction of capture (CFS). Individual haul data ... were analyzed to describe differentialy catch rates (catch per day and catch per minute) of the three ... different fishing zones studied. The total catch registered was 41837 tonnes: 50% of this capture was ...
Meeting Document : WG-EMM-05/12 : Author(s): O. Pin, H. Nión, E. Delfino and P. Meneses (Uruguay)
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SPATIAL DISTRIBUTION AND AGE STRUCTURE OF THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA
the availability of habitat is critical to the long-term viability of the population. Antarctic ... assess the availability of habitat for Antarctic toothfish a benthic habitat map of the Ross Sea was ... were consistent with an ontogenetic movement of fish from shallow continental shelf habitats to deep ... individuals were found on ridges in the northern Ross Sea, consistent with the hypothesis of an austral summer ...
Meeting Document : WG-FSA-08/18 : Author(s): C.M. Brooks and J.R. Ashford (USA)
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Summary of VME notifications made under Conservation Measures 22-06 and 22-07
the Secretariat of encounters, and potential encounters with vulnerable marine ecosystems (VMEs ... ). Notifications are made either under CM 22-07 in the case of encounters with potential VMEs during the course of ... received a total of 30 notifications of encounters with VMEs in 2008/09 arising from research surveys (CM ... ) and 88.2 (19 notifications). A total of 53 notifications have been received, of which 29 were made in ...
Meeting Document : WG-EMM-10/07 : Author(s): Secretariat
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Temperature-dependent growth of Thysanoessa macrura: inter-annual and spatial variability
Abstract: Somatic growth of pelagic invertebrates is controlled by temperature and food, both of ... variability in growth rates of highly abundant zooplankton is critical to predict the impact of climate change ... apart to estimate growth rates of one the most euphausiids in the Southern Ocean, Thysanoessa macrura ... growth. Growth rates of T. macrura varied between years and water masses, ranging from-0.037 mm day-1 in ...
Meeting Document : WG-EMM-13/39 : Author(s): R.M. Driscoll, C.S. Reiss and B.T. Hentschel (USA)
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A proposal to progress implementation of the CCAMLR SISO Review Panel recommendations
Abstract: The United States proposes to revise the text of the CCAMLR System of International ... Scientific Observation (SISO) to implement certain recommendations of the SISO Review Panel and establish ... Parties to apply the data collection and observer safety provisions of SISO, mutatis mutandis, to their ... national observers deployed in CCAMLR fisheries. Author(s): Delegation of the USA Title: A proposal to ...
Meeting Document : CCAMLR-XXXVI/25 : Author(s): Delegation of the USA
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CEMP Fund cameras and satellite transmitter projects in areas of Ukraine responsibility: state and preliminary results
activity in the Ukrainian Vernadsky Antarctic Station area on service of CEMP cameras and installation ... ARGOS satellite tags in penguin colonies as part of the CEMP projects run by USA, Argentina, Poland and ... Ukraine is reported. The pictures of gentoo colonies at the Galindez and Petermann Islands, and Adelie ... methods. Information on copulation, egg lay, maximum number of eggs, hatch, maximum number of chicks, date ...
Meeting Document : SC-CAMLR-XXXVI/BG/34 : Author(s): D. Lutsenko, G. Milinevsky, O. Savitsky, A. Simon, I. Dykyy, M. Telipska, V. Lytvynov and L. Pshenichnov
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UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS (DIVISION 58.5.2)
Abstract: The integrated assessment of Patagonian toothfish, Dissostichus eleginoides, for the ... ) analysis of the age-length frequency data suggested that ALKs could be pooled across sub-fisheries without ... significant loss of information. Pooling the ALKs in this way meant that all commercial catch data could be ... coefficient of variation (CV) for the abundance-at-age, assuming a lognormal distribution, each took into ...
Meeting Document : WG-FSA-09/20 : Author(s): S.G. Candy and D.C. Welsford (Australia)
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IN SITU MEASUREMENTS OF TILT ANGLE DISTRIBUTION AND TARGET STRENGTH IN ANTARCTIC KRILL (EUPHAUSIA SUPERBA)
Abstract: Knowledge of the scattering properties of Antarctic krill (Euphausia superba) is ... crucial for biomass estimates of the species, but in situ investigations regarding this are still very ... scarce. We conducted a field study in the Southern Ocean where one of the objectives was to acquire data ... on orientation angles and target strength of Antarctic krill. The main investigations were done off ...
Meeting Document : WG-EMM-08/29 : Author(s): G. Skaret, S.A. Iversen, T. Knutsen, R.J. Korneliussen, E. Ona, R. Pedersen, A. Totland, T. Torkelsen (Norway) and X. Zhao (China)
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Fishing patterns of Japanese krill trawlers
‘operation units’ which consists from a group of repeated operations within certain searching ranges (10nm ... , 30nm, and 60nm). Distribution of the operation units showed considerable variation in space and time ... with the plots of aggregated catch, suggesting these two kinds of CPUEs may not be good indices for ... expressing the status of krill in the fishing ground. Catch per fishing days maybe the reasonable index for ...
Meeting Document : WG-EMM-02/28 Rev. 1 : Author(s): S. Kawaguchi, T. Kameda and Y. Takeuchi (Japan)