Resultados de la búsqueda
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Towards an ecosystem status assessment for South Georgia ‘Variability of Southern Ocean Ecosystems’ Project Team
Abstract: We present the beginnings of a compilation of a suite of physical and biological ... oceanographic data, and concomitant data on abundance and condition of some key zooplankton species and ... 1999. We plan to use these data, some of which arise from the British Antarctic Survey's Core ... Programme, to develop multivariate indices of "ecosystem status". We expect that such indices will ...
Meeting Document : WG-EMM-00/61
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Susceptibility to oxidative stress in different species of Antarctic birds: preliminary results
against toxicity of reactive oxygen species (ROS). These highly reactive molecules are normally produced ... during the 4-electrons reduction of molecular oxygen to water coupled with oxidative phosphorylation and ... during the activity of several enzymatic systems which produce ROS as intermediates. If the antioxidant ... capacity is exceeded (i.e. as a consequence of enhanced intracellular formation of ROS) a pathological ...
Meeting Document : WG-EMM-99/59 : Autor(es): S. Corsolini, F. Regoli, S. Olmastroni, M. Nigro and S. Focardi (Italy)
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Results of E.L. Holmberg 1995 fish survey in Subarea 48.3
Abstract: The survey comprised 48 bottom trawl hauls taken in subarea 48.3. About 80% of the ... hauls were intended as replicates of the position of hauls in the 1994 survey, allowing site by site ... comparison between both cruises. Of these, 20 hauls were located at less than 0.5 miles and 11 between 0.5 ... aggregation of stations in a nested ANOVA model. An increase over last year's values was observed in the ...
Meeting Document : WG-FSA-95/35 : Autor(es): Marschoff, E., Madirolas, A., Balestrini, C., Tossonotto, G., Gonzalez, B., Calcagno, J.
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Trophic relations of the cephalopod Martialia hyadesi (Teuthoidea: Ommastrephidae) at the Antarctic Polar Front, Scotia Sea
Abstract: Samples of the squid, Martialia hyadesi, were collected aboard two Japanese squid ... Sea in February 1989. The dissected stomachs of 61 specimens were classified according to fullness and ... proportion of the sample had been feeding cannibalistically. Total lengths of the fish prey were estimated ... from sagital otolith size using published relationships. All fish were relatively small; 7- 35% of ...
Meeting Document : SC-CAMLR-XI/BG/11 : Autor(es): Delegation of United Kingdom
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Preliminary study on the breedings of chinstrap and gentoo penguins at Barton Peninsula, King George Island
Abstract: A preliminary survey on 2 species of penguins, chinstrap and gentoo was made in the ... CCAMLR standard method. A total of 96 nests for chinstraps and 121 nests for gentoos were monitored to ... document breeding chronology and give a measure of breeding success. The nests to be monitored were ... change in the nest content were followed. Chicks were hatched out at 50% of the monitored nests on 18 ...
Meeting Document : WG-CEMP-93/23 : Autor(es): H.-C. Shin and S. Kim (Republic of Korea)
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Resolution of the Ukraine–Russian seminar ‘Climate, South Ocean Resources, CCAMLR and Antarctic krill’
organized with the assistance of the State Committee of Fisheries of Ukraine, Kyiv National Taras Shevchenko ... University and under support of the Antarctic Krill Conservation Project (PEW, ASOC). On the seminar the key ... Russian, Ukrainian and Canada experts, scientists, and officials were present, who engage in the issues of ... consumers. As a result of seminar work and in numerous discussions participants expressed a concern the ...
Meeting Document : CCAMLR-XXIX/BG/35 : Autor(es): Delegation of Ukraine
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A meta-analysis of by-catch in the Ross Sea toothfish fishery
Abstract: Following the recommendation of WG-FSA in 2014 the Secretariat has undertaken an ... analysis of by-catch in CCAMLR longline fisheries. The numerical target catch ratio (the number of target ... fish as a proportion of the total number of fish caught), using haul by haul data from the Ross Sea ... toothfish fishery from 2008–2014, was used as a single metric to examine the amount of by-catch reported by ...
Meeting Document : WG-SAM-15/23 : Autor(es): CCAMLR Secretariat
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Proposal to continue participation in the second year of the joint CCAMLR research survey to collect spatially stratified longline and bathymetric data in 88.2_A and 88.2_B in 2015/16
Abstract: Toothfish in SSRUs 882.A–B are currently managed as part of the Ross Sea region stock ... the management across all of the region. Recognising this requirement, the Scientific Committee ... endorsed two years of spatially stratified longline surveys in the northern region of SSRUs 88.2A–B (SC ... established to map and sample the fishable areas of SSRUs 88.2 A–B north of 66° S latitude. Following its ...
Meeting Document : WG-SAM-15/41 : Autor(es): Delegation of Norway
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Candidate baseline data for ecosystem indicators in the Ross Sea region. Part B: Discussion of the data
facilitate assessment of the degree to which the RSRMPA achieves its objectives. The Plan also identifies a ... set of indicators that, when observed or quantified, provide baseline data for key species and ... characterize the status of the marine ecosystem in the Ross Sea region. These baselines provide benchmarks from ... which to assess change and evaluate the performance of the MPA. Here, and in an accompanying working ...
Meeting Document : SC-CAMLR-XXXVII/BG/13 : Autor(es): Delegation of the USA
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Fatty acids composition of spiny icefish Chaenodraco wilsoni in the Bransfield Strait and its implication to local food availability
Abstract: Spiny icefish (Chaenodraco wilsoni) is an important species of crocodile icefish native ... to the high-Antarctic of the Southern Ocean, including the Bransfield Strait. The water mass in the ... , more saline waters of the Weddell Sea over the broad continental shelf near d′Urville and Joinville ... Islands. The local food availability of C. wilsoni may be influenced by those waters. The fatty acids can ...
Meeting Document : WG-FSA-18/76 : Autor(es): Q.Y. Yang, G.P. Zhu and K. Reid