Résultats de la recherche
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Haul data analysis from the Polish krill fishery in 1997–1999
concentrations occurred deeper, at depths of 10-140 m, while at night the concentrations were closer to the ... surface, at depths of 10-100 m. The day catch rates were several times higher than at night (4.35-9.33 ... Abstract: The analysis of fishing data obtained from the ship’s log of the Polish commercial ... vessel M/T Pollux facilitated the characterization of catches and concentrations of krill between ...
Meeting Document : WG-EMM-00/17 : Auteur(s): E. Jackowksi (Poland)
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Biological and fishery information for skates in Division 58.5.2
estimated for B. irrasa at 865 mm and the length at first spawning (Lm50) at 1210 mm. Estimates of abundance ... Division 58.5.2. Estimates of growth calculated from trawl-tagged, recaptured B. eatonii were 15 mm per ... slow growing. Composition of the skate bycatch by fishery and depth zone is described. Length-weight ... equations are provided relating total length and weight by species. The length at first maturity (L50) was ...
Meeting Document : WG-FSA-05/70 : Auteur(s): E.M. van Wijk and R. Williams (Australia)
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Physical forcing in the southwest Atlantic: ecosystem control
temperature at South Georgia shows the presence of high levels of autocorrelation, with periodicity evident in ... temperature anomalies at lag periods of approximately 3 to 4 years. Crosscorrelation analyses with temperature ... . Biological variability is also apparent at South Georgia, being evident in data from a suite of top predators ... Abstract: In the southwest Atlantic sector of the Southern Ocean, temporal variability in the ...
Meeting Document : WG-EMM-04/34 : Auteur(s): P.N. Trathan, E.J. Murphy, J. Forcada, J.P. Croxall, K. Reid and S.E. Thorpe (United Kingdom)
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Beach litter survey Signy Island, South Orkney Islands, 1993/94
clues regarding their origin noted. At Foca Cove, a total of 118 items were recovered with a combined ... weight of 18.35 kg. At Cummings Cove, a total of 170 items were recovered (6.21 kg) and at Starfish Cove ... trend has been reversed. For example, at Foca Cove, the total weight of debris recovered rose to 18.35 ... debris at Signy Island are unknown. There has been no increase in the number of research or tourist ...
Meeting Document : CCAMLR-XIII/BG/11 : Auteur(s): Delegation of United Kingdom
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Sea surface temerature anomalies near South Georgia: relationships with the South Atlantic and the Pacific El Niño regions
anomalies, with periodicity evident at a lag period of 4 years. To the north of the island significant ... autocorrelation was also evident at a lag period of 1 year; though this was restricted to an area that ... areas of the Pacific indicated that temperature fluctuations at South Georgia reflected temperature ... also reflected the variability in the Georgia Basin. The high levels of intra annual variability at ...
Meeting Document : WS-AREA 48-98/10 : Auteur(s): P. Trathan and E.J. Murphy (UK)
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Revised biological parameters for the Antarctic skates Amblyraja georgiana and Bathyraja cf. eatonii from theRoss Sea
different estimates of median length at maturity. The lab estimates were based on small datasets that did ... value of 66 cm PL. There are still insufficient reliable data to estimate the median length at maturity ... unreliable, as indicated by comparison with lab staging, and the presence of very large skates scored as ... not cover the maturation range adequately, so using them instead of the observer estimates is not ...
Meeting Document : WG-FSA-10/27 : Auteur(s): M.P. Francis (New Zealand)
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Toothfish, skate and longline by-catch survey in Subarea 48.3
ecology of Patagonian toothfish (Dissostichus eleginoides) at South Georgia as well as providing ... information on the distribution and behavior of toothfish and other species found over the shelf edge at South ... fishery ie macrourids; and • Deploy AUDOS to investigate the distribution of toothfish at depths beyond ... Abstract: This was the first deep-water trawl survey of the South Georgia Maritime Zone funded by ...
Meeting Document : WG-FSA-03/15 : Auteur(s): M. Belchier, M. Collins, M. Endicott, I. Everson, S. Hawkins, T. Marlow, T. Mulvey and R. Paterson (United Kingdom)
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Seabird mortality from longline fisheries: evidence from Marion and Gough Islands
have been found dead ashore on either island as a result of fishing gear. Recoveries of banded birds at ... Diomedea exulans nests at Marion Island in the 1990s. No hooks have been found at Gough Island and no birds ... sea suggest Wandering Albatrosses are more at risk to being hooked than are giant petrels Macronectes ...
Meeting Document : WG-IMALF-94/18 : Auteur(s): J. Cooper (South Africa)
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Research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.1 in 2014/15
the latest CCAMLR C2 and observer data toward the development of research plan for the 2014/15 ... exploratory fishery of Dissostichus mawsoni in Subarea 58.4.1. The stock sizes for five research blocks ... the CPUE method recommended at the last WG-FSA meeting. The stock size using the Petersen estimator ... was generally different from that using the CPUE method in each block. As we proposed at the WG-FSA ...
Meeting Document : WG-SAM-14/02 : Auteur(s): Delegation of Japan
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Preliminary proposal for designation an Antarctic Specially Protected Area in the Argentine Islands Archipelago and nearby Graham Coast Antarctic Peninsula region
provided research and monitoring at the Argentine Islands Archipelago, including terrestrial survey of ... almost all islands, and ice-free areas at Mainland. The distribution of different vegetation: moss ... Abstract: Ukraine is planned to establish the Antarctic Specially Protected Area (ASPA) at the ... region of Argentine Islands Archipelago, adjacent islands of the Wilhelm Archipelago and costal oases of ...
Meeting Document : SC-CAMLR-38/BG/21 Rev. 1 : Auteur(s): Delegation of Ukraine