Resultados de la búsqueda
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): P.N. Trathan, E.J. Murphy, J. Forcada, J.P. Croxall, K. Reid and S.E. Thorpe (United Kingdom)
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WG-EMM-10
meshes of commercial trawls: approaches to estimating gross removal at krill fishery S.M. Kasatkina ... Demonstrating proof of concept of the application of systematic conservation planning at the circumpolar scale D ... trends in numbers of four species of penguins at the Prince Edward Islands R.J.M. Crawford, P.A ... numbers of Crozet shags breeding at the Prince Edward Islands R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L ...
Meeting
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Champsocephalus gunnari stock status in the South Georgia area
predicted period fishing intensity was at the level of that in 1987/88; (c) For the predicted period fishing ... shows that at the currently used value of stock size and even at the lowest possible recruitment levels ... / Description: ata of age composition and fishing effort for 1976/77-1987/88 were used to analyse stock status ... , Gamma methods, Pope and Shepherd method, using F regression on fishing effort and method of average ... fishing intensity was at the level of that in 1987/88; ( c ) For the predicted period fishing intensity ... that at the currently used value of stock size and even at the lowest possible recruitment levels and ... THE SOUTH GEORGIA AREA R. Borodin, P. Kochkin Abstract Data of age composition and fishing ... , using F regression on fishing effort and method of average weighted F. For 1986/87 the values ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Autor(es): Borodin, R. and P. Kochkin
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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 : Autor(es): Delegation of United Kingdom
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e-sc-iv-a4.pdf
... GROUP ON FISH STOCK ASSESSMENT INTRODUCTION The meeting of the Working Group was held at the ... noted that, failing complete reports, ‘it was essential to have at least some years of fine detail CPUE ... the catch data for the 1983/84 season had not been received by the Commission at the time of the ... catches of N. rossii at South Georgia, due to the change in reporting from calendar year to split
application/pdf attached to:WG-FSA-85Meeting Report : WG-FSA-85
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): M. Belchier, M. Collins, M. Endicott, I. Everson, S. Hawkins, T. Marlow, T. Mulvey and R. Paterson (United Kingdom)