Resultados de la búsqueda
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Skate tagging in the Heard Island and McDonald Island (Division 58.5.2) toothfish fishery up to 2013
biology of these species. In the 13 years, over 12,000 skates have been tagged, with 112 recaptures, a ... in all directions. Most recaptures occurred within the first three years, with the maximum time at ... liberty of nearly eight years for one B. irrasa. Range of movement in depth was between-266 m and 280 m ... . Growth increments for tagged and recaptured B. eatonii indicated growth of ~20mm/year for both sexes ...
Meeting Document : WG-FSA-13/22 : Autor(es): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
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Variability of krill fishery operations in Subarea 48.2 in relation to fishing methods: spatial–temporal distribution of CPUE and of fishing efforts
values of standardized CPUE indices in the Subarea 48.2 for the last 25 years. The paper provides the ... fishing methods. It was shown how fishery operated by years and month in each SSMUs with special attention ... locations was consistent between years and fishing methods. All national fleets preferred SSMU SOW. However ...
Meeting Document : WG-EMM-14/22 : Autor(es): S. Kasatkina (Russia)
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A BALANCED MODEL OF THE FOOD WEB OF THE ROSS SEA, ANTARCTICA
efficiency) and all groups together was 1.7%, and for diet fractions was 0.6%. Large but not implausible ... average, recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food ...
Meeting Document : WG-EMM-09/42 : Autor(es): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)
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Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000
59°S 60°S 61°S 200 g m-2 20 g m-2 2 g m-2 0.2 g m-2 31°W 30°W 29°W ... 20.00 30.00 40.00 50.00 3 9 15 21 27 fre qu en cy ,% Fr eq ue nc y (% ) 50 40 30 20 10 ... 15 20 25 30 0 0.75 1.75 2.75 3.75 4.75 5.75 Fr eq ue nc y, % Ln, 30 25 20 15 10 5 0 ... were dominant in the zones of high density (over 20 g m-2) observed there. Vertical Distribution of ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Autor(es): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
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WG-CSD-88
, Australia Date(s): Thursday, 20 October 1988 to Friday, 21 October 1988 Submissions Due: Thursday, 6 ... , Australia, 20–22 October, 1988) ...
Meeting
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Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates
years 2000–01 to 2010–11. Document WG-FSA-11/46. CCAMLR, Hobart, Australia: 32 pp. Year of release ... calculation by using CCAMLR Science, Vol. 20 (2013): 73–80 73 QuantIfyIng vessel performance In the ccamlr ... , and ends when the quota has been fully caught which, in recent years, has been between 15 January ... window used was a circle with a radius of 20 km, centred on the location of the case fishing event ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Autor(es): Mormede, S. and A. Dunn
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Age and growth of Scotia Sea icefish Chaenocephalus aceratus (Lönnberg, 1906), from the South Shetland Islands
from different institutions. The age range was 1-17 years for females and 1- 15 years for males. Von ... . Sexual maturity was attained by females and males at about 10 and 9 years old respectively, at about 60 ... asymptotic length L??(cm) and K (year-1) were respectively 79.8 and 0.07 for females and 60.0 and 0.09 for ...
Meeting Document : WG-FSA-02/77 : Autor(es): M. La Mesa, J. Ashford, E. Larson and M. Vacchi
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AGE AND GROWTH OF SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC PENINSULA)
. Age at sexual maturity was estimated to be about 2 years for females and 2.5 years for males. Compared ... consisted mainly of adult specimens between 1 and 3 years of age, with very few older fish. Author(s): M ...
Meeting Document : WG-FSA-08/33 : Autor(es): M. La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany)
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Temperature-dependent growth of Thysanoessa macrura: inter-annual and spatial variability
. We analyzed data from four separate years (1995, 1998, 2001, 2004) that varied widely in temperature ... growth. Growth rates of T. macrura varied between years and water masses, ranging from-0.037 mm day-1 in ... than in Weddell Sea water during all years. Growth rates were strongly correlated with temperature but ...
Meeting Document : WG-EMM-13/39 : Autor(es): R.M. Driscoll, C.S. Reiss and B.T. Hentschel (USA)
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Long term variability in the diet and reproductive performance of penguins at Bird Island, South Georgia
Abstract: Inter-annual variability in diet during crèche (December to February) over 22 years ... present in 89 % of samples and were the main prey (> 50 % by mass) in 10 years of the study. Antarctic ... and were the main prey in 12 years, with Champsocephalus gunnari and Lepidonotothen larseni the most ...
Meeting Document : WG-EMM-17/P02 : Autor(es): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan