Resultados de la búsqueda
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On reproduction of Electrona carlsbergi (Tåning)
Paper Title: On reproduction of Electrona carlsbergi (Tåning) Abstract / Description: This paper ... WG-FSA-90/20 ON REPRODUCTION OF ELECTRONA CARLSBERGI ... consists of two layers: an internal one - a membrane in itself - and an external one, formed by follicular ... in experimental conditions to count for E. carlsbergi the number of eggs in one batch. An attempt ... . NAFPAKTITIS. 1967. A study of the effects of expatriation on the gonads of two myctophid fishes in the North ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 397–409 : Autor(es): Mazhirina, G.P.
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Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)
tonnes per fishing hour) is, however, lower than those observed for the two preceding cohorts (1979 and ... Paper Title: Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen) Abstract ... Island) have made possible a review of the status of the various harvested fish stocks. Since 1984, an ... increase has been recorded recently, accompanied by an increase in the abundance index, following a ... observed for the two preceding cohorts (1979 and 1982) in a comparable period. The stock of Notothenia ... reconstitution of the stock (Hennemuth et aI., 1988) allowed for a forecast on the future of the stock following ... impact will be observed on the adult stock with a delay of about four years corresponding to the arrival ... (at the age of 5 to 6 years) of these juveniles on the shelf. A catch limited to by-catches has ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Autor(es): Duhamel, G.
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Further progress on modelling the krill–predator dynamics of the Antarctic ecosystem
to act as a surrogate for these in addition to the seals themselves. This results in an improved fit ... further work on the model is presented. The development of an improved set of abundance and trend ... Abstract: This paper addresses work conducted on the Mori-Butterworth multi-species model of the ... Antarctic ecosystem subsequent to the Ulsan meeting of the IWC Scientific Committee. Points raised about the ...
Meeting Document : WG-EMM-06/19 : Autor(es): M. Mori (Japan) and D.S. Butterworth (South Africa)
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Potential climate change effects on the habitat of Antarctic krill
Abstract: Antarctic krill is an obligate cold water species, an increasingly important fishery ... resource and a major prey item for many fish, birds and mammals in the Southern Ocean. The fishery and the ... assess the influence of projected warming on Antarctic krill habitat quality. The results divide the ... sector into two zones: A band around the Antarctic Circumpolar Current in which habitat quality is ...
Meeting Document : WG-EMM-13/20 : Autor(es): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)
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On necessity of longline fishery and research of Antarctic toothfish in all SSRUs of Subareas and Divisions 88.1, 88.2, 58.4.1, 58.4.2
Abstract: The analysis of catch size composition, statistical data on catches and distribution of ... SSRUs, open and closed for fishery, resulted in a lack of overall picture of population structure state ... , quantitative toothfish distribution over the whole aquatory in Divisions 88.1 and 58.4 and did not give an idea ... of toothfish migrations by tagging results. The mentioned system shortcomings require its revision ...
Meeting Document : WG-FSA-10/36 : Autor(es): K.V. Shust, A.F. Petrov, V.A. Tatarnikov and I.G. Istomin (Russia)
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2013 Report on bottom fisheries and vulnerable marine ecosystems
Description / Abstract: 2013 Report on bottom fisheries and vulnerable marine ecosystems ... Area, including two annexes CM 22-07 (2013) – Interim measure for bottom fishing activities subject ... (2009) – Prohibition on fishing for Dissostichus spp. in depths shallower than 550 m in exploratory ... Subarea 88.1 and two VME fine-scale rectangles were identified in Subarea 88.2. Process for reviewing ... . Establishing the link between catch rates and organism density on the seafloor for each vulnerable taxon will ...
Document : Site Section: Publications
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Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)
calculations. Assessments of krill consumption are based on calculations made for individual fish species ... calculated for a depth range of 100 to 500 metres in waters between 30 and 80°E. Krill consumption was ... Paper Title: Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division ... krill consumption (Euphausia superba) are based on data obtained from the Atlantic sector which have ... this amount fish consumed 30 to 32 million tonnes. For the most part these figures are based on data ... . Assessments of krill consumption are based on calculations made for individual fish species taking into ... for a depth range of 100 to 500 metres in waters between 30 and 80°B. Krill consumption was estimated ... Kosmonavtov Sea (area 8 x 104 km2) was determined by averaging trawl-acoustic data for the three years from ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Autor(es): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk
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Progress report of Chilean research on albatross ecology and conservation
two different management regimes. This fact and the article XI of the CCAMLR Convention, suggests the ... Abstract: Two species of albatross breed in Chile, namely Thalassarche melanophrys and T ... outcome of two research programs that are currently underway, which aim to establish if the effect of the ... research on albatross ecology and conservation Approval: Approved ...
Meeting Document : WG-FSA-02/18 : Autor(es): J. Arata and C.A. Moreno (Chile)
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Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season
tended to overestimate for < 30 years, but underestimate for > 30 years, as compared to AAD readers ... thought to begin to mature, corresponded to 10.6 year for females and 11.4 year for males. On the other ... comments. The estimated ages ranged from 5 to 48 years for males and from 4 to 48 years for females. Ten to ... fifteen years gave large contribution to the total age groups for both sexes. Females grew at a faster ...
Meeting Document : WG-FSA-11/16 : Autor(es): K. Taki, T. Iwami and M. Kiyota (Japan)
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Observations on haul-out patterns and trends in the breeding populations of southern elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo - King George I.)
Paper Title: Observations on haul-out patterns and trends in the breeding populations of southern ... de Mayo-King George I. were studied during the breeding season from 1979 to 1987. Two main objectives ... (van Aarde, 1980). In this paper we present information on the last seven years in two breeding ... of r between these two years is 0.05, similar to the one estimated for this population by McCann ... Convergence. Most of the breeding places are located on islands, except for the herd found on the coast of ... two different places. One of them was located at 25 de Mayo I. (King George) (1980-1986 except for ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Autor(es): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli