Resultados de la búsqueda
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A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey
, abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... 2018/19 season respectively satisfied the CCAMLR decision rules. Given their apparent plasticity in ... Abstract: The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... growth model based on recent cohort progressions indicated an increase in size-at-age compared to the ...
Meeting Document : WG-FSA-17/22 : Autor(es): D. Maschette, P. Burch, P. Yates and D. Welsford
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Fishery Report: Exploratory fishery for Dissostichus spp. in Subarea 48.6
defined in CM 33-03. The fishing season was from 1 December 2009 to 30 November 2010. Environmental ... overall and had met its objectives to enhance data collection and improve tagging in order to develop ... this fishery and in recent years has been linked to an exemption for night setting in CM 24-02 and ... fishery. TOT 48.6 7 5.4 Mitigation measures 18. In 2008, the Commission agreed to the Year-of ...
Document : Site Section: Publications
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Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001
absolute index was RI1 = 131.4 * 1000 m-3, which is among the highest values for the past 20 years. The ... success of the 2000/01 year-class. The spatial extent of the station grid is discussed in the light of a ... Abstract: A net sampling survey was carried out for krill in an established standard station grid ... during the past years (between 198 and 230 krill 1000 m-3, i.e. between 40 and 46 m-2 or 11.3 g m-2). The ...
Meeting Document : WG-EMM-01/10 : Autor(es): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)
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Fishery Report: Exploratory fishery for Dissostichus spp. in Subarea 48.6
defined in CM 33-03. The fishing season was from 1 December 2010 to 30 November 2011. Environmental ... be made in the future (see SC-CAMLR-XXIX, Annex 8, paragraphs 6.14 to 6.21). 20. During WG-FSA-10 ... Mitigation measures 24. CM 25-02 applies to this fishery and in recent years has been linked to an ... Mitigation In accordance with CM 25-02, except paragraph 5 if requirements of CM 24-02 are met. Carry ...
Document : Site Section: Publications
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Predation release of Antarctic silverfish (Pleuragramma antarctica) in the Ross Sea
contributed to the increase in Adélie penguin numbers. This paper brings together information on the biomass ... adeliae) at breeding colonies in the southern Ross Sea more than doubled from about 235 000 to more than ... predation release hypothesis. In particular, the examination of 422 Antarctic toothfish stomachs showed that ... . These Antarctic toothfish were sampled over three years, between 2011/12 and 2013/14. The mass of ...
Meeting Document : WG-EMM-15/53 : Autor(es): M.H. Pinkerton, P. Lyver, D. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand).
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Aspects of the distribution and interannual variations in larval fish assemblages at South Georgia, Antarctica
past 30 years. Author(s): M.G. White (United Kingdom) Title: Aspects of the distribution and ... important forms. The larval stages occur in succession throughout the year suggesting niche separation to ... life histories as pelagic larval and juvenile phases. Only 30 larval stages of the 103 fish species ... abundant with greater proximity to the coast. Studies on ichthyoplankton temporal distribution in the fjord ...
Meeting Document : WG-FSA-93/09 : Autor(es): M.G. White (United Kingdom)
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Australia: An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
longline, now dominant method Trap trials in 2006, 2009-2011, 2013 IUU catches in early years (estimated ... more spread out from 2012 onwards Inclusion of releases from earlier years explored in ... years (blue). Shown are age-frequency histograms, proportions of fish that were mature pooled in 1 ... to be able to distinguish between signals in biomass and year-class strength (YCS) in the survey ...
Document : Site Section: Meetings
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Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)
Paper Title: Composition and characteristics of ichthyofauna in pelagic waters of South Georgia ... trawl census surveys conducted in Subarea 48.3. From 1984 to 1990 daily sampling stations aimed at ... ichthyocenosis in the subarea consisted of pelagic fishes (mainly Myctophidae), distributed at a depth range of ... 250 to 300 m, as well as demersal fishes in the pelagic stage of their life cycle. Catches contained ... caught years from 1 to 20% (Figure 9, Table 4). diurnally in the 60 to 85-metre near-bottom layer ... in the years of strong year classes and fishing mortality represents only a minuscule fraction of ... and Shag Rocks over several years. This paper, together with summaries of results of bottom ... , on rare occasions, hundreds of fish were taken in catches. Only in those years (1987 and 1990) when ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Autor(es): Frolkina, G.A., M.P. Konstantinova and I.A Trunov
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Results of E.L. Holmberg 1995 fish survey in Subarea 48.3
presence of krill aggregations in larger quantities than in last years survey. Author(s): Marschoff, E ... aggregation of stations in a nested ANOVA model. An increase over last year's values was observed in the ... 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 ...
Meeting Document : WG-FSA-95/35 : Autor(es): Marschoff, E., Madirolas, A., Balestrini, C., Tossonotto, G., Gonzalez, B., Calcagno, J.
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The principal results of YugNIRO complex studies in the Indian sector of the Antarctic
Abstract: In 1997 it was 30 years from the moment of launching YugNIRO fisheries studies in the ... Antarctic. Two essential points should be emphasized in the ideology and methodology of the studies carried ... out. Firstly, complex monitoring is their basis: in addition to the determination of the commercial ... B.G. Trotsenko (Ukraine) Title: The principal results of YugNIRO complex studies in the Indian sector ...
Meeting Document : WG-EMM-98/12 : Autor(es): V.I. Bondarenko, V.A. Bibik, V.V. Gerasimchook, E.P. Goubanov, A.V. Romanov and B.G. Trotsenko (Ukraine)