Resultados de la búsqueda
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands, 2002/03
Signy Island, South Orkney Islands are reported for the 2002/2003 summer season. There was a single ... sighting of a seal wearing a neck collar of man-made debris. Data are compared with results from a parallel ... the lowest number recorded at Bird island since1999/00. Although such a decrease is encouraging, the ...
Meeting Document : SC-CAMLR-XXII/BG/13 : Autor(es): Delegation of the United Kingdom
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Data from recent trawl surveys in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), reveal an unusual cohort structure in the mackerel icefish (Champsocephalus gunnari) population
population dynamics of this species, and to provide a basis for an assessment of short-term annual yield in ... the 2011/2012 CCAMLR season. This paper provides a preliminary assessment of yield for the area of ... Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. A predicted in 2010, the strong 4 ... population, leading to a situation that is unusual for this region, with four or five successive year classes ...
Meeting Document : WG-FSA-11/22 : Autor(es): D.C. Welsford (Australia)
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CCAMLR tagging program: tag link status update
Abstract: In order to reflect the level of confidence when linking a tag recapture to a tagging ... introduced in 2011 a tag recapture link status code. For the 2011 season, a total of 1433 tags have been ... current season (2012), a total of 164 tags have been returned; 64% provide an exact match; 34% provided an ...
Meeting Document : WG-SAM-12/22 : Autor(es): Secretariat
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Design of the used on Russian vessels Sparta and Chio Maru No. 3 bottom trot-line for toothfish fishing
№3”. The trotline of a special design that was used is formed of main floating line and fastened ... catching of VME-organisms to a large extent, because at the presented design of a longline each line with a ... weight (“barandija”) has bunch of 5-10 snoods with hooks and length of a snood is 30-40 cm or sometimes ...
Meeting Document : WG-FSA-12/22 : Autor(es): I.G. Istomin, V.V. Akishin, V.A. Tatarnikov and I.I. Gordeev (Russia)
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Assessment of the analysis of anomalous CPUE data from data-poor exploratory fisheries
high CPUE for Dissostichus spp. revealed by several vessels in the Subareas 58.4.1, 58.4.2 and 48.6. A ... number of objective and subjective factors, which can have a principal effect on results of the analysis ... of anomalous high CPUE, are described. The opinion has stated that a criterion of anomalous CPUE ... should be specified under condition of CPUE standardization of different types of longlines. There is a ...
Meeting Document : WG-SAM-13/16 : Autor(es): V.A. Tatarnikov, A.F. Petrov and I.I. Gordeev (Russia)
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White-chinned petrel incidental mortality event in the Subarea 48.3 Patagonian toothfish fishery during the season extension period in the 2013/14 season
Abstract: During the 2014 experimental season extension in CCAMLR sub-Area 48.3 a single line ... for over 10 years. The circumstances associated with the event were investigated and a review of ... seabird mortality in the fishery undertaken. The mortality event occurred on a “Spanish” system longline ... partly set after Nautical Twilight other factors may have contributed to this event. A review of ...
Meeting Document : WG-FSA-14/28 : Autor(es): M.A Collins, M. Soffker, C. Darby, K. Ross and P.N. Trathan (United Kingdom)
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Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4
biomass across the time series and harvest rate of γ = 0.038, implies a 2018/19 yield of 37 tonnes ... , unchanged from the 2017/18 catch limit. Historically, a precautionary approach has been applied in treating ... the 48.4 Antarctic toothfish as a separate stock. Based on the biological characteristics of the ... Sandwich Islands are now hypothesised as being part of a much larger stock that extends south into Subarea ...
Meeting Document : WG-FSA-18/26 : Autor(es): T. Earl and A. Riley
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Relationships between distribution of two euphausiid species and oceanographic characteristics in the Ross Sea (January–February 2000)
6 hours a haul and a CTD cast (or a XBT launch) were performed, and a XBT was launched between ... first time a detailed description of the krill distribution in the Ross Sea area related to ... crystallorophias one. The first species was almost exclusively present in the northern area, interesting only a ... , while Euphausia superba was relatively abundant. The two species had a very limited, but with relatively ...
Meeting Document : WG-EMM-02/38 : Autor(es): A. Russo, M. Azzali, E. Biffi, G. Lanciani and E. Paschine (Italy)
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From KYM to GYM: the development of the krill yield model
a starting point for such documentation, as well as a conceptual approach which may provide a ... framework for a set of reference documents which could be held electronically on the CCAMLR website and/or ...
Meeting Document : WG-EMM-01/8 : Autor(es): Secretariat
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Development of standard methods for environmental data
index F2 (sea-ice), drafted a standard method for index F5 (sea surface temperature), and begun ... -ice cover viewed from a CEMP site), F3 (local weather at a CEMP site) and F4 (snow cover at a CEMP ...
Meeting Document : WG-EMM-98/06 : Autor(es): Secretariat