Résultats de la recherche
-
Rationale, structure and current templates of the Ecosystem, Productivity, Ocean, Climate (EPOC) modelling framework to support evaluation of strategies to subdivide the Area 48 krill catch limit amongst small-scale management units
undertaking a work program to develop a management procedure for krill fisheries. To date, this has primarily ... management units through a number of workshops. Computer simulations are being used by WG-EMM to evaluate the ... modelling framework. In particular, it outlines the general considerations for designing a simulation ... EPOC to facilitate this work. Author(s): A. Constable (Australia) Title: Rationale, structure and ...
Meeting Document : WG-SAM-07/14 : Auteur(s): A. Constable (Australia)
-
Spatial patterns of temporal relationships in the Southern Ocean
limited by iron and light. Distributions of satellite-detected chlorophyll-a (Chl-a) show very complex and ... temperature (SST) and Chl-a can be used to map areas where different factors control phytoplankton production ... . Statistically significant spatial patterns in the covariance between MLD, SST and Chl-a show that the physical ... factors controlling phytoplankton production in the Southern Ocean change in a predictable manner. Well ...
Meeting Document : WS-BSO-07/5 : Auteur(s): M. Kahru and B.G. Mitchell (USA)
-
Proposal for an acoustic krill biomass survey in CCAMLR Division 58.4.2
is intended to produce a new estimate of B0 for this Division so that a revised precautionary catch ... limit can be established by CCAMLR. The planned survey will utilise a standardised design as adopted in ... previous B0 surveys in the CCAMLR Area and will use a similar methodology for collecting an analysing the ... data to that used on the CCAMLR2000 survey. The survey will be conducted from a single ship and will ...
Meeting Document : WG-EMM-04/37 : Auteur(s): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)
-
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 : Auteur(s): Delegation of the United Kingdom
-
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 : Auteur(s): D.C. Welsford (Australia)
-
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 : Auteur(s): Secretariat
-
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 : Auteur(s): I.G. Istomin, V.V. Akishin, V.A. Tatarnikov and I.I. Gordeev (Russia)
-
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 : Auteur(s): V.A. Tatarnikov, A.F. Petrov and I.I. Gordeev (Russia)
-
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 : Auteur(s): M.A Collins, M. Soffker, C. Darby, K. Ross and P.N. Trathan (United Kingdom)
-
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 : Auteur(s): T. Earl and A. Riley