Resultados de la búsqueda
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Trawl selectivity for Champsocephalus gunnari
area. The trawl bags tested were made of net webbing with 3.1 mm twine and 88.2 mm mesh size. Trawling ... calculated using the collected data. It was found that the selectivity factor for 88.2 mm mesh size was 2.81 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 69–75 : Autor(es): Efanov, S.F., G.E. Bidenko and V.A. Boronin
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IMPACTS OF CLIMATE CHANGE ON ANTARCTIC MARINE ECOSYSTEMS: A CALL FOR ACTION
overall warming making it the region that is experiencing the most rapid warming on the planet: Future ... reductions in sea ice will be among the most immediate changes, and likely will lead to major alteration in ... impacts can be distinguished from fishing effects, on which the SC requested advice from the Working Group ...
Meeting Document : CCAMLR-XXVII/BG/27 : Autor(es): Submitted by ASOC
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
concluded that until the difficulties with the use of mark-recapture data are resolved, recruitment surveys ... -at-length data. The estimated long-term yield was 2500 tonnes with depletion probability of 0.081 and ...
Meeting Document : WG-FSA-07/53 Rev. 1 : Autor(es): S.G. Candy and A.J. Constable (Australia)
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Report on the activities of the Scientific Committee on Antarctic Research (SCAR) 2005/06SCAR Observer to CCAMLR
Abstract: This paper reports on the various activities conducted by or involving SCAR that relate ... Delegates Meeting and Open Science Conference held in Hobart in July 2006, progress with the new Evolution ... has been developing links with the CCAMLR 2008 IPY Survey. The new SCAR-MarBIN data portal continues ...
Meeting Document : CCAMLR-XXV/BG/22 : Autor(es): SCAR Observer to CCAMLR(G. Hosie, Australia)
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Effect of a shore-based sampling program on Notothenia coriiceps populations
summers of 1992/93 to 1994/95 at one specific zone (site 1) with those taken in the same last summer at ... two close but not previously sampled zones (sites 2 and 3). The fish were caught with trammel nets ... started in site 1. Present results show that the size variations of N. coriiceps observed at Potter Cove ...
Meeting Document : WG-FSA-99/24 : Autor(es): R. Casaux and E. Barrera-Oro (Argentina)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1993 winter and 1993/94 pup-rearing season
in 1990 and 1991. Nearly all animals were juveniles, half with severe injuries and the proportion of ... lowest ever (24%) and less than one-half that in 1992. Fishing net fragments and especially string and ... affected were female (previous highest 40%); combined with the highest proportion of adults and of severe ...
Meeting Document : SC-CAMLR-XIII/BG/03 : Autor(es): Delegation of United Kingdom
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Aggregation patterns of pelagic predators and their principal prey, Antarctic krill, near South Georgia
predators that feed upon krill. 2. Our data were collected in February 1986, during a systematic shipboard ... . 3. We approached the difficult analytical problems associated with spatial distributions of ... organisms by using spatial autocorrelation and cross-correlation analysis, regression models with spatial ...
Meeting Document : WG-CEMP-93/13 : Autor(es): R.R. Veit (USA), E.D. Silverman (USA) and I. Everson (United Kingdom)
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LENGTH-BASED ASSESSMENT FOR MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) IN SUB-AREA 48.3
approach that removes the problem of cohort determination. A stratified bootstrap technique (consistent ... with the current CCAMLR approach) is used to estimate the length distribution of the population from ... the survey data which, in conjunction with the bootstrapped survey biomass data, yields an estimate of ...
Meeting Document : WG-FSA-09/27 : Autor(es): R.M. Hillary (Australia), C.T.T. Edwards, R.E. Mitchel and D.J. Agnew (United Kingdom)
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Revised research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.1 in 2014/15
that using the CPUE method in each block. As we proposed at the last WG-SAM meeting, since we have yet ... appropriate catch limit, we propose to continue the current research operation for at least 3 years with the ... generally consistent with the current sample sizes. In addition, we propose to allow flexibility (i.e ...
Meeting Document : WG-FSA-14/18 : Autor(es): Delegation of Japan
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: a report on recent joint activities and links between ICED and CCAMLR
increasing mutual understanding of the key areas of ICED science and associated activities that are also of ... interest to CCAMLR. The 2018 ICED Projections Workshop, undertaken in collaboration with CCAMLR, provided ... scientific issue with respect to the management of Southern Ocean ecosystems in the face of change. Author(s ...
Meeting Document : WG-EMM-2019/02 : Autor(es): R.D. Cavanagh, N.M. Johnston and E.J. Murphy