Résultats de la recherche
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Stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1991/91 season, using virtual population analysis
situation to assessments in 1989/90 with a decrease in overall biomass and recruitment over recent years ... Abstract: An assessment of the Champsocephalus gunnari fishery in sub-area 48.3 using VPA from ... 48.3 for the 1991/91 season, using virtual population analysis Approval: Approved ...
Meeting Document : WG-FSA-91/15 : Auteur(s): G. Parkes (United Kingdom)
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3a
fishery and in recent years has been linked to an exemption for night setting in CM 24-02 and subject to ... exploratory in 2000. That year, the Commission agreed on four exploratory fisheries for Dissostichus spp. in ... and 2006/07, with broad modes at approximately 50–80 and 90–130 cm. In 2007/08, a single mode was ... populations 19. None available for this fishery. 5.3 Identification of levels of risk 20. None ...
Document : Site Section: Publications
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Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program
Paper Title: Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring ... (% Current Value) (20 %) 5 5 (30%) 2 3 Sample sizes required for five years of monitoring and a = 0.10 ... Difference (d) ( 1 0 %) 34 54 (% Current Value) (20 %) 9 1 4 (30%) 5 7 Sample sizes required for five ... (% Current Value) (20 %) Colony 4 - late January chick counts Sample sizes required for five years of ... (30%) 4 6 418 0.9 88 25 7 4 71 20 0.9 72 1 9 9 71 1 8 8 Table 4 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Auteur(s): Whitehead, M.D.
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1989/1990 stock status and TAC assessment for Patagonotothen brevicauda guntheri in South Georgia subarea (48.3)
South Georgia subarea (48.3) Abstract / Description: The 1989/90 stock status and TAC assessments for ... the regression equation between fishing mortality and standardized fishing effort for each age-class ... Paper Title: 1989/1990 stock status and TAC assessment for Patagonotothen brevicauda guntheri in ... material for 1978/79 through 1988/89 collected by Soviet scientists. VPA tuning has been accomplished using ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 101–110 : Auteur(s): Shlibanov, V.I.
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Report on attendance at the Sixth Meeting of the Committee for Environmental Protection Under the Madrid Protocol
the Committee for Environmental Protection (CEP-VI) under the Madrid Protocol. The most important ... (with those organizations) to seek a common approach as to how special protection for species in the ... marine environment could be achieved and how proposals under the Protocol for designating Specially ... ] the Commission for the Conservation of Antarctic Marine Living Resources, or the Convention for the ...
Meeting Document : CCAMLR-XXII/BG/11 : Auteur(s): Chair of the CCAMLR Scientific Committee
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SEASONAL ESTIMATION OF ABUNDANCE BY BOOTSTRAPPING INEXACT RESEARCH DATA (SEABIRD): A METHOD FOR ASSESSING ABUNDANCE AND UNCERTAINTY FROM HISTORICAL COUNT DATA USING ADELIE PENGUINS AS A CASE STUDY
Abstract: In addition to a review of published studies on Adelie penguin abundance at breeding ... sites in Antarctica, Southwell (2004) proposed a general abundance estimator appropriate for a species ... bootstrap model, utilising as input data published counts of Adelie penguins and estimates of their ... the R language for statistical computing (R Development Core Team 2008). Software is reliant on data ...
Meeting Document : WG-EMM-PSW-08/11 : Auteur(s): J.P. McKinlay and C.J. Southwell (Australia)
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A method for estimating recruitment and mortality from time series of length-density data
method for jointly estimating natural mortality and cohort strength at age 4 using a negative log ... years. A worked example is provided in an appendix. Author(s): A. Constable and I. Ball (Australia ... Abstract: Estimates of natural mortality are currently unavailable for Patagonian toothfish. Such ... estimates are needed for estimating recruitments and for use in assessing yield. This paper proposes a ...
Meeting Document : WG-FSA-00/52 : Auteur(s): A. Constable and I. Ball (Australia)
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Mackerel icefish Champsocephalus gunnari in the diet of upper trophic level predators at South Georgia: implications for fisheries management
Abstract: Mackerel Icefish Champsocephalus gunnari Lönnberg is an important component of the ... ecosystem at South Georgia where its diet is dominated by Antarctic Krill Euphausia superba, it is an ... important prey species for a number of upper trophic level predators, and is the target of commercial ... . gunnari population. C. gunnari occurred in 20 – 40 % of scats from Antarctic fur seals and comprised 48 ...
Meeting Document : WG-FSA-03/74 : Auteur(s): K. Reid, S. Hill and T. Diniz (United Kingdom)
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BIOLOGICAL PROSPECTING IN THE SOUTHERN OCEAN, A ROLE FOR CCAMLR
some CCAMLR provisions, in particular the Convention’s reporting requirements outlined in Article 20 ... . Last June, ATCM XXXI discussed the report from an Intersessional Contact Group (ICG) that was ... PROSPECTING IN THE SOUTHERN OCEAN, A ROLE FOR CCAMLR Approval: Approved ... and monitoring requirement pursuant to Article 2. Author(s): Submitted by IUCN Title: BIOLOGICAL ...
Meeting Document : CCAMLR-XXVII/BG/36 : Auteur(s): Submitted by IUCN
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Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari
Paper Title: Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides ... incidental mortality were observed during commercial trawling operations for Patagonian toothfish ... (Dissostichus eleginoides) in the 1994/95 season near Macquarie Island and Kerguelen Island. Longlining for D ... . eleginoides and trawling for mackerel icefish (Champsocephalus gunnari) were also observed at Kerguelen. Many ... observed during the last 20 years (Woehler, in press) underlines the importance of quantifying the ... INTERACTIONS WITH TRAWL AND LONGLINE FISHERIES FOR DISSOSTICHUS ELEGINOIDES AND CHAMPSOCEPHAL US GUNNARI R ... for Patagonian toothfish (Dissostichus eleginoides) in the 1994/95 season near Macquarie Island and ... Kerguelen Island. Longlining for D. eleginoides and trawling for mackerel icefish (Champsocephalus gunnari ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Auteur(s): Williams, R. and D. Capdeville