Résultats de la recherche

1. Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia

   Paper Title:  Seabird interactions with longlining operations for Dissostichus eleginoides at the ... lines and gave specifications for the line in an appendix to the measure. Based on experiences in the ... but were 10 mm in diameter. Pieces of the squid Illex argentinus were used for bait, with roughly 20 ... completed in the 1992/93 season, a value for seabird mortality of 2 436 birds/year Seabird Interactions ... Peninsula, islands of the Scotia Sea and Antarctic continent between 80°W and 20°W: their status and ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Auteur(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

2. Revised selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3

   Abstract:  Kirkwood and Agnew (2001, paper WG-FSA-01/48) proposed an ad hoc method for estimating ... method for estimating the selectivities based on an assumption that the proportions of the total CPUE in ... an area for a particular length class that are taken in different depth zones are Beta-distributed ... selectivities for the years 1995 – 2000 for input to the GYM assessment. In this paper, I propose a revised ...

   Meeting Document : WG-FSA-02/64 : Auteur(s): G.P. Kirkwood (United Kingdom)

3. 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)

4. 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

5. 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.

6. 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.

7. 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

8. 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)

9. 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)

10. 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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