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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. New data on Antarctic toothfish and some others by-catch fishes fecundity with gonads histological pictures from Ross Sea region and data on Patagonian toothfish from the Argentina Sea

    Abstract:  Results of samples’ processing fixed from Sub-area 88.1 in the 2003-2004 season aboard ... f/v «Yantar» operating in the Exploratory Fishery were presented. According to the results of ... it was ascertained that intermittent oogenesis type and synchronic development of the nearest ... the predominant part of pre-spawning individuals was concentrated over isolated sea mountains to the ...

    Meeting Document : WG-FSA-05/28 : Autor(es): V.G. Prutko and L.A. Lisovenko (Russia)

  2. The BROKE-West acoustic krill biomass survey of CCAMLR Division 58.4.2

    krill in CCAMLR Division 58.4.2 (the South West Indian Ocean Sector) in January-March 2006. The survey ... limit can be established by CCAMLR.. The survey will be conducted from a single ship and will consist of ... 11 parallel transects between 30° and 80°E. The survey design was presented to WG-EMM for their ... comment in 1995 and suggested improvements have been incorporated into the final design. Author(s):  S ...

    Meeting Document : WG-EMM-05/11 : Autor(es): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)

  3. Preliminary analyses in support of the CEMP Review Workshop: power analyses

    Abstract:  A series of power (sensitivity) analyses of CEMP indices was made using the DOS-based ... change over the range –10% to +10% of a mean survey value. Each run of MONITOR involved the calculation ... of power for 3 survey scenarios and 3 alpha levels (0.05, 0.10 and 0.20). The 3 surveys scenarios ... change. However, changes within the range –10% to +10% can be detected in indices A1, A2, A5a, A7, A8b ...

    Meeting Document : WG-EMM-03/26 : Autor(es): Secretariat

  4. Estimation of catch rate and mean weight in the exploratory Dissostichus fisheries across Divisions 58.4.1 and 58.4.2 using generalised additive models

    Abstract:  The exploratory longline fisheries in Divisions 58.4.1 and 58.4.2 (primarily targeting ... between 2003 and 2011 enabled the development of generalised additive mixed models that were then used to ... across the region are low compared to those in other Dissostichus fisheries within the Convention Area ... hooks. The region around Prydz Bay is predicted have the highest catch rate of D. mawsoni and is also ...

    Meeting Document : WG-FSA-11/35 : Autor(es): D.C. Welsford (Australia)

  5. Flexible foraging strategies of gentoo penguins help buffer the impacts of inter-annual changes in prey availability

    . We examined inter-annual changes in the foraging strategies and diet of gentoo penguins in the South ... Shetland Islands, Antarctica, over five years. Antarctic krill Euphausia superba was the primary diet item ... , and fish the secondary, though the importance of these items varied among years. Diving behavior also ... flexibility may contribute to why gentoo penguin populations have remained stable in the region, while their ...

    Meeting Document : WG-EMM-08/50 : Autor(es): A.K. Miller and W.Z. Trivelpiece (USA)

  6. An overview and some preliminary results of a biological/oceanographic survey off the coast of East Antarctica (80-150°e) carried out in January to March 1996

    Abstract:  A major biological/physical survey of the waters off East Antarctica was carried out ... between January and April 1996. The focus was on the distribution and abundance of Antarctic krill in ... oceanographic and biological variables over the entire survey area. This paper summarises the range of variables ... preliminary results of a biological/oceanographic survey off the coast of East Antarctica (80-150°e) carried ...

    Meeting Document : WG-EMM-96/29 : Autor(es): de la Mare, W., Wright, S., Bindoff, N., Thiele, D., Pauly, T., Gillespie, D., Woehler, E., Nicol, S.

  7. Results from the reduced groundfish survey conducted in CCAMLR Subarea 48.3 in January 2012

    Abstract:  A reduced (three day) groundfish survey took place at Shag Rocks on the FV New Polar ... between the 26-28th January 2012. This survey was not intended to be a full biomass survey so only 20 ... and Euphausiidae was the dominant prey item in the mackerel icefish diet. Strong acoustic marks, some ... of which may be attributable to icefish, were observed in the water column, and in only 23 hauls 15.2 ...

    Meeting Document : WG-FSA-12/37 : Autor(es): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom)

  8. Preliminary stock assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet islands (part of subarea 58.6)

    Abstract:  A preliminary assessment is undertaken to increase the knowledge of the Patagonian ... show different estimates for the initial and current biomass. A range of 55000 to 115000 tons is ... observed for B0 estimates and SSB never fall below 70% of the initial biomass considering the actual level ... Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet islands (part of subarea 58.6 ...

    Meeting Document : WG-FSA-13/05 : Autor(es): R. Sinegre and G. Duhamel (France)

  9. A new plan for pelagic ecological research within the US AMLR Program

    Abstract:  This document outlines the concept and rationale for movement to an instrument-based ... (moorings and gliders) program of oceanographic and ecological observations and research to support the U.S ... . commitment to CCAMLR and ecosystem science in the Southern Ocean. The U.S. AMLR Program's historical ... of a ship-based research program, can reduce costs while still achieving NOAA’s mission in the ...

    Meeting Document : WG-EMM-17/04 : Autor(es): C. Reiss and G. Watters

  10. Mark-recapture inputs to the 2017 Ross Sea region stock assessment (Subarea 88.1 and SSRUs 88.2A–B)

    Abstract:  We provide a summary of the mark-recapture data inputs to the 2017 Ross Sea region ... detection rates for each vessel were calculated. In the last few years the effective tagging survival is ... estimated at about 65% and the effective tag detection rate at about 85%. Author(s):  S. Parker and S ... . Mormede Title:  Mark-recapture inputs to the 2017 Ross Sea region stock assessment (Subarea 88.1 and SSRUs ...

    Meeting Document : WG-FSA-17/36 : Autor(es): S. Parker and S. Mormede

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
Facsímil: +61 3 6224 8744
Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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