Résultats de la recherche
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Climate Change, Longevity Overfishing and Precautious Management of the Area 88 Toothfish Fishery
Abstract: Three aspects of current management of the “exploratory” Antarctic toothfish ... face of climate-related environmental changes currently underway. These aspects are: 1) lack of ... of this species to climate-related factors; and 3) an increase in that sensitivity owing to the ... targeted removal of the oldest, most successful and most fecund toothfish. The current strategy is to ...
Meeting Document : WG-FSA-09/07 : Auteur(s): D. Ainley (USA), M. Massaro, G. Ballard (New Zealand) and J.T. Eastman (USA)
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Status and trends of Adelie penguin populations in the Ross Sea region
Abstract: Aerial reconnaissance and photography were used in the Ross Sea sector of Antarctica to ... determine the breeding locations of Adé1ie penguins Pygoscelis adeliae, and to count the numbers of nests ... Adé1ie rookeries are now known from the region, with a total of about 1,082,1300 breeding pairs – almost ... half the world population. Some rookeries were photographed in all, or most, of the seven seasons to ...
Meeting Document : WG-CEMP-92/23 : Auteur(s): R.H. Taylor, P.R. Wilson and B.W. Thomas (New Zealand)
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Feeding of nine Antarctic fish species and their daily ration evaluations
Abstract: Feeding patterns of four Nototheniid, three Channichthyiid and two Bathydraconiid ... species were investigated and their daily diets were assessed from data obtained at a day-long station ... carded out in the Cosmonauts Sea (67°50 S- 41°25 E) in March 1988. The type of food consumed by ... mainly of Euphausiids; T. centronotus is a benthophage feeding mainly on Gammarids and Polychaetas, T ...
Meeting Document : WG-FSA-91/08 : Auteur(s): Ye. A. Pakhomov and V. B. Tseitlin (USSR)
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Model-based, ecosystem risk assessments of MPA scenarios in Planning Domain 1
parameterizations of this model and conduct comparable risk assessments at smaller spatial scales. We use the method ... -Fishery Model to assess the risks of distributing catch limits for krill among small-scale management ... to assess some of the risks associated with two marine protected area (MPA) scenarios in Planning ... Argentina and Chile can, if desired, be improved by changing the sizes of the coastal buffers that define ...
Meeting Document : SC-CAMLR-XXXVI/BG/27 : Auteur(s): Delegation of the USA
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Biomass of Antarctic krill (Euphausia superba) off east Antarctica (30–80°E) in January–March 2006
the transects at 62°S. The majority of acoustic detections were in the top 100m of the water column ... Abstract: A multidisciplinary, single-ship survey of CCAMLR Division 58.4.2 was conducted in ... January-March 2006, during which time multifrequency echosounder data were collected for the purposes of ... estimating the biomass (B 0) of Antarctic krill (Euphausia superba). The mean density of E. superba ...
Meeting Document : WG-EMM-06/16 : Auteur(s): T. Jarvis, E. van Wijk, N. Kelly, S. Kawaguchi and S. Nicol (Australia)
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Proposal to continue participation in the second year of the joint CCAMLR research survey to collect spatially stratified longline and bathymetric data in 88.2_A and 88.2_B in 2015/16
plan, previously agreed at CCAMLR XXXIII. Author(s): Delegation of the United Kingdom Title: Proposal ... Abstract: Toothfish in SSRUs 882.A–B are currently managed as part of the Ross Sea region stock ... the management across all of the region. Recognising this requirement, the Scientific Committee ... endorsed two years of spatially stratified longline surveys in the northern region of SSRUs 88.2A–B (SC ...
Meeting Document : WG-SAM-15/32 : Auteur(s): Delegation of the United Kingdom
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Insights from the study of the last intact neritic marine ecosystem
Southern Ocean and other portions of the World Ocean, remains at least for now, intact. If its whales ... , after compiling information from 19 subregions, on how the exploited shelf ecosystems of the North ... be structured by predation. Analysis has shown, however, that some portions of the Ross Sea follow ... , bottom-up structuring likely would prevail. Author(s): D. Ainley Title: Insights from the study of the ...
Meeting Document : WG-EMM-07/P3 : Auteur(s): D. Ainley
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Fishing intensity of Russian fleet krill fishery in Subarea 48.2 and 48.3
and 48.3 amounted to at least 95% of total catch. The calculations were based on the Soviet fleet haul ... Abstract: The purpose of this paper was estimating commercial fleet impact on krill population in ... -by-haul data using a model of probabilistic-statistical theory of fishery systems developed in the ... AtlantNIRO. Intensity of commercial fleet impact on krill population, on biomass and density of krill ...
Meeting Document : WG-EMM-02/62 : Auteur(s): S.M. Kasatkina and V.F. Ivanova (Russia)
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Modifications to the Generalised Yield Model: updated input of recruitment time series data and annual fishing selectivity functions
series from survey data for each value of natural mortality used in the assessments, whenever it is ... altered over the range of uncertainty in M factored into the assessment process. Data from outputs from ... , endeavouring to predetermine the recruitment series with an average value of M is no longer necessary for ... sections for each year at which the selectivity is altered. Author(s): A.J. Constable (Australia) Title ...
Meeting Document : WG-FSA-01/74 : Auteur(s): A.J. Constable (Australia)
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Standardised estimates of D. eleginoides catches per effort in Subarea 48.3 using information for 1985/86–1990/91 seasons
Abstract: A brief description of hawl-by-hawl data sets from Ukrainian commercial vessels fishing ... summer months off the eastern South Georgia and at Shag Rocks. The length frequency modes amounted to 95 ... -100 cm, which exceeded modes for the latest years of fishery. Using the generalized additive model the ... approximately similar, while in 1996-99 it decreased sharply. It is shown that significance of such factors as a ...
Meeting Document : WG-FSA-00/33 : Auteur(s): P. Gasiukov (Russia) and V. Bibik (Ukraine)