Résultats de la recherche
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Preliminary standardised CPUE analysis of the New Zealand toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02
Abstract: This report provides the first analysis of standardised catch per unit of effort (CPUE ... ) from the exploratory fishery for Antarctic toothfish Dissostichus mawsoni, which has operated in ... Subarea 88.1 for five seasons, from 1997 to 2002. Two analyses are presented. The first (all-ground ... ) analysis reviewed catch from 1998 to 2002 (excluding the 1997 season as insufficient data were available ...
Meeting Document : WG-FSA-02/41 : Auteur(s): R.G. Blackwell and S.M. Hanchet (New Zealand)
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Modelling the impact of fishery by-catches on albatross populations
Abstract: 1. Several albatross species, including the wandering albatross Diomedea exulans, have ... -catch in longline fisheries and this mortality has been implicated in the population declines. 2. We ... developed a deterministic, density-dependent, age-structured model for assessing the effects of longlining ... the Crozet Islands, data on albatross abundance from 1960 to 1995, and reported effort data from the ...
Meeting Document : WG-FSA-01/18 : Auteur(s): G. Tuck, T. Polacheck (Australia), J.P. Croxall (UK) and H. Weimerskirch (France)
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Analysis of trawl data from the South Georgia krill fishery
Abstract: Data from individual trawls carried out by vessels operating in the krill fishery at ... South Georgia are examined and a range of descriptive measurements reflecting the operation of the ... fishery are produced. The measurements indicate that the krill fishery at South Georgia is geographically ... focussed, operating in a limited area along the shelf edge on the northern coast of the island. Each day a ...
Meeting Document : WG-EMM-97/41 : Auteur(s): Parkes, G., Trathan, P.N., Everson, I., Murphy, E.J.
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A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997/98 TO 2008/09
Abstract: The exploratory fishery for Dissostichus spp. has now been operating for 13 years in ... biological data has been collected on toothfish and the associated bycatch. The purpose of this report is to ... characterise the general fishing patterns over time and, in particular, to identify possible changes to the ... fishery which may be indicative of localised stock depletion. We considered here the catch limit, changes ...
Meeting Document : WG-FSA-09/36 : Auteur(s): S.M. Hanchet, A. Dunn and S. Mormede (New Zealand)
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MULTIPLE TIME SCALES OF VARIABILITY IN THE KRILL POPULATION AT SOUTH GEORGIA
Abstract: The South Georgia region supports a high biomass of krill that is the subject to high ... inter-annual variability. The lack of a self-sustaining krill population at South Georgia means that ... understanding the mechanism underlying these observed population characteristics is essential to a successful ... ecosystem-based management of any krill fishery in the region. Krill acoustic density data from surveys ...
Meeting Document : WG-EMM-08/48 : Auteur(s): K. Reid, J. Watkins, E. Murphy, P. Trathan, S. Fielding and P. Enderlein (United Kingdom)
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Spatial and seasonal distribution of adult Oithona similis in the Southern Ocean: predictions using boosted regression trees
trees to derive relationships between environmental conditions and the distribution of the adult stage ... of the cyclopoid copepod Oithona similis in the Southern Ocean. Nearly 20 000 samples from the ... Southern Ocean Continuous Plankton Recorder survey (87% from East Antarctica) were used to model the ... waters. We demonstrate that it is possible to obtain reasonable models for both the presence (area under ...
Meeting Document : WG-EMM-10/P14 : Auteur(s): M.H. Pinkerton, A.N.H. Smith, B. Raymond, G.W. Hosie, B. Sharp, J.R. Leathwick and J.M. Bradford-Grieve
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in SSRUs C and E in Division 58.4.1 in 2013/2014
Abstract: In the Division 58.4.1 there are two stocks; one extends from the SSRU 58.4.1C to the ... SSRU 58.4.2A, and the other one to the SSRU 58.4.1H. The population sizes were vulnerable with a big ... range of about 1,000-2,000 t per SSRU in 58.4.1 and 100-1,500 t per SSRU in 58.4.2. During the 2003-2007 ... recaptured which were not enough data to estimate stock biomass for considering the precautionary catch limit ...
Meeting Document : WG-FSA-13/44 : Auteur(s): Delegation of the Republic of Korea
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Atlas of top predators from French Southern Territories in the Southern Indian Ocean
that have to come on land to reproduce. Therefore, they are the only marine top predators that can be ... studied from land base sites, making them the most accessible convenient models to study marine ecosystems ... mitigation actions and restricted protection of the sole coastal areas, are insufficient, especially for the ... oceanic realm. Today, there is an urgent need to identify and protect the open sea environments where ...
Meeting Document : WG-EMM-16/42 : Auteur(s): K. Delord, C. Barbraud, C.-A. Bost, Y. Cherel,C. Guinet and H. Weimerskirch
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INFORMATION ON ILLEGAL FISHING IN STATISTICAL AREA 58 ASSESSMENT OF ILLEGAL FISHING IN FRENCH WATERS AROUND KERGUELEN AND CROZET ISLANDS REPORT OF OBSERVATIONS AND INSPECTIONS IN THE CCAMLR AREA 2009/2010 SEASON (1 JULY 2009 – 15 AUGUST 2010)
Abstract: 1/ Resources deployed by France to fight illegal fishing The system deployed by France ... to fight illegal fishing in the EEZs of the French Antarctic Territories uses both a maritime ... . The French Navy makes available a dedicated patrol vessel and surveillance frigates carrying ... helicopters. The Osiris, a patrol vessel for the Department of Maritime Affairs, originally an illegal fishing ...
Meeting Document : CCAMLR-XXIX/44 : Auteur(s): Delegation of France
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Preliminary investigations of an assessment model for skates and rays in the Ross Sea
Abstract: This report presents the data and preliminary results from developmental model for ... Antarctic skates in SSRUs 88.1H, 88.1I, 88.1J, & 88.1K of the Ross Sea. The developmental model ... attempted to create a catch history of all skates and rays in the Ross Sea, and integrate these data with ... the available observational data (including tag-recapture data) into a single integrated stock ...
Meeting Document : WG-SAM-07/4 : Auteur(s): A. Dunn, S.M. Hanchet, S.L. Ballara and M.P. Francis (New Zealand)