Résultats de la recherche

1. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

   both ecological processes and in community structure. Habitats revealed by collapsed ice shelves ... one of the recommendations made by the Antarctic Treaty Meeting of Experts in 2010. File:  Trathan et ... communities under ice shelves in the context of recent, rapid, regional climate change Abstract / Description ... :  Recent rapid climate change is now well documented in the Antarctic, particularly in the Antarctic ... consistent with the precau- tionary approach advocated by Recommendation 26 of ATME in 2010 (ATCM, 2010). A ... such changes, primarily in the absence of any effects caused by other human activities. In this ... changes in both ecological processes and in community structure. Habitats revealed by collapsed ice ... would fulfil one of the recommendations made by the Antarctic Treaty Meeting of Experts in 2010 ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Auteur(s): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock

2. Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)

   Paper Title:  Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions ... participation in the fishery, with only some Small-scale Research Units (SSRUs, consisting of 10° longitude ... there are two stocks in the area, one in Division 58.4.1 and one in Division 58.4.2, with the division ... very low productivity. Estimates of average biomass were made by comparison of standardised catch rates ... for each stratification as density multi- plied by area size. In the analysis presented here, a ... of toothfish in an area, with animals only being replaced by immigration over the scale of a year ... useful in assessments (Table 5). Although a large number of tags have been released by other nations ... 58.4.2. A reduc- tion in catch limit should be accompanied by more innovative exploratory research, in ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Auteur(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán

3. Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies

   Paper Title:  Interactions of Patagonian toothfish fisheries with killer and sperm whales in the ... Patagonian toothfish (Dissostichus eleginoides) longline fishery is exposed to high levels of depredation by ... Patagonian toothfish were lost due to depredation by killer whales and both killer and sperm whales. Killer ... pods were involved in 81.3% of the interactions. Significant variations of interaction rates with ... hauled in the presence of cetaceans divided by the total number of longlines set by a given fishing ... depredated by a pod of killer whales and left the area to set its lines in another area, the time necessary ... depredation rates could also be explained by a greater efficiency (i.e. an increase in the amount of fish ... Crozet Islands Longline fisheries are the most impacted by depredation. In tropical and sub-tropical ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Auteur(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet

4. Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic

   Paper Title:  Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in ... eleginoides) was investigated in two offshore regions in the southwestern Atlantic: on the Argentinian ... principal fish species in the diet of D. eleginoides on the Argentinian continental shelf were nototheniids ... (Zoarcidae, Moridae, Bathydraconidae, Channichthyidae) and on Decapoda, while juveniles in coastal waters ... Kondakovia longimaiza with an occurrence of 14.7%F and a high percentage by weight in the diet due to the ... ; stratification was made by area and depth intervals. In all three cruises, samples were collected using an ... distributions were determined by grouping individuals in 10 cm total length (TL) classes. Fish were sorted by ... cluster analysis were used to characterise feeding preferences by sex and length categories in each ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Auteur(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa

5. WG-FSA-98

   eleginoides R. Williams (Australia) WG-FSA-98/42 Seabird by-catch in the Patagonian toothfish longline fishery ... trawl survey in 1998 A. Constable and D. Williams (Australia) WG-FSA-98/55 Pooled-length density data ... WG-FSA-98/11 Fish by-catch in krill fisheries Secretariat WG-FSA-98/12 Fishery data reporting ... longline vessels J. Molloy (New Zealand) WG-FSA-98/25 Annual review of by-catch in southern bluefin tuna ...

   Meeting

6. WG-SAM-08

   -SAM-08/11 A PROPOSED MANAGEMENT PROCEDURE FOR THE TOOTHFISH (Dissostichus eleginoides) RESOURCE IN THE ... MODEL FOR MODELLING MOVEMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA A. Dunn and S. Rasmussen (New ... , Russia Date(s):  Monday, 14 July 2008 to Tuesday, 22 July 2008 Submissions Due:  Monday, 30 June 2008 ... and Modelling (St Petersburg, Russia, 14 to 22 July 2008) WG-SAM-08/02 List of participants WG-SAM-08 ...

   Meeting

7. An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   between the Antarctic sectors, but latitudinally it is maximal in the Polar Frontal Zone and declines to ... for differences in the extent of identification of early larval stages. Likewise, the time of year ... in size structure and abundance. Other issues are specific to polar environments, for example, lipid ... in global literature compilations. Likewise, stenothermy (narrow temperature tolerance) means that ... factors is presented in Postel et al. (2000), with a summary of conversions for modellers provided by ... relationships to food and temperature. Functional relationships are in great demand by modellers but seldom ... salps in some subregions in some years (Conover and Huntley, 1991; Voronina, 1998; Pakhomov et al ... water column in the productive sea- son, followed by reproducing adults. Most studies address the ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Auteur(s): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie

8. The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)

   of the development of a management regime for them. Finally it aims to highlight areas in which ... further research should be directed in order to provide information on which to base the most appropriate ... assessment and management methods in light of continuing interest in the regional crab fishery. Considerable ... gaps in our knowledge of the biology, ecology and demography of the lithodid species at South Georgia ... . Further evidence of a long intermoult period in P. spinosissima was pro- vided by Otto and MacIntosh ... depths largely unsampled by the exploratory fisheries. Despite some overlap in the depth distribution ... individuals have been caught in low numbers by both demersal trawl surveys and pots at depths of 420–430 m ... , 1998). These factors clearly are of relevance to stock manage- ment and need to be considered in ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Auteur(s): Belchier, M., T. Peatman and J. Brown

9. WG-SAM-14

   Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14 R ... 58.4.4b by Shinsei maru No. 3 in 2014/15 Delegation of Japan WG-SAM-14/15 Revised assessment models for ... fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2013/14 season R. Sarralde, L.J. López ... Subarea 88.2 A in 2014–2017 Delegation of the Russian Federation WG-SAM-14/07 Plan of research program of ...

   Meeting

10. Contribution to knowledge on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Division 58.4.1

    mawsoni from Division 58.4.1 is presented. It is included the methodology used in the otolith preparation ... parameters estimates by sex. Growth parameters obtained using length-age pair values are: L ∞: 154.4, k ... : 0.1141 and t 0: 0.8488 all combined.   Author(s):  L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde and ... Abstract:  A summary of progress made regarding the ageing and growth studies for Dissostichus ...

    Meeting Document : WG-FSA-15/06 : Auteur(s): L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde and S. Barreiro (Spain)

Pages