Résultats de la recherche
-
Further development of pairwise tag detection performance index and its application to the stock assessment of toothfish in the Ross Sea fishery
the scaled number of tags recaptured by the case hauls relative to the number of tags recaptured by ... the matched control hauls. By iterating over all events for all vessels, we generated a relative index ...
Meeting Document : WG-SAM-13/34 : Auteur(s): S. Mormede (New Zealand)
-
Cetaceans as indicators of historical and current changes in the East Antarctica ecosystem
Abstract: Changes in the Antarctic ecosystem have been triggered by anthropogenic and natural ... that the nutritional conditions of Antarctic minke whales have deteriorated as revealed by a decrease ... recruitment is consistent with the total abundance of Antarctic minke whale estimated by sighting surveys ...
Meeting Document : WG-EMM-16/64 : Auteur(s): Y. Fujise and L.A. Pastene
-
Chapter 3: Role of CCAMLR within the Antarctic Treaty System
Antarctic Treaty, including relevant measures and regulations established or recommended by the ATCM. In ... consider in relation to: (i) relevant measures or regulations established or recommended by the ATCM; and ... and covered by CM 91-02. General cooperation: completed and ongoing (i) (ii) significant progress ...
Page : Site Section: The Organisation
-
WG-KRILL-91
of investigations on krill damage by midwater trawl sections Y.V. Zimarev (USSR) WG-KRILL-91/19 Small ... ) WG-KRILL-91/25 By-catch of fish in the krill fishery I. Everson (United Kingdom), A. Neyelov and Y ... movement estimation by hydroacoustic observations P.P. Fedulov (USSR) WG-KRILL-91/29 Target strengths of ... -91/40 Krill target strength estimated by underwater photography and acoustics J.L. Watkins (United ...
Meeting
-
WG-EMM-16
the South Orkneys Ecosystem Studies (SOES) field work undertaken by RRS James Clark Ross (JR15004) and ... . Fernandes WG-EMM-16/24 By-catch of morid cods (Gadiformes: Moridae) in the CCAMLR area and adjacent areas ... method used by CCAMLR to estimate krill biomass (B0) in 2010 S. Fielding, A. Cossio, M. Cox, C. Reiss, G ... , T. Saucède and H. Weimerskirch WG-EMM-16/55 CEMP camera installations by Ukraine at the Galindez ...
Meeting
-
Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996
with features described by Stammerjohn and Smith (1996) for ice cover in the Bellingshausen Sea ... . Periods of extensive winter ice cover peaked in 1980, 1986, 1991and 1995 and were foreshadowed by the late ... years is apparent and is consistent with features described by Stammerjohn and Smith (1996) for ice ... 1995 and were foreshadowed by the late retreat of ice during the springs of 1985, 1990 and 1994. Ice ... ; Fraser and Trivelpiece, 1996; Loeb et al., in press) . These suggestions followed comments by many ... produced by the US Navy-NOAA Joint Ice Center (JIC), and surface air temperatures to infer sea-ice cover ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Auteur(s): Hewitt, R
-
Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
practically eliminated depredation of fish by killer whales (Orcinus orca) and sperm whales (Physeter ... macrocephalus). The performance of this fishing technique with regard to seabird mortality and depredation by ... by killer whales (Orcinus orca) and sperm whales (Physeter macrocephalus). The performance of this ... to seabird mortality and depredation by sperm and killer whales on fish catch rate was assessed ... , observers have estimated toothfish losses due to predation by killer whales to be as high as 50% (Tilney ... ., 1996). This prob- lem has been solved in part by the use of mitigation measures, such as streamer ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Auteur(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
-
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 ... 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 ... air being brought over the peninsula by the stronger westerlies forced by changes in the Southern ...
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
-
Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area
results are supported by our knowledge about the diet of the piscivorous Antarctic shag (Phalacrocorax ... by the offshore commercial fishery in the area in the late 1970s. This interpretation is consistent ... relative abundance of this species and G. gibberifrons are well below those found in the early 1980s. These ... . gibberifvons are well below those found in the early 1980s. These results are supported by our knowledge about ... . rossii and G. gibberifions over the last 16 years was most probably caused by the offshore commercial ... ), conservation measures have been adopted in order to assist the recovery of these species by banning directed ... fisheries and establishing stringent by-catch limits. Commercial fishing in the South Shetland Islands ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Auteur(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux
-
Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.
investigated using biological data collected by a Japanese commercial fishing vessel during the austral summer ... two species by depth may be related to physical intolerance to cooler temperatures because of the lack ... investigated using biological data collected by a Japanese commercial fishing vessel during the austral summer ... of the two species by depth may be related to physical intolerance to cooler temperatures because of ... sexual maturity of these two species of toothfish on BANZARE Bank, using biological data collected by a ... the seafloor at depths ranging from 630 to 1 960 m. Haul-by-haul catch and effort data and biologi ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Auteur(s): Taki, K., M. Kiyota, T. Ichii and T. Iwami