Résultats de la recherche
-
A methodology for estimating total finfish by-catch of the Area 48 krill fishery
. Estimates of bycatch rates per tonne of catch were made at a family level for Channichthyidae, Nototheniidae ... and Notothenia rossii were used to convert total bycatch numbers to biomass at age of 50% maturity ... species respectively. Family specific biomass estimates at age of 50% maturity were then compared to ... available abundance estimates of Channichthyidae and Nototheniidae species at a family level, and at a ...
Meeting Document : WG-EMM-12/29 : Auteur(s): T. Peatman, S.M. Martin (United Kingdom), O.R. Godø (Norway) and R.C. Wakeford (United Kingdom)
-
Accumulation of fishing debris, plastic litter and other artefacts on Heard Island and Macquarie Island, Southern Ocean
summer 1987-88, and 1989 respectively. These surveys were carried out at the same sites of previous ... surveys in 1986-87 at Heard Island, and 1988 at Macquarie Island. The minimum rate of artefact ... catchment area. Plastic litter was a major component of the debris at both islands. Fisheries related debris ... at Macquarie Island. Author(s): D.J. Slip and H.R. Burton (Australia) Title: Accumulation of ...
Meeting Document : CCAMLR-VIII/BG/11 : Auteur(s): D.J. Slip and H.R. Burton (Australia)
-
Community structure of epipelagic macrozooplankton in the Ross Sea
located at 78°S, 175°E. Total of 13 taxa occurred at all stations and mean of 7.4 taxa were occurred in ... each sample. There was no marked difference in numbers of taxa occurred at each station and layer ... except at 0 ~ 50 m of 72°S, 175°E, where euphausiids only occurred. Copepods and chaetognaths dominated ... along 175°E. Pteropods comprised high percentage of total abundance at the southernmost stations along ...
Meeting Document : WG-EMM-07/34 Rev. 1 : Auteur(s): Y. Watanabe, S. Sawamoto, T. Ishimaru and M. Naganobu (Japan)
-
Review of CCAMLR activities on monitoring marine debris in the Convention Area
. The number of debris items has increased at Bird Island in 2006 and Signy Island in 2007, but ... decreased at King George Island in 2007. The majority of items reported were packaging materials, fishing ... gear and wood. Packaging items make up the majority of debris items reported from all three seasons at ... at Bird Island increased dramatically in 2007 with 58 reports of Antarctic fur seal entanglements ...
Meeting Document : SC-CAMLR-XXVI/BG/10 : Auteur(s): Secretariat
-
Do fish prey size affect the foraging patterns and breeding output of the Antarctic shag Phalacrocorax bransfieldensis?
number of specimens of the smallest fish species, Harpagifer antarcticus, consumed at that colony ... spent significantly more time in foraging activities. Although at the beginning of the study the number ... of chicks per nest was similar in the three colonies, the breeding output at Py Point was markedly ... Abstract: Concurrent information on diet composition, foraging patterns and breeding output of ...
Meeting Document : WG-EMM-02/4 : Auteur(s): R. Casaux and A. Baroni (Argentina)
-
Depth distribution and spawning pattern of Dissostichus eleginoides over the winter period in Subarea 48.3
statistically significant pattern of changing mean length at depth with month was found in both 1997 and 1998 ... seasons, suggesting movement of animals both up and down slope at particular times of year. Months with a ... Abstract: Trends in mean length and maturity stage of toothfish were examined using observer data ... high mean length at depth are May and August, and with a low mean length at depth are April and July ...
Meeting Document : WG-FSA-98/58 : Auteur(s): D.J. Agnew, K. Kerkieta, L. Heaps, C. Jones, J. Pearce and A. Watson (United Kingdom)
-
CEMP Fund cameras and satellite transmitter projects in areas of Ukraine responsibility: state and preliminary results
Ukraine is reported. The pictures of gentoo colonies at the Galindez and Petermann Islands, and Adelie ... photo validation was unsuccessful due to overloaded research program of biologists at the station. ARGOS ... transmitter projects in gentoo and Adelie penguin colonies at the Galindez, Petermann, and Yalour Islands. The ... activity in the Ukrainian Vernadsky Antarctic Station area on service of CEMP cameras and installation ...
Meeting Document : SC-CAMLR-XXXVI/BG/34 : Auteur(s): D. Lutsenko, G. Milinevsky, O. Savitsky, A. Simon, I. Dykyy, M. Telipska, V. Lytvynov and L. Pshenichnov
-
Update of the integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands (Division 58.5.2)
inclusion of random stratified trawl survey (RSTS) abundance-at-age for 2010 and 2011 and conversion of 2008 ... and 2009 RSTS abundance-at-length to abundance-at-age. This was possible due to the large number of ... Abstract: The integrated assessment of Patagonian toothfish, Dissostichus eleginoides, for the ... updating total removals by sub-fishery and updating catch-at-age and catch-at-length proportions was the ...
Meeting Document : WG-FSA-11/24 : Auteur(s): S.G. Candy and D.C. Welsford (Australia)
-
Movement and growth of tagged toothfish around South Georgia and Shag Rocks (Subarea 48.3)
recaptures of these fish tagged at South Georgia or elsewhere in the South Atlantic. Similarly, tags ... aims were to investigate the spatial and temporal movement of fish and to validate growth estimates ... CCAMLR observer trips. Of these, about 900 have also been injected with either Strontium Chloride or ... Oxytetracycline which places a marker on the otolith indicating the date of injection and release. To date, 50 ...
Meeting Document : WG-FSA-02/28 : Auteur(s): T.R. Marlow, D.J. Agnew and I. Everson (United Kingdom)
-
Fishing of the Patagonian toothfish (Dissostichus eleginoides) by the Chilean fleet (1991/92) in the Subarea 48.3 (South Georgia Island) and proposed TAC for the 1991/1993 season
at the north of South Georgia Island, including Black and Shag rocks, and the second one at the South ... of the island, hauls being made at depths between 1 100 and 1 450 m. The effort applied by the ... Chilean fleet totalled 2.71 million hooks, 2 883 tonnes were caught at an average CPUE of 1.06 k/hook ... estimated at 255 139 specimens, with a ratio of 59% males and 41% females. The stock assessment was made by ...
Meeting Document : WG-FSA-92/24 : Auteur(s): P.A. Espina, M.A. Araya and V.V. Meniconi (Chile)