Resultados de la búsqueda
-
Fishing with pots in the Antarctic region (CCAMLR Statistical Subareas 48.1, 48.2 and 88.3)
, with the purpose of determining the presence of Dissostichus spp. in Subareas 48.1, 48.2 and 88.3. In ... Abstract: Results of the February-March 1998 exploratory and experimental fishing operations ... the fishing gear, with a distance of approximately 90 m between them. The pots were lowered at a depth ... microps) (11%). Regarding the number of individuals caught, most were amphipods (55%), Antarctic crab (P ...
Meeting Document : WG-FSA-98/20
-
A false positive in the CCAMLR tag overlap statistic arising from low catch volume and consequent limited sample size
minimum of 60% as specified in CM 41-01. A review of the data indicates that the number of fish tagged was ... of fish tagged did not match closely with that of the catch resulting in a the overlap statistic, as ... where the noise associated with such low numbers of fish triggers false positives in the tag statistic ... Abstract: The draft CCAMLR compliance report has recorded that when fishing in Subarea 88.2 in ...
Meeting Document : WG-FSA-14/31 : Autor(es): C. Darby (United Kingdom)
-
Fish by-catch in the krill fishery: 2017 update
evidence of an increase in the data quality from the observer scheme, as well as an increase in the ... reporting of fish by-catch in the commercial krill fishery catch data. There was a high degree of overlap in ... frequently reported in both datasets. The length-frequency distribution of all taxa for which >200 fish ... taken as bycatch in the krill fishery are consistent with those reported in the diet of ‘krill ...
Meeting Document : WG-FSA-17/04 : Autor(es): CCAMLR Secretariat
-
Foraging patterns in the Antarctic shag (Phalacrocorax bransfieldensis) at Harmony Point, Antarctica
reduce the extension of the foraging trips which in years of scarce food availability may no result in ... reducing the daily total time spent foraging due to the marked increment in the number of trips required to ... . The possibility of using the foraging parameters considered in this study in monitoring programmes is ... Abstract: During the 1995/96 and 1996/97 summer seasons the foraging pattern of the Antarctic ...
Meeting Document : WG-EMM-04/22 : Autor(es): R. Casaux and A. Baroni (Argentina)
-
Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) program: developing ICED and CCAMLR joint activities
projections of change in Area 48- Developing projections of the future state of Southern Ocean ecosystems ... Abstract: The Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme ... Ocean ecosystems. This will be achieved through the analysis and integration of available data together ... valuable information for ecosystem-based management in the region. Following discussions between ICED and ...
Meeting Document : WG-EMM-17/36 : Autor(es): E. Murphy on behalf of ICED SSC
-
Mitigation trials and recommendations to reduce seabird mortality in the pelagic icefish (Champsocephalus gunnari) fishery (Subarea 48.3)
idea of binding the net with sisal string on shooting, in order to prevent it opening until it had sunk ... discontinued. In addition other ideas were considered and reviewed. These included reducing the size of the ... mitigation methods in an attempt to reduce seabird mortality caused by entanglement with the net and to ... beneath the sea surface, and thereby reduce the chance of seabirds becoming entangled, while attempting to ...
Meeting Document : WG-FSA-05/59 : Autor(es): J.O. Roe (United Kingdom)
-
Climate variability in the western Antarctic peninsula region
Abstract: The climate of tile Western Antarctic Peninsula (WAP) region is distinguished by large ... seasonal and interannual variability and by the occurrence of seasonal sea ice which changes the ocean ... records for several peninsula stations have been examined, and the annual progression of surface air ... the Antarctic with mid-winter temperature increases of 3° to 5°C over the past half-century. Increased ...
Meeting Document : WG-EMM-95/61 : Autor(es): Stammerjohn, S.E., Baker, K.S., Smith, R.C.
-
Hydrographic conditions in the Elephant Island plateau region during December 1996
-operative analysis of data sampled throughout the years in the Elephant Island Plateau Region. With the new ... ) Islands and the Antarctic Peninsula Region. A data set sampled during December 1996 in the Elephant Island ... collected by German research vessels in this region. By means of a new interactive software water mass ... boundaries are outlined which reveal the approximate location of the Weddell-Scotia Confluence. Vertical ...
Meeting Document : WG-EMM-97/06 : Autor(es): Stein, M.
-
Revised growth and length-weight parameters for Antarctic toothfish in the Ross Sea region (881 & 882AB)
fishing operations in the Ross Sea region. Estimates of growth and length-weight were similar to those ... conclusions were very similar and either of the updated relationships may be adequate parameterisations in the ... Ross Sea region stock assessment model. Investigation of residual patterns in the fits to the ... estimates of the von Bertalanffy growth curves, estimates of mean length at age using maximum likelihood ...
Meeting Document : WG-FSA-2019/11 : Autor(es): A. Dunn and S. Parker
-
Updated progress report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14
recaptured. Even though almost 50% of the recaptures are within season the progress in the northern section ... data to undertake tag-based assessment of the Dissostichus resource in the north of Subarea 48.6. We ... express concern over the rise of IUU activity in Subarea 48.6 and the possible negative consequences for ... as outlined in CM 41-04 (2012 & 2013) during the 2012/13 fishing season. Progress achieved during ...
Meeting Document : WG-FSA-14/67 : Autor(es): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)