Search results
-
Proposed methodology for the assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (Division 58.4.3b)
Abstract: In 2006 the CCAMLR scientific committee noted several features of exploratory ... Dissostichus fisheries in the southern Indian Ocean (58.4) which gave cause for concern as to the status of the ... resource in this area, and the lack of a scientific basis for setting catch limits in these areas (SC-CAMLR ... XXV, paragraphs 4.184-4.192). In its management advice for this and other exploratory fisheries, the ...
Meeting Document : WG-SAM-07/8 : Author(s): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
-
The development of spatially and temporally controlled measures of survival and tag-detection for the CCAMLR tagging program
Abstract: A reliable commercial tagging program is critical to the successful assessment and ... management by CCAMLR of a number of toothfish fisheries in Antarctica. The evaluation of the tagging ... programme relies on two key aspects (i) that the tagged fish have a good chance of survival and (ii) that ... the tagged fish are reliably detected when recaptured. Previous attempts to evaluate individual vessel ...
Meeting Document : WG-SAM-12/30 : Author(s): S. Mormede and A. Dunn (New Zealand)
-
Fatty acid and stable isotope analyses to identify diets of Antarctic toothfish caught in February–March 2013 in the southern Ross Sea (88.1.K) and the eastern Antarctic Sea (58.4.1.C)
Abstract: To identify the important prey items for pre-recruit Antarctic toothfish in the SSRUs ... 88.1.K of the southern Ross Sea and 58.4.1.C of the eastern Antarctic Sea, their fatty acid (FA ... from commercial fishing vessel in February-March 2013. Similarities in total FA compositions and the FA ... profiles in muscle tissue of Antarctic toothfish, bycatch specimen (Channichthyidae), and icefish in the ...
Meeting Document : WG-FSA-13/42 : Author(s): I. Yeon, Y.J. Kwon, S.G. Choi, D.W. Lee and C.-K. Kang (Republic of Korea)
-
Continuation in the 2015/16 season of the research plan initiated in 2012/13 for stocks of Dissostichus spp. in Divisions 58.4.1 and 58.4.2
Abstract: At the 2014/15 season the Spanish FV TRONIO had to return to Montevideo due to a ... collision with an ice block which caused a problem in a propeller, so it couldn’t perform the proposed ... research fishing in the 58.4.1 Division. A request to consider how to maximize the likelihood to undertake ... its research commitments was made by the WG-SAM-15. A minimum of 30 days within the 58.4.1 Division is ...
Meeting Document : WG-FSA-15/05 : Author(s): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)
-
Exploratory longline fishing around the Kerguelen Islands (Division 58.5.1). Description of the fishing effort; catchability and target size of Dissostichus eleginoides
Abstract: During the 1990/91 and 1991/92 fishing seasons, two longliners carried out exploratory ... fishing over the western shelf break of the Kerguelen shelf (Division 58.5.1). Scientific monitoring of ... . Bottom longlines are generally used at depths of 400 to 600 m. The mainline (1 to 2 miles long) carries ... about 2 400 to 3 600 straight hooks, which are from 61 to 75 mm in length. The bait used is either ...
Meeting Document : WG-FSA-92/31 Rev. 1 : Author(s): G. Duhamel (France)
-
Distribution, biological characteristics and biomass of mackerel icefish based on the results of the trawling survey carried out at RV Atlantida in February 2000
Abstract: The results of mackerel icefish (Champsocephalus gunnari) trawling survey carried out ... C.gunnari were feeding. In all parts of the Subarea, except the North-Western one, C. gunnari of 22-28 cm in ... length and 2-3 years old predominated. Fish biomass distributed near the bottom estimated with different ... methods amounted to 47-87 thous.t. The estimation also was presented taking into account catchability ...
Meeting Document : WG-FSA-00/51 : Author(s): Zh.A. Frolkina and P.S. Gasiukov (Russia)
-
A revision of yield and catch controls for managing the mackerel icefish (Champsocephalus gunnari) fishery in the vicinity of Heard Island and McDonald Islands
Abstract: A recent 2000 survey of mackerel icefish in the vicinity of Heard Island enabled a ... revised estimate of yield for the coming 2 seasons. While the biomass of icefish appears lower than in ... previous years, it is dominated by a strong age 2 year class. Estimates of yield for the Heard Island ... Plateau population using the short-term assessment are 1150 tonnes for 2000/01 and 1000 tonnes for 2001/02 ...
Meeting Document : WG-FSA-00/41 : Author(s): A. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
-
The utility of satellite remote sensing for identifying the location and size of penguin breeding sites in Antarctica: a review of previous work and specifications of some current satellite sensors
Abstract: Broad-scale survey of the abundance of colonial breeding penguins requires locating all ... , or the great majority, of colonies as the first of several survey stages. Given the remoteness of ... Antarctica and the sub-Antarctic islands, satellites offer obvious potential for such a task in this region ... . Past evaluations of the utility of satellites for the detection of penguin breeding sites are reviewed ...
Meeting Document : WG-EMM-03/51 : Author(s): C. Southwell and L. Meyer (Australia)
-
Preliminary report of outcomes of the 2nd international workshop on the ICED Southern Ocean Sentinel, held in Hobart Australia 7–11 May 2012
Abstract: The 2nd international workshop on the ICED Southern Ocean Sentinel was held at CCAMLR ... Headquarters on 7-11 May 2012 in Hobart, Australia, hosted by the Australian Antarctic Division and the ... the discussion on strategies for measuring change in Southern Ocean marine ecosystems, including ship ... -based and land-based monitoring and integrated studies. The workshop agreed a work plan for ...
Meeting Document : WG-EMM-12/59 : Author(s): A. Constable (Australia)
-
Considerations on the design and evaluation of surveys for estimating recruitment of Patagonian toothfish (Dissostichus eleginoides) with preliminary outcomes for the Heard Island plateau region (Division 58.5.2)
Abstract: Assessments of long-term sustainable yield using the Generalised Yield Model and the ... setting of total allowable catches (TAC) for Patagonian Toothfish, Dissostichus eleginoides, for the Heard ... surveys (RSTS) and from targeted commercial fishing operations via an observer program. The current RSTS ... for a range of levels of confidence. The results indicate that while the current and previous survey ...
Meeting Document : WG-FSA-SAM-04/19 : Author(s): Candy, S., Constable, A.J., Davies, C.R.