Resultados de la búsqueda

1. Preliminary study on reproduction in Champsocephalus gunnari from Subarea 48.3, Dr Eduardo Holmberg survey, February/March 1994

   Abstract:  A preliminary histological analysis on the ovarian development in Champsocephalus ... commonly used. Oocytary resorption processes were observed during ovarian maturation. In some cases the ... ovaries presented few atretic oocytes; in others a generalized regression was found. In the southwest ... portion of the South Georgia shelf, 50 % of the ovaries exhibited a pre-reproductive regression stage ...

   Meeting Document : WG-FSA-94/28 : Autor(es): G.J. Macchi and E.R. Barrera-Oro (Argentina)

2. KRILL DENSITY ESTIMATES IN CCAMLR SUBAREA 48.6 BASED ON ACOUSTIC DATA COLLECTED DURING JANUARY–MARCH 2008

   S in the sparsely studied CCAMLR subarea 48.6. The mean density of Antarctic krill, integrated to ... Abstract:  A multidisciplinary survey was conducted with the RV ‘G.O. Sars’ as part of the ... 270 m depth was 4.42 g/m2. The krill were mainly found in strong aggregations and were patchily ... distributed. The majority of the detected krill was distributed between 40 and 80 m depth, and approximately ...

   Meeting Document : WG-EMM-09/45 : Autor(es): G. Skaret, B.A. Krafft and R. Korneliussen (Norway)

3. Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3

   Abstract:  At WG-EMM in Siena, 2004, the UK reported on the bycatch of fur seals in the krill ... fur seal deaths in the fishery. WG-EMM requested the UK to provide further details of the methods ... gazella) entanglements on krill vessels fishing around South Georgia in the 2004 fishing season. The ... employed for consideration of IMAF. Observers recorded mitigation measures for fur seal (Arctocephalus ...

   Meeting Document : WG-FSA-04/83 : Autor(es): J. Hooper, J.M. Clark, C. Charman and D. Agnew (United Kingdom)

4. Mercury concentrations in Patagonian toothfish, Dissostichus eleginoides Smitt 1898, among three distinct ocean basins

   mackerel, that are considered high in Hg concentration by the U.S. Food and Drug Administration. In ... contrast, those from the Atlantic basin were found to have similar lower values in fish like haddock ... , halibut, cod, albacore tuna, and orange roughy. Explanation of these geographical differences in Hg may be ... lie well within the Antarctic Convergence, suggesting that the Polar Front may provide some type of ...

   Meeting Document : WG-FSA-06/24 : Autor(es): K. Dawson Guynn and M.S. Peterson (USA)

5. Incidental seal entanglements on trawl vessels fishing for krill in CCAMLR Subarea 48.3

   of effective mitigation measures (escape panels in the nets) and lack of experience of crews new to ... Abstract:  Observers on krill vessels fishing around South Georgia in the 2003 fishing season ... clearly important to have observers on krill vessels monitor the effectiveness of mitigation measures as ... recorded fur seal captures by some krill fishing vessels. These captures can be attributed to the absence ...

   Meeting Document : WG-EMM-04/31 : Autor(es): J. Hooper, K. Reid and D. Agnew (United Kingdom)

6. Australia’s observations and actions on IUU activities in 2015/16

   taken as part of its compliance program, and in cooperation with South East Asian countries through the ... Abstract:  The 2015-16 season has seen further significant progress in the fight to combat Illegal ... , Unreported and Unregulated (IUU) fishing in the Southern Ocean. This paper outlines the action Australia has ... cooperation continues to be instrumental in combatting IUU fishing in the CCAMLR Area. Author(s):  Delegation ...

   Meeting Document : CCAMLR-XXXV/BG/20 : Autor(es): Delegation of Australia

7. A proposal for a standardised survey for Antarctic toothfish in McMurdo Sound

   (number of stations sampled per season) needed to detect a moderate change in the abundance index is ... through the annual sea ice in McMurdo Sound to monitor the age composition, diet, maturity, and local ... abundance of Antarctic toothfish. A pilot season was carried out in 2014, where sampling gear and ... integrated with ongoing collaborative research programmes to determine the importance of toothfish to ...

   Meeting Document : WG-FSA-15/33 : Autor(es): S.J. Parker, S.M. Hanchet and S. Mormede (New Zealand)

8. Acoustic survey design to estimate krill biomass in Subareas 48.1, 48.2 and 48.3

   Abstract:  The Scientific Committee has requested advice on the feasibility of conducting a ... synoptic survey of krill biomass in Statistical Area 48. Example calculations are presented for estimating ... the amount of survey effort required to achieve a target level of precision using a stratified random ... 1.25 ship-months of survey effort can provide an estimate of krill biomass in Subareas 48.1, 48. 2 and ...

   Meeting Document : WG-EMM-95/71 : Autor(es): Hewitt, R.P., Watters, G.

9. Catch Uncertainty in Krill Fisheries

   . Quantifying the level of uncertainty in reported catches of krill would require information on product ... well as the product composition of catches. Author(s):  Secretariat Title:  Catch Uncertainty in Krill ... CCAMLR. However, given the currently reported variability in conversion factors for krill, a nominal ... reported catch of 600 000t could actually represent a catch in ‘green weight’ of 2.5 million tonnes ...

   Meeting Document : WG-EMM-08/46 : Autor(es): Secretariat

10. Research data collection in CCAMLR longline fisheries for toothfish using electronic monitoring on fishing vessels

    examples demonstrating the use of EM to collect research data in the CCAMLR managed Ross Sea toothfish ... efficient method of assisting reliable reporting in commercial fisheries. These systems have been ... effective management by increasing the amount and quality of scientific research data that can be supplied ... fishery by New Zealand. Following the success of this work and other trials undertaken by other New ...

    Meeting Document : WG-FSA-2019/13 : Autor(es): J.M. Fenaughty

Páginas