Resultados de la búsqueda

1. AN ASSESSMENT OF ARTIFICIAL BAIT (NORBAIT™) AS A MEANS OF REDUCING THE INCIDENTAL CATCH OF MACROURUS AND OTHER BYCATCH SPECIES IN HIGH LATITUDE TOOTHFISH FISHERIES

   (rattails) and other bycatch species in the toothfish autoline longline fishery. A company vessel carried ... out some initial experimental work in the western Ross Sea (CCAMLR Statistical Subarea 88.1) in 2007 ... Aspiring operating in the waters of South Georgia and the South Sandwich Islands (CCAMLR Statistical ... were set in both Subareas; a total of 137,000 experimental hooks. The evaluation was based on ...

   Meeting Document : WG-FSA-08/52 : Autor(es): J.M. Fenaughty (New Zealand)

2. Factors influencing Antarctic krill distribution in the South Shetlands

   Abstract:  The influences of biological and physical factors in the environment upon krill ... (Euphausia superba) distribution were studies in the area north of South Shetland Islands during 1990/91 ... austral summer. Krill showed a distinct offshore-inshore heterogeneities in abundance and maturity stage ... in mid-summer the abundance was low in the oceanic zone (8.5 g/m2), while higher in the slope frontal ...

   Meeting Document : WG-KRILL-93/38 : Autor(es): T. Ichii, H. Ishii and M. Naganobu (Japan)

3. Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6

   began in 2013 in data-poor fisheries. In the present report, the next three-season (2016-18) research ... plan in Subarea 48.6 was revised using the updated CCAMLR C2 and Observer data. The stock sizes for ... Dissostichus mawsoni in block 48.6_2. However, the estimates using the Petersen estimator were two-three times ... larger than those using the CPUE method in the block 48.6_3 and 48.6_4. Predicted numbers of tag ...

   Meeting Document : WG-FSA-15/16 Rev. 1 : Autor(es): Delegation of Japan

4. Revised research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan

   Abstract:  South Africa and Japan have revised the next season’s (2016/17) research plan in ... in 2016. We have used extracted data provided by CCAMLR Secretariat in this late August for the ... current analysis, but not used the cleaning data provided by them in this early September due to tight ... schedule toward the submission. We investigated the biological features of D. mawsoni in the Subarea and ...

   Meeting Document : WG-FSA-16/32 Rev. 1 : Autor(es): Delegations of Japan and South Africa

5. Has krill fishing the potential to adversely affect recruitment in Antarctic notothenioid fishes?

   Abstract:  A few years after krill (Euphausia superba) fishing had started in 1972/73, it became ... by-catch in fisheries targeting krill. The species composition of fish by-catch in krill fisheries is ... well-known from Polish investigations in the late 1970s and the 1980s and from Japanese, Ukrainian, and ... Russian investigations in the 1990s, 2000s and 2010s. However, only a few investigations in the 1990s and ...

   Meeting Document : WG-FSA-14/66 : Autor(es): K.-H. Kock (Germany) and C.D. Jones (USA)

6. Information on the spawning of Dissostichus mawsoni from Subareas 88.1 and 88.2 in the 2003/04 season

   Dissostichus mawsoni were collected from Sub areas 88.1 and 88.2 in the 2002-2003 season by the New Zealand ... bottom longline vessels Janas, Avro Chieftain and San Aotea II operating in the Exploratory Fishery. The ... first fully mature female fish were found in December, three months earlier than in the previous season ... . The onset of spawning in D. mawsoni is in December and continues until at least June, in both Sub ...

   Meeting Document : WG-FSA-04/34 : Autor(es): G.J. Patchell (New Zealand)

7. What do we know about fish stocks in the Southern Scotia region? A review and prospects for future research

   Abstract:  Work on finfish in the southern Scotia Arc was restricted to taxonomy until the end of ... marbled notothenia, Notothenia rossii, started around the South Orkney Islands (60 – 62° / 43 – 47° W) in ... 1977/78 and close to Elephant Island and the lower South Shetland Islands (60 – 62° S / 54 – 62° W) in ... 1978/79. The fishery was lucrative for a few seasons only, and was closed in 1989/90. Stocks of finfish ...

   Meeting Document : WG-FSA-00/14 : Autor(es): K.-H. Kock (Germany) and C. Jones (USA)

8. Proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea

   Abstract:  The exploratory fishery for Dissostichus spp. has now been operating for 14 years in ... Subarea 88.1 and for nine years in Subarea 88.2. Associated research has led to an assessment of the ... fisheries potential yield, but a source of ongoing uncertainty in the stock assessment concerns recruitment ... dynamics. Although pre-recruit Antarctic toothfish fish are caught in various locations during fishing ...

   Meeting Document : WG-SAM-11/16 : Autor(es): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)

9. Joint Polish/American hydroacoustic survey of Elephant Island in the vicinity of King George Island, 1988

   Abstract:  The hydroacoustic survey found a low krill abundance in most areas covered by last ... years survey. The total biomass in the vicinity of Elephant Island was estimated from 120 kHz data to be ... 260 k tons and that in the Bransfield Strait South of King George Island was 39 k tons for a total of ... 299 k tons in the combined areas. The estimated 200 kHz survey data were higher, giving 715 k tons ...

   Meeting Document : SC-CAMLR-VII/BG/21 : Autor(es): United States of America

10. A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12

    ) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... species caught in the fishery over the period 2003-4 to 2011-12 are also presented. For the Antarctic ... was reported exclusively in the SSRUs 48.6A and 48.6G. Most of the catches were reported by vessels ... %). Unstandardized raw catch and effort data suggested that the median catch per unit of effort in Antarctic ...

    Meeting Document : WG-SAM-12/33 : Autor(es): R. Wiff (Chile), M. Belchier (United Kingdom) and J. Arata (Chile)

Páginas