Search results
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Sounds like more krill
Sea was estimated from an international echosounder and net survey (CCAMLR 2000) to be 44.3 million ... in the area from 1.5 to 4 million tons (SC-CAMLR, 2000). These survey results are based on the total echo ... strength (TS). Presented here is a re-analysis of the CCAMLR 2000 data incorporating recent improvements ... an international echosounder and net survey (CCAMLR 2000) to be 44.3 million tons (CV 11.4%). The new biomass ...
Meeting Document : WG-EMM-04/41 : Author(s): D.A. Demer and S.G. Conti (USA)
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CCAMLR protocol for krill biomass estimation
Abstract: The original calculation of B 0 arising from the CCAMLR-2000 survey was undertaken ... at the B 0 workshop held in La Jolla, USA, in May 2000 (SC-CAMLR-XIX, Annex 4, Appendix G). A number of changes ... and Demer, 2005) that led to the re-analysis of the CCAMLR-2000 survey at a workshop held in Cambridge, UK ... The original calculation of B0 arising from the CCAMLR-2000 survey was undertaken at the B0 ...
Meeting Document : SG-ASAM-16/02 : Author(s): S. Fielding, A. Cossio, M. Cox, C. Reiss and G. Skaret
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Biomass results from the International Synoptic Krill Survey in Area 48, 2019
. This survey covered both the strata occupied during the CCAMLR 2000 acoustic survey and the strata ... and procedures used in the CCAMLR 2000 krill acoustic survey. Backscatter from krill were delineated using ... stock estimates. Krill areal density for the CCAMLR 2000 strata was 35.2 gm-2, producing a standing ... covered both the strata occupied during the CCAMLR 2000 acoustic survey and the strata that comprise ...
Meeting Document : SG-ASAM-2019/08 Rev. 1 : Author(s): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman, X. Wang, X. Zhao and M. Cox
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A revised estimate of short-term yield for the mackerel icefish (Champsocephalus gunnari) off Heard Island based on a trawl survey in 1998
in 1999 and 2000. While the abundances of icefish are lower in 1998 than in 1997, the Age 3 and Age ... tonnes for 2000. These figures may need to be re-evaluated in light of known catches in the 1998 season ... in 2000 will be predominantly on Age 5 fish. After this time, catch limits may need to be set ... ) in the vicinity of Heard Island enabled a revised estimate of yield for the coming 2 seasons in 1999 and 2000 ...
Meeting Document : WG-FSA-98/54 : Author(s): A. Constable and D. Williams (Australia)
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A short note on the tagging of skates in Subarea 88.1
. Skates have been tagged in the 1999/00 and 2000/01 seasons. Results from 1999/00 were presented in WG-FSA ... -00/55. This paper provides a brief update on the 2000/01 results and the tagging protocol in use ... tagged in the 1999/00 and 2000/01 seasons. Results from 1999/00 were presented in WG-FSA-00/55 ... . This paper provides a brief update on the 2000/01 results and the tagging protocol in use. ...
Meeting Document : WG-FSA-01/65 : Author(s): N.W.McL. Smith (New Zealand)
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Otolith microstructure of juvenile fish, the first annulus radius and pelagic stage duration of icefish Champsocephalus gunnari (Channichthyidae) in the South Georgia area
represent a mixture of two year-classes of 1999-2000 and 2000-2001. The mean width of the daily growth zone ... that the period of eggs incubation and larvae hatching of the year-class 2000 – 2001 was about 4 months. Author ... a mixture of two year-classes of 1999-2000 and 2000-2001. The mean width of the daily growth zone ... that the period of eggs incubation and larvae hatching of the year-class 2000 – 2001 was about 4 months. ...
Meeting Document : WG-FSA-03/75 Rev. 1 : Author(s): L.V. Shcherbich (Russia)
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Are penguins and seals in competition for Antarctic krill at South Georgia?
and 2000; b) diet data to assess potential changes in their trophic niches between 1989 and 2000. Foraging ... with estimated krill abundance between 1994 and 2000. We found little evidence for direct competition between fur ... and 2000; b) diet data to assess potential changes in their trophic niches between 1989 and 2000. Foraging ... with estimated krill abundance between 1994 and 2000. We found little evidence for direct competition between fur ...
Meeting Document : WG-EMM-01/22 : Author(s): K.E. Barlow, I.L. Boyd, J.P. Croxall, I.J. Staniland, K. Reid and A.S. Brierley (United Kingdom)
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Key considerations for planning a large-scale krill survey
(subarea or less). However, periodic large-scale surveys (comparable to the CCAMLR 2000 synoptic survey ... on research funding suggest that coordinated mobilization of multiple research vessels, as in 2000, is now ... in the future management of the krill fishery. The design of the CCAMLR 2000 survey might be a useful basis ... -scale surveys (comparable to the CCAMLR 2000 synoptic survey) might also play a role in the future ...
Meeting Document : WG-EMM-15/27 : Author(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)
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Revised selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
selectivities for the years 1995 – 2000 for input to the GYM assessment. In this paper, I propose a revised ... by application to data for 1995 – 2000. Author(s): G.P. Kirkwood (United Kingdom) Title: Revised selectivities ... for the years 1995 – 2000 for input to the GYM assessment. In this paper, I propose a revised method ... for 1995 – 2000. ...
Meeting Document : WG-FSA-02/64 : Author(s): G.P. Kirkwood (United Kingdom)
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Manual: estimating the age of Patagonian toothfish (Dissostichus eleginoides) using transverse cross-sections of otoliths
Abstract: At the 2000 Fish Stock Assessment Working Group Meeting (WG-FSA-2000), differences were ... At the 2000 Fish Stock Assessment Working Group Meeting (WG-FSA-2000), differences were noted ...
Meeting Document : WG-FSA-10/15 : Author(s): K. Underkoffler, N. Ramanna and J. Ashford (USA)