Search results
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Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)
with the length modes observed. Length densities by age were compared graphically with the overall length density ... observed. Additionally, ages were predicted for each fish based on length, and compared with ages estimated ... . No difference was found between predicted and estimated ages. We conclude that the two dominant modes observed ... observed. Length densities by age were compared graphically with the overall length density observed ... , C. Jones and S. Bobko Center for Quantitative Fisheries Ecology Old Dominion University Technology ... were congruent with the length modes observed. Length densities by age were compared graphically ... with the overall length density observed. Additionally, ages were predicted for each fi sh based on length ... that the two dominant modes observed in the length density represent different age cohorts separated by one ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Author(s): Ashford, J., C. Jones, S. Bobko and I. Everson
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Schedule of Conservation Measures in Force 1990/91
of the Scientific Committee, taking into account any data resulting from fishery surveys around South Georgia ... .................................................................................. 1 Conservation Measure 3/IV Prohibition of directed fishery on Notothenia rossii around South Georgia ... ........................................................ 11 Conservation Measure 22/IX Prohibition of directed fishery on Notothenia gibberifrons ... Measure 23/IX Prohibition of directed fishery on Patagonotothen brevicauda gunthen in Statistical ...
Document : Site Section: Publications
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Krill biomass and distribution in Subarea 48.2 during summer 1996
Abstract: The results of hydroacoustic survey of krill biomass assessment in Subarea 48.2 ... ; are presented. Taking in account close relation of krill and oceanographic structure of waters and currents ... , hydrorological conditions during surveys are also discussed in the paper. Average weighed density of krill ... in the study area amounted to 17 g/sq.m, obtained on the basis of diurnal surveys, and average weighted krill ...
Meeting Document : WG-EMM-97/49 : Author(s): Kasatkina, S.M., Abramov, A.M., Polischuk, M.I., Sushin, V.A.
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Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea
Abstract: Acoustic estimates of the densities of Antarctic krill, Euphausia superba, in areas ... and 1997. Estimated densities of krill at El were most often higher than at SG, although this may simply ... mirrored by those at the other location; for example, 1991 and 1994 were years of very low krill density ... similarities suggests that densities of krill at both locations are directly linked, and may be impacted ...
Meeting Document : WS-AREA 48-98/11 : Author(s): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)
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Distribution and abundance of Antarctic krill in the vicinity of Elephant Island during the 1994 austral summer
Abstract: The distribution and abundance of Antarctic krill (Euphausia superba) were estimated ... n.mile2 immediately north of Elephant Island. During the first survey, the highest densities of krill were ... X 106 t. Five weeks later highest densities of krill were mapped north of Elephant Island and biomass ... of krill were mapped in the shoal waters to the north of Elephant Island; biomasses were estimated to be 87 ...
Meeting Document : WG-Joint-94/09 : Author(s): R.P. Hewitt and D.A. Demer (USA)
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Distribution and size of Antarctic krill (Euphausia superba Dana) in the Polish commercial catches in the Atlantic sector of Antarctica in 1997–1999
in krill size was observed as the season progressed. Author(s): E. Jackowski (Poland) Title: Distribution ... in krill size was observed as the season progressed. ... Abstract: The distribution, density and length composition of krill in commercial concentrations ... be assumed that there are other factors besides illumination which have an impact on the degree of krill ...
Meeting Document : WG-EMM-01/13 : Author(s): E. Jackowski (Poland)
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Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18
vessel will be available, equipped with advanced technology for sampling and observation. The proposed ... research is pertinent to issues raised by the Scientific Committee (SC-CAMLR-XXXV, paragraph 3.3.252-3.265 ... relate to mapping the bathymetry of the fishable area, documenting relative abundance of Patagonian ... Delegation responsibility for releasing documents: Norway ...
Meeting Document : WG-SAM-17/06 : Author(s): Delegation of Norway
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Krill and zooplankton populations monitored during AMLR 2004 surveys (Subarea 48.1) with respect to the long-term Elephant Island area datasets
Resources (AMLR) Program yielded about average concentrations of postlarval krill during January ... composition indicated a very early onset of seasonal spawning activity. Krill demographics during February ... , composition and species abundance relations. This was similar to marked “transition periods” observed in 1994 ... in zooplankton abundance and abundance relations, frequency of krill recruitment success and sea ice development ...
Meeting Document : WG-EMM-04/72 : Author(s): V.J. Loeb (USA)
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Matlab code for calculating krill biomass in a survey area
) to recalculate the catch limit for Antarctic krill in the Scotia Sea based on updated acoustic algorithms ... has revealed inconsistencies and omissions in the documentation, complicating attempts by interested ... , thoroughly documented, and generically applicable code for calculating acoustic biomass estimates for any ... the catch limit for Antarctic krill in the Scotia Sea based on updated acoustic algorithms developed since ...
Meeting Document : SG-ASAM-16/03 : Author(s): A. Cossio, J. Renfree and C. Reiss
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WS-KCPUE-85
on the usefulness of CPUE data from Japanese krill fishery in the Antarctic Y. Shimadzu and T. Ichii (Japan) WS ... -KCPUE-85/05 An updated information of the Japanese krill fishery in the Antarctic Y. Shimadzu (Japan) WS ... -KCPUE-85/06 Some aspects of repeated operation on the same patch in Japanese krill fishery T. Ichii ... krill fishing operations) WS-KCPUE-85/7 Rev. 1 Agenda WS-KCPUE-85/8 Rev. 1 List of documents ...
Meeting