Search results
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On reproduction of Electrona carlsbergi Tåning
Abstract: A subject of the present study is Electrona carlsbergi from the Atlantic sector of the ... Southern Ocean. Results from histological examination of gonads are presented. From materials available it ... has been ascertained that Electrona carlsbergi breeds in the notal zone. The ripening of females ... begins at body length of 76-78 mm. Vitellogenesis is asynchronous. Vitelline eggs have a diameter from ...
Meeting Document : WG-FSA-90/20 : Author(s): G.P. Mazhirina (USSR)
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Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part I: General data characterisation and analysis
Abstract: This paper presents an analysis of data gained from a nine-year tagging programme of ... information gained about biology, growth and movement of Patagonian toothfish, and explains the overlap of ... tagging length distributions with those of the landed catch and survey data. The characterisation of tag ... ) Title: Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part I: General data ...
Meeting Document : WG-SAM-14/35 : Author(s): M. Soeffker, C. Darby and R.D. Scott (United Kingdom)
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Indices of body condition and body composition in female Antarctic fur seals (Arctocephalus gazella)
Abstract: An attempt was made to develop simple, inexpensive, rapid means of determining body ... composition in Antarctic fur seals (Arctocephalus gazella). Measurements of total body water (TBW) and total ... body lipid (TBL), obtained by hydrogen isotope dilution, were compared to the results of bioelectrical ... impedance analysis (BIA) and morphometric indices of body condition in 52 adult females. TBW was weakly ...
Meeting Document : WG-EMM-95/21 : Author(s): Arnould, J.P.Y.
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Preliminary evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3
of the Convention. Management strategies for the krill fishery are currently comprised of an overall ... catch limit and a spatial distribution of this limit. We used KPFM2 to assess the risks of feedback ... management units (SSMUs) every five years based on results of monitoring either (1) the density of krill (g·m ... feedback strategy mitigated risks, beyond those projected to be incurred by the status quo distribution of ...
Meeting Document : SC-CAMLR-XXXVII/BG/12 : Author(s): Delegation of the USA
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Computer program for the calculation and validation of Verhoeff check digits
type of errors in data for analysis are minimised. Accurate recording of the sequence numbers on tags ... at time of release and recapture form an important part of data accuracy. Check digits, as a part of ... the tag sequence number, can assist in the identification of errors in recorded data. A computer ... : Computer program for the calculation and validation of Verhoeff check digits Approval: Approved ...
Meeting Document : WG-FSA-SAM-05/11 : Author(s): A. Dunn (New Zealand)
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CPUES and body length of Antarctic krill during 1993/94 season in the fishing grounds around the South Shetland Islands
. Main fishing grounds were persistently formed in the north of Livingston Island throughout the season ... , and the west of Elephant Island from April to May. CPUEs showed the highest values at the height of ... summer (early February- early March) in the north of Livingston Island, and April at the west of Elephant ... Island. Krill with a modal length of 41-45mm were dominant in catches, almost same as the previous season ...
Meeting Document : WG-EMM-95/51 : Author(s): Kawaguchi, S., Ichii, T., Naganobu, M.
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Species identification illustrated guide of the Southern Ocean - CCAMLR convention area 48, 58, and 88
Abstract: The purpose of this species identification illustrated guide is to facilitate by-catch ... species identification with real photographs in the Southern ocean. All of the photographs provided in ... superba) and longliner (Target species: Dissostichus spp.) of commercial fishery purposes in the Southern ... ocean. The author welcome notification of any errors or possible improvement to this publication ...
Meeting Document : WG-EMM-15/06 : Author(s): Delegation of the Republic of Korea
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Counts of surface-nesting seabirds breeding at Prince Edward Island, summer 2001/02
Abstract: The first midsummer survey of surface-nesting seabirds at Prince Edward Island was ... concerns about the impacts of longline fishing mortality on various albatrosses and giant petrels, there ... was no evidence that populations of these species had decreased. Indeed, the estimate of wandering ... Marion Island as supporting the largest single-island populations of this species. Species that underwent ...
Meeting Document : WG-EMM-03/9 : Author(s): P.G. Ryan, J. Cooper, B.M. Dyer, L.G. Underhill,R.J.M. Crawford and M.N Bester (South Africa)
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Effects of sea-ice extent and krill or salp dominance on the Antarctic food web
important during spring and summer through the formation of extensive and dense blooms. Although salps are ... reproduction and survival of krill larvae. Here we provide data from 1995 and 1996 that support hypothesized ... proportion of net primary production, and found correlations between herbivore densities and integrated ... chlorophyll-a that indicate that there is a degree of competition between krill and salps. Our analysis of the ...
Meeting Document : WG-EMM-97/73 : Author(s): Hewitt, R., Trivelpiece, S., Fraser, W., Holm-Hansen, O., Siegel, V., Trivelpiece, W., Loeb, V.
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Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands in February 1997
Niitaka Maru were made from 1 to 23 February, 1997 to the north of the South Shetland Islands. Among 80 ... hauls examined, a total of 61 specimens belonging to 4 families and 7 species, Electrona antarctica (50 ... hauls. Except for one channichthyid juvenile of Neopagetopsis ionah, by-catch fishes were referred to ... , Electrona antarctica of the Myctophidae was the most abundant. This species was found in 12 hauls, and its ...
Meeting Document : WG-EMM-97/72 : Author(s): Iwami, T., Ichii, T., Naganobu, M., Kawaguchi, S.