Search results
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Interannual variability of the South Georgia marine ecosystem: biological and physical sources of variation in the abundance of krill
nature of the South Georgia ecosystem means this variability has large scale relevance. Fluctuations ... nature of the South Georgia ecosystem means this variability has large scale relevance. Fluctuations ...
Meeting Document : WS-AREA 48-98/8 : Author(s): E.J. Murphy, J.L. Watkins, K. Reid, P.N. Trathan, I. Everson, J.P. Croxall, J. Priddle, M.A. Brandon, A.S. Brierley (UK) and E. Hofman (USA)
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INDICATIVE ESTIMATES OF BIOMASS AND YIELD OF WHITSON’S GRENADIER (M. WHITSONI) ON THE CONTINENTAL SLOPE OF THE ROSS SEA IN SUBAREAS 88.1 AND 88.2
species caught during both surveys, with mean catch rates in some strata being considerably higher than ... during both surveys, with mean catch rates in some strata being considerably higher than those recorded ...
Meeting Document : WG-FSA-08/32 : Author(s): S.M. Hanchet, D. Fu and A. Dunn (New Zealand)
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Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean
cephalopods seems to be due to the fact that they are rarely caught by fishing gear and the ma.in material ... of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean. In 1965–1977 a ... specimens of that total were identified as Brachioteuthis riisei. In recent years (1978-1984) the collection ... -subtropical, natal and Antarctic types. In view of the absence of squid beaks in the bottom sediments in the ... . It is proposed to concentrate future research on squids in the waters of high bioproductivity south ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Author(s): Lubimova, T.G.
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Size compositions of males and females in the course of the life cycle of Euphausia superba
BbInOJlH5ITb He TOJlbKO H3MepeHHe nOJlOB03peJlblX oc06eH KPHJl5I, HO H onpe~eJleHHe HX nOJlOBOH npHHa~Jle ... Paper Title: Size compositions of males and females in the course of the life cycle of Euphausia ... of Euphausia superba populations by sex and its seasonal variability. In this paper variations in ... size and sex composition of samples from commercial catches are analyzed over the reproductive season ... , using samples from different years. The observed variations were related to stages of krill maturity ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Author(s): Makarov, R.R.
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PROPERTIES OF KRILL DISTRIBUTION IN PELAGIC AND COASTAL SSMUs OF THE SOUTH ORKNEY ISLANDS SUBAREA ACCORDING TO THE DATA OF SCIENTIFIC OBSERVATIONS AND FISHERY
Abstract: In this paper the krill spatial distribution in the in coastal and pelagic SSMUs of the ... long-term observations and fishery in Subarea 48.2. The types of geostrophic current fields and ... DISTRIBUTION IN PELAGIC AND COASTAL SSMUs OF THE SOUTH ORKNEY ISLANDS SUBAREA ACCORDING TO THE DATA OF ... presented based on the CCAMLR 2000 Survey data. It is shown, that despite the high biomass concentrated in ...
Meeting Document : WG-EMM-08/55 : Author(s): S.M. Kasatkina and V.N. Shnar (Russia)
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Results of Phase I and II of the research program for toothfish fishery in Subarea 88.3 during the 2010/11–2011/12 seasons (this is a revision of WG-SAM-12/05)
hypotheses about the ratio of fish in the area and the total stock as well as studying of biological ... calculated by the accepted in SC-CCAMLR-XXX/5 p.2.40 (ii) formula. Value of toothfish`s stock by SSRUs and ... all details of stock assessment methods are described in the present work. Author(s): A.F. Petrov ... 2336 m. Total number of set hooks amounted 171096. In 2011 research fishing covered SSRU B, C and D ...
Meeting Document : WG-FSA-12/13 : Author(s): A.F. Petrov, V.A. Tatarnikov, K.V. Shust and I.I. Gordeev (Russia)
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Declining trend in the abundance of fjord fish of the species Notothenia rossii marmorata and Notothenia gibberifrons observed at two localities of South Shetland Islands
Abstract: A declining trend observed in the abundance of fjord fish of the species Notothenia ... ., Moon Bay, in 1989. The analysis was based on the proportion of catches of the mentioned species in ... . This phenomenon in the area might be explained as a consequence of the depletion of the stocks due to ... relation to Notothenia neglecta, a species with similar ecological habits in the fjords. Comparison with ...
Meeting Document : WG-FSA-90/14 : Author(s): E. Barrera-Oro and E. Marschoff (Argentina)
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On the possibility of practical utilisation of krill target strength TS in situ obtained on the basis of EK-500 measurements
Abstract: Comparative analysis of krill length distribution in the echosurvey area, obtained with ... obtained on the basis of the empiric model by Greene et al. (1991) using estimates of target strength in ... measurement with EK-500 and calculation of TS talc. on the basis of krill length composition in catches ... stipulates significant difference of krill density estimates obtained for the same population. In some cases ...
Meeting Document : WG-EMM-98/19 : Author(s): S.M. Kasatkina (Russia)
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Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)
Macrourus whitsoni and M. caml in the Ross Sea region of the Southern Ocean. Fish were caught by New Zealand ... . whitsoni examined was 65 cm TL and 1.3 kg. The two main morphological characters (number of rays in the ... left pelvic fin; number of rows of teeth in the lower jaw) were very effective at distinguishing ... increase in the proportion of M. whitsoni relative to M. caml caught on baited autolines with increasing ...
Meeting Document : WG-FSA-12/54 Rev. 1 : Author(s): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)
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A GIS tool to assist in the planning and design of sample surveys of the abundance of colonial breeding species
Abstract: A GIS tool to assist in the planning and designing of surveys of colonial breeding ... the example the tool is used to sample a population of Adelie penguins in the Holme Bay region of East ... GIS tool to assist in the planning and design of sample surveys of the abundance of colonial breeding ... species is described. The tool could be applied to any region of Antarctica given available colony map and ...
Meeting Document : WG-EMM-05/25 : Author(s): C. Southwell, R. Dreissen, S. Candy, G. McPherson and J. Clarke (Australia)