Search results
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Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea
compared to lipid profiles of fish and invertebrate species taken as by-catch in the fishery or collected ... feasibility of tracking the main dietary items of Antarctic toothfish by comparing results of biomarker ... composition was determined and compared to lipid profiles of fish and invertebrate species taken as by-catch ... by comparing results of biomarker analysis and conventional diet analysis. Samples were collected ... these reflect those of diets actu- ally assimilated by consumers during their entire feeding history ... -recruit Antarctic toothfish in the southern Ross Sea by determining their lipid composition and com ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Author(s): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang
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An assessment of the impact of krill fishery on penguins in the South Shetlands
the northern shelf of either Livingston or Elephant Island. In contrast, food consumption by penguins ... tonnes/10-20-day period), the present catch rate (≤10 x 10 3 tonnes/1O-day period) is smaller by one or ... Livingston or Elephant Island. In contrast, food consumption by penguins is estimated to be high to the ... catch rate (110 X 103 tonnes/lO-day period) is smaller by one or more orders of magnitude within the ... the potential competition in Subarea 48.1 by considering not only the overlap between the fishery ... , krill catches were calculated for each square of 10 minutes latitude by 20 minutes longitude (=l0 X 10 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Author(s): Ichii, T., M. Naganobu and T. Ogishima
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The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design
International Whaling Commission (IWC) took part. The survey is by far the biggest single exercise ever carried ... out by Members in support of the Convention. Full analysis of the results of the CCAMLR-2000 Survey ... survey is by far the biggest single exercise Trathan et al. ever carried out by Members in support ... may be outweighed by increased complexity in terms of survey design, execution and subsequent ... the distribution is complex (illustrated by a variety of datasets and published papers e.g. Ichii et ... ensured that the survey area was uniformly covered by primary sampling units (transects) for the ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Author(s): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly
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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
ocy~eCTBJlemle, JlH60 Bbl6paTb 6HOJlOrHqeCKH HepeaJlbHYIO aJlbTepHaTHBY H Cpa3Y ~e BHe~pHTb CHCTeMY ... . Alternatives that allocate the 1.5 million tonne limit by evenly dividing the catch among subareas or by using ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Author(s): Watters, G. and R.P. Hewitt
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Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia
reoprHH H Bcero IIo~pal1oHa 48.3. 3Be3~OqKa (*) 0603HaqaeT, qTO no ~aHHoMy ~Hana30Hy r JIy6HH ~aHHbIX ... and deeper than 500 m have been estimated from nautical charts. The results are presented by CCAMLR ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 459–466 : Author(s): Everson, I. and S. Campbell
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An index of per capita recruitment
underestimate recruits per spawner by 30% if reasonable assumptions are made regarding the variability of ... spawner over time was confirmed by introducing cycles in the shape of the functional relationship between ... not appear to introduce additional bias. On average, PCR will underestimate recruits per spawner by ... confirmed by introducing cycles in the shape of the functional relationship between spawners and recruits ... Southern Ocean is sustained by occasional strong year classes, that adult reproductive output and pre ... -recruit survival are affected by physical and biological factors, and that monitoring these factors ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Author(s): Hewitt, R
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Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area
estimates from surveys by the FRG. These data indicate that the stock of N. rossii in 1985 was about 2.5% of ... are assessed using USSR age sample data and recent biomass estimates from surveys by the FRG. These ... known) and the net recruitment rate to the stock in each year implied by the age data. The catch at ... taken to be 100% up to age 8, the modal age class. If recruitment is assumed to be complete by this ... Table lB. The survival rate of the recruited population in each year is given by where s ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Author(s): Cooke, J.G.
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International CCAMLR applied research and monitoring program, Prydz Bay priority area
area Abstract / Description: An outline is given of a proposed scientific research contribution by ... a proposed scientific research contribution by Australia towards the first five years of an ... confirmed by other member countries at the Fourth Meeting of the Scientific Committee of CCAMLR in ... will require a joint operation by several nations having a research capability in that area. It is ... within Prydz Bay will be carried out (by 3m beam trawl) during the summers of 1986/87 and 1987/88 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 283-295 : Author(s): Australia
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Homogeneity of Adélie penguins as krill samplers
penguins to estimate parameters of the prey population without discriminating by sex, weight or other ... parameters of the prey population without discriminating by sex, weight or other factors pertaining to the ... Buenos Aires, Argentina 253 1. INTRODUCTION The size of krill eaten by penguins is probably an ... distributions of krill eaten by penguins will also provide information on the degree of overlap between ... knowledge of the relative volume occupied by the different patches sampled, and the bias introduced will ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 253–257 : Author(s): Marschoff, E. and B. Gonzalez
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Analysis and modelling of the Soviet Southern Ocean krill fleet
fleet. The data base consists of the records of 12 different cruises by 8 different research vessels ... fishing operation. Parameters of the model are motivated by study of the literature and FIBEX results. A ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Author(s): Mangel, M.