Search results
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Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies
during the first two years of life were found to be 30 to 36 mm per year (Zaselskiy et al.,1985). Growth ... = 20.35 [i -eo.zs (t+O.t4>]. Mean natural mortality of 1.14 was calculated from one year's data ... an adequate supply of food both for young and adult fish throughout the year, together with specific features ... was calculated from one year's data on 2- to 4-year-old fish which comprised the bulk of catches (Konstantinova ... Abstract / Description: Since 1963, Soviet research on Antarctic mesopelagic fish has been carried out as ... a part of the general multi-disciplinary program of research on Antarctic biological resources ... . Studies concentrate primarily on the following four most abundant species: Electrona carlsbergi, Electrona ... data are available on their feeding, reproduction and age/length composition. The paper summarizes ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Author(s): Sabourenkov, E.N.
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Decadal trends in the South Georgia demersal fish assemblage
were seen across survey years. Species counts were highly variable across the shelf region and appeared ... . There was no detectable change in species composition across the region over three decades. Eight species from two ... families, the Notoheniidae and the Channichthyidae dominated the survey biomass in all years accounting ... seen across survey years. Species counts were highly variable across the shelf region and appeared ...
Meeting Document : WG-FSA-13/26 : Author(s): M. Belchier (United Kingdom)
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Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic
) was investigated in two offshore regions in the southwestern Atlantic: on the Argentinian continental shelf/slope ... between 46°-55°S and 60°-64°W, and around South Georgia between 53°-55°30' and 3°-45°W. The South ... Georgia area was divided into two zones: the shelf zone and deep-water zone. On the Argentinian ... continental shelf/slope, the length of D. eleginoides ranged from 30 to 95 cm total length (TL) which ... ~one6anacb B jJllana3OHe 30-95 CM, YTO COOTBeTCTBYeT CTanHH MOJ'IOAH. B o ~ p y r K ) X H O ~ re0preA ... ' 42'23' 36'30' 45'00' 60'54' 62"15' 60'18' 64'20' 60'19' 62'39' Study Area/Vessel South Georgia ... 42.9 30.5 75.0 1.9 1.9 86.5 100.0 76.2 69.5 100.0 0.8 0.8 20.1 23.8 17.1 25.0 2.9 2.9 22.7 ... 1.64 96.30 1.41 0.17 22.54 98.40 3.50 18.31 98.26 3.20 Males 90.2 1671 6.3 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Author(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa
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HEARD ISLAND AND MCDONALD ISLANDS EXCLUSIVE ECONOMIC ZONE 2009/10 IUU CATCH ESTIMATE FOR PATAGONIAN TOOTHFISH
on the Conservation of Antarctic Marine Living Resources (CCAMLR) area during the 2009-10 fishing season. Two vessels ... in the period 1 December 2009 to 30 November 2010 in the HIMI EEZ portion of Statistical Area 58.5.2 is 0 – 96 ... Living Resources (CCAMLR) area during the 2009-10 fishing season. Two vessels observed are included ... for this possibility. The estimated IUU catch of Patagonian toothfish in the period 1 December 2009 to 30 November ...
Meeting Document : CCAMLR-XXIX/BG/29 : Author(s): Delegation of Australia
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Hobart hosts world’s experts on Antarctic marine conservation
for chairing the Commission meeting changes every two years. This year, for the first time, the Commission ... of many years’ standing, and long-term delegate to CCAMLR. One of his first tasks as Chair was to accept ... and the European Union). The Member responsible for chairing the Commission meeting changes every two years ... area in the Ross Sea, this year’s CCAMLR meetings will: finalise/adopt the Research and Monitoring Plan ...
Page : Site Section: The Organisation
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Beyond MSY: a consideration of definitions of management objectives
in Article II of the CCAMLR Convention. The criteria will depend on whether the main concern ... out in Article II of the CCAMLR Convention. The criteria will depend on whether the main concern ... thought of in two parts. For the first few months or years of life, as eggs, larvae or juveniles ... be sustained is one corresponding to full exploitation of the weaker year-classes - but a much less than full ... when strong year-classes are being replaced by weak ones. Conversely, the stock may increase when ... two parts, determining (usually from catch records) the size of this year's stock, and how much ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Author(s): Gulland, J.A.
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An assessment of longlining operations for Dissostichus eleginoides on board the Chilean-registered longliner BF Cisne Verde during March–May 1997 around South Georgia (Subarea 48.3)
of effort at two observation stations into one daily sampling schedule. Data for total length, maturity ... was further developed to integrate different, and varying, levels of effort at two observation stations ... into one daily sampling schedule. Data for total length, maturity and sex were taken. Mean total length ...
Meeting Document : WG-FSA-97/41 : Author(s): Ashford, J.R., Everson, I.
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Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea
that considerable refi nement of these estimates is possible. Qualitative conclusions are that: under the fi rst two ... in some of its traditional fishing grounds during years of low krill availability. Under all five options ... . Qualitative conclusions are that: under the fi rst two options a substantial portion (>65%) of the catch ... years of low krill availability. Under all five options there would be little effect on the existing ... SSMUs and the two Bransfi eld Strait SSMUs could vary from year to year depending on the value ... -pelagic SSMUs during at least one- third of the years. This would not, however, affect the allocation ... are that: under the fi rst two options a substantial portion (>65%) of the catch limit would be allocated ... monitoring, the fi shery would be restricted in some of its traditional fi shing grounds during years of low ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Author(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins
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Chapter 4: Science
. (paragraphs 30 to 32) Scientific Committee (2018) SC-CAMLR-XXXVII, paragraph 13.16 ... marine living resources, and the interactions of fisheries with them. (paragraphs 30 to 32) Scientific ... Committee (2018) SC-CAMLR-XXXVII, paragraph 13.16. Generic recommendation needs to the reviewed in context ... of more specific questions. In the case of krill: 2018 ICED workshop (SC-CAMLR-XXXVII, paragraphs 9.5 ...
Page : Site Section: The Organisation
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Fishery Report: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2
) was below 20% of B0 in any one year, for each year over a 35-year projected period. TOT 88.1, 88.2 ... 2 882E 361 350 58 30 50 0 20 11 * Note: Includes skates landed, and excludes skates cut-off at surface ... to start the cycle again. Spawning fish may remain in the northern area for up to two or three years ... is referred to as a Bayesian posterior distribution. TOT 88.1, 88.2 20 Penalties 54. Two types ...
Document : Site Section: Publications