Search results
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Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)
(Meganyctiphanes norvegica) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering ... derived with the generic krill shape and scaled to animal length (L). This implies that crustacean target ... of the animal. Collectively, these results provide tools for improving the detection of krill and more accurate ... ) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering measurements made ...
Meeting Document : WG-EMM-04/40 : Author(s): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)
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Near-shore acoustic surveys for Antarctic krill at South Georgia, January 2004
the past 20 years. A low density was perhaps not unexpected in line with recent cyclical patterns ... densities in both regions were low compared to time-series of observations from the past 20 years. A low ... collected in seastate 6 with winds up to 30 knots and swells of approximately 2.5 m at survey speeds of up ... in density but may have been exacerbated by the presence of a large iceberg (40 miles by 30 miles) aground ...
Meeting Document : WG-EMM-04/35 : Author(s): A.S. Brierley, P.N. Trathan, J. Poncet and A. Morton (United Kingdom)
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e-sc-iv-a7.pdf
... . 12. Bearing in mind the intent of Article II of the Convention for the Conservation of Antarctic ... : - Euphausia superba - Pleuragramma antarctic - Early life stages of fish 20. The Minke whale ... (years). 28. For the purposes of monitoring within the Antarctic marine ecosystem, the most ... phenomena would both constitute simultaneous measurements. Areas and Sites 30. The Group considered ... variability, both physical and biological. 12. Bearing in mind the intent of Article II of the Convention ... antarctic - Early life stages of fish 20. The Minke whale as a potential indicator of the effects of ... long-term (years). 28. For the purposes of monitoring within the Antarctic marine ecosystem, the ... long-term phenomena would both constitute simultaneous measurements. Areas and Sites 30. The Group
application/pdf attached to:WG-EM-85Meeting Report : WG-EM-85
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ANALYSIS OF KRILL OBSERVER COVERAGE IN SUBAREA 48.3
one season, and have been present on board for about 30% of the fishing season. They have achieved ... that an efficient sampling proportion, at least for 48.3, should be >50% of vessels sampled each season, 20 ... be pursued for at least 4 years before the Scientific Committee will have sufficient data to determine ... in any one season, and have been present on board for about 30% of the fishing season. They have achieved ...
Meeting Document : WG-EMM-09/25 : Author(s): D.J. Agnew, P. Grove, T. Peatman, R. Burns and C. Edwards (United Kingdom)
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e-sc-xxv-a5.pdf
... , 9 to 20 October 2006) CONTENTS Page OPENING OF THE MEETING ... OF THE WORKING GROUP ON FISH STOCK ASSESSMENT (Hobart, Australia, 9 to 20 October 2006) OPENING OF THE MEETING ... 1.1 The meeting of WG-FSA was held in Hobart, Australia, from 9 to 20 October 2006. The Convener, Dr ... were not considered during the meeting. 2.2 The Working Group reconsidered last year’s decision ... 20 October 2006) CONTENTS Page OPENING OF THE MEETING ... REPORT OF THE WORKING GROUP ON FISH STOCK ASSESSMENT (Hobart, Australia, 9 to 20 October 2006) OPENING ... OF THE MEETING 1.1 The meeting of WG-FSA was held in Hobart, Australia, from 9 to 20 October 2006 ... where the assessments and resulting yield estimates are similar to last year, was also considered (see
application/pdf attached to:WG-FSA-06Meeting Report : WG-FSA-06
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Estimating optimal observer coverage in the Antarctic krill fishery
on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... , 20% of total season hauls sampled for krill and an equivalent or higher sampling proportion ... suggest that such strategies should be pursued for at least four years before the Scientific Committee ... on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... in the Antarctic krill fishery • a target coverage rate of >50% of vessels each year; • a target of >20 ... in g (% ) A ca m ar 20 02 30 7 A cr ux 20 02 35 4 C hi yo ... 46 3 22 4 13 7 61 56 30 41 12 Fe ol en t 20 05 43 1 43 6 32 6 75 ... 78 76 24 18 A tl an ti c N av ig at or 20 05 30 3 54 40 74 29 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Author(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2004 winter and 2004/05 breeding season
by 64% from last year. For the first time since records started in 1990, none of the injuries were ... % compared to last year; the lowest number of entanglements recorded since 1989. As in previous years, most ... ). Of the entanglements where the animal could be sexed, males made up the majority of both seasons. After the high ... , this is after an absence of 3 years from the winter records and 2 years from the summer. These findings ...
Meeting Document : SC-CAMLR-XXIV/BG/16 : Author(s): Delegation of the United Kingdom
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Ukraine proposes to continue a scientific survey of Dissostichus spp. by bottom longline in the eastern part of Subarea 48.1 in a season 2019/20
longline in the eastern part of Subarea 48.1 in a season 2019-2020. Author(s): Delegation of Ukraine Title ... part of Subarea 48.1 in a season 2019/20 Microsoft Word File: sam-2019-28.docx Approval: Approved ... in the eastern part of Subarea 48.1 in a season 2019-2020. ... in the eastern part of Subarea 48.1 in a season 2019/20 ...
Meeting Document : WG-SAM-2019/28 : Author(s): Delegation of Ukraine
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An index of per capita recruitment
recruitment (PCR) is proposed such that where R 1 is the proportion of age-l animals sampled in year ... that: (i) post-recruit mortality does not vary over age or between years; (ii) 100% of age-l animals spawn; (iii ... to recruits per spawner when mortality is constant over all ages and years, and when all age-l animals spawn ... -l animals sampled in year y and M is the post-recruit mortality rate. The intent of the index ... in this time series, first appearing as a large mode at 20 to 30 mm length and in subsequent years ... is the proportion of age-l animals sampled in year y and M is the post-recruit mortality rate. The intent ... or between years; (ii) 100% of age-l animals spawn; (iii) a representative sample of the population ... is constant over all ages and years, and when all age-l animals spawn. These conclusions are insensitive ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Author(s): Hewitt, R
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e-sc-xxviii.pdf
... MEETING OF THE SCIENTIFIC COMMITTEE HOBART, AUSTRALIA 26-30 OCTOBER 2009 North Hobart 7002 Tasmania ... Resources held in Hobart, Australia, from 26 to 30 October 2009. Reports of meetings and intersessional ... ........................................................................ 19 Tagging studies.......................................................................... 20 ... Stock structure........................................................................... 20 Biology ... Living Resources held in Hobart, Australia, from 26 to 30 October 2009. Reports of meetings and
application/pdf attached to:SC-CAMLR-XXVIIIMeeting Report : SC-CAMLR-XXVIII