Search results
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Acoustic estimates of krill density at South Georgia, 1981 to 1998
from year to year over that time, ranging from ≈ 2 to ≈ 150 g m-2 (fresh mass). The 1982, 1991 ... year to year over that time, ranging from ≈2 to ≈150 g m-2(fresh mass). The 1982, 1991 ... on average in one year out of every six or seven1. Survey timing, however, may influence the perception one ... . 15.87% of measurements from a normal population (i.e. between one year out of six and one year out ... using one or other of these approaches, and values reported for cruises after this time are thus what ... Georgia, 1981 to 1998 question can be considered one of unusually low abundance. From standard sampling ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Author(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson
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An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island
, based on the data collected during the surveys, including growth curves, natural mortality, ages ... collected during the surveys, including growth curves, natural mortality, ages and sizes of maturity ... for the Heard Plateau is 275 mm. The growth curve gives a mean length for fish aged one year less than the age ... 12 039.0 35.8 19.1 137.0 187.0 Age 5 1985 Cohort Density Std Error 4 173.0 12 516.0 80 ... age structures in the same year and appear to have differences in their growth curves ... error of the estimate 2 . The resultant estimates of M are 0.30 (yr.') for age 2 and above and 0.64 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Author(s): de la Mare, W.K., R. Williams and A.J. Constable
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Length-age composition of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Island area
considerably, mean fish length was 76.0- 86.6 cm. Fish of two to 14 years old age groups were most abundant ... considerably, mean fish length was 76.0 - 86.6 cm. Fish of two to 14 years old age groups were most abundant ... in catches, mean age was 8.2- 9.8 years. In the 1991/92 season fishing for the species was concentrated ... was 5.8 years. Mean length of fish taken at 540- 600 m depth was 85.8, mean age was 9.7 years. Results ...
Meeting Document : WG-FSA-92/08 : Author(s): V.G. Prutko and V.N. Chikov (Ukraine)
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The direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with particular emphasis on longline fishing and its impact on albatrosses and petrels – a review
one season. A number of direct effects from fishing activities can be seen on marine life ... for Dissostichus eleginoides spread over most of the Southern Ocean within one season. A number of direct effects ... Abstract: Finfishing started in the Southern Ocean more than 30 years ago at South Georgia ... and Iles Kerguelen. The fishery extended further south for a few years in the second half of the 1970039 ...
Meeting Document : SC-CAMLR-XIX/BG/11 : Author(s): Delegation of Germany
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Conservation Measure Conservation Measure 41-01 (2019)
in the 2019/20 season Species: Dissostichus spp. Limitations: Except for waters adjacent to the Kerguelen ... Period in Force: 2019- 2020 ... /20 season ... in Statistical Subarea 88.1 and SSRUs 882A–B), two electronic time-stamped photographs should be taken, one ... deployment of the trawl net. In longline fisheries, a haul comprises the setting of one or more lines ... have one scientific observer appointed in accordance with the 41-01 CCAMLR Scheme ... of International Scientific Observation and, where possible, one additional scientific observer, on board ...
Conservation Measure : 41-01 (2019)
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Preliminary atlas of Balaenopterid whale distribution in the Southern Ocean based on pelagic catch data
the locations of pelagic catches of Balaenopterid whales by month between 1931/32–1979/80. Two sets of maps were ... of Balaenopterid whales by month between 1931/32–1979/80. Two sets of maps were produced. The first series ... produced. The first series contains 24 maps of catches by species by month, and the second consists of 30 ... , plus three summary maps of fin whales catches for the years 1952/53–1961/62 combined, for each ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 113-193 : Author(s): Mizroch, S.A. et. al
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e-sc-xxxvi-a06.pdf
... -hourly intervals and Cic is the compensated two-hour catch, ∑Ci is the sum of two-hour catches over one ... drafted two data collection methods, one for observations during fishing operations, and one ... encountered when monitoring two different continuous gear types are outlined and discussed. One system ... areas and one vessel withdrew from Area 58. It recalled that records of withdrawn vessels remain ... catch reporting at two-hourly intervals can be improved on continuous fishing system vessels, by: (i ... krill consumption by these species. 3.44 The Working Group considered two papers based on the ... Working Group on Ecosystem Monitoring and Management (Buenos Aires, Argentina, 10 to 14 July 2017 ... of the Working Group on Ecosystem Monitoring and Management (Buenos Aires, Argentina, 10 to 14
application/pdf attached to:WG-EMM-17
Meeting Report : WG-EMM-17
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Review of biological parameters for Ross Sea skates
this may be a considerable underestimate, and true longevity may exceed 20 years. Age at sexual maturity ... be a considerable underestimate, and true longevity may exceed 20 years. Age at sexual maturity for A. georgiana ... or age at maturity estimate is available for B. cf. eatonii. Author(s): M.P. Francis (New Zealand) Title ... or age at maturity estimate is available for B. cf. eatonii. ...
Meeting Document : WG-FSA-06/31 : Author(s): M.P. Francis (New Zealand)
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e-cc-xxxi-a6.pdf
... to the Secretariat. 2.9 Chile advised that the reason for the absence of some information for one of its vessels ... to be using gillnets and one, the Huang He 22, was reported to be using longlines. The Baiyangdian ... was being targeted. Given that there has previously been only one sighting in Subarea 58.6, it may ... the Provisional NCP-IUU Vessel List (CCAMLR-XXXI/17 Rev. 4, Appendix I). One vessel, the refrigerated cargo ... deckhand and two crew members are on board the Sun Star. The other four Korean 134 crew members ... Standing Committee on Implementation and Compliance (SCIC) 122 CONTENTS Page OPENING OF THE ... 123 REPORT OF THE STANDING COMMITTEE ON IMPLEMENTATION AND COMPLIANCE (SCIC) OPENING OF THE ... MEETING 1.1 The meeting of the Standing Committee on Implementation and Compliance (SCIC) was held in
application/pdf attached to:SCIC-12
Meeting Report : SCIC-12
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Target strengths of Antarctic krill (Euphausia superba)
on roughly one out of two days, and hurricane force about once a fortnight. Depending on the wind direction ... attached to a gantry positioned over one of two identical 4 x 4 m square moon-pools on the raft ... and lowering by a winch attached to a gantry positioned over one of two identical 4 x 4 m square moon-pools ... moins elevees que I'on supposait jusqu'a present. Pe3lOMe Cpe~H~~ CH~a o6paTHoro pacceHBaro~ero ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Author(s): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote