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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
conservatively estimated subarea biomass in up to 20% of years due to high variability in krill biomass indices ... recent years. This suggests that fishing at the trigger level would be equivalent to a long-term ... 1991, is 0.62 million tonnes year –1, equivalent to ~1% of the regional biomass estimated in 2000. Each ... subarea has also had its own catch limit, between 0.093 and 0.279 million tonnes year –1, since 2009 ... catch limits exceed 9.3% of conservatively estimated subarea biomass in up to 20% of years due to high ... biomass (i.e. the total weight of reproductively mature individuals) after 20 years of fishing should ... for 20 years would reduce the krill stock by 2% (SC-CAMLR, 2011). Clearly, any significantly greater ... such as these. Multi- decadal series (30 to 40 years of data) (Henson et al., 2010) or parallel series ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Автор(ы): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins
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Conservation Measure Conservation Measure 70/XII (1993)
II0 y n O B y H IlpOMbIC.JiOBOMy YCMJIRm BXOAkil. B CktrIy B Ce30He 1993/94 l?., HaYHHaEE C 15 ...
Conservation Measure : 70/XII (1993)
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Conservation Measure Conservation Measure 80/XIII (1994)
n p o M b I c n a Dissostichus eleginoides B C T ~ T H C T ~ ~ C K O M no~pa i io~e 48.3 "npom~cno~b~ii ce30~ 1994195 ...
Conservation Measure : 80/XIII (1994)
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Conservation Measure Conservation Measure 87/XIII (1994)
541x1 C H C T ~ M ~ npeAcTasneHua AaHHbix BXOAHT B cmy B ce30~e l994195 r. MEPA no corn ...
Conservation Measure : 87/XIII (1994)
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Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone
selectivity functions. 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 Immature selectivity Age (y ... ) Se le ct iv ity 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 Truncated mature selectivity ... Age (y) 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 Mature selectivity Age (y) 2000 2010 ... Reference year 2000 First year of projection 2001 Years to project stock in simulation 60 y Reference ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Автор(ы): Ziegler, P.E., D.C. Welsford and A.J. Constable
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e-sc-ii.pdf
... (D) other Matters CO-OPERATION WITH OTHER ORGANISATIONS ACCORDING TO ARTICLE XXIII OF THE ... 1 REPORT OF THE SECOND MEETING OF THE SCIENTIFIC COMMITTEE 1. The Scientific Committee met under ... the Chairmanship of Dr D. Sahrhage (Federal Republic of Germany) from 30 August to 8 September 1983 ... Report of the Scientific Committee was raised. It was agreed that this was an informal document which
application/pdf attached to:SC-CAMLR-II
Meeting Report : SC-CAMLR-II
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Scientific Abstracts 2001
from recent years, with 20 entanglements reported over winter and 22 during the summer breeding ... * 1 000 m-3, which is among the highest values for the past 20 years. The high krill abundance and ... explain the 5-year lag as 5 years is the average age of recruitment to the summer breeding population ... , but is consistent with numbers in years prior to 1998/99. A dramatic increase (310%) in the number ...
Document : Site Section: Publications
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Scientific Abstracts 2000
(English). Finfishing in the Southern Ocean began more than 30 years ago at South Georgia and the ... temperature, while in other years (1980, 1981) it was negative. The second year type (1979, 1984, 1987) was ... wearing neck collars of man-made debris. One ad- ditional sighting was of an animal that had been ... seals there had also decreased (by 42%) since 1998/99. Over the past four years, fluctuations in the ...
Document : Site Section: Publications
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e-imaf-99 report.pdf
... . Three alternative splits (80:20, 70:30 and 60:40) were used. 7.62 The seabird by-catch rates used ... Assessments of Risk in CCAMLR Subareas and Divisions 7.75 In previous years concerns were raised relating to ... quality of the logbooks submitted this year has been much improved on previous years. All of the ... . Comparisons between years for the same vessel, using the same gear design and at the same time of year, show
application/pdf attached to:Ad Hoc WG-IMAF-99
Meeting Report : Ad Hoc WG-IMAF-99
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Scientific Abstracts 1994
and WG-CEMP ............................. 20 Working Group on Fish Stock Assessment (WG-FSA ... 0ET, Untied Kingdom), 18 pp. (English, unpublished). SC-CAMLR-XIII/8 WG-CEMP-94/20 Antarctic pack ice ... entangled in net fragments (35%) than in packaging bands (30%), the decrease in the latter mirroring the ... between 30° and 80°E. During the course of this work several tasks were performed, including the analysis ...
Document : Site Section: Publications
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