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Estimating optimal observer coverage in the Antarctic krill fishery
vessels sampled each season, 20% of total season hauls sampled for krill and an equivalent or higher ... on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... is proposed that an efficient sampling proportion, at least for South Georgia, should be >50% of ... . The South Georgia data suggest that such strategies should be pursued for at least four years before ... , should be >50% of vessels sampled each season, 20% of total season hauls sampled for krill and an ... ). For the larval fish by-catch rate, an aver- age of 95% of observed trawls per vessel were sam- pled in ... 32 Fo ro s 20 02 25 0 90 72 80 28 29 39 11 N iit ak a M ar u 20 ... op O ce an 20 03 37 1 27 1 86 32 77 23 90 21 N iit ak a M ar u 20 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Autor(es): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards
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e-sc-xxi-a4.pdf
... where the fishery obtains relatively reliable catches from one year to the next for a number of years ... .................................................... 203 APPENDIX E: Meeting of the Interim Steering Committee for the CEMP Review ... fishing for krill in 2002/03 (up from two in 2001/02) with an estimated catch of 60 000 tonnes. 2.10 ... information on the strategies of the krill fleets make it desirable for the Working Group to review the
application/pdf attached to:WG-EMM-02
Meeting Report : WG-EMM-02
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e-sc-xvi.pdf
... that it had made an official inquiry to Panama about the catch data for the 1997 split-year but no ... FORECAST BUDGET FOR 1999......................................... 80 ADVICE TO SCOI AND SCAF ... Committee considered an outline of the proposed working budget for 1998. The draft was presented in a ... expressed an interest in fishing for krill, although at present no actual plan had been formulated. 2.6
application/pdf attached to:SC-CAMLR-XVI
Meeting Report : SC-CAMLR-XVI
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Field Identification Guide to Heard Island and McDonald Island Benthic Invertebrates
Description / Abstract: A guide for scientific observers aboard fishing vessels ... allow for the dilution of the solution by the water in the body of the animal. Some phyla are damaged ... Guide to Heard Island and McDonald Islands Benthic Invertebrates A guide for scientifi c observers ... invertebrate diversity in the territory of Heard Island and McDonald Islands (HIMI). In an initiative to ... help further our understanding, invertebrate surveys over the past seven years have now revealed ...
Document : Site Section: Science
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Field Identification Guide to Heard Island and McDonald Islands Benthic Invertebrates
Description / Abstract: A guide for scientific observers on board fishing vessels in that area. ... allow for the dilution of the solution by the water in the body of the animal. Some phyla are damaged ... Guide to Heard Island and McDonald Islands Benthic Invertebrates A guide for scientifi c observers ... invertebrate diversity in the territory of Heard Island and McDonald Islands (HIMI). In an initiative to ... help further our understanding, invertebrate surveys over the past seven years have now revealed ...
Document : Site Section: Publications
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
Increments in year 365 Years to project stock in simulation 2 Reasonable upper bound for annual F 5.0 ... m ) 10 20 30 40 50 1996/971997/981998/99 1999/00 2000/01 2001/022002/032003/042004/052005 ... generated from CMIX analyses for Champsocephalus gunnari in Division 58.5.2. Component 1 (age 1 ... proportion of density-at-age was derived from the CMIX program for ages 1+ to 3+. Modal lengths of the ...
Document : Site Section: Publications
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e-sc-xxvi.pdf
... age data reported to CCAMLR......................... 30 Input for stock assessment ... BUDGET FOR 2008 AND FORECAST BUDGET FOR 2009 ........................... 90 ADVICE TO SCIC AND SCAF ... in other exploratory fisheries. 2.5 WG-SAM’s consideration of an alternative method for ... Scientific Committee endorsed the recommendations by WG-SAM for improving data necessary for an assessment
application/pdf attached to:SC-CAMLR-XXVI
Meeting Report : SC-CAMLR-XXVI
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WG-FSA-05
. Van Heerdon (South Africa) and G. Moreno (Spain) WG-FSA-05/2 List of Participants WG-FSA-05/20 Age ... Ross Sea for the years 1997/98 to 2004/05 A. Dunn and N.L. Phillips (New Zealand) WG-FSA-05/33 A single ... analysis of the Antarctic toothfish (Dissostichus mawsoni) tagging scheme in the Ross Sea for the years ... . Petrov (Russia) WG-FSA-05/73 Reviewing the age structured production model (ASPM) as an alternative ...
Meeting
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WG-SAM-09
HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA S.G ... DEVELOPMENT OF SPATIALLY EXPLICIT AGE-STRUCTURED POPULATION DYNAMICS OPERATING MODELS FOR ANTARCTIC TOOTHFISH ... DATA QUALITY METRICS FOR TAGGING DATA SELECTION D.A.J. Middleton and A. Dunn (New Zealand) WG-SAM-09/20 ... IMPACTS FROM BOTTOM FISHERIES A.J. Constable (Australia) WG-SAM-09/P01 AN IMPACT ASSESSMENT FRAMEWORK FOR ...
Meeting
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Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics
the abundance of toothfish reduces. In order to improve information on the spatial distribution, age ... identified 90% of otoliths to species and could be applied to otoliths removed from toothfish stomachs to ... and age from otolith parameters are also presented. File: Pinkerton et al.pdf ... 80 60 40 20 0 10 20 30 40 50 60 70 Age (years ... 80 60 40 20 30 40 50 60 70 80 90 TL (cm ... 100 0 30 40 50 60 70 80 90 (c) TL (cm) R ou ... of fish age (years). ot o_ w ei gh t ( m m 2 ) 400 300 200 100 0 0 10 20 ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Autor(es): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott