WG-KRILL-90/01 Rev. 1
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Agenda
CCAMLR Secretariat
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WG-KRILL-90/02
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List of participants
CCAMLR Secretariat
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WG-KRILL-90/03
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List of documents
CCAMLR Secretariat
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WG-KRILL-90/04
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On investigation of annual fluctuation of Euphausia superba larvae
Fedotov, A.S. and L.L. Menshenina
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WG-KRILL-90/05
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Size composition in Euphausia superba’s males and females in the course of life cycle
Makarov, R.R.
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WG-KRILL-90/06
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A standardised sampling procedure for commercial krill catches
Nicol, S.
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WG-KRILL-90/07
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United States AMLR Program 1989/90 field season report
Delegation of the USA
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WG-KRILL-90/08
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Fine-scale catches of krill in Subarea 48.1
CCAMLR Secretariat
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WG-KRILL-90/09
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Fine-scale catches of krill in Subarea 48.2
CCAMLR Secretariat
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WG-KRILL-90/10
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Fine-scale catches of krill in Subarea 48.3
CCAMLR Secretariat
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WG-KRILL-90/11 Rev. 1
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Homogeneity of body length composition of Antarctic krill within the commercial haul
Ichii, T.
Резюме:
The homogeneity of krill length composition in commercial trawl catches (hauls) was investigated by comparing length compositions from different parts of the same haul. There was no significant difference (P>0.05) in 53 out of 60 hauls. Therefore it is concluded that sampling from one part of the haul provides a reasonable estimate of length composition in the entire haul as a whole. In Read More
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WG-KRILL-90/13
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An evaluation of reduced target strength estimates reported for krill (Euphausia superba)
Macaulay, M.C.
Резюме:
Everson et. al. (1988), Foote et. al. (1990), and Everson et. al. (1990) are all based on the same experiment and report new calculations of the target strength of krill (Euphausia superba) that propose questioning previous measurements of krill target strength and estimates of abundance derived from them. Their results can be shown to have significant weaknesses in both data used and Read More
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WG-KRILL-90/14
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Factors to consider in developing management measures for krill
de la Mare, W.K.
Резюме:
A brief review of the objectives of the Convention for the Conservation of Antarctic Marine Living Resources is given along with an outline of for the evolution of management procedures for krill fisheries. Various possible elements of procedures such as reactive, predictive, and feedback management, modelling, indicator species, pulse fishing, and the use of open and closed areas and seasons Read More
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WG-KRILL-90/15
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Comments on the calculation of the composite index of krill abundance
Spiridonov, V.A.
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WG-KRILL-90/16
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The distribution pattern and fishery for the Antarctic krill (Euphausia superba) off the Wilkes Land and Balleny Islands (with notes on the application of CPUE data as indices of krill abundance)
Dolzhenkov, V.N., E.A. Kovalev, V.A. Spiridonov, V.P. Timonin and I.A. Zhigalov
Резюме:
Hydrological conditions, the distributiion pattern of krill and characteristics of the Soviet krill fishery off the Wilkes Land and Balleny Islands in 1988 and 1989 are described. The variability of some CPUE indeces (TC/TH/PPST; TC/TFISHT; TC/TFISHT/PPST) is analysed on the basis of data obtained aboard the Soviet trawler “Kapitan Oleinichuck".
The waters off the Terre d'Adelie (130° - Read More
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WG-KRILL-90/17
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Conditions of krill resources in the Statistic Regions 58.4.2 and 58.4.3 in 1988-1990 from the acoustic survey data
Bibik, V.A. and V.N. Yakovlev
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WG-KRILL-90/18
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The character of distribution and state of the resources of Euphausia superba Dana in the area of the Wilkes Land (Data for seasons 1985/86-1988/89)
Dolzhenkov, V.N. and V.P. Timonin
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WG-KRILL-90/19
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The distribution, biomass and characteristics of the fishery for Euphausia superba off the South Georgia Island (Subarea 48.3)
Latogursky, V.I., R.R. Makarov and L.G. Maklygin
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WG-KRILL-90/20
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Characteristics of distribution of krill aggregations in fishing grounds off Coronation Island in 1989-1990 season
Kasatkina, S.M. and V.I. Latogursky
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WG-KRILL-90/21
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Krill biomass assessment in Statistical Area 48 in autumn 1989-90 from the TSM AtlantNIRO data
Fedotov, A.C.
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WG-KRILL-90/22
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Midwater trawl catchability on krill exploitation and possible approaches to krill total exemption assessment
Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov
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WG-KRILL-90/23
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Summary results of krill integrated studies in Statistical Area 48 carried out in research cruises of RV Argus and RV Evrika in 1984-1988 (available in Russian only)
Sushin, V.A., L.G. Maklygin and S.M. Kasatkina
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WG-KRILL-90/24
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Preliminary results of research cruise of RV AtlantNIRO to the west of the Atlantic Ocean sector of the Antarctic in March-April 1990 (available in Russian only)
Fedulov, P.P., V.N. Shnar, A.C. Fedotov and I.V. Krasovsky
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WG-KRILL-90/25
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Report of the scientific observer aboard fishing vessel BMRT Sapfir (available in Russian only)
Latogursky, V.I.
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WG-KRILL-90/26
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How many krill should we measure?
Endo, Y.
Резюме:
We have no standard as to how many krill we should measure to obtain reliable estimates on its body length distribution. Krill samples collected from layers in the northern waters of Livingston Island were used in this study to get fundamental information on this problem. Based on the measurements of 2000 animals per sample, comparisons were made in mean body length and cumulative frequency Read More
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WG-KRILL-90/27
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On the intensity of sampling krill trawl catches
Miller, D.G.M.
Резюме:
This paper uses actual krill length frequency data in an attempt to address the problem of determining adequate sample size to obtain representative krill length frequency distributions from commercial catches. In addition, the possible effect of two other factors (within-trawl variability and sample decomposition) which may influence length frequency data quality are also considered. The Read More
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WG-KRILL-90/28
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Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 and 120 kHz
Hampton, I.
Резюме:
Differences in the target strength of adult Antarctic krill (Euphausia Superba) at 38 and 120 kHz have been inferred from differences in the mean back-scattering strength of swarms simultaneously insonified at these two frequencies in studies off the South Orkneys and Elephant Island in March 1990. Krill in these areas varied in total length between 36 and 60mm. Backscattering strengths at 120 Read More
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WG-KRILL-90/29
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Acoustically estimating krill abundance in the Southern Ocean
Greene, C.H., S. McClatchie, P.H. Wiebe and T.K. Stanton
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WG-KRILL-90/30
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Discussion of satellite imagery applied to CAMLR regions
Dennis, R.E.
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