Search results
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The effect of sample size on the observed length distribution of Antarctic krill
during the 2015/2016 fishing season. The variation of statistical property of krill length distribution ... of krill length distribution, including unimodal, bimodal, left-skewed and right-skewed unimodal ... individuals,the mean and coefficient of variance (CV) of the krill length distribution mightnot be very ... sensitive to the size of the samples. Author(s): Delegation of China Title: The effect of sample size on ...
Meeting Document : SC-CAMLR-XXXVI/21 : Author(s): Delegation of China
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Re-analysis of CPUE in both species of toothfish in 48.6 area
Abstract: The present report re-analyses data regarding CPUE for both species of toothfish in ... northern area of 48.6 (SSRU 48.6A, 48.6G). This report is a re-analysis of the CPUE time series proposed in ... . Here, the length of the line was used as effort unit and also high CPUE values reported by a Korean ... analysis of catch intention was implemented by using multivariate statistical approach of the catch ...
Meeting Document : WG-FSA-13/63 : Author(s): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)
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ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA
Abstract: To investigate spatio-temporal variability of krill body length and number of bycatch ... hierarchical Bayesian model. The model was composed of multistage cluster units (i.e., years, subarea, vessels ... variability of krill population structure and a difficulty in predicting krill population dynamics. Variances ... of krill length and bycatch fish number by sampling stages were calculated by the multistage sampling ...
Meeting Document : WG-EMM-11/39 : Author(s): T. Okuda and M. Kiyota (Japan)
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in the research blocks 58.4.2-1, 58.4.1-2, 58.4.1-3, 58.4.1-4, and 58.4.1-5 for the exploratory longline fishery in 2014/2015 of Korea
Abstract: The stocks of Antarctic toothfish, Dissostichus mawsoni were a relatively economically ... and ecologically important fishery resource in the waters of Antarctic. However, there is not enough ... feeding strategy of D. mawsoni in the research blocks 58.4.2-1, 58.4.1-2, 58.4.1-3, 58.4.1-4, and 58.4.1-5 ... as a part of Korean research plan for the exploratory longline fishery for Dissostichus spp. during ...
Meeting Document : WG-FSA-15/57 : Author(s): Delegation of the Republic of Korea
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Updated assessment of the risks of status quo krill fishing and proposed revisions to Conservation Measure 51-07
Abstract: We used an ecosystem model to assess the risks of 1) the most recent distribution of ... . Our results show that the concentration of fishing effort since 2009 increases the risks that predator ... exacerbated by increased catches in Subarea 48.1. We briefly discuss the implications of our results and ... alternative approaches for spatial management of the krill fishery. Author(s): Delegation of the USA Title ...
Meeting Document : SC-CAMLR-XXXV/BG/36 : Author(s): Delegation of the USA
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Results of 2016 pop-off satellite archival tagging of Antarctic toothfish in the Ross Sea region
southern shelf (SSRUs 88.1M,J,L) and northern seamount (SSRUs 88.1B,C) areas of the Ross Sea region. The ... available types of PSAT tags, and to develop methods to support research and monitoring of the Ross Sea ... region Marine Protected Area. All fish were tagged as part of research longline efforts under CM 24-01 ... after the 2015/16 toothfish fishing season had ended. A total of 10 PSAT tags from two manufacturers ...
Meeting Document : WG-SAM-17/33 : Author(s): C.D. Jones and S.J. Parker
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The principal results of YugNIRO complex studies in the Indian sector of the Antarctic
Abstract: In 1997 it was 30 years from the moment of launching YugNIRO fisheries studies in the ... Antarctic. Two essential points should be emphasized in the ideology and methodology of the studies carried ... out. Firstly, complex monitoring is their basis: in addition to the determination of the commercial ... potential of fish species and krill, study of the Antarctic ecosystem with its non-biological part was given ...
Meeting Document : WG-EMM-98/12 : Author(s): V.I. Bondarenko, V.A. Bibik, V.V. Gerasimchook, E.P. Goubanov, A.V. Romanov and B.G. Trotsenko (Ukraine)
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CPUEs and body length of Antarctic krill within commercial hauls of polish trawler FV Lepus in the fishing ground off South Orkneys in January and February 1991
Abstract: Length composition of krill in diurnal and night hauls of FV Lepus, off S. Orkneys in ... January and February 1991, generally show similar pattern. The proportion of bigger individuals of krill ... than those in January. No larval fish were recorded in krill catches. Only few specimens of Electrona ... antarctica (of length range 53- 103 mm) were found in some night hauls. Author(s): I. Wójcik and R ...
Meeting Document : WG-KRILL-91/37 : Author(s): I. Wójcik and R. Zaporowski (Poland)
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An assessment of the impact of krill fishery on penguins in the South Shetlands
intensity to the shelf and slope of Livingston or Elephant Island. In contrast, the food consumption by ... . Estimated krill biomass varies considerably within the favorite fishing areas due to the movement of krill ... into and out of the area, but high krill biomass (100-1000 x103t) usually existed there. Compared with ... the amount of biomass (100-1000 x10 3t) and the degree of its variability (the order of 100 x10 3t/10 ...
Meeting Document : WG-KRILL-93/07 : Author(s): T. Ichii, M. Naganobu and T. Ogishima (Japan)
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On maturity level of gonads of Antarctic toothfish Dissostichus mawsoni from the southern Ross Sea (Subarea 88.1) in December 2005–February 2006
Abstract: Data on length and gonad-weight distribution, maturity and gonadosomatic index (GSI) of ... Antarctic toothfish Dissostichus mawsoni were collected from Subarea 88.1 on board of the longliner “Yantar ... ” under Russian flag in the 2005/06 season. Our supposition is that the predominant part of Antarctic ... participation in spawning of the current year. Ovaries of the most females weighed less than 2.0 kg; average GSI ...
Meeting Document : WG-FSA-06/9 : Author(s): V.G. Prutko (Ukraine)