Search results
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Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island
Institute of Far Seas Fisheries, Orido 5-7-1, Shimizu, Shizuoka, 424 Japan 2 National Marine Mammal ... Laboratory, National Marine Fisheries Service, 7600 Sand Point Way NE, Seattle, Wa. 98115, USA 273 ... the surface throughout the day. With regard to body size and maturity of krill in the inshore foraging ... dominant with occasional occurrences of juveniles (modal length 21 mm). In contrast, in the offshore ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 273–285 : Author(s): Ichii, T., H. Ishii, J.L. Bengtson, P. Boveng, J.K. Jansen and M. Naganobu
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Champsocephalus gunnari stock status in the South Georgia area
and TAC for C. gunnari. Stock estimates were obtained using VPA with the following variations: mean F ... prediction the stock size value was obtained by VPA with variations using F regression methods. The ... were obtained using VPA with the following variations: mean F, Gamma methods, Pope and Shepherd method ... obtained by VPA with variations using F regression methods. The recruitment was taken at the lowest ... if FO.1 = 0.439. * All stock status and TAC predictions were made with the assumption that ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Author(s): Borodin, R. and P. Kochkin
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL
weighting were investigated using haul-level estimated effective sample sizes with, additionally ... data. A key uncertainty is the number of ages fully selected by the main survey series. With all the ... weighting were investigated using haul-level estimated effective sample sizes with, additionally ... tag data. A key uncertainty is the number of ages fully selected by the main survey series. With all ... ). Assessments of fish stocks using all avail- able data are becoming common-place with the advent of maximum ... projections across uncertainty in parameter values uses sample sets of parameters that are consistent with ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Author(s): Candy, S.G and A.J. Constable
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Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
for the Development of Approaches to Conservation of Antarctic Marine Living Resources, and the pertinent sections ... , H. and W. ZUCCHINI. 1986. Model Selection. New York: John Wiley & Sons. pp. 301. MILLER, D.G.M. 1989a ... year period, with a reference CPUE level (CPUE ref) calculated as the average CPUE over that time ... tonnes; c r =15%) and (C c =2 million tonnes; c r =10%). Suggestions for proceeding with further ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Author(s): Butterworth, D.S.
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Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia
of the Commission for the Conservation of Antarctic Marine Living Resources. FAO, Rome. Gon, 0. and P.C. Heemstra ... Edition. Freeman, New York. Shust, K.V., P.S. Gasiukov, R.S. Dorovkikh and B.A. Kenzhin. 1990 ... effective with regard to time and cost. Values of fish growth parameters using the generalised von ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Author(s): Cassia, M.C
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Distribution, biomass and characteristics of the Euphausia superba fishery around South Georgia (Subarea 48.3)
was found that the distribution of krill swarms corresponds largely with areas where currents turn ... differences in krill biomass are undoubtedly associated with the volume of krill brought here by waters of the ... found that the distribution of krill swarms corresponds largely with areas where currents turn into ... circulation. Annual differences in krill biomass are undoubtedly associated with the volume of krill brought ... in relation to environmental conditions. Together with biomass assessments this has paved the way ... ) before continuing to flow with the currents in an easterly direction (Everson, 1976; Maslennikov and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 123–147 : Author(s): Latogursky, V.I., R.R. Makarov and L.G. Maklygin
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A simulation study of krill fishing by an individual Japanese trawler
is compared with (and partially tuned to) statistics for a sample of data from the commercial fishery ... that scientific surveys be planned to operate in small areas concurrently with fishing vessels. File ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Author(s): Butterworth, D.S.
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Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)
ELEGINOIDES) G. Parkes Marine Resources Assessment Group 8 Prince's Gardens, South Kensington London SW7 ... Casilla 567, Valdivia, Chile G. Pilling Marine Resources Assessment Group 8 Prince's Gardens, South ... with cumulative catch. This may be a result of fishermen moving into a new local area, where they spend some ... au large de Valdivia en 1991 (canyon sous-marin Chaihuin). Jeu de donnees B. Tableau 9: P@cherie ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Author(s): Parkes, G., C.A. Moreno, G. Pilling and Z. Young
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Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector
SECTOR S.J. Lockhart and C.D. Jones US Antarctic Marine Living Resources Program NOAA Southwest ... Marine Living Resources (US AMLR) Program’s demersal research cruises. Sampling for the South Shetland ... and J.A. Crame. 2007. How well do we know the Antarctic marine fauna? A preliminary study ... and Distributions, 13 (5): 620–632. Cressie, N. 1991. Statistics for Spatial Data. John Wiley and Sons, New York ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Author(s): Lockhart, S.J. and C.D. Jones
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An index of per capita recruitment
largest with high values of R 1; increasing M tends to offset this effect but only slightly. A simple ... the functional relationship between spawners and recruits. PCR is biased low with age-specific decline ... are skewed toward higher values such that the dynamic range of PCR is largest with high values of R1 ... spawners and recruits. PCR is biased low with age-specific decline in mortality and reduction in the ... with one year of mortality removed: In addition to compounding the results of two PCRy_l ... capita recruitment (PCR). Such a measure could be obtained with surveys in successive years provided ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Author(s): Hewitt, R