Résultats de la recherche
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Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies
, Krefftichthys (Protomyctophum) anderssoni and Gymnoscopelus nicholsi. A complete list of publications is ... at the beginning of spring (August/September). From November to May gonads of E. carlsbergi were ... magazine), 26(5): 820-826. (In Russian). EFREMENKO, V.N. 1987a. Types of reproduction areas of the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Auteur(s): Sabourenkov, E.N.
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Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
(Pygoscelis adeliae) was studied at Edmonson Point, Victoria Land, during the 1999, 2001 and 2003 breeding ... females were significantly longer than in 1999 and 2001, which in turn delayed the mean departure date of ... delayed compared to dates recorded in 1999 and 2001. The average weight of adults rearing chicks was lower ... Point, Victoria Land, during the 1999, 2001 and 2003 breeding seasons. Weather and sea-ice regimes ... than in 1999 and 2001, which in turn delayed the mean departure date of males on the second incubation ... recorded in 1999 and 2001. The average weight of adults rearing chicks was lower in 2003. It is suggested ... pointe Edmonson, en Terre Victoria, pendant les saisons de reproduction de 1999, 2001 et 2003. Les ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Auteur(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi
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Commercial krill fisheries in the Antarctic, 1973 to 1988
(April to August). Trends in the fishery with respect to independent estimates of krill abundance and ... 48.3 where fishing is predominantly confined to the winter months (April to August). Trends in the ... between April and August (Le. in late autumn through winter) with peak catches in June. This observed ... . Scales of interaction between Antarctic krill and the environment. In: SAHRHAGE, D. (Ed.). Antarctic ... that a first step in determining the effects of possible interactions between krill and other species ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Auteur(s): Miller, D.G.M.
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Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000
influencing krill distribution, and hence krill/predator interactions. The MaxEnt technique also yields mean ... swarms (Kalikhman, 2001). Halving the integration interval (to 0.25 km here), however, would increase ... . Can. J. Fish. Aquat. Sci., 47: 1282–1291. Kalikhman, I. 2001. Patchy distribution fi elds ... distribution, and hence krill/predator interactions. The MaxEnt technique also yields mean krill densities ... répartition du krill et, de là, les interactions krill/prédateurs. La technique de MaxEnt fournit de plus ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Auteur(s): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins
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A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
040–23 361, 140–9 023 respectively for birds. Despite continuing high levels of FPV coverage from 2001 ... catches for the years 2001/02, 2002/03 and 2003/04. File: 07agnew-kirkwood.pdf ... 2001 to 2004, no further IUU activity has been detected, leading to estimates of zero fi sh and bird ... catches for the years 2001/02, 2002/03 and 2003/04. Résumé Ce document décrit une nouvelle méthode ... respectivement pour les oiseaux. Malgré les niveaux de couverture élevés des navires de surveillance de 2001 à ... poisson et d’oiseaux pour les années 2001/02, 2002/03 et 2003/04. Резюме В данной статье описывается ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Auteur(s): Agnew, D.J. and G.P. Kirkwood
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Quantifying movement behaviour of vessels in the Antarctic krill fishery
interaction by x, a spline term in x, and interac- tions between the factors and the spline term in x ... . Nationality by statistical area (ASD_CODE) showed significant linear interaction with catch level (x) for ... sea- son and the other during the 2001/02–2002/03 sea- sons (Figure 5b). The latter peak in krill ... consistently low over the last decade with a slight peak of ~0.1 in the 2001/02 season. Discussion In this ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Auteur(s): Kawaguchi, S. and S.G. Candy
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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
vulnerable predator populations and maintain CCAMLR' s ecosystem perspective. The list of alternative ... Choosing from the list of alternatives is difficult because the choice involves tradeoffs; none of the ... among subareas or local areas: 240 (1) Amount of information on biological interactions explicitly ... surveys, and (9) Models of predator-prey interactions. This paper is intended to initiate a discussion ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Auteur(s): Watters, G. and R.P. Hewitt
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
CCAMLR Scier~ce, Vol. 8 (2001): 119-132 VARIATIONS IN ... interaction, CCAMLR INTRODUCTION Mackerel icefish (C1zni1ipsocep1~nli~s gtlnnnui) are widespread in ... 40°W and 44"W. The series of data have been grouped by month, beginning in August 1972 and ... Georgia and Shag Rocks; these are indicated by underscore in the list above. Such a difference is not ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Auteur(s): Everson, I. and K.-H. Kock
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Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database
breeding sites, the principal threat to many species is from interaction with fisheries (Robertson and ... , albatrosses and petrels are not only the object of at-sea observation data (e.g. White et al., 2001; Woehler ... areas still represent areas where there is potential interaction with fisheries. Data holders ... CCAMLR open and closed fishing periods that apply to Subarea 48.3 (open 1 May–31 August, closed 1 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Auteur(s): BirdLife International (prepared by C. Small and F. Taylor)
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Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects
. Further, the inclusion of an area stratum by fishing year interaction as an additional random effect in ... the GLMM is investigated. Fitting the stratum-by-year interaction as a fixed effect is problematic ... may be difficult. Fitting the stratum-by-year interaction as a random effect avoids this difficulty ... , and diagnostic methods to evaluate the validity of considering this interaction as random are ... -classifi cation. Further, the inclusion of an area stratum by fi shing year interaction as an additional ... random effect in the GLMM is investigated. Fitting the stratum-by-year interaction as a fi xed effect is ... estimates may be diffi cult. Fitting the stratum-by-year interaction as a random effect avoids this diffi ... culty, and diagnostic methods to evaluate the validity of considering this interaction as random are ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Auteur(s): Candy, S.G