Résultats de la recherche
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The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys
Paper Title: The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical ... Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys Abstract / Description: Since ... of krill resources in the central part of the Indian Ocean sector of the Antarctic (CCAMLR ... Statistical Divisions 58.4.2 and 58.4.3). Results of surveys conducted from 1988 to 1990 are discussed in the ... ). Results of surveys conducted from 1988 to 1990 are discussed in the paper. It was found that the increase ... 1990 are presented in the paper. 2. MATERIALS AND METHODS Data on survey areas, spacing of survey ... WG-KRILL-90/17 THE STATUS OF KRILL (EUPHAUSIA SUPERBA ... DANA) RESOURCES IN CCAMLR STATISTICAL DIVISIONS 58.4.2 AND 58.4.3 FROM 1988 TO 1990. RESULTS OF ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Auteur(s): Bibik, V.A. and V.N. Yakovlev
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Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data
Paper Title: Analysis of variability of krill size and fish by-catch in the Japanese krill ... size of scientific observer data collected on Antarctic krill commercial fishing vessels, the ... Bayesian model. The models were composed of multistage cluster units (i.e. year, subarea, vessel, cruise ... variability in the size structure of the krill population, which is presumably derived from large variability ... In the Antarctic, there is much concern about the impact of climate change on biodiversity, species ... dynamics and spatial distribution of Antarctic krill (Euphausia superba), stock abundance estimates from ... CCAMLR Scientific Committee noted the importance of investigating the potential impact of climate ... change on krill recruitment variability, and agreed that a full review of the influence of recruit- ment ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Auteur(s): Okuda, T. and M. Kiyota
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Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia
Paper Title: Experimental evaluation of the effectiveness of weighting regimes in reducing ... of experiments was carried out in February 1999 at South Georgia (Subarea 48.3) to examine the ... effects of different weighting regimes on the incidental mortality of birds caught on longlines fishing ... for toothfish (Dissostichus spp.). Three regimes were examined, with weights of 4.25, 8.5 and 12.75 kg ... rates for longlines in the Antarctic (SC-CAMLR, 1998). This paper reports the results of such ... results is presented later in the paper (Table 4). No empirical measurements of line sink rates were ... EVALUATION OF THE EFFECTIVENESS OF WEIGHTING REGIMES IN REDUCING SEABIRD BY-CATCH IN THE LONGLINE ... , School of Mines Prince Consort Road London SW7 2BP, United Kingdom A.D. Black Marine Resources ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Auteur(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes
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Beyond MSY: a consideration of definitions of management objectives
Paper Title: Beyond MSY: a consideration of definitions of management objectives Abstract ... management under the assumptions of a simple population model and simple objectives. This paper explores ... / Description: The concept of ‘Maximum Sustainable Yield’ (MSY) has provided a useful guideline for resource ... different guidelines under more realistic population models, taking account of the objectives set out in ... . They point out that, (using the terms of this paper), MNR would probably be better estimated by ... Everson for productive discussions and for comments on drafts of this paper. 1- ~ I!..l r I ... - 299 - WG-CSD-87/12 BEYOND MSY : A CONSIDERATION OF ... DEFINITIONS OF MANAGEMENT OBJECTIVES J .A. Gulland (United Kingdom) Abstract The concept of "Maximum ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Auteur(s): Gulland, J.A.
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Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
Paper Title: Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari ... ) from a trawl survey of the South Georgia shelf in June–July 1985 Abstract / Description: A trawl ... survey of the distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) in South ... juvenile trawl of 13.6 m. The size range of juvenile icefish collected was 82–146 mm. Catches were the ... ABUNDANCE OF JUVENILE ICEFISH (CHAMPSOCEPHALUS GUNNARI) FROM A TRAWL SURVEY OF THE SOUTH GEORGIA SHELF IN ... JUNE-JULY 1985 V.A. Boronin, G.P. Zakharov, V.P. Shopov (U.S.S.R.) Abstract A trawl survey of ... the distribution and relative abundance of juvenile icefish (Chamsocephalus gunnari) in South ... juvenile trawl of 13.6 m. The size range of juvenile icefish collected was 82-146 mm. Catches were the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Auteur(s): Boronin, V.A., G.P. Zakharov and V.P. Shopov
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Genetic variations and population structure of krill from the Prydz Bay region of Antarctic waters
Paper Title: Genetic variations and population structure of krill from the Prydz Bay region of ... are derived from a single interbreeding population. Note: The full text of this paper is published ... Antarctic waters Abstract / Description: Samples of Antarctic krill E. superba from six locations near ... Prydz Bay were analysed electrophoretically to detect genetically-based protein variation. Analyses of ... POPULATION STRUCTURE OF KRILL FROM THE PRYDZ BAY REGION OF ANTARCTIC WATERS C.M. MacDonald, R. Williams ... and M. Adams (Australia) Abstract Samples of Antarctic krill E. superba from six locations near ... Prydz Bay were analysed electrophoretically to detect genetically-based protein variation. Analyses of ... allele distributions at four polymorphic loci indicate no evidence of significant heterogeneity, a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 271-273 : Auteur(s): MacDonald, C.M., R. Williams and M. Adams
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Validation of sink rates of longlines measured using two different methods
Paper Title: Validation of sink rates of longlines measured using two different methods Abstract ... / Description: Sink rates of integrated weight longlines (lines with 50 g.m –1 lead integrated into two strands ... of the ground line – IW-50 lines) were measured during commercial fishing operations using two ... methods: electronic time depth recorders (TDRs) and pieces of string of known length wrapped around empty ... . 11 (2004): 179–187 179 VALIDATION OF SINK RATES OF LONGLINES MEASURED USING TWO DIFFERENT METHODS ... , Australia Email – barbara.wienecke@aad.gov.au Abstract Sink rates of integrated weight longlines (lines ... with 50 g.m–1 lead integrated into two strands of the ground line – IW-50 lines) were measured during ... commercial fi shing operations using two methods: electronic time depth recorders (TDRs) and pieces of ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Auteur(s): Wienecke, B. and G. Robertson
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Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies
Paper Title: Interactions of Patagonian toothfish fisheries with killer and sperm whales in the ... Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible ... Patagonian toothfish (Dissostichus eleginoides) longline fishery is exposed to high levels of depredation by ... % respectively of the 4 289 hauled lines. It was estimated that a total of 571 tonnes (€4.8 million) of ... InteractIons of PatagonIan toothfIsh fIsherIes wIth kIller and sPerm whales In the crozet Islands exclusIve ... economIc zone: an assessment of dePredatIon levels and InsIghts on PossIble mItIgatIon strategIes P ... Patagonian toothfish (Dissostichus eleginoides) longline fishery is exposed to high levels of depredation by ... % respectively of the 4 289 hauled lines. It was estimated that a total of 571 tonnes (€4.8 million) of ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Auteur(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet
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Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory
Paper Title: Moulting interval and growth of juvenile Antarctic krill fed different ... available food concentration. Note: The full text of this paper will be published under the above title in ... concentrations of the diatom Phaenodactylum tricornutum in the laboratory Abstract / Description: Juvenile ... –5.0 mgC 1 –1. Intermoult period (IP) decreased, but an increment of body length per moult (∆BL) of ... . Note : The full text of this paper will be published under the above title in Polar Biology (1987 ... OF JUVENILE ANTARCTIC KRILL FED DIFFERENT CONCENTRATIONS OF THE DIATOM PHAENODACTYLUM TRICORNUTUM IN ... period (IP) decreased, but an increment of body length per moult (6BL) of juvenile krill increased, up ... to a concentration of 1.0 mgC 1-1 • No further effect of food concentrations on IP or 6BL was seen ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Auteur(s): Ikeda, T. and P.G. Thomas
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Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors
Paper Title: Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula ... : towards an improved understanding of off-peak census correction factors Abstract / Description: Penguin ... being conducted at the peak of egg laying. Additionally, the historical literature includes many census ... timed relative to the peak of egg laying, and (ii) how nest numbers change through the breeding cycle ... of cluTch iniTiaTion in Pygoscelis penguins on The anTarcTic peninsula: Towards an improved ... undersTanding of off-peak census correcTion facTors H.J. Lynch1,2, W.F. Fagan1, R. Naveen2, S.G ... . Trivelpiece3 and W.Z. Trivelpiece3 1 Department of Biology, University of Maryland College Park, MD 20742 ... conducted at the peak of egg laying. Additionally, the historical literature includes many census counts ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Auteur(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece