Résultats de la recherche
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Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)
Paper Title: Use of the Leslie stock depletion model for the assessment of local abundance of ... used to examine local patterns in catch per unit effort (CPUE) in the longline fisheries for Patagonian ... in localised areas for periods of at least three days. The results suggest that there is greater ... potential for application of the model in some areas than in others, but in general there is no sufficiently ... to fisheries for D. eleginoides off the Pacific coast of Chile. An experimental approach similar to ... the 1993/94 season. This was an attempt to provide suitable data for a series of local estimates of ... for them to be modelled using the linear regression. An alternative explanation which should be ... ) since 1989. Vessels from the former Soviet Union dominated the fishery for the first three years ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Auteur(s): Parkes, G., C.A. Moreno, G. Pilling and Z. Young
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Guidelines for the preparation of hydroacoustic survey reports on krill
requirements for the preparation of reports of echometric surveys. An example is provided of the preparation of ... Paper Title: Guidelines for the preparation of hydroacoustic survey reports on krill Abstract ... / Description: The proposed guidelines provide an opportunity to perform comparative analyses and checks of ... peltca 19/X1 1980 20-29/X1 30/X1 31/X1 1980-10/ 1981 BbIXO,D; H3 CeBaCTOnOJIR. Pas60pKa 3KCne ... - 165 - SC-CAMLR-V/BG/37 GUIDELINES FOR THE ... guidelines provide an opportunity to perform comparative analyses and checks of results obtained during ... of biomass of organisms. The guidelines contain a description of requirements for the preparation ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 165-193 : Auteur(s): Kalikhman, I.L.
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The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery
Paper Title: The foraging range of Adélie penguins – implications for CEMP and interactions with ... -scale krill catch data for the regions of interest. The potential for overlap with krill fishing occurs ... where penguins forage downstream from the fishery. It is suggested that the potential for overlap ... -shaped area with an angle of approximately 30". Whilst fast-ice was still present they walked to the ... this study show that for all sites examined between 50°E and 160°E there is the possibility of an ... has been demonstrated for penguins breeding along the Mawson Coast. Studies at Davis suggest an ... David Agnew and an anonymous reviewer for their constructive criticism. REFERENCES Agnew, D.J. 1992 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Auteur(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
Paper Title: CCAMLR ecosystem monitoring and a feedback management procedure for krill Abstract ... Ecosystem Monitoring Program might be incorporated into a feedback management strategy for this fishery ... discussions (see Nicol, 1991 for review) and resulted in the establishment of a Precautionary Catch Limit of ... principles for fisheries regulation from an ecosystem perspective. In: Selected Scientific Papers, 1986 (SC ... , Article IT can be translated, in the case of the predators, to ask the general question "Will fishing for ... relationships as described in Article 11. As a result, the goals in predator protection for the kriU fishery ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Auteur(s): Constable, A.J.
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Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia
Paper Title: Potential interactions between wandering albatrosses and longline fisheries for ... Georgia wandering albatrosses (Diomedea exulans) and local longline fishing for Patagonian toothfish ... comprehensive use, we recommend that the South Georgia longline fishery for D. eleginoides should be managed in ... times of the year when the potential for albatross mortality associated with longline fishing might be ... contribution to reducing albatross mortality at a particularly critical time of year. For D. exulans at ... , satellite-tracking, South Georgia, wandering albatross INTRODUCTION Over the last 20 years wandering ... have used, with permission of the parties concerned, CCAMLR data for the years 1990/91 to 1993/94 ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Auteur(s): Croxall, J.P. and P.A. Prince
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Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3
Paper Title: Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3 ... methods employed for consideration by the ad hoc Working Group on Incidental Mortality Arising from ... Fishing (WG-IMAF). Three CCAMLR international scientific observers recorded mitigation measures for fur ... measures on trawl vessels fi shing for krill of a metal grid sloped at an angle to divert seals out ... krill A combination of an escape panel and a mesh barrier were used on the Nitaka Maru for the ... 140 mm outside mesh 90 mm outside mesh 1.6 m mesh opening 80 m from wings to otterboards GR HR ... (2005): 195–205 195 SEAL MITIGATION MEASURES ON TRAWL VESSELS FISHING FOR KRILL IN CCAMLR SUBAREA ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Auteur(s): Hooper, J., J.M. Clark, C. Charman and D. Agnew
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Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass
implications for acoustic surveys of krill biomass Abstract / Description: Accurate estimation of krill ... those applied in the Antarctic, even after adjustments have been made to account for differences in ... -reported by 2.8 dB, leading in turn to an under-estimation of krill biomass by 52.5%. Every effort should ... prevailing within the area in which surveys are conducted. In addition, the implications for biomass ... . Here we present calibration data for an EK500 system at 38, 120 and 200 kHz collected over a number ... VARIATIONS IN ECHOSOUNDER CALIBRATION WITH TEMPERATURE, AND SOME POSSIBLE IMPLICATIONS FOR ACOUSTIC SURVEYS ... adjustments have been made to account for differences in sound speed between locations. Here we present ... settings, then integrated 120 kHz echo signals would be under-reported by 2.8 dB, leading in turn to an ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Auteur(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe
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Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
Paper Title: Fishing for toothfish using pots: results of trials undertaken around South Georgia ... commercial viability of this fishing method for toothfish fisheries in the CCAMLR Convention Area. While the ... been soaking for longer periods (soak times varied from 4 h 25 min to 40 h 35 min, with an average ... from 40 to 90 mm. All crabs not sampled 96.1% of the total numbers of individuals caught. for ... limit Ncolif l ioi~lcs dioriieclctlc and Lifliodes riilrunyi, were for P. fornlosn (90 mm), wit11 sizes ... undertaken on this cruise, a number of pots were modified by changing an area of panel for one of larger ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Auteur(s): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves
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Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and Prydz Bay
Paper Title: Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and ... Prydz Bay Abstract / Description: A general framework for a joint international CCAMLR Ecosystem ... is necessary to have data collected every year for the spring, summer, and autumn seasons and, in ... particular years, the winter season as well. The total time dedicated to an observation series will depend ... - 355 - WG-CEMP-86/7 SOVIET PROPOSALS FOR A PROGRAM OF ... ECOSYSTEM MONITORING IN THE COMMONWEALTH SEA AND PRYDZ BAY U.S.S.R. Abstract A general framework for ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Auteur(s): USSR
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Trawl selectivity for Champsocephalus gunnari
Paper Title: Trawl selectivity for Champsocephalus gunnari Abstract / Description: Data on trawl ... selectivity for mackerel icefish (Champsocephalus gunnari L.), were collected in 1981 in the South Georgia ... speed was 3.5 knots. Icefish comprised 90 to 100% of catches. The logistic selectivity curves were ... calculated using the collected data. It was found that the selectivity factor for 88.2 mm mesh size was 2.81 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 69–75 : Auteur(s): Efanov, S.F., G.E. Bidenko and V.A. Boronin