Résultats de la recherche
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Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3
, Australia. BEVERTON, R.J.H. and S.J. HOLT, 1956. A review of methods for estimating mortality rates in ... Stock: A Review. BIOMASS Scientific Series 6: VID-143 pp. MORENO, C.A. 1991. Hook selectivity in the ... . 1961. Catch curves and mortality rates. Trans. Am. Fish. Soc., 90 (2): 181-189. SC-CAMLR. 1990 ... Subarea 48.3 (South Georgia). Document WG-FSA-90/34. CCAMLR, Hobart, Australia. SPARRE, P. 1989. Some ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Auteur(s): Moreno, C.A. and P.S. Rubilar
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Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey
extremement variable sur la zone pro spec tee et egalement parce que les estimations ainsi obtenues etaient ... should be carried out when selecting trawl design (Zimarev, Kasatkina and Frolov, 1990). As mentioned ... Sampling Krill Swarms. Polar Biology, No. 6 : 83-90. KADILNIKOV,Yu.B. 1985. Osnovnye polozheniya i ... Aggregations in Fishing Grounds off Coronation Island in 1989/90 season. SC-CAMLR-IX, Hobart, Australia ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Auteur(s): Kasatkina, S.M.
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Results of fish stock assessment survey, South Georgia, December 1987 - January 1988
and 80 mm of fisheries directed toward N. gibberifrons, N. kempi, N. squamifrons, and C. gunnari. The ... 80 mm mesh and 43 - 52 mm mesh liner (Crawford 1988). The mouth opening was 17.5 m and the headrope ... since the 1986/87 survey. During the 1987/88 survey Ps. georgianus occurred in 80% of the tows around ... (80 mm mesh in 1986/87 at Shag Rocks). The population as of 1987/88 is about 14% of that estimated ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 19-52 : Auteur(s): McKenna, Jr., J.E. and S.B. Saila
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
/ connecting lines were spaced 80 m apart on long- lines. Hook-bearing snoods were 2 mm in diam- eter, 0.7 m ... free-falls in the water column, and the latter pro- vides an estimate of sink rates in the linear ... , gear sink rates, the capacity of vessels to meet the line-weighting provisions of Conservation ... undetected. This would result in longlines, or sections of longlines, being set that fail to meet CCAMLR ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Auteur(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica
explored in terms of the structure of animal populations. A group of animals that are continuously ... ., 2000 for review). The predator unit is constrained by the spatial location and extent of the ... Area 48 pending further analyses and review of appropriate catch controls in local- ised areas. The ... , thereby ensuring that information will be available to review the subdivision of the catch limits in ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Auteur(s): Constable, A.J. and S. Nicol
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Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys
/90. The biomass of several species of finfish has been monitored through scientific bottom trawl ... Orkney Islands (Subarea 48.2) suffered substantial declines from split-year 1977/78 to 1989/90. The ... affichg une baisse importante entre les annhes australes 1977/78 et 1989/90. La biomasse de plusieurs ... ) disminuyeron substancialmente entre 10s aiios emergentes de 1977/78 y 1989/90. El seguimiento mas reciente de ... conducted from 1977/78 to 1989/90. The main species caught in this region during this period were ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Auteur(s): Jones, C.D., K.-H. Kock and E. Balguerías
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
along with date and time, hook count, position and depth. In cases of low visibility or night hauling ... comparison of the pro- portion of grenadier relative to Patagonian tooth fish in the presence of killer ... (< 25 individu- als) being responsible for over 80% of all depre- dation events (Tixier et al., 2010 ... the data from the ‘Pecheker’ database (Martin and Pruvost, 2007) and P. Monestiez (INRA) for pro ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Auteur(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
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Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89
computer database: • date, time and haul duration; • coordinates at start of haul; • vessel course and ... 1 200 hauls. This constitutes some 70 to 90% of the total number of hauls made by the Soviet fleet ... was close to 15 hours. In February/March catch-per-day fished decreased from 85-90 tonnes to 50 ... ' log books (where available). The following data were extracted from this information and stored as a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Auteur(s): Sushin, V.A. and A.S. Myskov
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Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000
survey boxes (dimensions 80 km × 100 km) north of South Georgia. The reconstructions were generated from ... 80 km transects in each box, providing about 1 600 density estimates per box. The MaxEnt technique ... krill distribution and estimates of mean krill density within two survey boxes (dimensions 80 km × 100 ... been determined at approximately 0.5 km intervals along each of the ten 80 km transects in each box ... rectangles d’étude (dimensions : 80 km × 100 km) au nord de la Géorgie du Sud. Les reconstructions sont ... déterminées à des intervalles d’environ 0,5 km le long de chacune des dix radiales de 80 km de chaque ...
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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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
example 80%) File: 08ball.pdf ... is patrolling the region. Vessel Starting date Ending date One 30 44 Two 60 74 Three 90 104 ... precautionary assessment with some given level of confi dence (for example 80%). Résumé Le présent document ... , pour un taux de confi ance donné (disons 80%). Ball 144 Резюме Предлагается новый метод оценки ... или равно предохранительной оценке с некоторым заданным уровнем значимости (например, 80%). Resumen ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Auteur(s): Ball, I