Search results
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Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)
at 42°S after about one year at liberty from some opportunistic tagging carried out on a toothfish ... seas area on the Patagonian Shelf at 42°S after about one year at liberty from some opportunistic ... Patagonie, à 42°S, un an environ après le marquage effectué au cours de la campagne de pêche à la légine ... mar en la plataforma patagónica a la altura de los 42°S. Estas marcas fueron colocadas un año antes ... international waters between 41°–42°S and 57°–58°W (Figure 2) and an additional 274 D. eleginoides were tagged ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Author(s): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson
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A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
An53 npOBe~eHH5l cToxacTHqecHx n p o r ~ o s o ~ npci onpeAeneHHoM pexHMe npoMblcna. M o ~ e n b ... H O C T ~ , S ~ B I I C R U I Y I O OT ~ o s p a c ~ a CeneKTMBHOCTb I? Ce30HHbIe TeHACHL(I?I ... dynamics, stock assessment, sustainable yield, yield per recruit INTRODUCTION CCAMLR h a s d e v e l ... abundance at or above which exploited f i sh s tocks s h o u l d b e main ta ined . Initially ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Author(s): Constable, A. and W.K. de la Mare
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Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands
reproduction etait plut8t faible (32%). Fbln nposeneH r k i c ~ o n o r u u e c ~ ~ f i a ~ a n a s ... paiioaax K)m~oii reopr~ki a cKan mar B nepuon G e s p a n b - ~ a p ~ 1994 r. Eb~no onpeneneHo IlIeCTb ... p a 3 p a 6 o ~ a ~ a ruKana onpeneneHHx c o 3 p e s a ~ ~ z rosan , n p e n ~ a s ~ a q e ~ ~ a ... development stages and elaborating a gonad maturation scale for s tudies using microscopes (microscopical ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Author(s): Macchi, G.J. and E.R. Barrera-Oro
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Estimates of fish stock biomass around South Georgia in January/February 1985
survey the area had been s tratified into the three depth zones 50 - 150 m, 151 - 250 m a nd 251 - 500 ... chosen randomly but restricted to area s where fishing condi- tions were known to be moderate or good so ... hauls operating the 200' bottom trawl used on previous s urveys in the area (STEINBERG, 1978) were ... aceratus Chaenocephalus acera tus was more or l ess evenly distributed over the s he l f with some ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Author(s): Kock, K.-H.
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Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989
coast to approximately 64°S between 130° and 150°E was subdivided into three subareas taking into ... approximately 64°S between 130° and 1500 E was subdivided into three subareas taking into account an area to ... 64°S, entre 130 et 1500 E, a ete divisee en trois sous- zones, y compris une region situee au nord du ... subareas, desde la costa hasta los 64°S aproximadamente, entre 130° y 1500 E, Y se tuvo en cuenta la zona ... catch per hour of trawling (tonnes), S = total area surveyed (square miles), s = area fished per hour ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Author(s): Dolzhenkov, V.N. and V.P.Timonin
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Assessment of krill flux factors in waters of South Orkney Islands during summer 1996
waters of the Antarctic Circumpolar Current (ACC) and the Weddell Sea. The s tudy area covered sites ... B s o ~ e B ~ ~ H M O A ~ ~ ~ C T B H ~ aHTapKTMqeCKOr0 qMpKyMnOnRpHOr0 TeqeHllR (AUT) ll BOA ... for calculating actual total biomass of krill I n recent years , m o s t s t u d i e s a i m e d ... area bounded by 59'10'S-60'30's and 50°00'W-42"00fW, and located in Subarea 48.2 (South Orkneys ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 195–204 : Author(s): Kasatkina, S.M., V.N. Shnar, M.I. Polischuk, A.M. Abramov and V.A. Sushin
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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
>-3/2 Var s{ A} ( 2 ) It should be noted, however, that there is a more serious bias in the ... E{radius of detected concentrations}/E{radius of all concentrations} = (sM1 + M2)/(s + M1) ( 3 ... : MacMillan. SIEGEL, S. 1956. Nonparametric Statistics. New York: McGraw-Hill. WASHBURN, A. 1981. Search ... . Thus Prob{ concentration of radius W is detected} = Prob{ C< 0, W+C >-s} + Pr{ C> 0, C-W < s} (A 1 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Author(s): Mangel, M.
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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
the CV of the lognormal recruitment distribution. The impact of assump- tions of stock-recruitment (S ... ‘strong’ S-R relation- ship where mean recruitment declined when SSB was below 0.4 SSB0 (scenario 16 ... ), and no S-R relationship (scenarios 17). Finally, the impact of natural mortality being 0.1 higher or ... % SSB0 reference lines are shown). 0 20 40 60 80 0 1 2 3 4 S pa w ni ng B io m as s x 1 03 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Author(s): Welsford, D.C
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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
census surveys have been carried out over the whole area (south of 600 S between 60 and 80° E) and, in ... particular, in the southern coastal waters of the area (south of 65°30'S). Until 1988 krill biomass was ... Sodruzhestva Sea, although a survey of its southern part (to the south of 65°50'S between 59° and 800 E) was ... surface layer of the "standard" survey area (south of 600 S between 60° and 75°E) in 1990 was close to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Author(s): Bibik, V.A. and V.N. Yakovlev
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Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?
°W 80° S 75° S 70° S 65° S 60° S 150 °E 160° E 170°E 180° 170°W 160°W 150°W 80° S 75° S ... 70° S 65° S 60° S 1 2 3 4 Figure 1: Ross Sea region indicating areas where segment-level ... spatial analysis. 60° S 65° S 70° S 75° S 80° S 160° E 150 °E 170°E 180° 170°W 160°W 150°W ... – H yd ro co ra ls , A TX – A ne m on es , C SS – S cl er ac tin ia ns , G G W ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 87–96 : Author(s): Parker, S.J. and M.H. Smith