Resultados de la búsqueda
-
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 : Autor(es): Kock, K.-H.
-
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 : Autor(es): Mangel, M.
-
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 : Autor(es): Parker, S.J. and M.H. Smith
-
An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
200 300 400 500 5 Vessels. Evasion 0 E st im at ed d ay s fis he d 10 60 110 160 210 260 ... Actual days fished 0 100 200 300 400 500 5 Vessels. Evasion 0.2 E st im at ed d ay s fis he ... im at ed ( ne w m et ho d) E st im at ed d ay s fi s he d E st im at ed d ay s ... fi s he d 50 100 150 200 250 Actual days fished 0 100 200 300 400 500 5 Vessels. Evasion ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Autor(es): Ball, I
-
Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set
-Scotia Confluence varies in width from 10's to 100 kms scale, presumably a consequence of mesoscale ... observed within the 200-300 meter range. The a/s properties of this feature indicate that it represents ... Discovery data of the 1920's and '30's also shows the invasion of Pacific deep water into the Bransfield ... Potential Temperature/Salinity Relationship, a/s The regional a/s distribution (from the Southern Ocean ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Autor(es): Gordon, A.L.
-
Areas of seabed within the 500 m isobath around Elephant Island (Subarea 48.1)
. Everson, I. and S. Campbell. 1990. Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3 ... ' longitude. Table 2: Summaryof areas of seabed (n mil.es2) around Elephant Island between 60'45's and 61 ... °40'S. Land masses 0- 50 m 51-100 m 101-200 m 201-300 m 301-400 m 401-500 m Kock, 1986 ... 77.45 50.21 75.32 85.11 6.38 7.66 0.85 60'45' - 61°00'S 61'00' - 61°15'S 56O30' - 56 ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 131–135 : Autor(es): Kock, K.-H. and U. Harm
-
Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean
(km2 ) Subdivision N S E W 0-50 50-150 150-250 250-500 )500 Sea Total 62°00' 62°20' 59°30' 60°00 ... S 62 °20' 62°40' 63°05' 63°05' 62°40' 62°20' 64°00' 61 °00' 66°00' 67°00' 68 ... depth range (m) Area (lan2 ) ------------------------ Subdivision N S E W 0-50 50-150 150-250 250-500 ... , 80. Table 5 FAO Subarea 48.3. -.-.-------~------------- Coordinates Subdivision N S E W 48 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Autor(es): Everson, I.
-
Southern elephant seals and CCAMLR
immatures of both sexes to disperse widely from their natal island(s) within the Kerguelen province in the ... subpopulations in the Kerguelen Province, we can suggest two possibilities: first, that the factor(s ... . The southern elephant seal Mirounga leonina at Gough Island. S. Afr. J. Zool. 15: 229 -234. BESTER ... between SASCAR and TAAF on pinnipeds inhabiting South Indian Ocean Islands (the Kerguelen Province). S ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 465-473 : Autor(es): Bester, M.N. and D.G.M. Miller
-
Revised estimates of the area of the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)
at 150 m resolution with a geographical extent stretching between 34–44°W and 53–56°S. This paper ... Everson, I. and S. Campbell. 1990. Areas of sea- bed within selected depth ranges in CCAMLR Subarea 48.3 ... . North east corner °S °W 0– 50 50 –1 00 10 0– 15 0 15 0– 20 0 20 0– 25 0 25 0– 30 0 30 0 ... – 35 0 35 0– 40 0 40 0– 45 0 45 0– 50 0 T ot al s 1 53 43 0 0 0 0 0 0 0 0 4 4 8 2 53 42 0 0 1 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 167–175 : Autor(es): Belchier, M. and P. Fretwell
-
The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
region under consideration: - 216 - /3 =.f S ,where S is region area, and'p is average surface ... represents a distance between irZl.n$ect~(sec tioll8} s ftx« A. ~. In the majority of cases fishing ... rewrit- ten in a different form: 1) . .¥ lJ =~, h ~ A('l.,.) 1 S nx !f 'Ft l-J. In case of trawl ... ; at h.x ~ R, hff;Z1? (tr~wl. survey) 8' = tf3 if (hx 17-y /S , (9) It, «R ("superfrequent" survey ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Autor(es): Kizner, Z.I.