Search results
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
(Table 4). It is difficult to separate systematic change from natural variability in noisy time-series ... to ice cover. Table 4: Two statistical tests for a decline (between 2000 and 2014) in the biomass ... subarea. Hill et al. 40 Figures 2 to 4 show the conservative estimates of krill biomass in each ... (%) 48.2 (%) 48.3 (%) 1996 1 1997 1 8 1998 2 7 1999 4 1 2000 2 88 2001 9 14 2002 4 3 ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Author(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins
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Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina
BeJIH4HHe CPUE B 1822 Kr /4. OCHOBHYID 4aCTh YJIOBa COCTaBHJI BHP; C. gunnari (62,5%), C. aceratus, P ... stomach fullness on a 5-grade scale (0-4). Scales and otoliths were collected for later ageing of fish ... Georgia in subdivision 55 (Figure 4). There were also three length groups in some length distributions ... L.. ..... .s::. -Cl C tJ -I 200 n-~ (4) " , , r , I , , , , , I , (\ " , \ I ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Author(s): Kreft, K. and J. Szynaka
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Indices of prey availability near the Seal Island CEMP site: 1990 to 1996
CCAMLR Science, Vol. 4 (1997): 37-45 INDICES OF PREY ... (Figures 3 and 4). Two surveys were selected for each year, details of which are listed in Table 1. For ... 1990, surveys 1 and 2 were combined and surveys 3 and 4 were combined. Acoustic data were filtered to ... include only those data collected within the boxes indicated in Figures 1 to 4, at depths shallower than ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Author(s): Hewitt, R.P., G. Watters and D.A. Demer
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A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3
a,Y a,y Wa,y = (3) (4) For determination of regression equation parameters (2) both the ... equation (2) will equal zero when the value of M used is equal to the true value of M. 4. DATA USED ... are given in Tables 4 and 5. 74 Thus the following values were taken as initial ones: M ... 233.2 4 0.568 71.2 5 0.761 25.6 6 0.759 14.6 Thus together with the mean fish weight ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Author(s): Gasyukov, P.S. and R.S. Dorovskikh
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
) reported that between 1 and 12 tooth- fi sh, ranging in size from 70 to 130 cm (4 to 20 kg) were found in ... 1 6 10 2002 4 4 2 1 11 15 EG SR 38 36 35 NG 1 000 m 3 000 m SG 200 m 42 40° West4453 54 ... positions at which sperm whales were observed during hauling operations can be seen in Figure 4. These ... east South Georgia (Figures 3 and 4). At Shag Rocks, sperm whales were more prevalent in the north ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Author(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey
;(- )=+i aq ';, mq - ffi'mq (3) (4) (5) (6) 259 ~(P)=± %r. op vN P (7) where te N ... research by AtlantNIRO in the Scotia Sea from 1983 to 1990. 4. CATCHABILITY OF COMMERCIAL MIDWATER TRAWLS ... distributional patterns of the targetted krill swanns were studied. Tables 2 to 4 give mean statistical data ... (metres) 4 4 4 4 Mesh size in trawl bag (mm) 6.5 10 12 12 266 Table 2: Mean statistical data on ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Author(s): Kasatkina, S.M.
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Sources of variance in studies of krill population genetics
for 4 h with endo- nuclease Rsa I (New England Biolabs). The fol- lowing components were added for ... an e t a l., 2 00 2 82 m tD N A h ap lo ty pe s 65 , 6 1, 5 9, 4 7 D if fe re ... nd M ac D on al d , 1 98 4 7 al lo zy m e lo ci 29 5, 1 01 , 2 32 , 9 3, 3 59 ... nt ia ti on K üh l a nd S ch ne pp en he im , 1 98 6 8 al lo zy m e lo ci 28 4 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 107–116 : Author(s): Jarman, S.N. and S. Nicol
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The use of analysis of penguin stomach contents in simultaneous study of prey and predator parameters
. The regression analysis demonstrates a positive trend in mean sizes of krill with time (Table 4 and ... Percentage Dates 37.50 Penguins in dates 11.82 Krill (within group) 50.68 371 Table 4: Regression ... Deviation from regression 1 4 135.17 9.66 0.61 0.82842 Error within groups 25 392.86 15.71 Total sum of ... :j krill consumed by penguins. See Table 4 for statistical analysis. w Tableau 1: Tableau 2 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 367–375 : Author(s): Marschoff, E. and B. González
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Status of the krill stock around Elephant Island in 1991/92 and 1992/93
modal length of 25 mm (Figure 4); juveniles (the l + age class) comprised 69% of individuals (Figure ... under-represented (Figure 4). During February/March 1992, krill were collected at a greater ... of juveniles and krill lengths <30 mm in 1992 (Figures 4 and 7) resulted from successful spawning ... -3 3 - ST-5 - 0 ST-30 7 ST-4 9 ST-46 ST-61 ST-13 ST-15 ST-14 ST-3 2 I ST-l8 ST-17 ST-34 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Author(s): Loeb, V. and V. Siegel
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The fishery for Patagonotothen brevicauda guntheri in CCAMLR Subarea 48.3
P.b. guntheri fishery are summarised in Tables 2 to 4. The Shag Rocks region of Subarea 48.3 may be ... , and are, therefore, almost certainly of some other species. 4. BY-CATCHES IN THE P.B ... 228 69 4 NOT 54 38 20 0 795 0 0 11-20 ANI 54 41 2408 21 357 130 88 21-31 ANI 54 41 1929 0 407 0 ... Other Species eS) ew> 1987 Aug 21-31 ANI 54 37 904 4 13 nee 1-10 NOT ~ ~ 0 0 60 0 0 11-20 NOT ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 275–283 : Author(s): Everson, I. and C. Mitchell