Search results

1. Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile

   le s (in di vi du al s) 0 10 20 30 40 50 60 70 80 90 E ffo rt ( ha ul s ob se ... Month K ill er w ha le s (in di vi du al s) 0 10 20 30 40 50 60 70 80 90 E ffo rt ... + 173.06 R2 = 0.8552 0 5 10 15 20 25 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 ... rv ed ) (a) 0 5 10 15 20 25 30 35 40 45 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ... industrial fishing vessels between April 2002 and March 2003. For the 180 hauls monitored, the evidence of ... support the hypothesis that the richest fishing grounds are also traditional feeding grounds for sperm ... 95% US$47 302–153 745) for the whole fleet, with a mean loss per set of US$138 (CI 95% US$74.76–249.3 ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Author(s): Hucke-Gaete, R., C.A. Moreno and J. Arata

2. Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data

   (8-9) 1 290.4 50" 40' 20" o' 20' 40' 10' 30' 30' 10" 50" 60" 60' 70' 10' 58.4.4 -.' eo' 58.4.2 ... 4.-----------------~--------------------~ 3 2 o 5 10 15 20 30 40 50 60 70 Concentration Radius (nml) Figure 16: Histogram of the radii ... recueillies par des navires de recherche/de prospection au debut des annees 80. Ces exemples soulignent le ... conclusions precises. Pe3lOMe B HacTo.sn~eH pa60Te MHOIO nOKa3aHO, KaKHM 06pa30M ,llaHHble, KOTopble ... number of concentrations and analytical justification for search data Abstract / Description:  In this ... 1980s. These examples highlight the need for a navigational log as well as a fishing log in order to ... make accurate inferences. In the appendix, a method for correcting for the bias in the detection of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Author(s): Mangel, M.

3. Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption

   . File:  20-Pakhomov-and-Tseitlin.pdf ... are determined by age or size, then the first sample is formed by one group and the second one by at least two ... significantly and the population was of one age class. However here we came across an increase in the index ... with equation (3) the constant value A = 0.048 - 0.019 when T90 is within the above-mentioned range. The mean ... hamatus and Cryodraco antarcticus were first-year matured C. wilsoni (SL=17-20 cm) (37% each ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Author(s): Pakhomov, Y.A. and V.B. Tseitlin

4. Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)

   concentrations throughout the year. Results of surveys showed that the distribution and behaviour ... of biomass of E. carlsbergi in the area indicated that its variability during the year is related ... to form large concentrations throughout the year. Results of surveys showed that the distribution ... the year is related to parameters of spatial and vertical distribution of fish. Interannual variability ... ** 9 to 12 December, 1988 687 17885 7 -102 26.0 18 to 20 December, 1988 676 11278 9 - 80 16.7 * density ... r,). PHCYHOK 10: 3x03anHcH CKOnJIeHHI1 E. carlsbergi Ha rJIy6HHax 40-130 M B BeqepHee BpeM5.I (19-20 qac) Ha ... : 3x03anHcH CKOnJIeHHI1 E. carlsbergi Ha yqaCTKe TpeTbel1 MHKpOCbeMKH Ha rJIy6HHax 70-80 M B ~HeBHoe (a) 17 ... WG-FSA-90/35 SEASONAL AND INTER· ANNUAL VARIABILITY ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Author(s): Kozlov, A.N., K.V. Shust and A.V. Zemsky

5. Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?

   every second. The TDRs were attached to the longline on 30 cm long snoods made from 9 mm rope ... flat against the longline. This enabled the TDRs to pass through the jaws of the line setter without ... of the TDRs. Sink times from the surface were evaluated to five target depths: 2, 3, 5, 10 and 20 ... is the prevalence of calm seas during the Ross Sea trial. As mentioned previously, especially important ... depth of longlines for given distances astern. This increase in depth is minor and unlikely to result in ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Author(s): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith

6. CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island

   w z z o 50 40 l- 30 3 o l- ---J: U l- -< U 20 10 o E M JAN L E M FEB L E 10-DAY ... r u F a::: w r w... E- ~~.k-f-. 0 F 20 30 48 50 60 e- LATE FE::; ~I= 220'21 I [ X= 45.9377 ~ SO=: 5.~,871S 20 ~HX= 59 r !1U ... Sc: 336 EAF:LY MAR :20 30 f-1 [DDLE ~IAF: 210 :::0 U~TE ~IAF: 212) 30 X= 46.0183 SD ... aTH aJIeMeHTbI B 3HalIHTeJIbHoti Mepe B TelIeHHe npOMbICJIOBOrO ce30Ha. 1I3MeHeHH5I CPUE H ,l(JIHHhl ... season, these parameters were examined for each 10-day period of the Japanese krill fishery in the ... from these data. The percentages of “Egui” as an indicator of greenness of krill were too variable ... among trawlers to be an objective indicator at present. File:  17-Endo-and-Ichii.pdf ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Author(s): Endo, Y. and T. Ichii

7. Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys

   population, demography (annual survivorship, age at first reproduction, cohort strength) and breeding ... to 20 Jan would probably cover both species adequately. This would however raise the same compromise ... . TaKI1M 06pa30M, Anl1Ha KaJKAoro pa3pe3a _ MelKAY 85 11 90 KM. QT06bl CBeCTI1 K MI1HI1MYMY ... Black-browed Albatross (Croxall pers comm.) 50 - 80 km (Max 100 km) 40 - 60 km 50 - 100 km ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Author(s): Everson, I.

8. Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements

   in numerous areas. Acoustic surveys have been conducted regularly in some areas for nearly 20 years ... of krill abundance has been subject to considerable research over the last 20 years (Greene et al., 1998 ... tonnes per year (a factor of 20) to 100-500 million tonnes per year (a factor of 5). An earlier ... faibles qui ont ktb suggPrees par le passe. La difference entre nos estimations et d'autres peut ... estimates and others can be explained by a number of factors such as: an underestimation of the range or the ... of the demand for krill by predators. Even if these low krill biomass estimates are correct, regional ... survey of the South Atlantic in January 2000 may result in an effective biomass which is greater than the ... into account when managing an expanded krill fishery, and the appropriateness of using the existing ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Author(s): Nicol, S., A.J. Constable and T. Pauly

9. Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic

   whale pods were generally small (2–8 animals), while solitary animals and larger pods (>15 animals ... , although smaller groups (2–3 animals) were also relatively common. Interactions with killer whales were ... . Killer whale pods were generally small (2–8 animals), while solitary animals and larger pods (> ... ;15 animals) occurred less frequently. Sperm whales were most often solitary when interacting ... (768 hooks observed). Discussion The high inter-vessel difference in the per- cent age of hauls ... 78 24.5 20 6.3 J 712 30 4.2 119 16.7 14 2 K 346 12 3.5 18 5.2 7 2 L 238 8 3.4 167 70.2 2 0.8 ... 6–10 7 0.8 11–15 21 11.3 >10 1 0.1 16–20 12 6.5 21–30 2 1.1 Table 4: The times at which ... the hauling site. Observers reported that when vessels steamed away for between 20 and 30 n miles, killer ...

   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

10. Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89

    January 1707 20.9 81.7 6.41 11 to 15 January 664 7.4 89.7 7.45 16 to 20 January 368 1.5 245.3 22.30 21 ... March 2346 24.6 95.4 6.14 11 to 15 March 1726 19.0 90.8 5.28 16 to 20 March 965 13.7 70.4 5.40 21 ... WG-CEMP-92/30 LOCATION AND INTENSITY OF THE SOVIET ... BbIweynOM5.lHYTbIH ce30H ,l{OCTHr MaKcHMYMa, 3a nOCJIe,l{HHe ,l{eB5.lTb ce30HOB 06LQa5.1 npOMbICJIOBa5.1 ... maximum, for the last nine seasons the total fishing intensity by the USSR around Elephant Island has been ... (north of Elephant Island) and start searching for krill concentrations; (ii) krill concentrations are ... km/day (11 to 13 cm/sec). An analysis of the location of fishing grounds by five-day periods showed ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Author(s): Sushin, V.A. and A.S. Myskov

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