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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
]T Constraint probability pX = 0.9 Mean steady state harvested species biomass ( ) ( )1, 2,, 5 ... u k B B B B B B k (5) ( ), 1 , ,1 ui k i i k i i kK K Kα α+ = + - , ( ) ( )( )22 2, ~ , 1 ... narrower dispersion and only 0% and 3% respectively of trajectories falling below the 60% LRP (Figure 5 ... ) >0.95 (i.e. it allows no more than 5% probability of biomass falling below the LRP), the Hill and ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Автор(ы): Hill, S.L. and M. Cannon
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Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990
the net was estimated to vary from 20 to 22.m and the headline height from 5 to 6.5 m. All hauls ... effects. A few hauls were made at 4 or even 5 knots and it was questioned whether the net would have ... at the same location. Akademik Knipovich had only two hauls of this species greater than 100 kg. 5 ... % The different systems of stratification do not change the results by more than 5 or 10%. These ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Автор(ы): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)
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Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3
equipment may be of the order of only 5 to 10% of the total survey budget. However, around South Georgia ... 34 " West Figure 1: South Georgia and Shag Rocks. successful sampling, such as a small or 5, = g ... the trawl. A standard profile (Figure 5) shows decreasing headline height as the trawl sank to the ... :59:10 14:01:50 14:04:30 14:07:10 \ Time [ --- Horizontal Opening - - - Headline Height Figure 5 ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Автор(ы): Pilling, G. and G. Parkes
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Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area
poissons demersaux des sites c6tiers des iles Shetland du Sud s'est poursuivi a l'anse Potter de 1991 5 ... South Georgia was estimated to be less than 5% of the original stock size in 1969 (Kock, 1992). Since ... ; outer mesh 12 cm) were set on the bottom at depths from 5 to 50 m. Soak time ranged from 6 to 96 hours ... 48.1). In: Selected Scientific Papers, 1988 (SC-CAMLR-SSP/5), Part 11. CCAMLR, Hobart, Australia: 143 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Автор(ы): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
corporel. 11 a ete calcule que leur consommation annuelle de nourriture correspond it environ 5 fois le ... % OT MaCCbl TeJla. rO~oBoe nOTpe6J1eHHe nHIQH COCTaBHJlO OKOJlO 5 Macc TeJla. Resumen Se sabe muy ... calorific content, assumed to be 1 kcal g-l. 324 (5) (6 ... some 4 to 5 n. miles from the station position showed a high rate of feeding for C. wilsoni (index of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Автор(ы): Pakhomov, Y.A. and V.B. Tseitlin
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Fishery Report 2018: Dissostichus spp. (Subarea 48.2)
(research block 486_5) in 2012. Length-frequency distributions of catches 5. The length-frequency ... 30 lines and catch limit of 75 tonnes of Dissostichus spp. and a tagging rate of 5 toothfish per ... and 48.4. The specific objectives of the survey are: 5 (i) determine population ...
Document : Site Section: Publications
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Scientific Abstracts 2005
rope and plastic packaging bands (157), a number of bands were still in the form of a loop (5 = 3.1 ... than three consecutive years (ranging from 5 to 16 years), these are: Cape Shirreff (Livingston ... plastic packaging bands (12) from the total recorded the previous season (5), this increase resuming the ... Antarctic marine ecosystem research in the CCAMLR Area. Submitted by ASOC, 5 pp. (English, unpublished ...
Document : Site Section: Publications
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Review of length-weight relationships for Antarctic krill
information on the dominant maturity stages of kriH. Table 5 lists the few data available for other Antarctic ... and calorific value of Antarctic krill. Translated from Biologiya Morya, 5: 45-49. 149 Table 1 ... 0.00353 3.151 21-59 339 resting stage Siegel (unpubl. data) 152 Table 5: Length-weight relationship ... : Tableau 5: Ta6JIHIJ,a 1: Ta6JIHIJ,a 2: Ta6JIHIJ,a 3: Ta6JIHIJ,a 4: Ta6JIHIJ,a 5: Tabla 1 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 145–155 : Автор(ы): Siegel, V.
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Statistical power to detect changes in growth rates of Antarctic fur seal pups
power to detect changes of 5 to 50% of the observed mean pup growth rates. The simulations proceeded as ... =O.1 • 5 10 15 20 25 PERCENT CHANGE IN 4 weighing dates 6. 28-day intervals 50 pups/day 3 ... 1.0 0.8 a.. 0.6 ..J < (.) ~ 0.4 -t- < I- (J) 0.2 0.0 o 5 10 PERCENT 5 weighing dates ... 1.0 0.8 a. 0.6 ....J e:( o ~ 0.4 -I- e:( I- en 0.2 0.0 V cx={3=.2 t 5 10 PERCENT L 0 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Автор(ы): Boveng, P., J.L. Bengtson and M.E. Goebel
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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
75°E (Figure 3). Echo-records of a group of shoals (5 to 6 shoals per mile) of up to 200 m in length ... ; shoals were usually 5 to 7 m deep, spaced wide apart. Mean density was 12 g/m2. Mean density for the ... 1990 Macro (fJ067°S 590000 125 30 47 28±9 - (January) flJ°to750£ 5 1990 Meso 65°30' to 67°08'S 53800 ... • .J1I7O' ~_~6' 5~' 80' 8Z' 6~' 8G' Gfl' 70' n ?lj' 'i'G' 78' 80' 62')~ ...... -l ...... Figure 4 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Автор(ы): Bibik, V.A. and V.N. Yakovlev
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