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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
modified objective function: { }0 1 2 20 2 2, , , 0 '0 min k Q u u u K k k k ss R S x x u u u l ... of 2 2 20 0 ' k k k Q R S x x u u u æ ö÷ç - + - + ÷ç ÷÷çè ø in steady state, which can be ... feedback loop have a nominal time‐step of one year. The controlled system (here the operating model ... - ment derive from control theory (Cunningham and CCAMLR Science, Vol. 20 (2013): 119–137 119 A ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Autor(es): Hill, S.L. and M. Cannon
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Midwater trawl catchability in relation to krill and possible ways of assessing gross catch
theoretical calculations. A comparison of the experimental hydroacoustic assessment with the calculated one ... Rhomboid a=lOO (30) mm a=80(20)mm a=60 (18) mm 0.2 0.2 0.2 Hexagonal a=lOO (20) mm a=80 (14) mm a=60 ... krill which has passed through area (s) of the trawl cover over time (I ). We will assume that krill ... -section diameter of 5 to 6 m and a mesh bar of 30 mm, then 0.33 kg of laill will escape through one ... 70 60 50 40 ~ 30 I» o ~ 20 g. f 10 \-l o 0,9 10,7 20,5 30,3 40,1 ~9.9 59,7 3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Autor(es): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov
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Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers
with mitochondrial and intron DNA markers Abstract / Description: Two molecular methods, mitochondrial ... the 13 recaptures, there was one long-distance movement, almost 800 km north (72°S) after 3.3 years ... , 1984; Williams et al., 1994), but DNA analyses showed evidence for two genetic units, one around ... air dried and resuspended in 40 µl sterile water and stored at –20°C. Two classes of markers, mtDNA ... , 14 nt). The D. mawsoni amplicon contained two variable sites in the con- trol region. One SS fi sh ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Autor(es): Smith, P.J. and P.M. Gaffney
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e-cc-xvii-a5.pdf
... fishing in the Convention Area (CCAMLR-XVII/BG/24). This increase has taken place over the past two years ... basic aims of these two measures, several Members raised concerns over the applicability of the proposed ... from 28 to 30 October 1998 under the chairmanship of Dr W. Figaj (Poland). 1.2 In opening the meeting ... Flag States involved were Seychelles, Faroe Islands and Belize. One vessel’s port of registration is
application/pdf attached to:SCOI-98
Meeting Report : SCOI-98
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Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region
, including two indicator-only taxa. File: 05parker-bowden.pdf ... : (L = <10 years; M = 10–30 years; H = >30 years) Growth rate: (L = mature <10 years; M = mature 10–20 ... Zealand fjords approached 30 years of age (Miller et al., 2004). Stylasterids can be large, up to 1 m in ... a longev- ity class of Low, 10–30 years as Medium, and more than 30 years as High. 111 ... years; H = mature >30 years or evidence for sporadic recruitment events) Fragility: (L = Flexible ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Autor(es): Parker, S.J. and D.A. Bowden
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e-sc-xxiv.pdf
... Marine Protected Areas .................................................................... 20 General ... Advice to the Commission ............................................................. 30 Fish ... resources ............................................................................... 30 Fishery ... Reports.......................................................................... 30 Data requirements
application/pdf attached to:SC-CAMLR-XXIV
Meeting Report : SC-CAMLR-XXIV
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e-cc-xxiv.pdf
... submission by an individual Member in respect of a single year, a single species group and one subarea ... .......................................................................... 19 Scientific research exemption ............................................................. 20 ... Secretariat supported activities ............................................................ 20 ... Lists............................................................................ 30 Review of current
application/pdf attached to:CCAMLR-XXIV
Meeting Report : CCAMLR-XXIV
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e-sc-xiii-a6.pdf
... three consecutive years, which included one year (1991) when krill availability to predators was very ... most efficiently addressed by tasking one or two individuals with developing draft text to be reviewed ... presentation of historical sea-ice data up to the present over the next two years. Additional funds may be ... , Table 5 in a similar fashion to that of the two previous years. In doing this it was agreed that data
application/pdf attached to:WG-CEMP-94
Meeting Report : WG-CEMP-94
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Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.3b
Maru No. 3 North 60°S 20 114 134 Namibia Antillas Reefer North 60°S 20 6 26 Uruguay Banzare North ... tit ud e 60 80 100 120 140 160 M ed ia n S iz e (c m ) 58.4.1 A 58.4.1 B 58.4.1 C ... 80 100 120 140 160 M ed ia n S iz e (c m ) 58.4.1 A 58.4.1 B 58.4.1 C 58.4.1 D ... - 20 0 2005 159 7 50 6 - 20 <1 2006 159 8 50 1 - 20 <1 2007 159 17 50 3 1 267 20 1 2008 80 7 50 1 ...
Document : Site Section: Publications
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Aggregation patterns of pelagic predators and their principal prey, Antarctic krill, near South Georgia
differences in foraging strategies. Published in Journal of Animal Ecology (1993) 62, 000-000 Author(s): R.R ... distribution of their principal prey, Antarctic krill Euphausia superba Dana. One novel aspect of our analysis ...
Meeting Document : WG-CEMP-93/13 : Autor(es): R.R. Veit (USA), E.D. Silverman (USA) and I. Everson (United Kingdom)