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  1. Consideration of major issues in ecosystem monitoring and management

    Cambridge CB3 0ET, United Kingdom Email – iev@pcmail.nerc-bas.ac.uk Abstract This paper outlines ... prédateurs. Le programme de contrôle de l’écosystème de la CCAMLR (CEMP) forme un cadre appropié à l’étude ... trip duration 2–3 months Several days 20–100 C2 Pup growth 2–3 months 2–3 months 30–150 Calendar dateP ... prior to that time. The CEMP database, augmented by national programs, consequently forms a very ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Author(s): Everson, I

  2. Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987

    cTapllIeM). CocTaB YJIOBOB C. gunnari CI1JIbHO OTJIl1lIaJIC.H OT COCTaBOB YJIOBOB B npe,aw,aYW;l1x ce30 ... m. Standard trawling time was 30 minutes. The location of fishing stations is set out in Figure ... sexually mature. About 30% of them had developing testes. 3.2.5 Champsocepha/us gunnari Catches ... than during a previous survey in May/June 1986, when the species was found to form prespawning ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Author(s): Kock, K.-H.

  3. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

    , Madingley Road Cambridge, CB3 0ET United Kingdom Email – sih@bas.ac.uk M. Cannon Department ... . The controlled system (here the operating model) provides output in the form of measurable state variables ... X p k K³ ³ = (7) where ( ). denotes the expectation operator and 2 Q x denotes the quadratic form Tx Qx. The vec ... . The operating model can be written in the gen- eral form: ( )1 , ,k k k kx f x u w+ = (9) where the vectors ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Author(s): Hill, S.L. and M. Cannon

  4. Estimating krill recruitment and its variability

    of krill trawl surveys were available in a form suitable for the method. The required data are the haul ... the second group with mean length in the range 30 to 38 mm as age class 2, are: Number of surveys 9 Mean ... 9 8 7 6 h Y .M 5 a 4 3 2 1 0 0 10 20 30 40 50 60 70 Length (mm) Figure 1: Schematic mixture distribution generated from five ... expected for Antarctic krill. 0 10 20 30 40 50 60 Length class (mm) Figure 2: Fit of a mixture ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Author(s): de la Mare, W.K

  5. Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)

    consumed is between 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million tonnes ... for a depth range of 100 to 500 metres in waters between 30 and 80°E. Krill consumption was estimated ... consume from 30 to 32 million tonnes (Lubimova, Shust, 1980 and Shust, 1987). However these extrapolated ... was calculated for a depth range of 100 to 500 metres in waters between 30 and 80°E. Krill consumption ... ~ ~o 30-32 M~H TOHH KPM~~ OT 3Toro KO~MqeCTBa (JII06MMoBa, IlIycT, 1980 M IlIYCT, 1987). O~HaKo ... . B paCqeTaX McnO~b30Ba~MCb ~aHHbIe Tpa~OBbIX M aKYCTMqeCKMX CbeMOK M MaTepMa~bI no nMTaHMIO PbI6 M npo~yK ... ~ Ta6JIH~a 1: IIJIOllla,llb cTpaT Me)l<,llY 30° H 80° B.,ll. H KOJIHqeCTBO TpaJIeHHH, HCnOJIb30Ba ... 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million tonnes (Lubimova ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Author(s): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk

  6. Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia

    du mois, ce qui suggere que les poissons se deplacent tant vers le haut que vers le bas de la pente ... ~ a f i ~ e ~ o oveHb Mano OTHepeCTHBUlMXCZ oco6eB. T a ~ o e KOHueHTpHpoBaHHoe PaCIIpeAeneHHe KPYMHbIX ... form of the relationship between depth and mean length in August, when the mean length at shallow ... are of the form n~eanf isk length (cm) = a + b*D + c,,, + d, + e, where a is the intercept given ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Author(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce

  7. Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001

    to form stable concentrations on the shelf and was transported instead further out to open sea. File ... failed to form stable concentrations on the shelf and was transported instead further out to open sea. ... with Weddell Sea waters failed to form stable concentrations on the shelf and was transported instead further ... 3.04 3.00 2.63 -0.05 -0.29 -1.00 -0.62 Dec 1.30 1.15 -0.95 -1.35 Jan 2.75 2.50 -0.75 -0.75 2000 ... advection. Water eddies, associated with the formation of krill concentrations and formed as a result ... not form stable and dense concentrations on traditional fi shing grounds in Subarea 48.3 ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Author(s): Vanyushin, G.P

  8. Modelling variability and estimating power to detect change in Adélie penguin fledgling weights

    period from 50 to 30 without substantial loss of power. If practical, these findings could have ... period from 50 to 30 without substantial loss of power. If practical, these findings could have ... period from 50 to 30 without substantial loss of power. If practical, these findings could have ... répondre à la disponibilité des ressources en tant que changement en forme de marche représenté par une ... possibilité. La modélisation met également en évidence la possibilité de réduire à 30 au lieu de 50 le nombre ... 5-дневный период, с 50 до 30 без существенного снижения эффективности. При применении на практике эти ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Author(s): Emmerson, L.M., C. Southwell and J. Clarke

  9. Observation of seabirds in the Southern Ocean in 1988/89

    .) o6RacTH IO)l{Horo OKeaHa. Ha6RIO,l\eHH5I, no 30 MHH. Ka)l{,l\oe, BbInORH5IRHCb e)l{e,l\HeBHO B CBeTRoe ... as en route to ports of call. The survey route is shown in Figure 1. Observations lasting 30 minutes ... points and where small polynyas had formed. Separate observations put their numbers at 50 specimens ... , on 30 December 1988, when the vessel was sailing across an area of virtually ice-free water where only ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Author(s): Vagin, A.V. and V.V. Popov

  10. Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region

    1) M. whitsoni were caught in the East stratum, but substantial proportions (30–51%) of M. whitsoni caught ... of the form: proportion stage 1 ~ depth + stratum, implemented using a modified version of the R stepAIC ... . The length at sexual maturity was determined from the fitted logistic form for females of both M. whitsoni ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Author(s): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown

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