Resultados de la búsqueda
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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
seabed. shows track of headline height a t station 30, The captain was not aware of the information In ... Pilling and Parkes 30 T I 3.5 4 4.5 Average Head Height (m) Figure 8: Regression of average head ... .130HTaJIbHOrO PaCKPbITMSi (R, TaKMM o6pa3o~ , n p o ~ p a n e ~ ~ o t i nnowan~) ~ 0 ~ ~ o r . o Tpana ... PerpeCCllll An% OQeHKll rOpll30HTaJIbHOAO PaCKPbITRSI C IIOMOWbK) APYrIIX nepeMeHHbIx, HanpuMep C K ~ P O C T ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Autor(es): Pilling, G. and G. Parkes
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Possible effects of different levels of krill fishing on predators – some initial modelling attempts
l'kcosysteme de la CCAMLR (WG-CEMP) en 1992. Tout d'abord, les auteurs ~ roceden t a des estimations des ... KpHJIeM XMWHMKOB. Pa3pa60~a~a ' o A H o H ~ M ~ ~ B ~ ~ H H ~ R ' MoHenb B ~ ~ M M O A ~ ~ % C T B H R ... , B K O T O P O ~ K o J I ~ ~ ~ H M R B YMCneHHOCTM KPMJIX BJ?MSIH)T Ha nOnYnRIJMll XAWHllKOB, a 0 ... 6 p a ~ ~ b l e B ~ ~ H M O ~ ~ ~ ~ ~ C T B H ~ I OTCYTCTBYIOT. Pe3ynbTaTb1 OCHOBaHHbIX Ha 3 ~ 0 ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Autor(es): Butterworth, D.S. and R.B. Thomson
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Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)
second stock of N. squamifrons exists on the Kerguelen-Heard Banks at the border of Divisions 58.5.1 and ... rates of fish stocks in the South Georgia and Kerguelen Islands areas. SC-CAMLR-SSPI4: 229-30. 153 ... : Benthic trawls : Effort (hours of fishing): Catch (tonnes): Yield (t/h): Effort (tI): Catch (tI ... ) (t/ h) 1984/85 2 597 6 492 2.50 1985/86 263 370 1.41 1986/87 1 779 3 190 1.79 1987/88 637 497 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Autor(es): Duhamel, G.
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Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean
, A.J. Constable, R. Williams and T. Lamb Australian Antarctic Division Channel Highway, Kingston ... O M ~ C C ~ cocTasHna 16 658 -c 1 325 T. Pacnpenene~~e M . carinatus no ~ c e 2 6aH~e 6b1no ... located in the southern Indian Ocean on the border of Divisions 58.4.1 and 58.4.3 (Figure la). At 2 300 ... standard haul duration was 30 minutes fishing time. However, owing to the rough nature of the ground ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Autor(es): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb
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Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia
Bertalanffy equation estimated from 1 000 data records are: L t = 207.01 cm [1- e- 0.0748{t + 0.2898}]; where ... L oo = 207.01 cm, K = +0.0748 and t o =-0.2898. The maximum age of D. eleginoides was found to be ... considered that g(t,0) = L, . (1 - e-K(t-TOJ) and h (t,0) = 0, then equation 3 takes the form In equation ... ~ a no o 6 e ~ ~ CTpYKTYpaM 6 b 1 n ~ MAeHTIIYHbIMH. K P H T ~ P H ~ ~ BMJIKOKCOH~ C IIOMOIQbH ... , IIOnyYeHHbIe C MCMonb3oBaHMeM QByX CTpyKTyp, pa3nHYaJIIICb TOnbKO B He60JlbIUo6 CTeIIeHM. Y ~ C T O ... OKa3bIBanOCb HeBolMOXHbIM CYMTblBaTb OTOnMTbI B CB113II C IIX ~ ~ c o J I I U T H O ~ ~ HenP03paYHOCTbK), B ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Autor(es): Cassia, M.C
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Estimating krill recruitment and its variability
recruits in a population sampled by a net haul survey. Preliminary results from a series of five net haul ... haul survey. Preliminary results from a series of five net haul surveys in the South Atlantic and the ... from krill populations. The proportion of recruits, also known as the gross recruitment rate, R(t ... ), is the ratio of the numbers in age class t to the numbers in that age class and above, that is ... for calculating R(t). If we assume that the length distributions have normal distributions with a ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Autor(es): de la Mare, W.K
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Environment–krill relations in the South Georgia marine ecosystem
appear to dominate the dynamics. There are, however, few ecological time series available to assess this ... study, time series of krill abundance (CPUE) indices were derived from Soviet fishing operations in the ... CCAMLR Science, Vol. 3 (1996): 13-30 ENVIRONMENT-KRILL ... dominate the dynamics. There are, however, few ecological time series available to assess this variability ... study, time series of krill abundance (CPUE) indices were derived from Soviet fishing operations in the ... en dominer la dynamique. I1 n'existe toutefois que peu de series chronologiques disponibles qui ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Autor(es): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky
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Using ecosystem monitoring data to detect impacts
and Type II error analytically where possible and through simulation using time series based on ... Antarctic fur seal pup production data from Bird Island. This data series includes a known non- fisheries ... ). Each of the approaches described below was applied to the pup production time series, with critical ... system. A monitoring program records a new observation, at, each year t. For ease of nota- tion ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Autor(es): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
hook line are tied together to form a continuous line, and weights are tied to the join in the centre ... . For each type of weight and each mass of weight, 10 replicates were set in series (Figure 3). A repli ... fishing line), which took 30 s to pay out, to provide inde- pendence between the replicates. At the end ... . The exact water entry time (nearest second) was recorded for each device. On retrieval, data from ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Autor(es): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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A simple approach for calculating the potential yield of krill from biomass survey results
model for the length of kriU of age (a+t) years may be written: 208 { .e .. [ 1-e -(3(a+ot)] .e ... (a + t) = .e .. [ 1- e-{3(a+l)] O::;t::;l/o (2) Rosenberg et al.'s (op.cit.) fit to data ... . The reason is that, in practice, such a strategy could only be implemented in the form of fixed ... acoustic workshop. BIOMASS Report Series No. 40. pp. 106. BEDDINGTON, J.R. and J.G. COOKE. 1983. The ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Autor(es): Butterworth, D.S., A.E. Punt and M. Basson