Résultats de la recherche
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Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone
) with 0% as a target level or 30–40% where no upper size limit exists. The proportional length-based ... recruitment declines linearly 0.2 Fishery parameters Season 1 Dec–30 Nov Catch levels for the constant ... such as the vari- ation in fishing mortality and recruitment, the form of the fishing selectivity ... were known exactly. The form of the selectivity functions determines directly the range of fish ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Auteur(s): Ziegler, P.E., D.C. Welsford and A.J. Constable
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e-sc-38-a6.pdf
... Meeting of the Subgroup on Acoustic Survey and Analysis Methods (Bergen, Norway, 26 to 30 August 2019 ... 255 Report of the Subgroup on Acoustic Survey and Analysis Methods (Bergen, Norway, 26 to 30 ... , from 26 to 30 August 2019. The Convener, Dr X. Zhao (China), welcomed the participants (Appendix A ... , including low power platforms and also transfer of results on condensed form requiring only low bandwidth
application/pdf attached to:SG-ASAM-2019Meeting Report : SG-ASAM-2019
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An index of per capita recruitment
underestimate recruits per spawner by 30% if reasonable assumptions are made regarding the variability of ... 30% if reasonable assumptions are made regarding the variability of mortality and the proportion of ... reproducteur de 30% si les hypothPses avancPes sont raisonnables en ce qui concerne la variabilitg de la ... H3MeHYHBOCTM CMePTHOCTH H HOnH ~-JI~THHx HepeCTXIIJtiXCR oco6eI? PCR naeT 3aHMXeHHYH) ( ~ 3 30%) OqeHKy ... un sesgo adicional. En general, el PCR subestimara en 30% el numero de reclutas por reproductor si ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Auteur(s): Hewitt, R
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
restricted area of about 30 x 20 km. There were also a few isolated hauls made outside this area. During ... the fishery in this area is likely to make some form of catch-per-unit-effort (CPUE) statistic a ... . 1996. Environment-krill relations in the South Georgia marine ecosystem. CCAMLR Science, 3: 13-30 ... ~ C U I T ~ ~ H ~ I X (0,5" LUMPOTbI X 1" , Q o ~ ~ o T ~ I ) AaHHbIX nOKa3bIBaK)T, YTO B Mope ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Auteur(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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Fishes: Trophic modelling of the Ross Sea
97.3 Gvozdarus svetovidovi P MD/LD 500? 80D,10B,10S R Lepidonotothen larseni B SD 30–550 100K R ... Pagothenia borchgrevinki C SD 0–30 70Z,20K,10B O Pagothenia brachysoma C SD 0–30 70Z,20K,10B R Y ... 300–1000 70K,20B,10Z C Y Trematomus newnesi C SD 0–400 70K,20K,10B C Trematomus nicolai B SD 30 ... RAJIDAE (skates) C 250* Bathyraja cf. eatonii B SD/MD 30–1200 100M O Bathyraja maccaini B SD/MD 30 ...
Document : Site Section: Publications
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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 ... d'evaluation des stocks de poissons autour de la Georgie du Sud menee en 1993/94 a bord du navire marchand ... (17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds. The hydrophone ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Auteur(s): Pilling, G. and G. Parkes
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Scientific Abstracts 1993
, 30% adult females) and the severity of injuries (40% serious) was similar to previous years. The ... , Palmaille 9, D-22767 Hamburg, Germany). Polar Record, 30 (172): 3-22 (1994). In the Southern Ocean ... coastline now available. The topographic database created, to be published on one CD-ROM, will form the ... -browed albatrosses. With our data, lifetime productivity would be 30% higher for black-browed albatrosses ...
Document : Site Section: Publications
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Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean
spe_eies is a plankton or a se111i-plankton form (Nests, l 982). Judging from the fact that the mantle of ... or semi-plankton form, The Antarctic Deep Warm Water Mass in the Southern Ocean moves southward ... quantitative distribution and biomass formed in the Polar Frontal Zone where they form schools (Lubimova ... °-30°S) north of the Antarctic Convergence exceeds lOO/m2 and their number is up to 10000/m 2 in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Auteur(s): Lubimova, T.G.
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VME Taxa Classification Guide
) Hydroidolina (sub class) Hydroids Stylasterids (Hydrocorals) Stony corals Black corals Zoanthids Form, size ... , <30 cm, flexible and plant-like, often feathery, no soft tissue covering Calcified, no rings in x ... hard or brittle Cups: Can be ridged Branching: Often smooth stems. Can form a 3D matrix. Polyp calyces ... Chemosynthetic communities Form, size Diverse shapes: hollow central chamber spiky & vase-like, egg-shaped ...
Document : Site Section: Publications
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Choosing distance between acoustic survey tacks
, ~ , ~,,~" !,I I6~,\ :::::;::""""-1:~:,~ 30~ ~ <: I:' · .. . I·"'t:':::::"............ --=:z"=~ 20% '= I,' 7 ... position of the starting point, the extension of tacks, the form and size of the surveyed area, and the ... stock exploitation rate and other factors, we have to estimate the biomass with an error 8B~30 ... paCCT05fHHe MeJKgy rancaMH rrpH aKycTHqeCKOH CoeMKe ~enecoo6pa3Ho BhI6Hpa T h, OCHOBhIBa~c h Ha THrrHqHOM ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Auteur(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler