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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer
at 200 kHz. The operating parameters of the acoustic system are summarised in Table 1. Throughout ... for the depth range of 10 to 200 m or 10 m to bottom if shallower. The top depth of integration (10 m ... mesh size of 3.4 mm. The trawl was towed 186 obliquely from a depth of about 100 m to the surface ... ms o to 200 m 10* to 200 m (9 channels) I n mile 20 dB 15 dB 2010gR 78.9 dB * The top depth ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Автор(ы): Ichii, T., H. Ishii and M. Naganobu
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Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)
clock- type scale with maximum weight of 100 kg and +0.5 kg accuracy. The sizelweight relationship ... 995 3.745 116.3 200 1.014 0.6 1 0.005 0.5 2 0.004 161.6 37 1.409 7.7 2 0.067 2.1 6 0.018 1.8 ... Bransfield Strait, where one end of the longline was hung vertically, from 100 m down to 1 213 m (station ... . CCAMLR Hobart, Australia: 185-200. Kock, K.-H. and A. Kellermann. 1991. Repro- duction in Antarctic ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Автор(ы): Arana, P.M. and R. Vega
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Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
Ocean of about 200 000 tonnes is small compared to the CCAMLR trigger level of 620 000 tonnes and the ... - cies 18, 38, 70, 120, 200 and 333 kHz are preferred in order to both assess krill and fish density and ... stock and increase in salps within the Southern Ocean. Nature, 432: 100–103. Calise, L. and T. Knutsen ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Автор(ы): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins
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A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem
epipelagic zone (50 to 200 m) and feed in the stratum of high summer plankton productivity. In the winter ... former (greater than 200 m) is below the depth of krill concentrations. The diversity of species and ... abundant squid species Illex argentinus feeds mainly on myctophids (frequency of occurrence - 95 to 100 ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Автор(ы): Kozlov, A.N
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Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3
initial section of the inner net had a mesh size of 200 mm, followed by a section of 150 mm. The inner ... Atlantic Navigator 11 (100%) 5.5 0 (0%) 0.0 InSung Ho 76 (92%) 1.38 7 (8%) 0.15 Top Ocean 157 (84 ... %) 1.94 28 (16%) 0.23 Konstruktor Koshkin na 0.0 na 0.0 Esperanza na 0.0 na 0.0 Hooper et al. 200 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Автор(ы): Hooper, J., J.M. Clark, C. Charman and D. Agnew
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Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys
design was not substantial. We assumed a catchability of 100% from all hauls, although it is unlikely ... two-panel net with a lower net opening, such as the German 200' bottom trawl, will catch bentho ... .O - I r' C. gunnari (kgln milez) 0 1-100 100-500 500-1 000 1000-5000 5000-10000 (b) 60 ... ) 0 1-100 0 100-500 62.2 L k' I -- 7- j 47.5 4 j .0 46.5 46.0 45:5 45.0 44. 5 44.0 43.'5 43.0 4215 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Автор(ы): Jones, C.D., K.-H. Kock and E. Balguerías
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Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels
and killer whales (stippled bars). 400 350 300 250 200 150 100 50 0 11 ... 000 hooks each. Longlines are main- tained at depths ranging between 800 and 1 200 m by weights ... 0.2 Pm + Oo + A. spp. 2 0.2 0 0 Total 1 308 100 6 263 100 73 Marine mammals and demersal ... offshore from operating fi shing vessels between 2003 and 2005. 0 20 40 60 80 100 120 2003 2004 ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Автор(ы): Roche, C., C. Guinet, N. Gasco and G. Duhamel
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A balanced model of the food web of the Ross Sea, Antarctica
, there is only enough large (>100 cm) toothfish production to satisfy 6.5% of the diet of Weddell ... ecosystems. In the balanced model, there is only enough large (>100 cm) toothfish production to satisfy 6.5 ... d'autres écosystèmes. Selon le modèle équilibré, la production de légine de grande taille (>100 cm) suffit ... изотопам и по другим экосистемам. В сбалансированной модели производство крупных особей клыкача (>100 см ... de austromerluzas (>100 cm) sólo es suficiente para satisfacer el 6.5% de la dieta de las focas de ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Автор(ы): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands
vitellogenesis): the oocytes' diameters range between 200 and 400 pm, the n / c ratio is about 0.36. In this ... Biology, 100: 277-283. Hunter, J.R. and B.J. Macewicz. 1985. Rates of atresia in the ovary of captive ... folliculaire, a = ovocyte en phase primaire precoce de vitellogenilse. Grossissement: A = 100 fois, B = 400 ... atretiques (at) et ovocytes au debut de la resorption (r). Grossissement: 100 fois. Ta6n~qa 3: UI~ana ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Автор(ы): Macchi, G.J. and E.R. Barrera-Oro
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Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean
, Ne sis, 1971; Filippova, Yukhov, 1979; Nesis, 1982). It is known that the upper 200 m layer in ... a.re provided (fro111 36 to 200 cm). This indicates that the specimens of M. hamiltoni are larger ln ... coucerned, it is assumed that specimens with mantle smaller t han 100 cm are immatur.e. With the same ... with a speed of 5-20 cm/sec in the 200-J000/3500 m layer and according to the results of the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Автор(ы): Lubimova, T.G.
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