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Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass
del sistema, las sefiales acusticas integradas a 120 kHz serian subestimadas en 2,8 dB, 10 que ... conduciria a una subestimacion de la biomasa del kril de 52,5%. Debe por lo tanto hacerse todo 10 posible ... por asegurar que 10s ecosondas sean calibrados en temperaturas 10 mas cercanas posible a las que ... parameters as they appear in the EK500 menu. 0 1 --- Antarct~c 60 - I . A 0 2 4 6 8 10 12 14 16 18 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Автор(ы): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe
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Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?
-depth files and the median zero offset value determined from the 10 rows of data before the water ... surface were evaluated to five target depths: 2, 3, 5, 10 and 20 m. Of these target depths, sink time to ... . Treatment Target depths (m) 0–2 0–3 0–5 0–10 0–20 With 7.9 12.1 20.4 38.6 76.9 Without 7.4 12.9 20.7 ... in the Norwegian longline fishery. ICES CM2000/J:10 Løkkeborg, S. and G. Robertson. 2002. Seabird ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Автор(ы): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith
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Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey
latter travelled a distance of 10 metres away from the trawl in 8 seconds (Everson, 1986). Since krill ... (metres) 4 4 4 4 Mesh size in trawl bag (mm) 6.5 10 12 12 266 Table 2: Mean statistical data on ... swann depth (metres) 42 29 41 24 29 25 30 21 cr, swann depth 13 20 13 8 10 14 16 8 Mean swann ... 47 59 30 23 20 29 17 cr, mean swann length (metres) 15 16 19 7 10 7 20 4 Swann density field in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Автор(ы): Kasatkina, S.M.
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Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem
Part of the Southern Oc~an bounded bw latitudes 30-70 Sand I on9 i tudes 10 W ta 40 E. Research i ... ins, and a-bout 500 000 breedin~ King Pens:uins, account.ins for some 10 and 30 Per cent, re ... ' numerous s.eab i rds. About 10 !::l0ars ago, a lnn'3-tern-, research proJect was initiated b!::I SASCAR ... species, The balance of the known breedin9 .avifauna, consist in':! of 10 ~;pecies oT s111al I retrel'S ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Автор(ы): South Africa
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WG-FSA-11/53
, Material: Polypropylene) 10) Second weight: The line weights used at the end of the snap line There ... : Korean vessels that use the Spanish system usually carry about 6 to 10 sets of fishing gear on board ...
Document : Site Section: Publications
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Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3
espaciales de la distribucion de individuos de diferentes edades, tanto verticales como a 10 largo del ta1ud ... maxima de 25 aiios, 10 cual parece poco para una poblaci6n que alcanza tamaiios de mas de 2 metros en ... aguas frias, por 10 cual esa mortalidad natural debe estar sobrestimada. Nuestro valor promedio de ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Автор(ы): Moreno, C.A. and P.S. Rubilar
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Scar group of specialists – Marine living resources of the Southern Ocean
recommendation (Recommendation VIII-10) with regard to the Antarctic Marine Living Resources was made. In this ... whales from the Antarctic accounted for some 5-10% of the total harvest of marine animals. The history ... (nauplius to sixth furcilia) which are cbmpleted by the time larvae reach an average of 10 mm in length ... swarms (0 to 10 meters) in the vicinity of the island groups in. the Scotia Sea, in one season only ...
Document : Site Section: The Organisation
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Schedule of Conservation Measures in Force 1992/93
paragraphs 5 to 8 above. 8 10. Entry into a CEMP site included in Annex B shall be prohibited except ... paragraph 1 above. 10 B. BIOLOGICAL FEATURES 1. A description of the biological features of the ... program will continue for at least another 10 years (through 2000). 4. A program of routine monitoring ...
Document : Site Section: Publications
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Developing the Secretariat’s data management systems
Coordination Centres (Conservation Measure 10-04) which queries VMS data and returns a list of fishing ... which are described in the following sections. 10. Current CCAMLR databases consist of a series of ... available on-line to external users in various formats 10 5. DWH expansion – use the agreed DQA ... revised. 10. Data audit mechanism – to develop a mechanism and process for auditing data amendments (WG ...
Document : Site Section: The Organisation
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Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia
Areas muy similares a donde se efectuan las operaciones de pesca de palangre. Por 10 tanto, estas ... in relation to the very long foraging trips during the incubation (averaging 10-12 days) and post ... areas coextensive with those used by the local longline fishery, birds only spend about 10% of their ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Автор(ы): Croxall, J.P. and P.A. Prince
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