Search results
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
the ends of the branch/connecting lines, and a weight is attached to the end of each one (Figure ... weight masses x 10 replicates/weight mass). For both fishing methods, one TDR was deployed in each ... by the conventional hook line and are suspended from one end of the branch/connecting lines, the other end being ... , and since it is preferable that one weight mass be used for both fishing methods, the results ... -system longline vessels to attach 8.5 kg weights at 40 m intervals on longlines to minimise interactions ... fishing operations the netting bags abrade on the seabed causing rocks to be lost and the weights to ... no maintenance. An experiment was conducted on a Spanish-system longline vessel to determine the ... every 40 m averaged 0.22 m s –1 to 2 m depth, which would be equal to, or exceeded by, lines with 5 kg ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Author(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf
for commercial concentrations of C. gunnari in years of high abundance of the species (1982/83, 1983/84 and 1986 ... for clarification of survey techniques used in stock assessment. For a number of years scientists of AtlantNIRO have ... from research vessels which had been fishing for commercial concentrations of C. gunnari in years ... . For a number of years scientists of AtlantNIRO have been conducting trawl surveys for C. gunnari during ... from research vessels which had been fishing for commercial concentrations of C. gunnari in years ... used in stock assessment. For a number of years scientists of AtlantNIRO have been conducting trawl ... HCnOJib30BaHbl ,l{aHHbie Hayl.IHO-HCCJie,l(OBaTeJibCKHX cy ,l(OB, o6JiaBJIHBaBIIIHX npOMbiCJIOBbie CKOnJieHH51 ... H MHrpHpyeT B TOJIIIlY BO,l(bl, ,l(OCTHf'a51 10pH30HTOB 50-60 M. liHK nHTaHH51 npHXO,l(HJIC51 Ha HOl.IHbie ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Author(s): Frolkina, J.A. and V.I. Shlibanov
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Methodology of data collection on net selectivity and accidental mortality of fish passing through the mesh of the codend
passing through the mesh of the codend Abstract / Description: This paper contains advice on determining ... of fish passing through the trawl codend. It contains proposals on standardising data collection ... Methodology of data collection on net selectivity and accidental mortality of fish passing through ... an experiment to determine the accidental mortality of fish passing through the trawl codend. It contains ... KPOMKaM K era HH~HeH rrnaTH. ITepe~Hhlhl H 3agHhlw KPOMKH STOH ~aCTH gnHHoH h2' paBHoH illHpHHe ... HCKJIIO'qHTb ,IJ;OnOnHHTeJIb- Hoe TpaBMHpOBaHHe H Y,IJ;ep~aTb PhlO, npOlle,IJ;WHX CKBOSb KYTOK, Hsro ... HHTeH CeTHOrO nOnOTHa B KOHTeHHepe TaKHe ~e, KaK B pH6oynoBHTene, npHMeHHeMOM npH O~eHKe CeneKTHBH ... 6onDIDoro OCHOBaHHR ~yrr HMeeT PYKORTKY, co CTOPOHbI Ma- noro - OTBepcTHe ~HaMeTpOM 10 MM ~R rrO~BeIDHBaHHR ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 99-121 : Author(s): VNIRO (USSR)
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Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set
par une zone d"eau de largeur variee (10 a 100 km) que I'on peut considerer comme une eau ... -Scotia (le Front de Scotia), la Oll I'on rencontre les eaux du Pacifique, on remarque des indications ... xonO~Hble nOn.HpHble 3aBO~bI MOp.H Y3~~enna BCTpeqaIOTC.H C oonee TennbIMH U;HpKYMnOn.HpHbIMH Bo~aMH ... ~nOnO)l(eHHe 0 TOM, qTO npOHCXO~Rm;ee y OKOHeqHOCTH AHTapKTHqeCKOrO nonYOCTpOBa CMeWHBaHHe BO~ MOP.H ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Author(s): Gordon, A.L.
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CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island
or not there was a marked change in two kinds of CPUEs, body length and greenness of krill during the fishing season ... In order to identify whether or not there was a marked change in two kinds of CPUEs, body length ... from one haul per day. Condition of "Egui" or greenness of krill has become an item to be recorded ... in February, but one trawler in late March. Length frequency distribution of krill from all the trawlers ... in three out of seven trawlers. One trawler, however, scored 100% "Egui" for three 1 O-day periods ... 'W and between 61°30'S and 62°30'S (Figure 1). Two kinds of CPUEs, catch/tow and catch/towing time (minute ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Author(s): Endo, Y. and T. Ichii
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
of the biomass estimate which is set as the catch for a 20-year period. Three possible fishing seasons ... for a 20-year period. Three possible fishing seasons are considered. The model extensions requested ... -' a is the age of the krill in years, and t measures time after the 'start! of the year. As the three-month ... that B"P in this model is measured at the 'start' of the year, mean that krill reaching three years of age always ... of age a years at the start of 'year' y (N,,) are governed by the equations: where 'year' is a 12 ... eight years of age and older is relatively small, and so can be neglected. Provided that the krill ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Author(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
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A simulation study of krill fishing by an individual Japanese trawler
, and allowing hauls to continue through more than one swarm. Twenty four candidate abundance indices (generally ... hauls to continue through more than one swarm. Twenty four candidate abundance indices (generally ... inconsistency is found: haul times are a factor of 4-5 times greater in reality than in the model. Two ad hoc ... is found: haul times are a factor of 4-5 times greater in reality than in the model. Two ad hoc model ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Author(s): Butterworth, D.S.
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Southern elephant seals and CCAMLR
the animals’ terrestrial phase have failed to explain this observed decline which has also been recently ... Islands. Population studies during the animals’ terrestrial phase have failed to explain ... - AI1HaMI1J<:Y nOnYJIHL{1111 3TI1X BI1AOB. B TaJ<:OM CJIY'Iae qpe3BWqaHHO Ba~HWMI1 HBJIHIDTCH I1CCJIeAOBaHI1H ... . HeAaBHO 6blJIO HaQaTO npOBeAeHl1e iOJKHOH ACPPI1J<:OH I1CCJIeAOBaHI1H B 3TOH 06JIaCTI1, 11 I1MeeTCH HaAG ... in marine areas segregated from adult cows and younger (smaller) age classes of both sexes and may ... the animals' terrestrial phase have failed to explain this observed decline which has also been recently ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 465-473 : Author(s): Bester, M.N. and D.G.M. Miller
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Analysis and modelling of the Soviet Southern Ocean krill fleet
two separate measures: one in which survey vessel discoveries are used to track the number ... two separate measures: one in which survey vessel discoveries are used to track the number ... that fishing vessels begin to indicate in their log books the amount of between trawl time spent searching ... that fishing vessels begin to indicate in their log books the amount of between trawl time spent searching ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Author(s): Mangel, M.
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Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands
and 20 to 1 050 g respectively. The age groups of the specimens ranged from two to five years ... and Barrera-Oro IIXTb C T ~ A M ~ ~ COOTBeTCTByIoT MaKpOCKOnHqeCKHM, OnMCaHHhIM AnX pa3JlUqHbIX BUROB ... 60nbLLIoe KOnHYeCTBO MOnOnM (45%), a TaKXe OTHOCMTenhHO HA3KOe KOnAYeCTBO OTHepeCTPiBUIMXCII CaMOK AnA ... reproductive behaviours, such as nest guarding (North and White, 1987; Kock, 1989). One representative ... Paper Title: Histological study on the ovarian development of mackerel icefish (Champsocephalus ... on ovarian development in Champsocephalus gunnari caught by the RV Dr Eduardo L. Holmberg in the ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Author(s): Macchi, G.J. and E.R. Barrera-Oro