Résultats de la recherche
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The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3
Paper Title: The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3 Abstract ... / Description: The 1991/92 longline fishery for Dissostichus eleginoides in Subarea 48.3 was open from 4 ... Chilean vessels. The maximum catch taken in a five-day period was 375 tonnes. Catch rate was not ... varied markedly among fleets and was about 1 kg/hook in the Chilean fleet, 0.2 to 0.4 in the Russian and ... ELEGINOIDES IN SUBAREA 48.3 D.J. Agnew1 and C.A. Moren02 Abstract The 1991/92 longline fishery for ... Dissostichus eleginoides in Subarea 48.3 was open from 4 November 1991 to 10 March 1992. A total of 3 382 ... tonnes was taken by one Bulgarian, five Russian and eight Chilean vessels. The maximum catch taken in a ... about 1 kg/hook in the Chilean fleet, 0.2 to 0.4 in the Russian and 0.2 in the Bulgarian. These ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Auteur(s): Agnew, D.J. and C.A. Moreno
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Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density
Paper Title: Intra-annual variability in the density of Antarctic krill (Euphausia superba) at ... and environmental parameters continuously. A distinct seasonal pattern in krill density, recurring ... consistently over all three years, was detected. Krill densities in winter were predominantly low (mean = 18.7 ... g m –2, SD = 24.3), but had risen substantially by summer in each year (mean = 89.5 g m –2, SD ... . 14 (2007): 27–41 27 INTRA-ANNUAL VARIABILITY IN THE DENSITY OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA ... environmental parameters continuously. A distinct seasonal pattern in krill density, recurring consistently ... over all three years, was detected. Krill densities in winter were predominantly low (mean = 18.7 g m ... –2, SD = 24.3), but had risen substantially by summer in each year (mean = 89.5 g m–2, SD = 64.2). A ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Auteur(s): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone
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Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)
Paper Title: Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division ... ; Miller et al., 1985). Assessments contained in this paper are based on results of research conducted in ... trawl and acoustic surveys as well as on fish feeding patterns and krill production were used in the ... taking into account their distribution in the particular study area of Antarctica. Total fish stock was ... ) CONSUMPTION BY COAST AL FISHES IN DIVISION 58.4.2 (KOSMONA VTOV AND SODRUZHESTV A SEAS) Ye.A. Pakhomov ... ., 1985). Assessments contained in this paper are based on results of research conducted in the ... acoustic surveys as well as on fish feeding patterns and krill production were used in the calculations ... account their distribution in the particular study area of Antarctica. Total fish stock was calculated ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Auteur(s): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk
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Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area
) (Channichthyidae) in the South Georgia area Abstract / Description: The otolith microstructure of juvenile ... mackerel icefish (Champsocephalus gunnari) (5.5–13.3 cm in length) was analysed using samples taken during ... a trawl survey of juveniles in February–March 2002 on the South Georgia shelf. Juvenile fish ... comprised two year classes arising from spawning in the 1999/2000 and 2000/01 split-years. The mean width of ... ) (CHANNICHTHYIDAE) IN THE SOUTH GEORGIA AREA L.V. Shcherbich AtlantNIRO 5 Dmitry Donskoy Street Kaliningrad ... sh (Champsocephalus gunnari) (5.5– 13.3 cm in length) was analysed using samples taken during a trawl ... survey of juveniles in February–March 2002 on the South Georgia shelf. Juvenile fi sh comprised two year ... classes arising from spawning in the 1999/2000 and 2000/01 split-years. The mean width of daily otolith ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Auteur(s): Shcherbich, L.V
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Quantifying movement behaviour of vessels in the Antarctic krill fishery
Paper Title: Quantifying movement behaviour of vessels in the Antarctic krill fishery Abstract ... of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed a ... distances moved between hauls in Subarea 48.1 compared to Subareas 48.2 and 48.3, reflecting the large ... fishery model suggested in the late 1980s are proposed based on the results from this study. These ... Quantifying movement behaviour of vessels in the antarctic krill fishery S. Kawaguchi and S.G. Candy ... distance between hauls in relation to their catch level revealed a distinct pattern. Mean between-haul ... vessels. There were differences between statistical areas with longer distances moved between hauls in ... generalised fishery model. Updates for some of the parameters for the krill fishery model suggested in the ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Auteur(s): Kawaguchi, S. and S.G. Candy
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Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited
appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited Abstract ... / Description: Notothenia rossii was the fi rst target species in Southern Ocean fi sheries. The species was ... already heavily fished at the beginning of the 1970s. The closure of the fishery for this species in 1985 ... violated in the case of N. rossii, which is non-randomly distributed such that a large proportion of the ... MULTI-SPECIES SURVEY APPROPRIATE FOR ALL TARGETED SPECIES? NOTOTHENIA ROSSII IN THE ATLANTIC OCEAN ... species in Southern Ocean fi sheries. The species was already heavily fi shed at the beginning of the ... 1970s. The closure of the fi shery for this species in 1985 was one of the fi rst conservation measures ... area at the time of the survey. This assumption is violated in the case of N. rossii, which is non ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Auteur(s): Kock, K.-H., M. Belchier and C.D. Jones
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Can we satisfactorily estimate variation in krill abundance?
Paper Title: Can we satisfactorily estimate variation in krill abundance? Abstract / Description ... per unit effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator ... to year variation in krill abundance it is important that this be quantified and separated from ... fishery induced variation. The timescale for such information is discussed in the light of the needs of ... SATISFACTORILY ESTIMATE VARIATION IN KRILL ABUNDANCE?* I. Everson1 (United Kingdom) Abstract Knowledge of ... effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator of ... variation in hill abundance it is important that this be quantified and separated from fishery induced ... variation. The timescale for such information is discussed in the light of the needs of fishery management ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 375-376 : Auteur(s): Everson, I.
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Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks (Subarea 48.3)
Paper Title: Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks ... consideration the fact that in the 1986/87 season the recruitment in the first age group was not abundance of N ... . guntheri in 1987/88 was 152 thousand tonnes. Then the following TAC values were obtained: (a) Fishing ... intensity (F) in the predicted period is equal to the mean value of fishing mortality for the main ... TAC ESTIMATION IN THE AREA OF SHAG ROCKS (SUBAREA 48.3) K. Shust and R. Borodin Abstract Data ... correlation coefficients were the highest is the most preferable. Taking into consideration the fact that in ... the 1986/87 season the recruitment in the first age group was not abundance of N. guntheri in 1987/88 ... was 152 thousand tonnes. Then the following TAG values were obtained: ( a) Fishing intensity (F) in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 53-68 : Auteur(s): Shust, K. and R. Borodin
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Attribtuion of acoustic echoes to squid in the south Atlantic
Paper Title: Attribtuion of acoustic echoes to squid in the south Atlantic Abstract / Description ... : During a research cruise of the British Antarctic Survey ship RRS James Clark Ross in February 1996, more ... than 2 000 individuals of the ommastrephid squid, Martialia hyadesi, were caught in a single haul made ... by a pelagic trawl near the Antarctic Polar Frontal Zone in CCAMLR Subarea 48.3. This paper describes ... ATTRIBUTION OF ACOUSTIC ECHOES TO SQUID IN THE SOUTH ATLANTIC C. Goss, P. Rodhouse, J.L. Watkins and A.S ... RRS James Clavk Ross in February 1996, more than 2 000 individuals of the ommastrephid squid ... , Mavtialia hyadesi, were caught in a single haul made by a pelagic trawl near the Antarctic Polar Frontal ... Zone in CCAMLR Subarea 48.3. This paper describes the analysis of acoustic data gathered during this ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Auteur(s): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
Paper Title: Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae ... Chilean fisheries of the Patagonian toothfish, Dissostichus eleginoides is reviewed in order to study ... selectivity of different types and sizes of hooks used in longlines. Original data obtained during 1991 off ... % more efficient than hooks No. 4. Using different bait does not result in significant differences. It is ... WG-FSA-91/11 HOOK SELECTIVITY IN THE LONGLINE FISHERY ... , Dissostichus eZeginoides is reviewed in order to study selectivity of different types and sizes of hooks used ... in longlines. Original data obtained during 1991 off the coast of Valdivia, South East Pacific, are ... does not result in significant differences. It is worth noting that the ratio of females increases ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Auteur(s): Moreno, C.A.