Résultats de la recherche

1. Assessments of by-catch in trawl fisheries at Heard and McDonald Islands

   Paper Title:  Assessments of by-catch in trawl fisheries at Heard and McDonald Islands Abstract ... / Description:  This paper assesses the potential for the commercial trawl fisheries in the Heard Island area ... (Statistical Division 58.5.2) to significantly affect, in the long term, spawning biomass of three taxa caught ... biomass estimates from surveys in the region from 1990 to 1993 and a limited amount of biological data ... ASSESSMENTS OF BY-CATCH IN TRAWL FISHERIES AT HEARD AND MCDONALD ISLANDS A.J. Constable, R. Williams and ... Abstract This paper assesses the potential for the commercial trawl fisheries in the Heard Island area ... (Statistical Division 58.5.2) to significantly affect, in the long term, spawning biomass of three taxa caught ... biomass estimates from surveys in the region from 1990 to 1993 and a limited amount of biological data ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Auteur(s): Constable, A.J., R. Williams and W.K. de la Mare

2. Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region

   , Macrouridae) in the Ross Sea region Abstract / Description:  Samples collected in 2008 led to the ... in the Ross Sea region is presented. The number of rays in the left pelvic fin and number of rows of ... teeth in the lower jaw allowed the two species to be distinguished both in the laboratory and by ... CCAMLR Subareas 88.1 and 88.2. There was a small but significant increase in the proportion of M ... Fishing for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region of the Southern Ocean ... (CCAMLR Subareas 88.1 and 88.2) began in 1997 and is managed by CCAMLR with a spe- cific requirement to ... , Family Macrouridae) are the main by-catch in the toothfish fishery in the Ross Sea region, with a catch ... of 10 tonnes reported in 1998 which increased to 480 tonnes in 2005 (Hanchet et al., 2008a ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Auteur(s): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown

3. Estimating optimal observer coverage in the Antarctic krill fishery

   Paper Title:  Estimating optimal observer coverage in the Antarctic krill fishery Abstract ... conventional krill trawl vessels fishing in South Georgia (CCAMLR Subarea 48.3) were analysed using variance ... estimate parameters of interest, in this case the mean (or median) krill length and the rate of larval fish ... by-catch. A partial coverage sampling program has been implemented in South Georgia since 2002 ... Estimating optimal obsErvEr covEragE in thE antarctic krill fishEry D.J. Agnew1, P. Grove2, T. Peatman1 ... conventional krill trawl vessels fishing in South Georgia (CCAMLR Subarea 48.3) were analysed using variance ... reliably estimate parameters of interest, in this case the mean (or median) krill length and the rate of ... larval fish by-catch. A partial coverage sampling program has been implemented in South Georgia since ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Auteur(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

4. A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in relation to the latitudinal zonation of the Southern Ocean

   Paper Title:  A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in ... the RV Vozrozhdenie (VNIRO, USSR) in March/April 1990 an integrated study survey was conducted in the ... Southern Atlantic along two meridional transects at 17° and 20°W in the latitudes from 37°30' to 55°30 ... of E. carlsbergi were analysed by length composition, sex ratio and maturity stages in relation to ... CARLSBERGI (TANING, 1932) AREA OF HABITAT IN RELATION TO THE LATITUDINAL ZONATION OF THE SOUTHERN OCEAN ... A.V. Zemsky and S.A. Zozulya* Abstract During the cruise of the RV Vozrozhdenie (VNIRO, USSR) in ... March/April 1990 an integrated study survey was conducted in the Southern Atlantic along two meridional ... transects at 17° and 200W in the latitudes from 37°30' to 55°30'S. The survey was mainly focussed on ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Auteur(s): Zemsky, A.V. and S.A. Zozulya

5. 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

6. 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

7. 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

8. 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

9. 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

10. 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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