Search results
-
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 : Author(s): Kock, K.-H., M. Belchier and C.D. Jones
-
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 : Author(s): Shcherbich, L.V
-
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 : Author(s): Kawaguchi, S. and S.G. Candy
-
Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
, a TaKXe o 6 1 ~ ~ i i .QoI lyc~H~b l~ BbInOB. ~ O ~ ~ I I I M H C T B O MSyYaBUIMXCR BHAOB- XUIQHHKOB ... , Ommastrephidae) in the Scotia Sea: an ecological approach Abstract / Description: In anticipation of the ... development of a new fishery for the ommastrephid squid Martialia hyadesi in the Scotia Sea, this paper ... conservative estimate for total annual consumption of M. hyadesi by higher predators in the Scotia Sea is 245 ... spawns between autumn and mid-summer with peak hatching in winter/spring. Its life span has not been ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Author(s): Rodhouse, P.G
-
Attribtuion of acoustic echoes to squid in the south Atlantic
BbInOBa IlnB C H ~ ~ O J I ~ L I I H M BbIJIOBOM KanbMapa, SIBPinMCb eAHHCTBeHHbIMH CBJIbHblMM ... 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 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Author(s): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley
-
Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
Paper Title: Alternative methods for determining subarea or local area catch limits for krill in ... precautionary catch limit on krill (Euphausia superba) in Statistical Area 48. The measure also implies an ... application in future of precautionary limits to subareas or local areas of this area. Nine alternative ... current fishing patterns; and (vi) the potential for delay in implementing the alternative. An alternative ... SUBAREA OR LOCAL AREA CATCH LIMITS FOR KRILL IN STATISTICAL AREA 48 G. Watters and R.P. Hewitt ... (Euphausia superba) in Statistical Area 48. The measure also implies an application in future of ... patterns; and (vi) the potential for delay in implementing the alternative. An alternative is less likely ... information, but may not be practical in the near future. Alternatives based on continental shelf area ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Author(s): Watters, G. and R.P. Hewitt
-
By-catch of fish in the krill fishery
Paper Title: By-catch of fish in the krill fishery Abstract / Description: Observations are ... results indicate that the by-catch of fish in the commercial krill fishery may be significant in some ... areas of the South Georgia shelf. The problem is thought to be least in open ocean krill fishing. File ... WG-KRILL-9l/25 BY·CATCH OF FISH IN THE KRILL FISHERY ... by-catch of fish in the commercial krill fishery may be significant in some areas of the South ... Georgia shelf. The problem is thought to be least in open ocean kriU fishing. Resume Observations ... in the Southern Ocean. Nearly all of the catches have been made using midwater trawls, which ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Author(s): Everson, I., A. Neyelov and Y.B. Permitin
-
Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time
Paper Title: Calibration of an acoustic echo-integration system in a deep tank, with system gain ... a 120 kHz split-beam transducer in a refrigerated 10 m deep tank. Calibration parameters are studied ... in relation to sphere material (WC and Cu), water temperature (0.5 to 5.5°C), transmitted pulse ... length (0.1, 0.3 and 1.0 ms), target depth (0.8 to 7.5 m), and time (149 days). The total range in TS ... -INTEGRATION SYSTEM IN A DEEP TANK, WITH SYSTEM GAIN COMPARISONS OVER STANDARD SPHERE MATERIAL, WATER ... transducer in a refrigerated 10 m deep tank. Calibration parameters are studied in relation to sphere ... ), target depth (0.8 to 7.5 m), and time (149 days). The total range in TS gain, including the effects of ... between SA gain and TS gain. The total spread in SA gain, including the effects of temperature, standard ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 127–144 : Author(s): Demer, D.A. and R.P. Hewitt
-
Trawl bag selectivity in the Champsocephalus gunnari fishery
BbInOJIHeHbI 3KcnepH- * AtIantNIRO, 5 Dimitry Donskoy Street, Kaliningrad 236000, USSR ** VNIRO, 17a ... TpaJIeHHti N=29. BbI4HCJIeHH5.l BbInOJIHeHbl MeTO,llOM CKOJIb35.llIleti cpe,llHeti). CeKIJ;H5.l cO,llep ... Paper Title: Trawl bag selectivity in the Champsocephalus gunnari fishery Abstract / Description ... were carried out in June 1990 in the South Georgia area concurrently with trawl surveys as part of the ... from previous years demonstrates close similarity. A significant increase in modal length (up to 34-35 ... recommended in order to fully understand the mechanism involved. File: 18-Bidenko-and-Istomin.pdf ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Author(s): Bidenko, V.G. and I.G. Istomin
-
Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)
Paper Title: Patagonian toothfish in international waters of the Southwest Indian Ocean ... , following commercial fishing procedures, in a restricted area south of Madagascar and north of Prince Edward ... made at depths between 360 and 1 950 m. D. eleginoides was present in all hauls, with catches varying ... located at the edge of the principal area of D. eleginoides concentration, in which a residual recruitment ... (2005): 207–214 207 PATAGONIAN TOOTHFISH IN INTERNATIONAL WATERS OF THE SOUTHWEST INDIAN OCEAN ... , in a restricted area south of Madagascar and north of Prince Edward and Marion Islands and the ... 950 m. D. eleginoides was present in all hauls, with catches varying from 53 to 1 158 kg. The ... area of D. eleginoides concentration, in which a residual recruitment effect persists. The total CPUE ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Author(s): López Abellán, L.J