Search results
-
Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean
cephalopods seems to be due to the fact that they are rarely caught by fishing gear and the ma.in material ... (Oegopsida) in the Southern Ocean Abstract / Description: The USSR has carried out a long-term investigation ... of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean. In 1965–1977 a ... specimens of that total were identified as Brachioteuthis riisei. In recent years (1978-1984) the collection ... in Antarctic waters and data on squid beaks taken from sperm whale stomachs were also considered. Up ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Author(s): Lubimova, T.G.
-
Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
Paper Title: Is current management of the Antarctic krill fishery in the Atlantic sector of the ... krill (Euphausia superba) fishery in the Atlantic sector of the Southern Ocean, and current knowledge ... about the state of the regional krill stock. In this region, krill fishing is permitted in an area of ... management and reporting purposes. The effective regional catch limit (or ‘trigger level’), established in ... Science, Vol. 23 (2016): 31–51 31 Is current management of the Antarctic krill fishery in the Atlantic ... management of the Antarctic krill (Euphausia superba) fishery in the Atlantic sector of the Southern Ocean ... , and current knowledge about the state of the regional krill stock. In this region, krill fishing is ... permitted in an area of approximately 3.5 million km2 which is divided into four subareas (labelled ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Author(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins
-
Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)
, BbInOJIHeHHbIX Ha yq aCTKe 58.5.1 (OCTpOB KepreJIeH) C 1986/87 no 1988/89 rr., npe,llOCTaBl-IJIaCb B03MO ... Paper Title: Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen) Abstract ... / Description: The results of fishing cruises carried out from 1986/87 to 1988/89 in Division 58.5.1 (Kerguelen ... average annual growth of 36% has been noted in the abundance of the juvenile section of the stock of ... research cruises. The abundant 1985 cohort of Champsocephalus gunnari appeared in the shelf stock and it ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Author(s): Duhamel, G.
-
Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica
Paper Title: Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape ... antibodies in the Southern Hemisphere was recorded in two pinniped species from Antarctica: Antarctic fur ... first records, this paper describes additional data on Brucella antibodies in A. gazella obtained at ... detected in one sample with the RB test, and in five of the 86 samples (5.8%) using the c-ELISA test. These ... ON ANTI-BRUCELLA ANTIBODIES IN ARCTOCEPHALLIS GAZELLA FROM CAPE SHIRREFF, LIVINGSTON ISLAND ... instance of anti-Bvz~celln antibodies in the Southern Hemisphere was recorded in two pinniped species from ... ). Taking into account these first records, this paper describes additional data on Br~icelln antibodies in ... Bvucelln spp. were detected in one sample with the RB test, and in five of the 86 samples (5.8%) using the ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Author(s): Blank, O., P. Retamal, P. Abalos and D. Torres
-
Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic
operations in the Atlantic sector of the Antarctic Abstract / Description: Catch per unit effort (CPUE) data ... are presented from krill fishing operations in CCAMLR Subareas 48.1, 48.2, 48.3 (South Atlantic) for ... the period 1975/76 to 1987/88. Comparisons are carried out between subareas in single years, between ... does not occur over time for the entire area. High average CPUE were observed in the years 1975/76 and ... EFFORT (CPUE) DATA FROM THE EARLY YEARS OF COMMERCIAL KRILL FISHING OPERATIONS IN THE ATLANTIC SECTOR ... Catch per unit effort (CPUE) data are presented from krill fishing operations in CCAMLR Subareas 48.1 ... subareas in single years, between years on a subarea and area basis, and between oceanic and shelf regions ... observed in the years 1975/76 and 1980/81, whereas the lowest CPUE occurred in Subarea 48.3 in 1977/78 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Author(s): Siegel, V., V. Sushin and U. Damm
-
Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
Paper Title: Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and ... . Krill catches in these zones are shown to have a consistent pattern in Subarea 48.1 but an unpredictable ... distribution in Subarea 48.2, probably as a result of more variable hydrographic conditions. About 50% of the ... catch in Subarea 48.1 from December to March was taken within 40 km of the coast, and 90% within 80 km ... DANA) CATCHES IN THE SOUTH SHETLANDS AND SOUTH ORKNEYS DJ. Agnew* Abstract A set of concentric ... the South Shetland and South Orkney Islands. Krill catches in these zones are shown to have a ... consistent pattern in Subarea 48.1 but an unpredictable distribution in Subarea 48.2, probably as a result ... of more variable hydrographic conditions. About 50% of the catch in Subarea 48.1 from December to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Author(s): Agnew, D.J.
-
Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz
Paper Title: Measurements of differences in the target strength of Antarctic krill (Euphausia ... superba) swarms at 38 kHz and 120 kHz Abstract / Description: Differences in the target strength of adult ... differences in the mean back-scattering strength of swarms simultaneously insonified at these two frequencies ... in studies off the South Orkneys and Elephant Island in March 1990. Back-scattering strengths at 120 ... WG-KRILL-90/28 MEASUREMENTS OF DIFFERENCES IN THE ... * * Abstract Differences in the target strength of adult (36 to 60 mm) Antarctic krill (Euphausia superba ... ) at 38 and 120 kHz have been inferred from differences in the mean back-scattering strength of swarms ... simultaneously insonified at these two frequencies in studies off the South Orkneys and Elephant Island in March ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Author(s): Hampton, I.
-
Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove
Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at ... sampling period of 24 years which began in 1983, and at Harmony Cove in the summers of 2001to 2003. The ... decline in trammel net catches of fjord Notothenia rossii and Gobionotothen gibberifrons in relation to ... increasing trend of N. rossii catches from 1991 to 2006, the actual levels are half of those found in the ... GIBBERIFRONS AND NOTOTHENIA CORIICEPS IN THE LOWER SOUTH SHETLAND ISLANDS, DERIVED FROM THE 2000–2006 ... of 24 years which began in 1983, and at Harmony Cove in the summers of 2001 to 2003. The decline in ... trammel net catches of fjord Notothenia rossii and Gobionotothen gibberifrons in relation to the non ... trend of N. rossii catches from 1991 to 2006, the actual levels are half of those found in the early ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Author(s): Barrera-Oro, E.R. and E.R. Marschoff
-
Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass
Paper Title: Variations in echosounder calibration with temperature, and some possible ... stability in system gain settings. Between Antarctic seasons this echosounder has also been calibrated in ... those applied in the Antarctic, even after adjustments have been made to account for differences in ... significant differences in volume backscattering (S v) and target strength (TS) transducer gains were detected ... VARIATIONS IN ECHOSOUNDER CALIBRATION WITH TEMPERATURE, AND SOME POSSIBLE IMPLICATIONS FOR ACOUSTIC SURVEYS ... after krill surveys there, and exhibits temporal stability in system gain settings. Between Antarctic ... seasons this echosounder has also been calibrated in temperate European waters. Under these warmer ... conditions, calibrated gain settings differ markedly from those applied in the Antarctic, even after ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Author(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe
-
Statistical power to detect changes in growth rates of Antarctic fur seal pups
Paper Title: Statistical power to detect changes in growth rates of Antarctic fur seal pups ... changes (between years) in pup growth rates, the loss of power associated with obtaining weight samples on ... only three dates in a season, and potential means of increasing the power of the CCAMLR Ecosystem ... Monitoring Program Standard Method C1 (B). Using estimates of variance in pup weights obtained at Seal Island ... IN GROWTH RATES OF ANTARCTIC FUR SEAL PUPS P. Boveng, J. L. Bengtson and M. E. Goebel Abstract ... ) in pup growth rates, the loss of power associated with obtaining weight samples on only three dates ... in a season, and potential means of increasing the power of the CCAMLR Ecosystem Monitoring Program ... Standard Method C1 (B). Using estimates of variance in pup weights obtained at Seal Island (60 0 59.5'S ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Author(s): Boveng, P., J.L. Bengtson and M.E. Goebel