Resultados de la búsqueda
-
Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
Paper Title: Commercial fishing vessels as research vessels in the Antarctic – requirements and ... in the ecosystems of the Antarctic region require a precautionary approach with respect to the human ... use of these ecosystems. In particular, resource harvesting requires enough basic knowledge, as well ... the potential of using commercial fishing vessels to bridge the gap in research vessel capacity. The ... dramatically over its 30- to 40-year history. The present annual catch in the Atlantic sector of the Southern ... given sub- stantial attention in recent years (ICES, 2007; Abe et al., 2011; Skaret et al., 2012). Much ... scientific use when the vessel is new. In general, space for a 20 ft container laboratory van would be ... operations is increasing (ICES, 2007). Norway has, in recent years, run dedicated surveys using krill ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Autor(es): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins
-
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 ... , USSR 381 1. INTRODUCTION During the past 20 years a major krill fishery has become established ... have only a minor effect on the icefish. Approximately one haul in 20 was however taking large amounts ... k 1 m n Cruise of RV Akademik Knipovich in 1981 47 10 4 54 54 34 50 230 255 45 40 30 845 2.00 48 ... 7 400 500 40 40 30 1745 1.83 71 20 4 54 14 35 18 250 470 545 2.25 86 10 5 55 0 33 47 3000 3000 70 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Autor(es): Everson, I., A. Neyelov and Y.B. Permitin
-
Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer
Paper Title: Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the ... 1986/87 austral summer Abstract / Description: A survey of Antarctic fur seals in the South Shetland ... . Total fur seal pup production in the South Shetland Islands in 1986/87 is estimated to be approximately ... seals in the South Shetland Islands have been censused sporadically over the past 80 years, with the ... those sites in years when data on the number of pups are not available, the total number of ... ANTARCTIC FUR SEALS IN THE SOUTH SHETLAND ISLANDS, ANTARCTICA, DURING THE 1986/87 AUSTRAL SUMMER J.L ... Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer indicated ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Autor(es): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart
-
Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90
Paper Title: Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data- Autumn ... in the South Sandwich and South Orkney Islands areas during a cruise by RV AtlantNIRO in March/April ... 1990. The survey was conducted in the upper 100 m layer using a modified Isaacs-Kidd trawl. Trawling ... Islands was assessed at 3.8 million tonnes, most of which was concentrated in the waters of the Weddell ... biomass density) did not exceed 30 mg/m3 in the ACC and Weddell Sea waters of the South Sandwich Island ... WG-KRILL-90/21 KRILL BIOMASS ASSESSMENT IN STATISTICAL ... census survey was carried out at two fishing grounds in the South Sandwich and South Orkney Islands ... areas during a cruise by RV AtlantNIRO in March/April 1990. The survey was conducted in the upper 100 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Autor(es): Fedotov, A.C.
-
Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean
Paper Title: Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern ... of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean (Divisions 58.4.1 and 58.4.3 ... ) based on results from a trawl survey in 1999. This is the first quantitative assessment of M. carinatus ... in this region. M. carinatus was the most common species caught in each haul, comprising on average ... in recent years due to the increase in longline fisheries for toothfish (Dissostichus spp.) in the ... females. Vopr. Ikhtiol., 20: 954-956. MacPherson, E. 1979. Ecological overlap between macrourids in ... DISTRIBUTION AND ABUNDANCE OF MACROURUS CARINATUS ON BANZARE BANK IN THE SOUTHERN INDIAN OCEAN E.M. van Wijk ... abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean (Divisions 58.4.1 and 58.4.3 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Autor(es): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb
-
Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area
in the South Georgia area Abstract / Description: The stocks of Notothenia rossii marmorata and ... Champsocephalus gunnari in the South Georgia area are assessed using USSR age sample data and recent biomass ... estimates from surveys by the FRG. These data indicate that the stock of N. rossii in 1985 was about 2.5% of ... not be very effective. Since the stock in most years consists mainly of new recruits, and ... known) and the net recruitment rate to the stock in each year implied by the age data. The catch at ... of the fishery compared to later year classes. However, in selecting an age-specific natural ... coefficient of natural mortality of 0.2 per year up to age 8 is assumed, this implies the schedules given in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Autor(es): Cooke, J.G.
-
Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari)
Paper Title: Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari ... analyses of covariance were used to assess variability in model fits between years. Note that due to ... to 4 cm at c. 60 cm) in 1990 and 1997; in other years predictions were very similar and close to To ... commercial fishery around South Georgia. Sampling periods, designated by the year in which the samples were ... OTOLITH AND BODY SIZE RELATIONSHIPS IN THE MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARD 1. Everson, B ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 117–123 : Autor(es): Everson, I., B. Bendall and A. Murray
-
Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3
Paper Title: Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3 ... (WG-EMM) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella) in the ... avoid fur seal deaths in the fishery. WG-EMM requested that the UK provide further details of the ... seal entanglements on krill vessels fishing around South Georgia in the 2004 fishing season. The ... where the headrope and groundrope connected to the warps. Two mesh planes, 44 m in width and 20 m in ... (2005): 195–205 195 SEAL MITIGATION MEASURES ON TRAWL VESSELS FISHING FOR KRILL IN CCAMLR SUBAREA ... Working Group on Ecosystem Monitoring and Management (WG-EMM) in Siena, Italy, the UK reported on the by ... -catch of fur seals (Arctocephalus gazella) in the krill fi shery around South Georgia, and on ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Autor(es): Hooper, J., J.M. Clark, C. Charman and D. Agnew
-
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 : Autor(es): Demer, D.A. and R.P. Hewitt
-
A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures
Paper Title: A possible framework in which to consider plausible models of the Antarctic marine ... management procedure for the krill fishery, including the evaluation of candidate management procedures in a ... framework for allowing flexibility in dealing with biological, spatial and temporal scales. The body of the ... relative to the maximum consumption rate. For many taxa, reproduction in a given year would be the result ... of the accumulated reproduc- tive condition in that year. For some taxa, reproduc- tive condition may ... (2005): 99–117 99 A POSSIBLE FRAMEWORK IN WHICH TO CONSIDER PLAUSIBLE MODELS OF THE ANTARCTIC MARINE ... , including the evaluation of candidate management procedures in a simulation framework, using plausible ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 99–117 : Autor(es): Constable, A.J