Résultats de la recherche
-
A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
Paper Title: A generalised model for evaluating yield and the long-term status of fish stocks ... under conditions of uncertainty Abstract / Description: This paper presents a general fish stock ... projection model for assessing the long-term annual yield which satisfies objectives for the maintenance of ... period and set a further constraint on the long-term status of the stock relative to the pre-exploitation ... MODEL FOR EVALUATING YIELD AND THE LONG-TERM STATUS OF FISH STOCKS UNDER CONDITIONS OF UNCERTAINTY ... A.J. Constable School of Aquatic Science and Natural Resources Management Deakin University P.O ... projection model for assessing the long-term annual yield which satisfies objectives for the maintenance of ... period and set a further constraint on the long-term status of the stock relative to the pre ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Auteur(s): Constable, A. and W.K. de la Mare
-
Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87
Paper Title: Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR ... in 1978/79, 1981/82 and 1986/87 Abstract / Description: Trawl selectivity for several species of ... different characteristics of experimental codends, length frequency distribution of stocks sampled, catch ... rates and catch composition. Details of these data were analyzed and minimum mesh sizes for several ... SC-CAMLR-VIII/BG/20 Rev. 1 EVALUATION OF THE RESULTS OF ... , E. Balguerias, K. Shust and S. Iglesias Abstract Trawl selectivity for several species of ... different characteristics of experimental codends, length frequency distribution of stocks sampled, catch ... rates and catch composition. Details of these data were analyzed and minimum mesh sizes for several ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Auteur(s): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias
-
Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
Paper Title: Analysis of krill trawling positions north of the South Shetland Islands (Antarctic ... Peninsula area), 1980/81–1999/2000 Abstract / Description: Inter- and intra-annual variability of ... commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... . Trawling positions seemed to be primarily governed by the distribution of larger mature krill, especially ... CCAMLR Scie~~ce, Vol. 8 (2001): 25-36 ANALYSIS OF ... KRILL TRAWLING POSITIONS NORTH OF THE SOUTH SHETLAND ISLANDS (ANTARCTIC PENINSULA AREA), 1980181 ... -199912000 S. Kawaguchim and K. Segawa National Research Institute of Far Seas Fisheries 5-7-1 Orido ... of commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Auteur(s): Kawaguchi, S. and K. Segawa
-
Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988
Paper Title: Size and density of krill layers fished by a Japanese trawler in the waters north of ... Livingston Island in January 1988 Abstract / Description: The size and density of fishable krill layers in ... the northern waters of Livingston Island were determined during the co-operative survey carried out by ... RV Kaiyo Maru and a Japanese trawler. The mean values of layer length, thickness and surface density ... WG-KRILL-89/6 SIZE AND DENSITY OF KRILL LAYERS FISHED ... BY A JAPANESE TRAWLER IN THE WATERS NORTH OF L1VINGSTON ISLAND IN JANUARY 1988 Y. Endo and Y ... . Shimadzu Abstract The size and density of fishable krill layers in the northern waters of Livingston ... trawler. The mean values of layer length, thickness and surface density were 3.25 km, 13.3 m and 228.0 9 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Auteur(s): Endo, Y. and Y. Shimadzu
-
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 ... experimental work on the target strength of encaged E. superba at 38 and 120 kHz but are in major conflict with ... WG-KRILL-90/28 MEASUREMENTS OF DIFFERENCES IN THE ... TARGET STRENGTH OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) SWARMS AT 38 KHZ AND 120 KHZ I. Hampton ... * * 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 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Auteur(s): Hampton, I.
-
Otolith microstructure of juvenile fish, the first annulus radius and pelagic stage duration of icefish Champsocephalus gunnari (Channichthyidae) in the South Georgia area
Abstract: On the basis of the results of the trawl-acoustic survey in February-March 2002, the ... microstructure analysis of otoliths of juvenile icefish of 5.5-13.3 cm in length was carried out. Fish studied ... represent a mixture of two year-classes of 1999-2000 and 2000-2001. The mean width of the daily growth zone ... in the first 100 days of fish life was 6?k at fish length of 4 cm. By the 200th day the daily growth ...
Meeting Document : WG-FSA-03/75 Rev. 1 : Auteur(s): L.V. Shcherbich (Russia)
-
VNIRO program on remote monitoring of oceanographic conditions in fishing areas of the World Ocean (the southwestern Atlantic and the southeastern Pacific)
Abstract: The paper presents a program of application of satellite and ship monitoring data on ... dynamics of the sea surface temperature (SST) in fishing areas For various time intervals (week, month ... , year, etc.). Sample monitoring of fishing areas in the south-western Atlantic and the southeastern ... Pacific includes: a set of maps of weekly mean SST and monthly mean SST; resulted maps of gradients ...
Meeting Document : WG-EMM-98/14 : Auteur(s): G.P. Vanyushin, T.B. Barkanova and A.A. Troshkov (Russia)
-
Investigations of intensity of krill drift near South Georgia Island
Abstract: Calculation of drift’s speed (transport with current) of Antarctic krill along the ... northeastern shore of South Georgia Island (between 54-55S and 34-39W) were carried out. Length of island’s ... shelf for calculation was assumed about 300 km, but average width of shelf (from shore to 500 m isobate ... ) was assumed about 60 km. Speed of drift in these spatial limits was assumed about 10 cm sec-1. The ...
Meeting Document : WG-CEMP-92/32 : Auteur(s): V.V. Popkov (Russian Federation)
-
Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 on the basis of the Soviet mesoscale surveys with Isaacs Kidd midwater trawl
Abstract: In the paper the results of the investigations on three mesoscale surveys covering wide ... area of krill between Antarctic Peninsula and South Georgia Island are considered. Surveys including ... from 158 to 202 stations were carried out by Soviet research vessels in summer-autumn periods of 1983 ... /84 and 1987/88 and in a spring period 1984/85 by a standard grid of stations according to the ...
Meeting Document : WG-EMM-98/32 : Auteur(s): V.A. Sushin and K.E. Shulgovsky (Russia)
-
A BALANCED MODEL OF THE FOOD WEB OF THE ROSS SEA, ANTARCTICA
Abstract: We present a quantitative food web of the Ross Sea as a step towards investigating ... ecosystem effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The model consolidates ... quantitative information on trophic links across all the major biota of the Ross Sea and tests for data ... consistency. The model has 38 trophic groups and is balanced in terms of annual flows of organic carbon in an ...
Meeting Document : WG-EMM-09/42 : Auteur(s): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)