Search results
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Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina
Sur de noviembre 1985 a enero 1986 como parte del programa continuo de control de la poblacion ... N. rossii y D. eleqinoides estuvieron presentes solo como pesca accidental. En capturas de muestreo se ... SHAoB. Pe3KHH POCT HHTeHCHBHoCTH nHTaHH5I Y C. gunnari 6hfJI 3aMet1eH B KOH~e BTopOH-Hat1aJIe TpeThe ... in the South Georgia area during the 1985/86 cruise of MT Carina Abstract / Description: A fish ... survey in South Georgia waters was undertaken from November 1985 to January 1986 as a part of the on ... -going fish stock monitoring program conducted by the Sea Fisheries Institute, Gdynia. Codends of two ... 249 hauls using 60 mm mesh size outside the 12 nautical mile protected zone around South Georgia ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Author(s): Kreft, K. and J. Szynaka
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
peces y de la distribución desigual del esfuerzo, tanto de colocación de marcas como de recuperación de ... pesca era ‘ideal’: ideal en este caso quiere decir que tanto el esfuerzo de marcado como el de la pesca ... , tanto en la liberación de marcas como en la recuperación posterior de las mismas, probablemente llevará ... Paper Title: Investigation of bias in the mark–recapture estimate of toothfish population size at ... South Georgia Abstract / Description: This paper investigates the influence of mixing of fish, and the ... uneven distribution of tag placements and recapture effort, on bias in the Petersen estimator of ... population size. It does so by constructing a spatial model of the South Georgia toothfish fishery ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Author(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
a restricted area on the shelf break extending from the northeast of Cumberland Bay to the east of Royal Bay ... , O ~ Y ~ ~ M K O B ~ H H ~ ~ X B C ~ U ~ U C ~ L L Y ~ C K O M 6 m n n e m e ~ e AHTKOMU. noKa3aHb1 1000 M 2000-MeTp0Bb1e ~306a~b1. PACYHOK ... W., O M ~ ~ J I H K ~ B ~ H H ~ I X B C m a r n u c m u ~ e c ~ o ~ G m n n e m e ~ e AHTKOMn. noKa3a~b1 250, 500, 1000 M 2 0 0 0 - ~ e ~ p o ~ b r e ~ 3 0 6 a ~ b l . PMCYHOK ... 3aperIlCTpHpOBaHbl YnOBbI pa3MepOM 60nbrue 3000 TOHH. 0603HaYeHkl~ CM. Ha PIlcyH~e 2. noKa3aHb1 250,500, 1000 H 2000 ... Paper Title: Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed ... distribution around South Georgia Abstract / Description: Analyses of the distribution of krill fishing based ... on fine-scale (0.5 o latitude x 1 o longitude) data show that harvesting in the Scotia Sea has been ... mainly in shelf and shelf-break areas on the northern side of the Scotia Arc. Regional analyses reveal ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Author(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
°30’E), approximately 450 n miles north of the tagging site. Two of the six fi sh had no immedi ... y capturados posteriormente en el Estrecho de McMurdo se muestran como líneas con diamantes en los extremos ... micrografías con respecto a la sección entera del otolito se muestra como un rectángulo blanco (c). Las ... annually in the otoliths of this species. However, no evidence to validate this assumption has previously ... Paper Title: Evidence to support the annual formation of growth zones in otoliths of Antarctic ... the Ross Sea (CCAMLR Subarea 88.1) have been aged assuming that one translucent zone is formed ... been presented. In the current work, otoliths from four distinct juvenile length-frequency modes were ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Author(s): Horn, P.L., C.P. Sutton and A.L. DeVries
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Estimating optimal observer coverage in the Antarctic krill fishery
ligeramente inferior a la varianza entre lances. Sin embargo, la proporción es tan cercana a 50% como para ... inferir que se requiere un muestreo eficiente tanto a nivel de barco como de lance. Se propone que la ... aplicarse por lo menos durante cuatro años para que el Comité Científico tenga suficientes datos como para ... Paper Title: Estimating optimal observer coverage in the Antarctic krill fishery Abstract ... / Description: Data collected as part of the CCAMLR Scheme of International Scientific Observation from ... components analysis (VCA) to determine the relationship between observer coverage and our ability to reliably ... estimate parameters of interest, in this case the mean (or median) krill length and the rate of larval fish ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Author(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards
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Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)
un crucero con el PAM Tierra del Fuego, de 43 dias de duracibn, como Proyecto de Pesquerias Nuevas ... sardina (Sardinops sagax) y calamar (Illex argentinus). Como resultado de la investigacibn se determin6 ... system) were used for the operation, with variable quantities of fish hooks (1 440 to 4 320), No. 9 ... Paper Title: Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1 ... del Fuego was conducted as part of the New Fisheries Projects developed by Chile, primarily to ... establish the presence of Dissostichus spp. in Subareas 48.1, 48.2 and 88.3. Industrial longlines (Spanish ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Author(s): Arana, P.M. and R. Vega
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Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01
. The echosounder was calibrated using standard targets at Stromness Bay, South Georgia, on 24 December 2000 ... at Stromness Bay on 24 December 2000 (during the mid-season survey) using standard spheres. Calibration data ... au milieu de la saison, de 7,8 g m-2. Nos campagnes d’évaluation multiples en Géorgie du Sud ont ... are shown in Figure 1. The early- and late-season surveys were de- signed to take just 48 hours on site ... midseason survey revealed no significant difference in the mean krill density derived from only those four ... acoustic surveys of Antarctic krill (Euphausia superba) were conducted around South Georgia in the 2000/01 ... March 2001 (late-season). The surveys were the first in a newly planned five-year series of observations ... designed to complement and extend an existing time series regularly maintained by the British Antarctic ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Author(s): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst
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CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island
area se pueda detectar en estos datos. Los porcentajes de "Egui" como un indicador del verdor del ... Paper Title: CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the ... there was a marked change in two kinds of CPUEs, body length and greenness of krill during the fishing ... season, these parameters were examined for each 10-day period of the Japanese krill fishery in the ... northern waters of Livingston Island in the 1987/88 season. It appears that Japanese trawlers have not ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Author(s): Endo, Y. and T. Ichii
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Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean
independientes. De los valores obtenidos, las medias se tomaron como las mas fiables. Estas fueron 0.38, 0.36 ... Paper Title: Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the ... Indian sector of the Southern Ocean Abstract / Description: The rate of natural mortality of grey ... rockcod (Notothenia squamifrons) on the Ob and Lena Banks and the Kerguelen Shelf were determined using ... three independent methods. From the values obtained the means were taken to be the most reliable. These ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Author(s): Zaitsev, A.K.
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Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning
operations tend to occur at the site (pica) scale, whereas fisheries catch data may be reported ... distribution of catches. However, assigning individual catches to bioregions would require site (pica) scale ... . Warner. 2003. Ecological criteria for evaluating candidate sites for marine reserves. Ecological ... Micro-scale 10s of km Local units Pica-scale <10 km Sites 11 Spatial management, krill catch ... conservation planning for developing marine spatial protection includes analysis of the spatial distribution of ... fishing activities, existing management and ecological characteristics. This paper assesses the overlap ... between habitat (bioregion), existing spatial management and Antarctic krill catch in the Southern Ocean ... . The analysis required standardised information on the location and extent of spatial fisheries ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Author(s): Grant, S.M., S.L. Hill and P.T. Fretwell