Résultats de la recherche
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Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery
15-20 m behind the vessel and about 10 m broadside of the water entry point of the hook line and ... seabed between the first and last hooks in a set of 100-360 baskets would be 8.3-30 km respectively ... distance between the stern of the vessel and the water entry point of the line - about 15 m - must be ... the In Sung 66 was 1/95 hooks, or 1 /30 S; weight pull- backs occurred about every 8 s. Hook-ups and ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Auteur(s): Robertson, G.G
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
consider only those fish greater than or equal in total length to 30 cm. This group is composed of ... been measured and which were 30 cm or greater in total length: males: total mass = 0.001322.L,"J5 ... (SC-CAMLR, 1997). These have the advantage that they provide a graphical form that clearly indicates ... South Georgia (Antarctica). Mar. Ecol. Prog. Ser., 108 (1-2): 43-57. Love, R.M. 1988. The food fishes ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Auteur(s): Everson, I. and K.-H. Kock
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
podrian ser las coilsecuencias incidentales de las pesquerias e n un ecosistema? (ii) jc~15les deberian ... ser 10s objetivos de conservaci611 para los depredadores de las especies explotadas? y (iii) jcu5les ... established to assist with such classification (IUCN, 1994). While these may be the last form of protectioi ... 20-30 years, wl~ich is the critical period over which the system should not be irreversibly changed ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Auteur(s): Constable, A.J
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Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations
of each method of sampling krill, i.e. with nets (for historical time series, demographic information ... and live krill), acoustics (distribution, time series, biomass and swarm-scale information), the ... series, demographic indices). Each data source has caveats and more efforts to combine them are ... and adopted some form of stratification of effort so that the geographic extent of krill habitat in ... form of the predator’s functional response, indicating how consumption rate changes relative to prey ... , by exploring the form of relationships derived by mul- tiple methods (e.g. Pauly et al., 2000 ... sampling krill, i.e. with nets (for historical time series, demographic information and live krill ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Auteur(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)
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Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996
time series. Maximum ice cover during the periods of extensive ice cover did not change. Annual curves ... ) . Foundations for Ecological Research West of the Antarctic Peninsula. A G U A n t . Res. Ser., 70: 257-272 ... Peninsula. A G U A n t . Res. Ser., 70. Hunt, G.L. 1991. Marine birds and ice influenced environments ... Ecological Research West of the Antarctic Peninsula. A G U A n t . Res. Ser., 70: 81-104. Walsh, J.J ... cubierta del hielo marino en unidades de 10Qm2/mes. Este indice puede ser utilizado en estudios de la ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Auteur(s): Hewitt, R
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A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data
sub-adult survey series that started in 2012 will provide a useful signal indicative of recruitment ... fluctuations as the time series develops, a signal which is not present in the fishery-dependent data. File ... . _______________________________________________________________ 1 The CCAMLR fishing season starts on 1 December and ends on 30 November in the following year ... 2008 to 30 November 2009 would be referred to as 2009. 41 A stock assessment model of D. mawsoni ... north fishery selectivity 10 20 30 40 50 Age Age Age ... Age Age Age 10 20 30 40 50 10 20 ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Auteur(s): Mormede, S., A. Dunn and S.M. Hanchet
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
provides the best available representation of growth in the species: L t = 70.8 (1- e- 0.308[t+ 1.10 ... ]), where L t is the pelvic length (PL) in centimetres at age t years. Applying this growth curve to the ... caudales con luz blanca transmitida demostró ser el más efectivo para visualizar claramente las bandas de ... 14 años, pero esta estimación de la longevidad debe ser considerada como una subestimación debido a ... ) reach about 30–35 cm total length at age 2+ (Horn, 2002), compared with A. georgiana which grows to ... than 30 cm) would considerably aid the interpretation of early band formation near the apex of thorns ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Auteur(s): Francis, M.P. and C. Ó Maolagáin
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Quantifying movement behaviour of vessels in the Antarctic krill fishery
nations, but were less clear. The study suggests the movement trends for Japanese vessels could form the ... study suggests the movement trends for Japanese vessels could form the basis for describing a ... of each haul, assuming 60 n miles for one degree latitude and 30 n miles for one degree longi- tude ... . The range of area considered in this paper was between 50°S–70°S and 70°W–30°W. Catch rates (Cn/tn ... been made within a 30 n mile radius by the total number of haul pairs. For this calculation, travel ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Auteur(s): Kawaguchi, S. and S.G. Candy
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Some thoughts on precautionary measures for the krill fishery
recruitment and predator food demand (SC-CAMLR, 1994). In this form the model has been used to provide an ... energy budgets. The krill yield model in this form has been used to provide advice on the ... evidence to indicate that within Area 48 there is some form of linkage between all the subareas. The ... catching process is required to be collected and submitted to CCAMLR in a summarised form. These data are ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Auteur(s): Everson, I. and W.K. de la Mare
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Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
) calculado como el CPUE medio referido a ese tiempo. Las capturas totales permisibles pueden ser aumentadas ... hayan sido inferiores al objetivo de 0.75 CPUEref, este aumento puede ser suspendido 0 revocado en ... acumuladas deberan ser 10 mas voluminosas posible, sin que exista una gran probabilidad de que se necesite ... options. (ii) The form of the management procedure, the basis for testing it, and the specification of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Auteur(s): Butterworth, D.S.