Search results
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
algunas zonas del borde continental y de la plataforma en donde se han obtenido capturas abundantes. Si ... predator colonies. Resume Les analyses de la repartition de la p@che de krill fondees sur des donnees ... a echelle precise (0.5" de latitude x 1" de longitude) montrent que dans la iner d u Scotia ... , I'exploitation a principalement eu lieu dans les secteurs du plateau et de la bordure du plateau au nord de ... Paper Title: Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed ... 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 ... trawl statistics have been recorded in the South Georgia area. Analyses of these data show marked ...
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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Statistical power to detect changes in growth rates of Antarctic fur seal pups
correspond a la moyenne pour les femelles de 1'lIe Seal. Si la periode de pesee est limitee a environ 60 ... , la perte d'efficacite liee au fait que les echantillons de poids n'ont ete obtenus que trois fois ... controle de I'ecosysteme de la CCAMLR C1 (B). En se basant sur les estimations de variance de poids des ... protocole de la Methode standard (50 jeunes de chaque sexe, peses a quatre dates espacees de 28 jours ... 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 ...
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
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Modelling krill recruitment
W.K. de la Mare ... RECRUITMENT W.K. de la Mare Australian Antarctic Division Channel Highway, Kingston 7050 Tasmania ... L'auteur developpe une methode d'utilisation des valeurs observees de la proportion moyenne de recrues et ... de sa variance pour modeliser le recrutement, exprime en nombre de recrues, dans une population de ... krill. Cette mPthode comporte un calcul de la mortalit6 naturelle et d'autres paramPtres en rapport ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 49–54 : Author(s): W.K. de la Mare
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Estimating confidence intervals for fish stock abundance estimates from trawl surveys
de la Mare, W.K ... . Estos intervalos pueden calcularse solo si se cumple esta condition. La colurnna de abundancia promedio ... INTERVALS FOR FISH STOCK ABUNDANCE ESTIMATES FROM TRAWL SURVEYS W.K. de la Mare Australian Antarctic ... campagnes d'evaluation par chalutages menees au moyen de la m6thode de l'aire balaybe et en utilisant les ... rapports de probabilite de la distribution delta de Aitchison. Les tests par simulation de la methode ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 203–207 : Author(s): de la Mare, W.K
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Results of fish larvae sampling by means of fine-meshed samplers attached to a bottom trawl
la composition, la repartition et I'abondance des larves de poissons antarctiques dans la zone ... . L'efficacite de differentes tailles de mailles pour I'echantillonnage de larves dans la zone de fond ainsi ... que la resistance des echantillonneurs a I'endommagement au cours des operations de chalutage ont ete ... examinees. La quantite de poissons captures par des echantillonneurs construits en utilisant un filet de ... bottom trawl Abstract / Description: Fine-meshed samplers were attached to the top of a bottom trawl in ... order to provide information on the composition, distribution and abundance of Antarctic fish larvae in ... sized meshes for sampling larvae in the bottom zone and the resistance of the samplers to damage during ... , more vulnerable to damage. The nets were more effective in sampling when attached to the top of the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 69-86 : Author(s): Ślósarczyk, W. and I. Wójcik
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
determinar si 10s indicadores de reduccion pueden utilizarse para estimar la abundancia de centollas cuando ... 271 San Diego, Ca. 92038, USA Current address: Inter-American Tropical Tuna Commission 8604 La ... Jolla Shores Drive La Jolla, Ca. 92037, USA Abstract Data collected on board the FV American ... phases 1 et 2 de la pcche experimentale de crabes ont 6te analysees par des modi.les "extensibles ... regressions were probably a result of small catches, inter-haul variability in CPUE, and crab movement and ... their release sites. Density estimates from the mark-recapture data were in the order of 50 000 to 100 ... estimates. In general, the experimental harvest regime was successful. The regime provided important ... information about crab distribution and facilitated evaluation of local depletion estimators for use in stock ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Author(s): Watters, G
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
) que la estimacion de Everson, si bien 10s cambios del Area se relacionan especificamente con el ... PO Box 271, La Jolla, Ca. 92038, USA Abstract A revised bathymetric map of the South Orkney ... disponibles depuis peu. La region est comprise entre 60.2"-62.2'5 de latitude et 42.5O47.5OW de longitude ... m (C.-&-d. de 0 a 500 m) sont calcul6es par intervalles de 50 m de profondeur. Les calculs de la surface ... 250-500 m depth intervals. The updated estimates are about 1 424 (20%) n miles larger in area within ... the 50-500 m isobaths than Everson's estimates, though changes in area are specific to the depth ... interval. There is a corresponding change in estimated biomass within strata when these areas are ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Author(s): C.D. Jones
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Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season
comercial y se describio en detalle la operacion en si. El "Fish-finder" ("Localizador de peces") fue de ... -- 1° de Eebrero) . 'l'rayec tor ia de la expedici6n (2 de Eebrero -- 16 de marzo ) . B03MOZHwe cnoc06w ... sonar a servi a estimer la direction de chalutage. La taille des bancs peches aUait de 100 m a 10 km ... , la repartition variant selon le secteur de peche. Alors que la prise par temps de chalutage reflete ... operations were observed on board a commercial vessel and the actual operation described in detail. ‘Fish ... -finder’ was most useful in detecting swarms, while sonar was used to judge the towing direction. The size ... of fished swarms ranged from 100 m to 10 km with different distributions occurring in different ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Author(s): Ichii, T.
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Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989
toneladas por milIa cuadrada, y se ha calculado que la biomasa total de krill en el Territorio de Wilkes es ... la biomasse de krill (Euphausia superba Dana) effectuees le long de la cote de la Terre de Wilkes ... de 1986 a 1989 sont presentes dans ce document. Les campagnes ont tout particulierement porte sur la ... , l'un d'eux menant des activites de peche commerciale de krill. La totalite de l'aire couverte par la ... Paper Title: Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in ... surveys carried out along the Wilkes Land coast from 1986 to 1989 are presented in the paper. The surveys ... involved in the survey with one vessel conducting commercial krill fishing. The whole survey area from the ... account an area to the north of the edge of the continental slope. Each subarea was described in terms of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Author(s): Dolzhenkov, V.N. and V.P.Timonin
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Selectivity parameters for Notothenia gibberifrons Lönnberg, 1905 and Champsocephalus gunnari Lönnberg, 1905 obtained during “8611 ANTARCTICA [ANTARTIDA]” expedition
for Notothenia gibberifrons and 3.10 for Champsocephalus gunnari. Resume Des experiences sur la selectivite ... du maillage pour plusieurs especes de poissons ont ete effectuees au cours de la campagne d'etude ... espagnole "ANTARTIDA 8611", utilisant la technique du cui de chalut couvert. CeUe communication presente ... pour Notothenia gibberifrons et de 3.10 pour Champsocephalus gunnari. Pe3IOMe B TelleHHe ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 87-105 : Author(s): Balguerías, E.