Resultados de la búsqueda
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Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish
Paper Title: Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea ... counted in estimates of total fishing removals or otherwise accounted for in stock assessment models. The ... mortality resulting from the loss of sections of bottom longline gear in the Ross Sea region and Subarea ... unaccounted fishing mortality from lost lines in these fisheries is provided. These estimates suggest that on ... construction of fishing gears are de- signed to be stable in seawater and may retain their structural ... hook loss rates and absolute num- bers occurring in particular localised cells (de- tailed in Figure 4 ... pr op or tio n w as de riv ed is sh ow n in p ar en th es is . G ea r t yp e ... the loss of sections of bottom longline gear in the Ross Sea region and Subarea 88.2 Antarc- tic ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Autor(es): Webber, D.N. and S.J. Parker
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A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in relation to the latitudinal zonation of the Southern Ocean
Paper Title: A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in ... the RV Vozrozhdenie (VNIRO, USSR) in March/April 1990 an integrated study survey was conducted in the ... Southern Atlantic along two meridional transects at 17° and 20°W in the latitudes from 37°30' to 55°30 ... of E. carlsbergi were analysed by length composition, sex ratio and maturity stages in relation to ... de la campagne du navire de rechercheVozrozhdenie (VNIRO, URSS) en mars/avriI1990, une campagne ... , entre les latitudes de 37°30' et 55°30'S. La campagne d'etude etait principalement axee sur un examen ... de la repartition d'Electrona carlsbergi adulte et en etat de preponte ainsi que sur la recherche ... des frayeres potentielles de l'espece. Durant la campagne d'etude, les zones suivantes, possedant ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Autor(es): Zemsky, A.V. and S.A. Zozulya
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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 ... . Les plus grands sites de parturition se trouvent a l'lle Telmo et au Cap Shirreff, sur la cote nord ... de l'lle Livingston. La production totale d'otaries nouveau-nees dans les lIes Shetland du Sud en ... au cours de la prospect ion sont presentees. Les sites optimums suivants sont recommandes pour des ... controle de l'ecosysteme de la CCAMLR: l'lle des Phoques, lIe Elephant; Stigant Point, lIe du Roi George ...
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
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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 ... in studies off the South Orkneys and Elephant Island in March 1990. Back-scattering strengths at 120 ... factor used at the Post-FIBEX Acoustic Workshop in 1984. Resume Les differences d'intensite de ... moyenne a ces deux frequences. Les resultats concordent bien avec de recents travaux experimentaux sur la ... facteur de conversion de la reponse acoustique de 120 kHz-a-50kHz utilise a l'Atelier acoustique Post ... ), al emplear frecuencias de 38 y 120 kHz y considerando las diferencias en la potencia media de ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Autor(es): Hampton, I.
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Fish stock assessment survey in Subarea 48.3
Paper Title: Fish stock assessment survey in Subarea 48.3 Abstract / Description: A demersal ... fish survey in the vicinity of South Georgia, CCAMLR Subarea 48.3, is described. Details are given of ... important commercial species in the area, Champsocephalus gunnari, is shown to have undergone a major ... mortality. Resume Description d'une campagne d'evaluation des poissons demersaux aux environs de la ... Georgie du Sud, sous-zone 48.3 de la CCAMLR. Precisions sur la position des chalutages, les taux de ... capture et la composition en taille des captures. 11 est revele que le stock existant de l'une des ... considerable par comparaison aux resultats de la saison 1989/90. D'autres especes ne paraissent pas presenter ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Autor(es): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski
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Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean
Paper Title: Areas of seabed within selected depth ranges in the South-West Atlantic and ... sous forme de tableau pour les sous-zones de la FAO: 48.1 (Est), 48.1 (Ouest), 48.2, 48.3, 48.4, 48.5 ... renseignements detailles ont ete presentes pour les subdivisions 50, 51, et 52 de la sous-zone 48.3. Resumen ... . Se presento informacion detallada adicional para las subdivisiones 50, 51 Y 52 de la sub-area 48.3 ... profondeur specifiees. L'absence de chiffre indique que la zone a ete incorporee dans l'echelle de plus ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Autor(es): Everson, I.
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Midwater trawl catchability in relation to krill and possible ways of assessing gross catch
Paper Title: Midwater trawl catchability in relation to krill and possible ways of assessing ... the basis of data obtained from AtlantNIRO expeditions from 1983 to 1990 in the Scotia Sea. A ... midwater trawls in the krill fishery indicates that the potential exists for this efficiency to be ... partir de donnees provenant de campagnes AtlantNIRO de 1983 a 1990 dans la mer du Scotia. Une ... resultats de 250 traits effectues par un chalut de type 72/308. La capturabilite a ete calculee a l'aide de ... pelagiques dans la pecherie de kriU pourrait etre accrue. Pe3IOMe IICCJ1e,llOBaHIHI Y J10BI1CTOCTI1 ... traves de los cabos y pafio de la red, asi como la probabilidad de que este entre en contacto con otras ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Autor(es): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov
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Trends in population size and breeding success at colonies of macaroni and rockhopper penguins, Marion Island, 1979/80–1995/96
Paper Title: Trends in population size and breeding success at colonies of macaroni and ... penguin colonies investigated decreased in size over the study period, while the other two remained stable ... . The only significant relationship between inter-season trends in the number of pairs breeding at the ... period, while the other remained stable. Trends in the number of pairs breeding at the three rockhopper ... l'ile subantarctique Marion de la reussite annuelle de la reproduction des gorfous macaroni (Euclyptes ... & Sur les trois colonies de gorfous macaroni etudiees, la plus grande a diminue de taille pendant la ... duree de la periode d'etude alors que les deux autres sont restees stables. La seule relation ... pendant la duree de la periode d'etude, alors que la troisieme est restee stable. Les tendances dans le ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 89–103 : Autor(es): Cooper, J., A.C. Wolfaardt and R.J.M. Crawford
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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
fishery in the South Shetland Islands and Antarctic Peninsula Abstract / Description: CCAMLR has been ... using the total catch of krill taken within 100 km of penguin colonies in their breeding season ... distribution of the krill fishery in Subarea 48.1 (South Shetland Islands). As this index has proven unsuitable ... been decreasing since 1988. Resume La CCAMLR utilise la capture totale de krill dans un rayon de ... repartition de la pGcherie de krill dans la sous-zone 48.1 (iles Shetland du Sud). Cet indice s'etant rkvelk ... ces deux consommateurs de la ressource de krill, est fond6 sur un modele precis des habitudes ... chevauchement de la pGche et des manchots a jugulaire est nettement plus important que celui de la p&che et des ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Autor(es): Agnew, D.J. and G. Phegan
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By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in Statistical Area 58 (January to March 1995)
Paper Title: By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in ... . Unfortunately, Armstrong's fish by-catch data were not presented in a standardised manner. This paper ... variances are calculated from the delta distribution. In numbers, an average of about 14 fish were caught ... per tome of krill, and an average of about 25 fish were caught per hour of towing. In weight, an ... obtained by finding the roots of the following function: - sup in ~ ( x ; p, h, K') h = ln (de la ... variances sont calculkes ?I partir de la distribution delta. En moyenne, la capture s'elevait a environ 14 ... d'echantillonner davantage de chalutages en vue d'y examiner la capture accessoire. La proportion de chalutages ... pour I'observation de la capture accessoire de poissons. Les donnees de capture accessoire du Chiyo ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 111–123 : Autor(es): Watters, G