Résultats de la recherche
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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
Paper Title: Revised estimates of seabed areas within the 500 m isobath of the South Orkney ... Abstract / Description: A revised bathymetric map of the South Orkney Islands (Subarea 48.2) was generated ... using several integrated bathymetric databases and newly available acoustic seafloor data. The region ... extends between 60.2 o-62.2 o S latitude and 42.5 o-47.5 o W longitude. From the integrated datasets ... continuously collected acoustic measurements from the 1999 US AMLR bottom trawl survey (Table 1). Because no ... REVISED ESTIMATES OF SEABED AREAS WITHIN THE 500 M ISOBATH OF THE SOUTH ORKNEY ISLANDS (SUBAREA 48.2) AND ... Resources Program PO Box 271, La Jolla, Ca. 92038, USA Abstract A revised bathymetric map of the South ... available acoustic seafloor data. The region extends between 60.2"-62.2"s latitude and 42.5O47.5"W ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Auteur(s): C.D. Jones
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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
Paper Title: Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the ... paper, I show how data that are routinely collected by survey vessels can be used to estimate the number ... of concentrations of krill (Butterworth, 1988; Mangel, 1988) in a given region of the Southern Ocean ... . Sample computations are performed, using data collected by Soviet research/survey vessels in the early ... concentrations, there is no indication in the data of the type of movement, as described above, or whether the ... time, but there is no way to tell if this is true (or what the operations were) from the logbooks ... of the region being searched. Using the methods described in this paper, no inferences can be made ... WS-KCPUE-89/6 ANALYSIS AND MODELLING OF THE SOVIET ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Auteur(s): Mangel, M.
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Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys
Paper Title: Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by ... acoustic surveys Abstract / Description: Acoustic surveys carried out in the summer and autumn of 1987 ... -1989 estimated the biomass of myctophids in the Atlantic sector of the Southern Ocean between 48° and ... 56° and from 8° to 48°W to be approximately 1.7x10 6 tonnes. Over the greater part of the surveyed ... were found spread more to westward than in 1988. In 1989 no concentrations were found in the Frontal ... WG-FSA-90/19 BIOMASS OF MYCTOPHIDS IN THE ATLANTIC ... SECTOR OF THE SOUTHERN OCEAN AS ESTIMATED BY ACOUSTIC SURVEYS A.A. Filin, K.V. Gorchinsky and V.M ... . Kiseleva* Abstract Acoustic surveys carried out in the summer and autumn of 19g7 -19g9 estimated the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Auteur(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva
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A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey
the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey Abstract / Description ... : A probabilistic Bayesian Maximum Entropy (MaxEnt) technique was used to estimate the abundance of ... Antarctic krill (Euphausia superba) across the Scotia Sea using data from the CCAMLR 2000 Krill Synoptic ... Survey of Area 48 (CCAMLR-2000 Survey) and to map the density distribution of krill across the survey ... - 2000 Survey. There is in principle no mathematical transform that can be applied to the data that will ... fishery acous- tic surveys, there is no need for such complication, since both the data and the image ... . The estimates generated by the two methods dif- fered by no more than 1%. In addition, since the ... scaling factor (the rate of change of the blurring width) was found to have almost no effect on the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Auteur(s): Heywood, B.G., A.S. Brierley and S.F. Gull
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Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90
Paper Title: Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea ... 48.2) during 1989/90 Abstract / Description: The results of an analysis of haul-by-haul catch ... statistics from the Soviet krill fishing fleet during the 1989/90 season (sample of 3 614 hauls for the ... period from 1 November 1989 to 12 June 1990) are presented. During the season, fishing vessels worked one ... operation. In particular, until now no publications have been available that document the distribution of ... required. Short-term target tows were rare since there were no reliable sonars on the Soviet vessels ... THE SOVIET KRILL FISHING FLEET IN THE SOUTH ORKNEYS AREA (SUBAREA 48.2) DURING 198911990 V.A ... St. Kaliningrad 236000, Russia Abstract The results of an analysis of haul-by-haul catch ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Auteur(s): Sushin, V.A
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On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611
Paper Title: On the presence of Paralomis spinosissima and Paralomis formosa in catches taken ... during the Spanish survey Antártida 8611 Abstract / Description: This paper provides information on ... Antarctic crabs obtained during the 1986 Spanish survey ANTARTIDA 8611, which covered the shelf around all ... the archipelagos in the Scotia Sea. A total of 345 hauls was conducted, of which 29 took place around ... CCAMLR Science, Vol. 1: 165-173 ON THE PRESENCE OF ... PARALOMIS SPINOSISSIMA AND PARALOMIS FORMOSA IN CATCHES TAKEN DURING THE SPANISH SURVEY A N T A R T ' A ... information on Antarctic crabs obtained during the 1986 Spanish survey ANTARTIDA 861 1, which covered the ... shelf around all the archipelagos in the Scotia Sea. A total of 345 hauls was conducted, of which 29 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Auteur(s): López Abellán, L.J. and E. Balguerías
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Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands
Paper Title: Histological study on the ovarian development of mackerel icefish (Champsocephalus ... gunnari) from the South Georgia Islands Abstract / Description: A histological analysis was carried out ... on ovarian development in Champsocephalus gunnari caught by the RV Dr Eduardo L. Holmberg in the ... using microscopes (microscopical scale) was elaborated and adapted to correspond with the macroscopic ... indicates that no immature elements are incorporated into the cohort of yolky oocytes that will be ... O N THE OVARIAN DEVELOPMENT OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARn FROM THE SOUTH GEORGIA ... histological analysis was carried out on ovarian development in Charnpsocephalus gunnari caught by the RV Dr ... Eduardo L. Holrnberg in the South Georgia and Shag Rocks areas in February and March 1994. Six phases of ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Auteur(s): Macchi, G.J. and E.R. Barrera-Oro
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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 ... Antarctic Peninsula regions of the Southern Ocean Abstract / Description: Data were tabulated for FAO sub ... these categories. Areas estimated from admiralty charts were expressed as percentages for the following ... . there is no overlap in the area measured). * I. Everson, Areas of Seabed within Selected Depth Ranges ... SELECTED DEPTH RANGES IN THE SOUTH-WEST ATLANTIC AND ANTARCTIC PENINSULA REGIONS OF THE SOUTHERN OCEAN 1 ... estimated from admiralty charts were expressed as percentages for the following depth ranges : 0-50, 50 ... estimadas en base a cart as de almirantazgo fueron expresadas como porcentajes para 10s siguientes rangos ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Auteur(s): Everson, I.
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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
relation to the latitudinal zonation of the Southern Ocean Abstract / Description: During the cruise of ... 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 ... 'S. The survey was mainly focussed on studies of distribution of adult and pre-spawning Electrona ... ! como individuos en distintas fases de maduracion gonadal. 1. AIMS AND TASKS The search for new ... equal numbers, occur in the southern part of the S AZ (haul No. 58). Females with fourth and fifth ... this zone (e.g., one specimen with third stage gonads was found in haul No. 50). In addition to the ... CARLSBERGI (TANING, 1932) AREA OF HABITAT IN RELATION TO THE LATITUDINAL ZONATION OF THE SOUTHERN OCEAN ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Auteur(s): Zemsky, A.V. and S.A. Zozulya
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An assessment of the impact of krill fishery on penguins in the South Shetlands
Paper Title: An assessment of the impact of krill fishery on penguins in the South Shetlands ... Abstract / Description: An assessment of the competition between the Japanese krill (Euphausia superba ... ) fishery and penguins during the penguins' breeding season (December to March) in the South Shetland ... Islands (Subarea 48.1) was made based on available information on the fishery, penguins and krill. The ... . Due to the lack of data, no account is taken of temporal changes in foraging intensity for each ... Agnew (1992). The largest colonies o f chinstraps are located in the areas where little or no ... or space for nest sites. According to the sea-ice maps (Zwally et al., 19831, Low Island is located ... CCAMLR Science, Vol. 1: 107-128 AN ASSESSMENT OF THE ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Auteur(s): Ichii, T., M. Naganobu and T. Ogishima