Resultados de la búsqueda
-
Observations on haul-out patterns and trends in the breeding populations of southern elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo - King George I.)
Paper Title: Observations on haul-out patterns and trends in the breeding populations of southern ... elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo- King George I.) Abstract ... de Mayo-King George I. were studied during the breeding season from 1979 to 1987. Two main objectives ... were taken into consideration: haul-out pattern and the female population trend. In both places, the ... . Metodo indirecto para la estimacion de la tasa de natalidad en Mirounga leonina. In press (Physis ... (Patagonie) et 25 de Mayo-TIe du Roi George ont ete etudiees au cours de la saison de reproduction de 1979 ... a 1987. Deux object ifs principaux ont ete consideres : les caracteristiques de la venue a terre ... et les tendances de la population feme He. A ces deux endroits, le taux intrinseque de croissance ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Autor(es): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli
-
A declining trend in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons observed in fjords in two sites in the South Shetland Islands
, King George/25 de Mayo I., over a period of eight years from 1983 to 1990 and in waters around Half ... Paper Title: A declining trend in the abundance of Notothenia rossii marmorata and Notothenia ... gibberifrons observed in fjords in two sites in the South Shetland Islands Abstract / Description: A declining ... trend observed in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons in fjords in ... que existe en el esfuerzo pesquero empleado en la toma de muestras por este metodo, el amHisis ... stocks due to commercial exploitation in the area in the early 1980s. Resume La tendance au declin ... Half-Moon, baie Moon, en 1989. L'analyse etait basee sur la proportion de captures des especes ... et de N. gibberifrons proportionnellement aux captures de N. neglecta. Une pareille tendance a la ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 263–274 : Autor(es): Barrera-Oro, E. and E. Marschoff
-
Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
Paper Title: Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77 ... -1986/87 Abstract / Description: The swept area method was used to estimate biomass density changes in ... georgianus, Notothenia gibberifrons and Notothenia rossii marmorata) in the South Georgia area in the seasons ... 1976/77-1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in about 1 ... . La methode de l'aire balayee a ete utilisee pour estimer les changements de densite de la biomasse ... , Pseudochaenichthys georgianus; Notothenia gibberifrons et Notothenia rossii marmorata) dans la zone de la Georgie ... portaient sur une couche proche du fond et couvraient environ 1/6 de la superficie du plateau de l'ile ... . Les resultats d'evaluation indiguent des variations considerables dans la densite de la biomasse ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Autor(es): Mucha, M. and W. Ślósarczyk
-
By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
Paper Title: By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia ... superba Dana) fisheries in the South Georgia area, in 1992 Abstract / Description: This paper discusses ... an investigation of juvenile Antarctic fish caught during krill fishing by the FV Grigory Kovtun in ... the area around South Georgia from May to July 1992. Two species were predominant in the by-catches ... sur l'etude des juveniles de poissons antarctiques captures au cours de la p6che de krill par le ... navire FV Grigoy Kovtun dans le secteur de la Georgie du Sud de mai B juillet 1992. Deux espPces ... . larseni, les moyennes respectives etaient de 557 + 103 et 1 388 + 248. La longueur moyenne standard de C ... . La croissance moyenne de N. larseni est estimee 2 0,08 mm/jour. Les juveniles d'Euphausia superba ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Autor(es): Pakhomov, E.A. and S.A. Pankratov
-
Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999
Paper Title: Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish ... commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999 Abstract ... / Description: The distribution and internal structure of commercial krill concentrations were investigated in ... the areas of the South Shetland, Elephant, South Georgia and South Orkney Islands in the spring and ... ke n in th e va ri ou s ar ea s of th e So ut hw es t A tl an ti c se ct or o ... Étude de la distribution et la structure interne des concentrations commerciales de krill dans les ... secteurs des îles Shetland du Sud, Éléphant, de la Géorgie du Sud et des Orcades du Sud pendant les ... printemps et étés de 1997 à 1999. La densité des concentrations variait en fonction du secteur et de la ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Autor(es): Jackowski, E
-
A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
Paper Title: A review of data on abundance, trends in abundance, habitat use and diet of ice ... -breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract ... / Description: The development of models of marine ecosystems in the Southern Ocean is becoming increasingly ... . Collating data from disparate sources, and understanding biases or uncertainties inherent in those data, are ... Science, Vol. 19 (2012): 49–74 49 A REVIEW OF DATA ON ABUNDANCE, TRENDS IN ABUNDANCE, HABITAT USE AND ... DIET OF ICE-BREEDING SEALS IN THE SOUTHERN OCEAN C. Southwell* Australian Antarctic Division ... . Stewart Hubbs-SeaWorld Research Institute 2595 Ingraham Street San Diego, CA 92109 USA P. Trathan ... of models of marine ecosystems in the Southern Ocean is becoming increasingly important as a means ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Autor(es): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan
-
Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000
Paper Title: Characteristics of krill aggregations in the South Sandwich Islands subarea in ... February 2000 it was observed that krill was present in non-aggregated and scattered forms, as well as in ... swarms. Differences between spatial distribution patterns of different krill aggregation forms in ... characteristics of some 2 400 krill swarms detected in the study area were sized acoustically and are described in ... . Pa ra m et er T ra w l 72 / 30 8 V er ti ca l o pe ni ng (m ) 35 H or iz on ta l o ... a nd b io m as s in S ub ar ea 4 8. 4. C ha ra ct er is ti cs o f D en si ty ... natural (g m-3). Figura 5: Situación geográfi ca de los caladeros de pesca sobre la base de los ... campagne d’évaluation de la sous-zone 48.4, du 17 janvier au 1er février 2000, il est apparu que, parmi le ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Autor(es): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
-
Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)
Paper Title: Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic ... commercial fleet on the krill population in different months during the 1987 to 1990 fishing seasons within ... on the krill population – on biomass and the density of krill aggregated in the fishing grounds – was ... PU E – m ea n ca tc h pe r ho ur o f tr aw lin g us in g th e st an d ar d f ... ss R em ov al In te ns it y Pr op or ti on o f A va ila bl e K ri ll R em ov ed ... te ns it y G ro ss R em ov al In te ns it y Pr op or ti on o f A va ila bl e K ... a functional overlap. Résumé Ce document présente une évaluation de l’impact de la fl ottille ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Autor(es): Kasatkina, S.M. and V.F. Ivanova
-
Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
Paper Title: Fishing ground selection in the Antarctic krill fishery: trends in patterns across ... contributors to the total catch. A recent shift in operational timing towards later months within fishing ... seasons was observed in Subarea 48.1 (December–February to March–May). However, operational timing has ... remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... to accommodate possible developments in fishing techniques. Résumé Les tendances de la sélection ... t U ni on , R us si a, U kr ai ne a nd U SA ) ac ro ss fi sh in g se as on s ... des lieux de pêche sont établies au moyen des données STATLANT et des données à échelle précise de la ... pélagiques comprises, il est apparu qu’un tiers seulement avaient contribué de manière significative à la ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Autor(es): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
-
CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
Paper Title: CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their ... possible utility for evaluation of relative changes in krill biomass Abstract / Description: Key catch-per ... -unit-effort (CPUE) indices used in Soviet krill fishery statistics, as well as the main sources of data ... fluctuations in haul duration due to the different fishing strategies used when targeting krill intended for ... la ti on o nl y w he n th e nu m be r of h au ls p er v es se l p er d ay w ... ss el ty pe a nd to ta l t ow ti m e w er e ca lc ul at ed . 10 C C s be tw ... pe a nd it s to ta l t ow ti m e w er e ca lc ul at ed . 11 C C s w er e ca ... ) utilisés dans les statistiques de la pêcherie soviétique de krill sont examinés, de même que les ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Autor(es): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov