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.)
/ Description: Southern elephant seal, Miroung a leonina, populations at Península Valdés (Patagonia) and 25 ... intrinsic population growth rate is positive. In 1982, at Stranger Point, a sharp decrease of the female ... both places, the intrinsic population growth rate is positive. In 1982, at Stranger Point, a sharp ... these populations. Les populations d'elephants de mer du Sud, Mirounga leonina, a Peninsula Valdes ... 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
-
CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island
there was a marked change in two kinds of CPUEs, body length and greenness of krill during the fishing ... fished krill concentrations to the extent that a decrease in krill biomass in this area can be detected ... . Ichii Abstract In order to identify whether or not there was a marked change in two kinds of CPUEs ... 1 a-day period of the Japanese krill fishery in the northern waters of Livingston Island in the ... that a decrease in krill biomass in this area can be detected from these data. The percentages of ... ete examinees pour chaque periode de 1 a jours, pendant la saison 1987/88, pour la pecherie japonaise ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Autor(es): Endo, Y. and T. Ichii
-
Revised estimates of the area of the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)
Subarea 48.3) Abstract / Description: A new South Georgia Bathymetric Dataset (SGDB) was compiled from a ... – markb@bas.ac.uk Abstract A new South Georgia Bathymetric Dataset (SGDB) was compiled from a variety of ... jeu de données bathymétriques sur la Géorgie du Sud (SGDB, pour South Georgia Bathymetric Dataset) a ... été compilé à partir de diverses sources dont la bathymétrie multifaisceaux. Ce nouveau jeu de ... données a permis de calculer la surface de fond marin (km2 <500 m de profondeur) de la sous-zone 48.3 de ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 167–175 : Autor(es): Belchier, M. and P. Fretwell
-
Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)
male fish were essentially the same. For female fish there is evidence that in 1997 a significant ... proportion, 25 to 43%, of sexually mature fish were not coming into spawning condition. This introduces a ... MATURITY OF PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) I. Everson and A. Murray British Antarctic ... the same. For female fish there is evidence that in 1997 a significant proportion, 25 to 43%, of ... sexually mature fish were not coming into spawning condition. This introduces a bias leading to the ... phenomenon are discussed. Resume Analyses de la taille a la maturite sexuelle d'echantillons de legine ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Autor(es): Everson, I. and A.W. Murray
-
Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)
/ Description: We used the otoliths from a sample of Dissostichus eleginoides pre-recruits, whose length ... estimated from reading otoliths in a goodness-of-fit test. The majority of the otoliths (83.6%) were ... Cambridge CB3 0ET, United Kingdom Abstract We used the otoliths from a sample of Dissostichus eleginoides ... on length, and compared with ages estimated from reading otoliths in a goodness-of-fi t test. The ... cohorts separated by one year. Résumé À partir des otolithes d’un échantillon de pré-recrues de ... Dissostichus eleginoides dont la densité était nettement polymodale, nous avons cherché à déterminer si les ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Autor(es): Ashford, J., C. Jones, S. Bobko and I. Everson
-
Cephalopod research in the Antarctic
Paper Title: Cephalopod research in the Antarctic Abstract / Description: Cephalopods are a ... relations of cephalopods and a central reference collection of Antarctic cephalopods should be established ... . Rodhouse (United Kingdom) Abstract SC-CAMLR-VI/BG/ll Cephalopods are a major component of the ... should be concentrated on population biology and trophic relations of cephalopods, and a central ... chaine trophique marine en Antarctique et il parait inevitable qu'ils feront a l'avenir l'objet d'une ... inevitable que fueren objeto de una explotacion comercial futura. Se °esta llevando a cabo una ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Autor(es): Rodhouse, P.G.
-
Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas
the expected rate of recovery relative to rates of fishing. A simulation model based on a ... such measures be based on the expected rate of recovery relative to rates of fishing. A simulation ... model based on a probabilistic recruitment function was developed to provide long-term projections of ... ~ sur une fonction de recrutement probabiliste a ~te mis au point afin de fournir des project.ions a ... una funcion probabilistica de restablecimiento para proporcionar proyecciones a largo plazo de la ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Autor(es): Hennemuth, R.C., K.D. Bisack and G. Duhamel
-
Consideration of major issues in ecosystem monitoring and management
fishing and predator foraging. The CCAMLR Ecosystem Monitoring Program (CEMP) provides a good framework ... means of CEMP. The overlap between fishing and predator foraging is being monitored. A mechanism for ... . The CCAMLR Ecosystem Monitoring Program (CEMP) provides a good framework within which to investigate ... between fi shing and predator foraging is being monitored. A mechanism for bringing these various ... , leurs interactions et la manière dont leurs populations varient à l’état naturel. Le modèle de ... rendement du krill (KYM) tient compte des interactions à grande échelle. Celles à plus petite échelle sont ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Autor(es): Everson, I
-
Management and uncertainty: the example of South Georgia
. From an examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a ... (including the effects of doing nothing) could provide a procedure for providing advice that could cope with ... MANAGEMENT AND UNCERTAINTY J. A. Gulland (U.K ... examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a comparison of ... (including the effects of doing nothing) could provide a procedure for providing advice that could cope ... relatives a l'amenagement de la peche sont souvent prises dans un climat d'incertitude pour ce qui est des ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Autor(es): Gulland, J.A.
-
The utilization of seabird censuses for krill monitoring
: The possibility of using bird observations made at sea as a means of monitoring krill in the Antarctic ... krill abundance. A vector close to multi-normality was obtained, thus suggesting that refinements of the ... possibility of using bird observations made at sea as a means of monitoring krill in the Antarctic ocean is ... krill abundance. A vector close to multi-normality was obtained, thus suggesting that refinements of ... la composition des especes, lies a trois niveaux de l'abondance de krill. Un vecteur proche de la ... multi-normalite a ete obtenu, suggerant ainsi qu'un affinement de la technique permettra de distinguer ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Autor(es): Marschoff, E.R., J.G. Visbeek and L.R. Fontana