Resultados de la búsqueda
-
Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments
these data. The bulk of the data show that fish disperse only a very short distance, up to 15 n miles in ... concentration of effort should also result in a high probability of detecting fish movements between grounds, if ... as moving a long distance, and thus provide contradictory evidence. Three fish moved from ground B of ... in the grounds. One fish has been recorded as moving from ground A to Kerguelen and was at the upper ... that fi sh disperse only a very short distance, up to 15 n miles in most cases, from their point of ... should also result in a high probability of detecting fi sh movements between grounds, if they occur ... recorded as moving a long distance, and thus provide contradictory evidence. Three fi sh moved from ... of residency in the grounds. One fi sh has been recorded as moving from ground A to Kerguelen and ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Autor(es): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb
-
Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl
surveys covering a wide area of krill distribution between the Antarctic Peninsula and South Georgia ... summer-autumn periods of 1983/84 and 1987/88 and in the spring-summer of 1984/85 using a grid of stations ... characterised by a change in biomass of more than two orders of magnitude in different seasons, was observed in ... observed in Subarea 48.1 (Siegel et al., 1997, 1998) are not representative of the survey area as a whole ... mesoscale surveys covering a wide area of krill distribution between the Antarctic Peninsula and South ... the summer-autumn periods of 1983/84 and 1987/88 and in the spring-summer of 1984/85 using a grid of ... characterised by a change in biomass of more than two orders of magnitude in different seasons, was observed in ... survey area as a whole. The total biomass index in the study area during all seasons remained at a ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Autor(es): Sushin, V.A. and K.E. Shulgovsky
-
Genetic variations and population structure of krill from the Prydz Bay region of Antarctic waters
allele distributions at four polymorphic loci indicate no evidence of significant heterogeneity, a result ... consistent with the hypothesis that all samples were derived from a single breeding population of krill. The ... are derived from a single interbreeding population. Note: The full text of this paper is published ... allele distributions at four polymorphic loci indicate no evidence of significant heterogeneity, a ... result consistent with the hypothesis that all samples were derived from a single breeding population ... kilometres of Antarctic waters are derived from a single interbreeding population. Note The full text of ... electrophoretiquement en vue de detect er la variation a base genetique des proteines. Des analyses de repartitions ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 271-273 : Autor(es): MacDonald, C.M., R. Williams and M. Adams
-
Preliminary study on nesting Adélie penguins disturbance by unmanned aerial vehicles
, where they are a new tool used in ecological research and monitoring. In this preliminary study ... electric UAVs. During the overflight by a UAV powered by piston engine, symptoms of vigilance were observed ... with penguins looking up and around for a few seconds when the UAV was overhead. Similar symptoms of ... or piston engine UAVs. Plans for a systematic monitoring of UAV impact on wildlife, as well as ... aerial vehicles M. Korczak-Abshire and A. Kidawa Institute of Biochemistry and Biophysics Polish ... – akidawa@arctowski.pl A. Zmarz University of Warsaw, Faculty of Geography and Regional Studies ... Biology Pawinskiego 5a, 02-106 Warsaw Poland A. Znój Institute of Biochemistry and Biophysics Polish ... , knowledge about their potential impact on wildlife is scant, especially in Antarctica, where they are a new ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 1–16 : Autor(es): Korczak-Abshire, M., A. Kidawa, A. Zmarz, R. Storvold, S.R. Karlsen, M. Rodzewicz, K. Chwedorzewska and A. Znój
-
Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias
, nests or chicks, throughout the breeding season and standardisation of the time series to a reference ... using a generalised additive model framework to allow interpolation across days when no counts were ... available and to provide a formal estimate of uncertainty around the average function. The method is ... population obtained by adjusting a one-off count using availability adjustment factors will not account for ... adults, nests or chicks, throughout the breeding season and standardisation of the time series to a ... were modelled using a generalised additive model framework to allow interpolation across days when no ... counts were available and to provide a formal estimate of uncertainty around the average function. The ... the breeding population obtained by adjusting a one-off count using availability adjustment factors ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Autor(es): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery
-
Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)
Islands (Antarctic Peninsula) in February–March 2006 and January 2007. A total of 218 specimens were ... ) growth function to the age–length data, a growth curve was obtained for each sex. The estimated values of ... . Like other icefishes, C. wilsoni exhibited a high growth rate until it reached sexual maturity ... , although it had a much shorter life span. The part of the population of C. wilsoni caught in the study area ... PENINSULA) M. La Mesa and A. De Felice ISMAR-CNR, Istituto di Scienze Marine Sezione Pesca Marittima di ... February–March 2006 and January 2007. A total of 218 specimens were selected for the study, consisting of ... females of C. wilsoni. Applying the von Bertalanffy (VB) growth function to the age–length data, a growth ... about 2 years for females and 2.5 years for males. Like other icefishes, C. wilsoni exhibited a high ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Autor(es): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock
-
Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea
analysis and conventional diet analysis. Samples were collected during a longline survey of pre-recruit ... evidence that a combination of these two techniques can delineate the main prey items of Antarctic ... Pleuragramma antarcticum, Pogonophryne barsukovi, Dacodraco hunteri and Trematomus loennbergii indicated a ... were higher than those of P. antarcticum, P. barsukovi and T. loennbergii, indicating a higher trophic ... during a longline survey of pre-recruit toothfish in February 2012. Results of fatty acid (FA) and ... stable isotope analyses from this study provide evidence that a combination of these two techniques can ... , Dacodraco hunteri and Trematomus loennbergii indicated a trophic connection between toothfish and these ... . barsukovi and T. loennbergii, indicating a higher trophic position of the toothfish. In contrast, similar ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Autor(es): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang
-
Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean
(Oegopsida) in the Southern Ocean Abstract / Description: The USSR has carried out a long-term investigation ... of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean. In 1965–1977 a ... includes geographical distribution, habitat, size, food diet and position of a species in a food web. Such ... SC-CAHLR-IV/BG/18 1985 AND ECOLOGY OF PELAGIC The USSR has carried out a long-term ... -1977 a total of 326 squid specimens were collected at 124 stations with sampling by 1nidwater nets ... description includes geographical distribution, habitat, stze, food diet and position of a species in a food ... REPARTITION ET L'ECOLOGIE DES CALMARS PELAGIQUES (OEGOPSIDA) DllNS L 1 OCEAN AUSTRAL Resume L'URSS a mene ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Autor(es): Lubimova, T.G.
-
Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea
) from the Ross Sea Abstract / Description: A previous study on the age and growth of Amblyraja ... and growth in A. georgiana that is radically different from the published interpretation is presented ... circumstantial evidence support the new interpretation, but a validation study is required to determine which ... Pier, Killybegs Co. Donegal, Ireland Abstract A previous study on the age and growth of Amblyraja ... and growth in A. georgiana that is radically different from the published interpretation is presented ... circumstantial evidence support the new interpretation, but a validation study is required to determine which ... présentons une autre interprétation de l’âge et de la croissance chez A. georgiana qui est radicalement ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Autor(es): Francis, M.P. and M.J. Gallagher
-
The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3
November 1991 to 10 March 1992. A total of 3 382 tonnes was taken by one Bulgarian, five Russian and eight ... Chilean vessels. The maximum catch taken in a five-day period was 375 tonnes. Catch rate was not ... 0.2 in the Bulgarian. These differences were probably a result of the different hook types used by the ... Dissostichus eleginoides in Subarea 48.3 was open from 4 November 1991 to 10 March 1992. A total of 3 382 ... tonnes was taken by one Bulgarian, five Russian and eight Chilean vessels. The maximum catch taken in a ... differences were probably a result of the different hook types used by the fleets. Resume En 1991/92, la ... peche a la palangre de Dissostichus eleginoides dans la sous-zone 48.3 etait ouverte du 4 novembre 1991 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Autor(es): Agnew, D.J. and C.A. Moreno