Résultats de la recherche
-
Penguin foraging behavior in relation to the distribution of prey
) was measured concurrently with a hydroacoustic assessment of the vertical distribution and abundance ... midnight, with a reduction in effort around dawn and dusk (local apparent time). The mean and maximum depth ... column (i.e. seabirds and marine mammals). Author(s): D.A. Croll, R.P. Hewitt, D.A. Demer and J.K ...
Meeting Document : WG-KRILL-93/47 : Auteur(s): D.A. Croll, R.P. Hewitt, D.A. Demer and J.K. Jansen (USA)
-
LENGTH-BASED ASSESSMENT FOR MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) IN SUB-AREA 48.3
with the current CCAMLR approach) is used to estimate the length distribution of the population from ... the survey data which, in conjunction with the bootstrapped survey biomass data, yields an estimate of ... estimate age composition in CMIX. Using the 2009 survey data and the new methodology, we calculated a TAC ...
Meeting Document : WG-FSA-09/27 : Auteur(s): R.M. Hillary (Australia), C.T.T. Edwards, R.E. Mitchel and D.J. Agnew (United Kingdom)
-
Spatial distribution and population structure of juvenile Antarctic toothfish (Dissostichus mawsoni) in the South Shetland Islands (Subarea 48.1)
Abstract: In the present study we provide new insights on the spatial distribution and population ... between 22 and 78 cm TL, equally distributed between sexes, most of them with gonads at immature stage of ... comparison with the biological traits of adults reported elsewhere. Author(s): M. La Mesa, E. Riginella and ...
Meeting Document : WG-FSA-18/45 : Auteur(s): M. La Mesa, E. Riginella and C.D. Jones
-
Numerical model of ecosystem including Euphausia superba Dana as a key species in the Antarctic Ocean
integrated model with the above 5 items. This year, we have developed a three dimensional regional model off ... numerical model including the effect of marine mammal consumption and catch of krill (6) to develop the ...
Meeting Document : WG-EMM-95/52 : Auteur(s): Naganobu, M., Kishi, M.J.
-
Abundance and reproductive distribution of Pygoscelids sp. in the northern area of Danco Coast, Antarctic Peninsula
world with some of the clearest signals of climate warming. The aim of this study was to monitor the ... Abstract: Studies related to the abundance and reproductive distribution of marine birds have the ...
Meeting Document : WG-EMM-12/58 : Auteur(s): M.M. Santos, E.F. Rombolá, D. González-Zevallos, M.A. Juáres, J. Negrete and N.R. Coria (Argentina)
-
CEMP data inventory and summary analysis
in accordance with the ‘ecosystem approach’. This report: summarises CEMP data submissions for the ... krill-based ecosystems to provide a basis for regulating harvesting of Antarctic living marine resources ...
Meeting Document : WG-EMM-16/08 : Auteur(s): CCAMLR Secretariat
-
Mercury in the coastal Antarctic ecosystem: Initial findings
understand how Antarctic environments respond to globally reducing Hg emission with the Minamata Convention ... as terrestrial and marine biota samples. Long-term monitoring studies are crucial to better ...
Meeting Document : WG-EMM-2019/51 Rev. 1 : Auteur(s): E. Kim, Z. Baumann, J.-H. Kim and J.-W. Jung
-
Fatty acid signature analysis from the milk of Antarctic fur seals and southern elephant seals from South Georgia: implications for diet determination
:1 n9 co- eluting with 18:1 n11) and 20:1 n9. Fatty acid signatures from the milk of Antarctic fur ... intra- annual variability which was congruent with diet variability detected using scat analyses ... analyses based on examination of stomach contents, the results from FASA were consistent with a fish based ... used in marine ecosystems in which diet determination by more direct methods is difficult and sometimes ...
Meeting Document : WG-EMM-99/44 : Auteur(s): D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler (United Kingdom)
-
Beach litter survey, Signy Island, South Orkney Islands 1994/95
sustained decline in the incidence of marine litter found at Signy as ships complied with international ... origin noted. At Foca Cove, a total of 91 items were found with a combined weight of 18.26 kg. At ... plastic items has changed considerably since 1992/93, with a steady reduction in the percentage of ...
Meeting Document : CCAMLR-XIV/BG/15 : Auteur(s): Delegation of the United Kingdom
-
Estimation of the green weight of krill caught
catch and effort data (C1 data). Vessels fishing in 2014/15 used five methods for the direct estimation ... scale and meal conversion. This paper provides a preliminary summary of the data reported so far in 2014 ...
Meeting Document : WG-EMM-15/19 : Auteur(s): CCAMLR Secretariat