Résultats de la recherche
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Fish and squid in the diet of king penguin chicks, Aptenodytes patagonicus, during winter at sub-Antarctic Crozet Islands
this was the main prey by reconstituted mass (57%). Myctophid fish (lantern-fishes) accounted for most ... summer by king penguins were either very rare in winter (Electrona carlsbergi) or accounted for a smaller ... of the fish diet, constituting together 32 % by mass. The three main species of myctophids eaten in ... on the previously unstudied mesopelagic/epibenthic marine community in waters surrounding the Crozet ...
Meeting Document : WG-EMM-97/09 : Auteur(s): Cherel, Y., Ridoux, V., Rodhouse, P.G.
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VARIABILITY IN KRILL BIOMASS LINKS HARVESTING AND CLIMATE WARMING TO PENGUIN POPULATION CHANGES IN ANTARCTICA
” species have increased. However, 30 y of field studies and recent surveys of penguins throughout the WAP ... of an alternative, more robust hypothesis that attributes both increases and decreases in penguin ... areas on the planet, with 5–6 °C increases in mean winter air temperatures and associated decreases in ...
Meeting Document : WG-EMM-11/P1 : Auteur(s): W.Z. Trivelpiece, J.T. Hinke, A.K. Miller, C.S. Reiss, S.G. Trivelpiece and G.M. Watters
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Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models
Schaefer and Fox production functions) were used: total yield for a series of years and abundance index ... Abstract: Dynamic production models (DPM) have been proposed for D. eleginoides stock assessment ... describing interyear biomass dynamics (standardized catch per unit effort for 1986- 2001) and fishing effort ... group on fish stock assessment as they do not require certain initial data and parameters (natural ...
Meeting Document : WG-FSA-02/78 : Auteur(s): P.S. Gasiukov and R.S. Dorovskich (Russia)
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Document de travail de l'UE sur la mise en œuvre de la MC 32-18 sur la conservation des requins
32-18 on the conservation of sharks Microsoft Word File: e-cc-xxxvii-30.docx Approval: Approved ... Secretariat Workflow Status: Content Approved Document Release Consent: Yes Delegation responsibility for ... Author(s): Delegation of the European Union Title: EU working paper on the implementation of CM ...
Meeting Document : CCAMLR-XXXVII/30 : Auteur(s): Delegation of the European Union
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Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia
as part of an ongoing study by the British Antarctic Survey. A minimum of 8 seals were sighted ... ). During the summer pup-rearing period a minimum of 30 entangled seals were reported, 26 (87%) of which had ... comparison to the same time period in 1988/89. Possible causes suggested for this observed reduction in ...
Meeting Document : CCAMLR-X/BG/05 : Auteur(s): Delegation of UK
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The Ross Sea cephalopod community: insights from stable isotope analysis
identifications. Generally, squid clustered into two distinct isotopic groups, one with depleted isotope ... . Size (and hence age) was an important factor in explaining variation in both beak and muscle tissue ... Abstract: Based on mass balance modeling and mixed trophic impact analysis, cephalopods have been ... identified as having relatively high importance in the food-web of the Ross Sea. However, information on the ...
Meeting Document : WG-EMM-12/55 : Auteur(s): D.R. Thompson, M.H. Pinkerton, D.W. Stevens (New Zealand), Y. Cherel (France), S.J. Bury (New Zealand)
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2006/07
nine year means for these parameters at our study site. The chinstrap penguin breeding population has ... been declining for the past seven years and is at its lowest size in the 10 years of study. Chinstrap ... higher than both last season and the past 10 year mean. Author(s): R. Orben, S. Chisholm, A. Miller and ... lowest population size in the 10 years of census data. The number of diet samples containing fish was the ...
Meeting Document : WG-EMM-07/P1 : Auteur(s): R. Orben, S. Chisholm, A. Miller and W.Z. Trivelpiece (USA)
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AGE AND GROWTH OF SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC PENINSULA)
. Age at sexual maturity was estimated to be about 2 years for females and 2.5 years for males. Compared ... January 2007. A total of 218 specimens were selected for the study, consisting of 120 females and 98 males ... estimated age range was 1-5 for males and 1-4 for females of C. wilsoni. Applying the von Bertalanffy growth ... function to the age-length data, a growth curve was obtained for each sex. The estimated values of VB ...
Meeting Document : WG-FSA-08/33 : Auteur(s): M. La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany)
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The Continuous Plankton Recorder in the Southern Ocean: a comparative analysis of zooplankton communities sampled by the CPR and vertical net hauls along 140°E
each of 19 stations: 0–20, 20–50, 50–100 and 100–150 m. A Continuous Plankton Recorder (CPR) was ... patterns. Species richness and diversity increased with depth, and were lowest for CPR samples. Conversely ... , dominance decreased with depth and was highest for CPR samples. Evenness was similar for all sample groups ... 2001. NORPAC nets were deployed during a CTD transect on the southern leg, sampling four depth zones at ...
Meeting Document : WS-BSO-07/P5 : Auteur(s): Hunt, B.P.V and G. Hosie
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Évaluation du cadre réglementaire de la CCAMLR et des recommandations visant à rationaliser le statut des pêcheries
information requirements, and the process for obtaining that information, for all fisheries targeting ... pro-forma from CM 24-01 (Annex A, Format 2) and make it an annex to CM 41-01 noting that this would ... Committee Title: Review of the CCAMLR regulatory framework and recommendations for streamlining fishery ... in recent years in relation to research fishing in exploratory fisheries, closed fisheries and other ...
Meeting Document : CCAMLR-XXXIV/17 Rev. 1 : Auteur(s): Chair of the Scientific Committee