Résultats de la recherche
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30 years of krill fisheries management – challenges remain
frequently. The reproduction and survival of krill are significantly affected by sea ice cover. This is of ... to be a reason for concern. Author(s): Submitted by ASOC Title: 30 years of krill fisheries ...
Meeting Document : CCAMLR-XXX/BG/19 : Auteur(s): Submitted by ASOC
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2010–11
location of fishing together with the catch of Dissostichus spp. and bycatch species by year for the period ... 88.1I over the last 1–2 years as a mode of smaller (c. 100 cm) fish is selected by teh fishery, most ...
Meeting Document : WG-FSA-11/45 : Auteur(s): M.L. Stevenson, S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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PENGUIN RESPONSES TO CLIMATE CHANGE IN THE SOUTHERN OCEAN
likely to respond by dispersal rather than adaptation. Ecosystem changes are potentially most important ... tolerance; species with low adaptability, particularly the ice-obligates, may therefore be more affected by ...
Meeting Document : WG-EMM-09/P09 : Auteur(s): J. Forcada and P.N. Trathan
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ENCOUNTERS WITH VULNERABLE MARINE ECOSYSTEMS IN THE CONVENTION AREA
course of research surveys conducted by the U.S.A. in Subarea 48.1 (17 notifications, seafloor depth 92 ... -642 m) and Subarea 48.2 (11 notifications, depth 96-252 m), and by Australia in Division 58.4.1 (2 ...
Meeting Document : WG-EMM-09/08 : Auteur(s): Secretariat
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PREDICTING SPECIES DISTRIBUTIONS FROM MUSEUM AND HERBARIUM RECORDS USING MULTI-RESPONSE MODELS FITTED WITH MULTIVARIATE ADAPTIVE REGRESSION SPLINES
methods for using these data. Such methods must, in particular, accommodate the difficulties caused by ... multiple species affect predictive performance, by evaluating predictions at completely independent sites ...
Meeting Document : WS-VME-09/P02 : Auteur(s): Elith, J., Leathwick, J.
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INCORPORATING SAMPLING VARIATION AND RANDOM READER ERROR INTO CALCULATION OF EFFECTIVE SAMPLE SIZE IN THE APPLICATION OF AGE LENGTH KEYS TO ESTIMATION OF CATCH-AT-AGE PROPORTIONS
ageing, and random reader error when ageing fish. The catch-at-age ESS is estimated by dividing the ESS ... for the LF sample, where this ESS is obtained from the haul-level LF data, by an over-dispersion ...
Meeting Document : WG-SAM-09/08 : Auteur(s): S.G. Candy (Australia)
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LIFE HISTORY BUFFERING IN ANTARCTIC MAMMALS AND BIRDS AGAINST CHANGING PATTERNS OF CLIMATE AND ENVIRONMENTAL VARIATION
interannual variation in fitness. These species maximise fitness by keeping a low inter-annual variance in the ... flexible life histories that are more constrained by fluctuation in their critical habitats, like sea-ice ...
Meeting Document : WG-EMM-08/P05 : Auteur(s): J. Forcada, P.N. Trathan and E.J. Murphy
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Foraging energetics of Antarctic fur seals in relation to changes in prey availability
seal foraging trips were twice as long in 1984 as in 1985 and total mass-specific energy expended by ... can increase their foraging effort by increasing the proportion of time spent foraging. This would ...
Meeting Document : SC-CAMLR-VIII/BG/13 : Auteur(s): Delegation of United Kingdom
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A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08
of data collected on toothfish and the associated bycatch by all vessels participating in the fishery ... of the fishery by having fewer catch limits. This appeared to be moderately successful, with only one ...
Meeting Document : WG-FSA-08/22 : Auteur(s): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)
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Variations in the diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia (Antarctic)
replace d by the ubiquitous Themisto gaudichaudii. The occurrence of krill in the diet in 1991 was one of ... was much less influenced by prey size selectivity due to differences in length composition of fish ...
Meeting Document : WG-FSA-93/24 : Auteur(s): K.-H. Kock and S. Wilhelms (Germany), I. Everson (United Kingdom) and J. Gröger (Germany)