Résultats de la recherche

1. Draft: differences in the foraging strategies of male and female Adelie penguins

   Abstract:  Consistent gender differences in foraging trip durations, feeding localities and diet ... years. Female penguins tended to make longer foraging trips than males, ranged greater distances more ...

   Meeting Document : WG-EMM-95/46 : Auteur(s): Franchi, E., Kerry, K., Clarke, J.

2. Gear loss reported by longline fishing vessels for the 2018 and 2019 fishing seasons

   no difference in the relative reporting of lost hooks by gear type, with rates of loss recorded at ... . Vessels reported 1 632 km of line lost in the Convention Area, of which 27% were complete lines. There was ... of complete line loss between gear types, with a higher rate of complete line loss for trotline than ...

   Meeting Document : WG-FSA-2019/18 : Auteur(s): CCAMLR Secretariat

3. Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G

   been caused primarily by the poor spatial overlap of released tagged fish with subsequent fishing ... next 2–3 years) it be made mandatory for vessels to complete all of their sets inside one or more of ... could be relaxed in future years once sufficient tags have been recaptured to carry out an assessment of ... least 3 tags per tonne in the short term. In addition to improving estimates of abundance a higher ...

   Meeting Document : WG-FSA-14/59 : Auteur(s): S.M. Hanchet and S.J. Parker (New Zealand)

4. Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots

   , in this case, fishing hotspots (FH), combined with a temporal analysis to assess persistence of these ... fishing fleet is concurring to know fishing grounds year after year, where they obtain high catches, and ... that the catch density (ton∙km-2) inside the FHs is correlated with the total catch obtained ... FHs. Results indicate that the fishery is presenting consistent FH across years, particularly during ...

   Meeting Document : WG-EMM-16/52 : Auteur(s): F. Santa Cruz, B. Ernst and J.A. Arata

5. Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during 1990/91 austral summer

   that krill biomass in this region had been lower than expected until early February 1991. As for ... females were exceedingly abundant in the slope frontal zone with the mean density of 23.9 g/m2 (411,000t ... ), as contrasted with the lower value of 3.7 g/m2 (163,000t) in the oceanic zone and almost absence from ... north of the South Shetland Islands from 18 January to 3 February 1991. Distinct offshore-inshore ...

   Meeting Document : WG-KRILL-92/26 : Auteur(s): T. Ichii, H. Ishii and M. Naganobu (Japan)

6. Champsocephalus gunnari Lönnberg distribution on South Georgia shelf from inventory survey data collected by AtlantNIRO

   north-eastern parts of the island shelf. Near Shag Rocks they could be seen in separate years. Year-to ... shelf. Ch.gunnari distribution pattern markedly varied by year which can be attributed to differing ... -year fluctuations of catch per unit effort, predominance of certain groups of specimens and mean weight ...

   Meeting Document : WG-FSA-92/04 : Auteur(s): I.A. Trunov (Russia)

7. Influence of tag numbers, size of tagged fish, duration of the tagging program, and auxiliary data on bias and precision of an integrated stock assessment

   estimate annual recruitment and year class strengths. (3) For a simulated lightly fished stock, CASAL ... numbers were important particularly in the early stages of an exploratory fishery to ensure some ... assessments with good quality tagging data had a low bias and reasonable precision for SSB 0 and annual SSB ... estimates, however the precision of SSB status estimates in the final assessment year was relatively low ...

   Meeting Document : WG-SAM-12/24 : Auteur(s): P.E. Ziegler (Australia)

8. Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses

   Australian (n= 185) and Eastern Australian (n= 104) whales. These were compared with sequences of humpback ... substantial numbers; iii) Eastern Australian whales distribute mainly in Area VW, and probably mix with a ... . These were breeding Stock ‘D’ off Western Australia and breeding Stock ‘E1’ off Eastern Australia. Both ... addition, the Antarctic samples were analyzed with a set of eleven microsatellite DNA loci (independent ...

   Meeting Document : WG-EMM-2019/67 : Auteur(s): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka

9. Characterisation of skate catches in the Ross Sea region

   in the Ross Sea Region, including the data collected in the two “Year of the Skate” fishing seasons ... individuals than landed starry skates. Eaton cf. skates had a different length frequency, with a narrower ... with other studies suggesting Eaton cf. skates might grow to larger sizes than starry skates. During ... . There was no evidence of growth retardation linked with the capture and tagging event. Tag loss rates of ...

   Meeting Document : WG-FSA-10/25 : Auteur(s): S. Mormede and A. Dunn (New Zealand)

10. Detecting trends in the krill fishery

    generally available in the Scientific Committee. Technological information may provide early warnings of ... developments that could later herald an expansion in krill fishing. Information on new products from the krill ...

    Meeting Document : WG-EMM-02/25 : Auteur(s): S. Nicol and J. Foster (Australia)

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