Resultados de la búsqueda

1. The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation

   Abstract:  Due to the detrimental effect longline fisheries have had on seabirds in other parts of ... the world, concern was raised as to the effect an experimental Hake longline fishery would have on ... 100% of the catch on longlines during setting despite the fact that they were not the most abundant ... species around fishing vessels either during the day or night. Extrapolations showed that 2 vessels were ...

   Meeting Document : WG-FSA-95/21 : Autor(es): Barnes, K.

2. Feasibility of lead-radium dating the otoliths of blackfin icefish (Chaenocephalus aceratus) and ocellated icefish (Chionodraco rastrospinosus)

   otoliths from these fishes were small and the number of otoliths available low, a whole otolith application ... was necessary as a first look at lead-radium levels. The application was successful as a first step in ... determining the parameters of future applications that would lead to a validation of age. In the current study ... , sample mass for the pooled otolith samples was low (~0.4 g). This finding, coupled with low radium-226 ...

   Meeting Document : WG-FSA-10/17 : Autor(es): A.H. Andrews, M. La Mesa and J. Ashford (USA)

3. The Ross Sea cephalopod community: insights from stable isotope analysis

   identified as having relatively high importance in the food-web of the Ross Sea. However, information on the ... trophic ecology of the cephalopod assemblage of the Ross Sea region is poor. Stable isotope signatures of ... taxa sampled from the Ross Sea region. Samples were acquired through scientific trawls and from ... stomachs of Antarctic toothfish Dissostichus mawsoni returned from the longline fishery. Most octopods were ...

   Meeting Document : WG-EMM-12/55 : Autor(es): D.R. Thompson, M.H. Pinkerton, D.W. Stevens (New Zealand), Y. Cherel (France), S.J. Bury (New Zealand)

4. Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation

   timings and to validate annulus formation. Although in the literature it has been reported that N. rossii ... in the South Shetland Islands hatches in spring, our daily ring back counting in otoliths from the ... between February and March and another in winter between July and August. The maximum and minimum ages ... estimated for the pelagic blue phase and demersal brown phase fingerlings were respectively 227 and 240 days ...

   Meeting Document : WG-FSA-12/04 : Autor(es): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)

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

   Abstract:  This paper frames a discussion for improving the assessment of toothfish abundance for ... SSRUs 88.2C–G. We initially provide a characterisation of the fishery and a summary of available tagging ... fish have been recaptured. It is likely that the lack of recaptures of tagged fish in this region has ... been caused primarily by the poor spatial overlap of released tagged fish with subsequent fishing ...

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

6. The Scientific Committee on Antarctic Research (SCAR) Annual Report 2015/2016

   Abstract:  SCAR is an interdisciplinary body of the International Council for Science (ICSU), and ... , and to promote scientific knowledge, understanding and education on any aspect of the Antarctic region ... and its role in the Earth System. SCAR also provides independent and objective scientific advice and ... information to the Antarctic Treaty System and other bodies and facilitates the international exchange of ...

   Meeting Document : SC-CAMLR-XXXV/BG/26 : Autor(es): Submitted by SCAR

7. Spatio–temporal dynamics in maturation and spawning of Patagonian toothfish Dissostichus eleginoides on the subantarctic Kerguelen Plateau

   eleginoides in the Heard Island and McDonald Islands (HIMI) fishery on the Kerguelen Plateau in the Indian ... Sector of the Southern Ocean based on gonads and otoliths collected between years 2004–2015, and using ... throughout the late autumn and winter months of May–August, and spawning activity is concentrated on slopes ... along the west and south of the plateau around HIMI at depths of 1500–1900m. Comparison between ...

   Meeting Document : WG-FSA-17/P04 : Autor(es): P. Yates, P. Ziegler, D. Welsford, J. McIvor, B. Farmer and E.Woodcock

8. Spatio-temporal variability in the winter diet of larval and juvenile Antarctic krill, Euphausia superba, in ice-covered waters

   Abstract:  Antarctic krill Euphausia superba is an ecological key species in the Southern Ocean ... and a major fisheries resource. The winter survival of age class 0 (AC0) krill is susceptible to ... changes in the sea-ice environment due to their association with sea ice and their need to feed during ... limited. We studied the spatio-temporal variability of the diet in 4 cohorts of AC0 krill in the Northern ...

   Meeting Document : WG-EMM-18/P18 : Autor(es): F.L. Schaafsma, D. Kohlbach, C. David, B.A. Lange, M. Graeve, H. Flores and J.A. van Franeker

9. Marine Ecosystem Assessment for the Southern Ocean (MEASO)

   Abstract:  A first Marine Ecosystem Assessment for the Southern Ocean (MEASO) is under development ... happening now and into the future, and what may need to be planned for, in terms of research and management ... . The aim is to have a quantitative assessment that enables managers to achieve consensus in adapting ... held in Hobart in early April 2018 (http://www.measo2018.aq/). The conference provided an opportunity ...

   Meeting Document : SC-CAMLR-XXXVII/BG/22 : Autor(es): A. Constable, J. Melbourne-Thomas, R. Trebilco and M. Brasier

10. Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video cameras

    of 719-1518 m around the sub-Antarctic island of South Georgia. Four species of lithodid (Anomura ... to the baits of which Paralomis formosa was the most abundant. Using arrival rate at baits ... , predictions of odour plume size and observations of walking speed the abundance of the stone crab Paralomis ... observed in the 4.9 m2 field of view exceeding 50 within 200 minutes on three occasions. Current speed was ...

    Meeting Document : WG-FSA-03/77 : Autor(es): M.A. Collins, C. Yau, F. Guillfoyle, P. Bagley, I. Everson, I.G. Priede and D. Agnew (United Kingdom)

Páginas