Resultados de la búsqueda

1. Climate change and zooplankton dominance in the Antarctic marine ecosystem: implications for the food web

   Abstract:  There is a growing body of evidence that the climate of the Antarctic Peninsula region ... extensive sea-ice development. These trends potentially will have a major impact on the structure and ... function of the Antarctic marine ecosystem. In the Antarctic Peninsula region winter sea-ice coverage is a ... followed the first prolonged winter sea-ice season in three years and provides a strong contrast to the ...

   Meeting Document : WG-EMM-96/21 : Autor(es): Siegel, V., Fraser, W., Trivelpiece, S., Holm-Hansen, O., Loeb, V., Hewitt, R., Trivelpiece, W.

2. Trophic relations of the cephalopod Martialia hyadesi (Teuthoidea: Ommastrephidae) at the Antarctic Polar Front, Scotia Sea

   carlsbergi, the euphausiid Euphausia superba and a hyperiid amphipod, probably Themisto gaudichaudi. A small ... , which is itself a major prey item of some higher predators In the Scotia Sea, suggests that a previously ...

   Meeting Document : SC-CAMLR-XI/BG/11 : Autor(es): Delegation of United Kingdom

3. Further calculations of the effects of krill fishing on predators

   achieved by making the survival rates depend instead on krill "availability", where there is a ... resilience of the albatross population to the effects of a krill fishery. An approach for estimating the ... the blackbrowed albatross and Antarctic fur seal indicate a surprisingly low resilience of these ... populations to the effects of a krill fishery. Discussion is needed as to whether this reflects an ...

   Meeting Document : WG-Krill-94/24 : Autor(es): D.S. Butterworth and R.B. Thomson (South Africa)

4. The use of morphometric parameters for the determination of sex of Adelie penguins

   , cubitocarpal) with the mean discriminant score of 55.39. Males have a higher score and females a lower one. The ... discriminant score be determined for a single operator and at each breeding colony to reduce these sources of ... the sex of the birds can be increased by avoiding those with a discriminant score close to the mean ...

   Meeting Document : WG-CEMP-91/5 Rev. 1 : Autor(es): K.R. Kerry, D.J. Agnew, J.R. Clarke and G.D. Else (Australia)

5. Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey methods

   . Using data collected during a survey of demersal fish communities in the Ross Sea region of Antarctica ... sampling methods; a large demersal fish trawl, a beam trawl, and a towed camera system. Twenty-three sites ...

   Meeting Document : WG-FSA-12/51 : Autor(es): D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand)

6. Further investigations in the assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13

   investigated. We recommend the following: That the Amundsen Sea region be considered as a single stock, with ... year once it has been updated with the 2014 fishery data. That ways to obtain a better estimate of the ... SSRU 88.2H is recognised by allocating a greater proportion of the catch limit to SSRUs 88.2C–G and ... -length keys, using approved otolith reading protocols and aging validation. Author(s):  S. Mormede, A ...

   Meeting Document : WG-SAM-14/29 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

7. Draft Research and Monitoring Plan for the South Orkney Islands Southern Shelf (MPA Planning Domain 1, Subarea 48.2)

   Abstract:  This draft Research and Monitoring Plan identifies a number of scientific research and ... Shelf Marine Protected Area designated under CM 91-03. We identify a number of elements for scientific ... consistent with the objectives of the MPA. In 2013, a preliminary draft MPA Report was developed for the ... SOISS MPA (WG-EMM-13/10), which included elements for a Research and Monitoring Plan. The Working Group ...

   Meeting Document : WG-EMM-14/24 : Autor(es): Delegation of the European Union

8. Apparent decrease of Weddell seal numbers in the western Ross Sea

   the larger region and a thinning of fast ice along Victoria Land (conceivably beneficial to seals ... Antarctic toothfish (Dissostichus mawsoni), a major prey, by a fishery operating full scale by 2003 ... from seals tracked by satellite indicate wider foraging range during winter than 20 years ago. A large ...

   Meeting Document : WG-EMM-14/44 : Autor(es): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)

9. Antarctic's pelagic ecosystem: how environmental change will affect Salpidae population structure

   - Euphausia superba. Presumably as a result of climatic fluctuations, a decrease in the numbers of this ... been conducted. Specimens for this research were collected from the Drake Passage, using a Bongo net in ... this species’ development. The central part of the Drake Passage was characterized by a dominance of ...

   Meeting Document : WG-EMM-15/P08 : Autor(es): A.W. Słomska, A.A. Panasiuk-Chodnicka, M.I. Żmijewska and M.K. Mańko (Poland)

10. Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.3a

    achieve a robust stock assessment that would provide advice on a catch limit according to CCAMLR decision ... rules. This paper aims to present a research plan for 2015/2016 that takes into account the remarks made ... maximize the expectation of tag-recapture. Author(s):  A. Rélot-Stirnemann (France) Title:  Revised ...

    Meeting Document : WG-FSA-15/78 : Autor(es): A. Rélot-Stirnemann (France)

Páginas