Resultados de la búsqueda

1. EXTRAPOLATING CONTINUOUS PLANKTON RECORDER DATA THROUGH THE SOUTHERN OCEAN USING BOOSTED REGRESSION TREES

   , called BRT (Boosted Regression Trees), to data on the distribution of Oithona similis, a small cyclopoid ... copepod which is abundant through much of near-surface waters of the Southern Ocean. A large dataset (> ... Plankton Recorder (SO-CPR) Survey. We demonstrate that it is possible to obtain a relationship between both ... estimate abundances of O. similis through the Southern Ocean. We present a number of methods for ...

   Meeting Document : WG-SAM-08/12 : Autor(es): M.H. Pinkerton, A.N.H. Smith (New Zealand), B. Raymond, G. Hosie (Australia) and B. Sharp (New Zealand)

2. Spatial and seasonal distribution of adult Oithona similis in the Southern Ocean: predictions using boosted regression trees

   Abstract:  We applied a multivariate statistical modelling technique called boosted regression ... conditions in a broadly similar way throughout the Southern Ocean. Compared to a compilation of nethaul data ... adult stages combined. The models show higher occurrence and elevated abundances in a broad circumpolar ... Scotia Sea, two areas off east Antarctica, in the frontal zone north of the Amundsen Sea, and a small ...

   Meeting Document : WG-EMM-10/P14 : Autor(es): M.H. Pinkerton, A.N.H. Smith, B. Raymond, G.W. Hosie, B. Sharp, J.R. Leathwick and J.M. Bradford-Grieve

3. Adélie penguins as indicators of the state of the sea-ice in Adélie Land

   the population there, a second complete breeding failure took place in the season 2016-17, leading to ... precipitations occurred only over 2-3 days in mid-November 2016 and several nests were buried under more than a ... meter of snow, but the snow falls were immediately followed by almost a week with temperatures ... glacier in front of Pétrel Island. This is a serious threat to the populations of Pétrel Island and a ...

   Meeting Document : WG-EMM-17/01 Rev. 1 : Autor(es): Y. Ropert-Coudert, A. Kato and C. Barbraud

4. e-sc-vi-a4.pdf

   ... . A draft annotated agenda was prepared and circulated. 2. The Scientific Committee accepted an ... . Hureau, Muséum National d’Histoire Naturelle, Paris. A list of participants is attached (Appendix 1 ... remote sensing technology and predator species respectively. 7. A list of the documents tabled at the ... meeting is attached as Appendix 3. 8. The Convener tabled a paper prepared by the Secretariat (WG-CEMP application/pdf attached to:WG-CEMP-87

   Meeting Report : WG-CEMP-87

5. Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands, 2005/2006

   Island, South Orkney Islands are reported for the 2005/2006 summer season. There was 1 sighting of a seal ... wearing a neck collar of man-made debris. Data are compared with results from a parallel study undertaken ... number recorded at Bird island between the austral summers of 1988/89 and 2003/04. Although such a ...

   Meeting Document : SC-CAMLR-XXV/BG/15 : Autor(es): Delegation of the United Kingdom

6. Preliminary analyses of data collected during experimental fishing for Patagonian toothfish in international waters of the southwest Indian Ocean (Area 51)

   to 27 July, 2003. This experience was carried out by a Spanish longliner, following commercial ... procedures, in a restricted area south of Madagascar and north of the Prince Edward and Marion Islands and ... the Crozet Islands, and outside EEZ and CCAMLR waters. A total of 57 sets were taken at between 360 ... of the main ground, in which a residual recruitment effect persists. The total CPUE was 42.21 kg/1000 ...

   Meeting Document : WG-FSA-04/19 : Autor(es): L.J. López Abellán (Spain)

7. Update on the Agreement on the Conservation of Albatrosses and Petrels (ACAP)

   (Argentina, Brazil, Chile, France and Peru). ACAP is expected to provide a major boost for the conservation ... ; determining financial arrangements, a scale of contributions and a budget; establishment of a Secretariat for ...

   Meeting Document : WG-FSA-04/51 : Autor(es): B. Baker and T. Hewitt (Australia)

8. Entanglement of Antarctic fur seal Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands 2001/02

   Island, South Orkney Islands are reported for the 2001/2002 summer season. There was a single sighting of ... a seal wearing a neck collar of man-made debris. Data are compared with results from a parallel ...

   Meeting Document : SC-CAMLR-XXI/BG/06 : Autor(es): Delegation of the United Kingdom

9. Age-at-length of Patagonian toothfish from the Falkland/Malvinas Islands

   toothfish stock around the Falkland Islands, we used otoliths to estimate the age of a sample of 1893 ... Patagonian toothfish (Dissostichus eleginoides) captured by trawl and in the longline fishery. We used a thin ... section grinding machine to reveal a transverse plane through the otolith nucleus and between ... age data, we estimated total mortality to be Z = 0.27. Author(s):  J. Ashford, A. Arkhipkin, C. Jones ...

   Meeting Document : WG-FSA-02/74 : Autor(es): J. Ashford, A. Arkhipkin, C. Jones and S. Bobko

10. Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000

    Abstract:  During the period March to May 2000, the UK undertook trials of a pot fishing method to ... fisheries in the CCAMLR area. While the method successfully caught D. eleginoides, there was a large bycatch ... fishery. Importantly, the use of pots eliminated bird bycatch. To capitalise on this feature, there is a ... need to improve the commercial viability of the method and minimise the quantity of bycatch. A number ...

    Meeting Document : WG-FSA-00/23 : Autor(es): D. Agnew, T. Daw, M. Purves and G. Pilling (United Kingdom)

Páginas