Résultats de la recherche
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) - Version 2015 - Part C: Data analysis and MPA scenario development
EMM) the background document that provides the scientific basis for the evaluation of a marine ... provide the background information on the Weddell Sea MPA (WSMPA) planning area (Part A); to inform on the ... had welcomed and endorsed as a foundation reference document for the Weddell Sea MPA planning by the ... Scientific Committee (SC-CAMLR-XXXIII, § 5.21). Chapter 2 provides a systematic overview of the newly ...
Meeting Document : WG-EMM-15/46 : Auteur(s): K. Teschke, H. Pehlke, M. Deininger, L. Douglass and T. Brey on behalf of the German Weddell Sea MPA project team
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The reliability of VHF telemetry data for measuring attendance patterns of marine predators: a comparison with Time Depth Recorder data
patterns of otariid seals. These data have been used in a wide variety of ways, from characterizing the ... data in a state-space framework elicited mean attendance durations that were indistinguishable from TDR ... -derived measurements, suggesting this approach may provide a means to re-examine historic VHF data ... decreasing cost over the last thirty years, TDRs are a more appropriate means to collect attendance data on ...
Meeting Document : WG-EMM-15/P05 : Auteur(s): A.D. Lowther, H. Ahonen, G. Hofmeyr, W.C. Oosthuizen, P.J. Nico De Bruyn, C. Lydersen and K. Kovacs
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) - Version 2015 - Part B: Description of available spatial data
EMM) the background document that provides the scientific basis for the evaluation of a marine ... provide the background information on the Weddell Sea MPA (WSMPA) planning area (Part A); to inform on the ... evaluation of MPAs in the Weddell Sea planning area. Chapter 2 provides a systematic overview of the current ... document SC-CAMLR-XXXIII/BG/02, which the Scientific Committee had welcomed and endorsed as a foundation ...
Meeting Document : WG-EMM-15/39 : Auteur(s): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team, with contributions from the participants at the International Expert Workshop on the WSMPA project (7-9 April 2014, Bremerhaven)
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Demographic effects of extreme weather events: snow storms, breeding success, and population growth rate in a long-lived Antarctic seabird
population growth rate. We used detailed data on daily individual nest survival in a year with frequent and ... storms are a key driver of Antarctic petrel breeding success, and potentially population dynamics. We ... during a snow storm than chicks in good condition. This stresses the importance of con- sidering ... population responses to climate change. Author(s): S. Descamps, A. Tarroux, Ø. Varpe, N.G. Yoccoz, T ...
Meeting Document : WG-EMM-16/P13 : Auteur(s): S. Descamps, A. Tarroux, Ø. Varpe, N.G. Yoccoz, T. Tveraa and S.-H. Lorentsen
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Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002–03 to 2015–16 using a two-area model
Abstract: This paper presents further progress towards a two-area stock assessment model for ... (SSRUs 88.2C–G) comprising a mix of large mature fish and small immature fish. Two-area stock assessment ... an update on these two-area stock models, which include two years of new data collected under a ... current research plan be extended for a further 2-year period so that additional mark-recapture data can ...
Meeting Document : WG-FSA-16/44 : Auteur(s): S. Mormede, K. Large and S. Hanchet
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Progress towards a representative network of Southern Ocean protected areas
Abstract: Global threats to ocean biodiversity have generated a worldwide movement to take ... pelagic bioregionalizations as a proxy for biodiversity. Currently about 9.9% of the Southern Ocean is ... protected in MPAs, with 3.9% being encompassed by no-take areas. While this is a relatively large proportion ... basins, and at a finer scale, than is reflected in the bioregions. Further analysis is needed, across ...
Meeting Document : WS-SM-18/12 Rev. 1 : Auteur(s): C. Brooks, S. Chown, L. Douglass and B. Raymond
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Features of spatial and temporally distribution patterns of krill flux in the Scotia Sea: some comments on the development of a krill fishery management in Area 48.
to the Scotia Sea, were a subject of study. It is clearly illustrated that the geostrophic krill ... in Area 48. The special attention was provided to a spatial variability of direction and intensity ... krill resource management schemes require a study of the variability nature of its distribution under ... resources. Author(s): S. Kasatkina, V. Shnar and A. Malyshko Title: Features of spatial and temporally ...
Meeting Document : WG-EMM-18/21 : Auteur(s): S. Kasatkina, V. Shnar and A. Malyshko
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Krill biomass estimates for two survey boxes to the north east and north-west of South Georgia in January 1996: the beginning of a five-year monitoring program
James Clark Ross using a Simrad EK500 echo-sounder operating at 38, 120 and 200 kHz. These surveys were ... the first in a new five-year British Antarctic Survey programme initiated in part to monitor inter ... the north of Bird Island, within a foraging area of prime importance for breeding krill predators ... at night net hauls were carried out at a location toward the centre of the previous pair of transects ...
Meeting Document : WG-EMM-96/18 : Auteur(s): Watkins, J.L., Murray, A.W.A., Brierley, A.S.
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A new fishing gear in the Chilean Patagonian toothfish fishery to minimise interactions with toothed whales with associated benefits to seabird conservation
Abstract: We describe a new fishing technique, called the Chilean system, adapted from an artisan ... fishery for Patagonian Toothfish. The artisan system was modified to include a net sleeve that is placed ... whales. In addition to this, each 15 m-long vertical line carry a weight at the end, this sinks baited ... Chilean waters. Author(s): C.A. Moreno, R. Castro, L.J. Mujica and P. Reyes (Chile) Title: A new fishing ...
Meeting Document : WG-FSA-07/14 : Auteur(s): C.A. Moreno, R. Castro, L.J. Mujica and P. Reyes (Chile)
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Validation of age determination in Notothenia coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands
of 11-21 months. A comparison was carried out between the annuli found in scales removed before and ... analysis between scales taken at recapture and otolith cross sections of the same individual allowed a ... deposition of the annulus in scales and otoliths of N. coriiceps. A preliminary analysis of scales ... coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands Approval ...
Meeting Document : WG-FSA-94/12 : Auteur(s): E.R. Barrera-Oro and R.J. Casaux (Argentina)