Résultats de la recherche
-
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
-
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
-
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
-
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
-
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.
-
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)
-
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)
-
Towards developing a feedback management procedure for the Antarctic krill fishery
Abstract: We present a feedback strategy, founded on CEMP data, to adjust the catch limit and the ... and condition). A feedback management approach can use ‘hockey-stick’ models that define decision ... CEMP sites (e.g. relationships between animal condition and subsequent survival). If a feedback ... in the ecosystem. Author(s): G. Watters and J. Hinke (USA) Title: Towards developing a feedback ...
Meeting Document : WG-EMM-12/44 : Auteur(s): G. Watters and J. Hinke (USA)
-
Commercial fishing vessel as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
require a precautionary approach with respect to the human use of these ecosystems. In particular ... instrumentation are presented and discussed. The realism behind the description is exemplified by a Norwegian ... could make a large amount of important data available for CCAMLR analysis and thus improve the basis for ... – requirements and solutions exemplified with a new vessel Approval: Approved ...
Meeting Document : WG-EMM-13/15 : Auteur(s): O.R. Godø (Norway), C. Reiss (USA), V. Siegel (Germany) and J.L. Watkins (United Kingdom)
-
A characterisation of the toothfish fishery and tagging programme in the Amundsen Sea region (SSRUs 88.2C–H) through 2015–16
Abstract: This report provides a characterisation of the toothfish fishery and associated tagging ... programme in the Amundsen Sea Region (SSRUs 88.2C–H) up to and including the 2015/16 fishing year. A ... previously tagged toothfish. In 2015/16, a total of 9 inter-season tagged fish were recaptured in these ... the Amundsen Sea region. Author(s): K. Large, S. Parker and S. Hanchet Title: A characterisation of ...
Meeting Document : WG-FSA-16/45 : Auteur(s): K. Large, S. Parker and S. Hanchet