Resultados de la búsqueda
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): E.R. Barrera-Oro and R.J. Casaux (Argentina)
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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 : Autor(es): G. Watters and J. Hinke (USA)
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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 : Autor(es): O.R. Godø (Norway), C. Reiss (USA), V. Siegel (Germany) and J.L. Watkins (United Kingdom)
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Using tag-recapture data to estimate catchability of a series of random stratified trawl surveys
Heard Island and McDonald Islands (HIMI) in Division 58.5.2, a prior for catchability q of the random ... estimate of survey catchability, we recommend that a non-informative prior with uniform distribution be ... used for abundance estimates from trawl surveys in a toothfish stock assessment. The bounds of such as ... catchability of a series of random stratified trawl surveys Approval: Approved Secretariat Workflow Status ...
Meeting Document : WG-SAM-15/34 : Autor(es): W. de la Mare, P. Ziegler and D. Welsford (Australia)
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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 : Autor(es): K. Large, S. Parker and S. Hanchet
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A study on calibration for commercial echosounder using bottom backscattering strength in Antarctic
Abstract: In this study, we calibrated a commercial echosounder (ES70) installed on a krill ... V120kHz ‒ 38 kHz < 12 dB (i.e. a common ΔMVBS range of 38kHz and 120kHz to be an indicative of ... calibration. Author(s): S.-G. Choi, H. Lee, K. Lee and J. Lee Title: A study on calibration for commercial ...
Meeting Document : SG-ASAM-17/P01 : Autor(es): S.-G. Choi, H. Lee, K. Lee and J. Lee