Resultados de la búsqueda
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FURTHER DEVELOPMENTS OF A SIMULATION MODEL, ‘PATCH’, FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES
habitats. Noting the paucity of data on the ecology of these habitats, this paper further develops a ... requirement can be translated into a simple operational objective: Maintain the quality of habitats above the ... ”, a categorisation fraught with difficulty. Instead, it means that habitats for which this would not ... uncertainties to be captured in a straight-forward manner to assist CCAMLR in maintaining its precautionary ...
Meeting Document : WG-FSA-09/42 : Autor(es): A.J. Constable (Australia)
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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 : Autor(es): 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 : Autor(es): 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 : 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)