Resultados de la búsqueda
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Species profile of mackerel icefish (Champsocephalus gunnari)
and became the target species of fisheries in many parts of the low-Antarctic from 1975 to 1990 ... . Exploitation has been limited to South Georgia and Heard and McDonald Islands since the second half of the 1990 ... ’s with annual catches of a few thousand tonnes in each of the two areas. Aspect of the biology and ... exploitation of the species have been summarized in Kock and Everson (2003) and Kock (2005). Additional ...
Meeting Document : WG-FSA-07/12 : Autor(es): K.-H. Kock (Germany) and I. Everson (UK)
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A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures
Abstract: CCAMLR requires an assessment method for recommending a subdivision of the krill catch ... limit in Area 48 that will be highly likely to achieve the objectives of the convention despite the ... uncertainties in knowledge. This will be part of the management procedure governing the krill fishery. The ... agreed workplan for developing a management procedure includes the evaluation of candidate management ...
Meeting Document : WG-EMM-04/24 : Autor(es): A. Constable (Australia)
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On the problem of icefish (Champsocephalus gunnari) (Channichthyidae) and krill (Euphausia superba) interaction in the South Georgia area
Abstract: The interaction of icefish and krill in the South Georgia area has been analysed on the ... basis of the trawling, acoustic and juvenile fish surveys carried out by AtlantNIRO during 1986-2002 and ... the data of the national fishery. It is demonstrated that?.gunnari both at the early development ... stages and as adults utilize the pelagic forage resource, the bulk of which is constituted by krill. At ...
Meeting Document : WG-FSA-04/41 : Autor(es): S.M. Kasatkina and Zh.A. Frolkina (Russia)
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Comparison between the CCAMLR-2000 and KY 1988 surveys on environmental variability of krill in the Scotia Sea, Antarctica
Abstract: We assessed the environmental variability of Antarctic krill (Euphausia superba ... in December 1999. The Antarctic Surface Water mass, consisting of Winter Water and Summer Surface ... Antarctic Surface Water in 2000 reduced southward. Geographical distribution of krill, which approximates ... the area of the Antarctic Surface Water, in 1987/88 extended northward with high density. In contrast ...
Meeting Document : WG-EMM-02/43 : Autor(es): M. Naganobu (Japan), M. Brandon (United Kingdom), K. Ito, K. Segawa (Japan) and V. Siegel (Germany)
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Spatio-temporal trends of longline fishing effort in the Southern Ocean and implications for seabird by-catch
the more recent development and expansion of demersal longline fleets for species such as Patagonian ... toothfish, these vessels are a major source of mortality to several species of seabird. Vessels can set many ... thousands of baited hooks in a day across many kilometres of water. These waters are often used as foraging ... hooks and subsequently drown. To provide a greater understanding of the potential impact of the Southern ...
Meeting Document : WG-FSA-02/43 : Autor(es): G.N. Tuck, T. Polacheck and C.M. Bulman (Australia)
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Comparison of temperature situation near South Georgia in December–February, 1989–1990, 1990–1991, 1999–2000 and 2000–2001 on satellite data and information about krill catches in Subarea 48.3
Abstract: Monitoring of the sea surface temperature (SST) in Subarea 48.3 on satellite data (GOES ... -E, Meteosat), use of in situ data and the further analysis of the SST maps, maps of the SST ... survey area. Analysis of this situation based on data obtained in expeditions, as well as literature and ... the CCAMLR materials could allow us to assess, with a certain degree of reliability, a potential ...
Meeting Document : WG-EMM-01/11 : Autor(es): G. Vanyushin (Russia)
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Relationships between the distribution of whales and Antarctic krill Euphausia superba at South Georgia
Abstract: The distribution of whales and krill in two survey boxes north of South Georgia was ... examined by comparing sightings and underway acoustic data collected as part of a multidisciplinary ... research cruise during January/February 1998. A total of 222 cetaceans of 10 species was recorded with ... frequent. The largest aggregation of cetaceans (21 southern right whales, 18 fin whales (Balaenoptera ...
Meeting Document : WG-EMM-99/30 : Autor(es): K. Reid, A.S. Brierley (United Kingdom) and G.A. Nevitt (USA)
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ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA IN MAN-MADE DEBRIS AT BIRD ISLAND, SOUTH GEORGIA DURING THE 2007 WINTER AND 2007/08 BREEDING SEASON
Abstract: Results of the survey of entanglements of Antarctic fur seals Arctocephalus gazella at ... summer (November 2007 to March 2008) are reported here. During the reporting period of 1 April 2007 to 31 ... March 2008 a total of 36 entangled seals were observed. Sixteen and 20 entanglements were observed in ... for 25% of winter and 10% of summer entanglements. During winter, synthetic string/longline material ...
Meeting Document : WG-FSA-08/27 : Autor(es): E.W.J. Edwards (UK)
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Water mass distribution and circulation west of the Antarctic peninsula and including Bransfield Strait
Abstract: Historical hydrographic data from Bransfield Strait and the region west of the ... Antarctic Peninsula were analyzed to provide a description of water mass distributions and circulation ... patterns. Circumpolar Deep Water (CDW), which is characterized by temperatures above 1.0°C, salinities of ... this water mass floods the continental shelf west of the Antarctic Peninsula. CDW is also found in ...
Meeting Document : WG-EMM-95/67 : Autor(es): Smith, D.A., Lascara, C.M., Klinck, J.M., Hofmann, E.E.
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Spatial scales of benthic invertebrate habitats from fishery by catch and video transect data in the Ross Sea region
presence of sponge and/or gorgonian bycatch are identifiable, as are several areas of dense fishing effort ... with no evidence of sponge or gorgonian presence. Identifiable sponge and/or gorgonian habitats ... occurred at a typical scale of 10-30 km 2, though some sponge habitats appeared larger. Spatial analysis of ... these data allows the detectability of sponges and gorgonian corals to be estimated, along with changes ...
Meeting Document : WG-EMM-10/28 : Autor(es): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)