Resultados de la búsqueda
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Possible causes of variation of Champsocephalus gunnari vertical and horizontal distribution
inaccessible for fishing. Conduction of census surveys during this period is pointless. In spring, during ... . Fish feed intensively during feeding period in summer, performing vertical and horizontal migrations ... . It is not recommended to make stock assessment of fish yielded with bottom fishing gear, as in this ... case, fish staying in pelagic zone is missed. In autumn, pre-spawning fish migrate to spawning areas in ...
Meeting Document : WAMI-01/08 : Autor(es): Zh.A. Frolkina and S.M. Kasatkina (Russia)
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Comparison of the diet of the blue-eyed shag Phalacrocorax atriceps by the analysis of pellets and stomach contents
Abstract: A total of 45 pellets from the blue-eyed shag Phalacrocorax atriceps were collected in ... diet, but Harpagijer antarcticus was the most frequent and important fish in number. The prey ... represented in the pellets were consistent with those observed in stomach contents sampled simultaneously in ... the same colony; however, they differed in importance. A daily mean of 0.7 pellets per bird was ...
Meeting Document : WG-EMM-95/79 : Autor(es): Silva, P., Coria, N., Favero, M., Casaux, R.
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Climate change impacts, vulnerabilities and adaptations: Southern Ocean marine fisheries
variability and anthropogenic climate change that produce high levels of variability in both physical and ... anthropogenic climate change in the short-term could be expected to be related to changes in sea ice and ... physical access to fishing grounds, whereas longer-term implications are likely to include changes in ... -dependent livelihoods in the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ...
Meeting Document : WG-EMM-18/P19 : Autor(es): K. Reid
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ELABORACIÓN DE UN MÉTODO DE EVALUACIÓN DEL CUMPLIMIENTO (DOCEP) INFORME DE LA LABOR DEL PERÍODO ENTRE SESIONES 2010/11 Y PROCEDIMIENTO DE EVALUACIÓN DEL CUMPLIMIENTO PROPUESTO PARA LA CCRVMA
conservation measures. The DoCEP process commenced in 2007 with the identification and formation of an ... intersessional working group. In the intervening period, there has been a DoCEP workshop, held in Bergen in ... Norway in 2009, which made significant progress and reported its outcomes to CCAMLR XXVIII. Further work ... proposes a compliance model for discussion in SCIC and the Commission. Author(s): Convener, DOCEP Title ...
Meeting Document : CCAMLR-XXX/31 : Autor(es): Convener, DOCEP
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Estimating the biodiversity of the shelf and oceanic zone of the d’Urville Sea (East Antarctica) for ecoregionalisation using the CEAMARC (Collaborative East Antarctic Marine Census) CAML surveys
masses. Spatial differences in pelagic species assemblages are observed but it varies from year to year ... of the areas identified in the proposal (140-150°E from the coast to 60°S). This area has been ... studied by a number of countries in the CEAMARC surveys (Collaborative East Antarctic Marine Census) as ... hosted by France in Brest in late May 2011. It collates and synthesises available data from the CEAMARC ...
Meeting Document : WS-MPA-11/07 : Autor(es): P. Koubbi (France), G. Hosie, A. Constable, B. Raymond (Australia), M. Moteki (Japan), N. Améziane, R. Causse (France), V. Fuentes (Spain), K. Heerah, F. Penot, D. Vincent, A. Ancel, C.A. Bost, M. Eléaume (France), D. Lindsay (Japan), M. Lindsay (Australi
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Oiled penguins observed at Bird Island, South Georgia, 1992/1993
Abstract: In the first observation of oiled seabirds at Bird Island, South Georgia since the ... station was opened in 1975, six freshly-oiled penguins (one chinstrap, five gentoos) were recorded ashore ... in July and August 1993. Because gentoo penguins feed very close inshore in winter they must have ... of the oil. Large concentrations of penguins were seen in this area by a US research cruise in June ...
Meeting Document : SC-CAMLR-XII/BG/15 : Autor(es): Delegation of United Kingdom
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Seabird and longline interactions: effects of a bird-scaring streamer line and line shooter on the incidental capture of northern fulmars Fulmarus glacialis
line and a line shooter was investigated in commercial longlining in the northern Atlantic off the ... mitigation measures, a combination of both and no mitigation measure. A total of 58,420 hooks were set in ... was caught when the bird-scaring line was used in combination with the line shooter. In contrast, 32 ... fulmars were caught in sets with no mitigation device and thirteen in sets with the line shooter alone ...
Meeting Document : WG-FSA-01/78 : Autor(es): S. Løkkeborg (Norway) and G. Robertson (Australia)
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Global relationships amongst black-browed albatrosses: analysis of population structure using mtDNA and microsatellites
five island groups in the Southern Ocean. High levels of sequence divergence were found in both taxa ... (0.55–7.20% in black-browed albatrosses and 2.10–3.90% in grey-headed albatrosses). Black-browed ... , indicating high levels of mixture and hybridization. In contrast, grey-headed albatrosses form one globally ... markers found similar population structure to the mtDNA analyses in both black-browed and grey-headed ...
Meeting Document : WG-FSA-01/19 : Autor(es): T.M. Burg and J.P. Croxall (United Kingdom)
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DISTRIBUTION AND ABUNDANCE OF SKATES ON THE KERGUELEN PLATEAU (CCAMLR DIVISIONS 58.5.1 AND 58.5.2)
Abstract: Three species of skates are commonly taken as incidental by-catch in the Patagonian ... Plateau, showing different spatial distributions, linked mainly with depth. In the Australian EEZ, B ... in the HIMI region. The smallest species, B. murrayi, occurs only in the shallower waters down to ... from the trawl fisheries at HIMI are low and do not show any evidence of depletion in the main fishing ...
Meeting Document : WG-FSA-09/43 : Autor(es): G.B. Nowara, D.C. Welsford, T. Lamb (Australia), N. Gasco, P. Pruvost and G. Duhamel (France)
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A generalized discriminant for sexing fulmarine petrels from external measurements
birds to predict the sex of unknown individuals in field studies. Geographic variation in size and shape ... , Daption capense; and Snow Petrel, Pagodroma nivea) assigned 81 to 98% of birds in the samples to the ... single discriminant. Adequate performance of this generalized discriminant in samples of different ... species shows its validity for use in other populations of any of these species. The generalized function ...
Meeting Document : WG-CEMP-94/24 : Autor(es): J.A. van Franeker and C.J.F. ter Braak (The Netherlands)