Resultados de la búsqueda
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Improving observer’s identification skills for better data quality through a phone application
Abstract: The quality of observer’s data is obviously a very important point to produce the best ... observers memorizing species name. Author(s): N. Gasco, A. Martin, C. Chazeau, C. Péron, P. Pruvost and G ... . Duhamel Title: Improving observer’s identification skills for better data quality through a phone ...
Meeting Document : WG-FSA-18/30 : Autor(es): N. Gasco, A. Martin, C. Chazeau, C. Péron, P. Pruvost and G. Duhamel
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A RE-ANALYSIS AND UPDATE OF THE ANTARCTIC KRILL BIOMASS IN THE SOUTH SHETLAND ISLANDS, THROUGH 2011
based data show that 2011 was a year of good recruitment, following two years of low recruitment. Krill ... in a biomass of more than 128 000 tons. Refining biomass estimates and estimates of recruitment will ... most rapid climate change as well as population declines of major land-based predators. Author(s): A ... . Cossio, C. Reiss and R. Driscoll (USA) Title: A RE-ANALYSIS AND UPDATE OF THE ANTARCTIC KRILL BIOMASS IN ...
Meeting Document : WG-EMM-11/26 : Autor(es): A. Cossio, C. Reiss and R. Driscoll (USA)
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Supplement to the krill synoptic survey design in Area 48 (with participation of a Russian scientific research vessel)
distribution over the whole water area of Subareas 48.1-48.4 covering a vast zone of krill drift and that of ... reveal interrelations between individual Subareas of the same. It is given a supplement to the most up-to ... being a part of the forthcoming synoptic survey in Area 48. Author(s): V.A. Sushin, S.M. Kasatkina and ... participation of a Russian scientific research vessel) Approval: Approved ...
Meeting Document : WG-EMM-99/43 : Autor(es): V.A. Sushin, S.M. Kasatkina and F.F. Litvinov (Russia)
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A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season
, fished commercially for mackerel icefish at South Georgia (Subarea 48.3) using a midwater trawl for ten ... were due to a low standing stock of the target species, or the inexperience of the fishing master ... . Author(s): G. Parkes, A. King and C. Jones (United Kingdom) Title: A summary of the commercial fishery ...
Meeting Document : WG-FSA-98/53 : Autor(es): G. Parkes, A. King and C. Jones (United Kingdom)
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Depletion-based stock reduction analysis: a catch-based method for determining sustainable yields for data-poor fish stocks
Abstract: We describe a method for determining reasonable yield and management reference points ... annual catches, approximate natural mortality rate and age at maturity. A production function is ... unknown parameter, which can be estimated given a designated relative depletion level near the end of the ... stocks. Author(s): E.J. Dick and A.D. McCall Title: Depletion-based stock reduction analysis: a catch ...
Meeting Document : WG-SAM-11/P2 : Autor(es): E.J. Dick and A.D. McCall
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Towards a new method for age determination in Antarctic krill, and evidence that krill shrink under natural conditions
summer show an apparent linear relationship between crystalline cone number and body-length. From a ... be a more reliable indicator of age than body-length alone. The ratio of crystalline cone number to ... body-length offers a method for detecting the effect of shrinking in natural populations of krill. On ... . Author(s): W. de la Mare (Australia) Title: Towards a new method for age determination in Antarctic ...
Meeting Document : WG-Krill-94/17 : Autor(es): W. de la Mare (Australia)
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A revised assessment of Patagonian toothfish in Subarea 48.4
, into northern and southern components. The northern component is assessed as a single species of D ... . eleginoides whilst the southern component is assessed as a combination of D. eleginoides and D. mawsoni. Both ... , covering the whole of the subarea, would be a more appropriate method for assessing the stocks than the ... Kingdom) Title: A revised assessment of Patagonian toothfish in Subarea 48.4 Approval: Approved ...
Meeting Document : WG-SAM-13/24 : Autor(es): R. Scott (United Kingdom)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2014
. Please note, that the current state of the background document presents a comprehensive yet incomplete ... , (iii) to inform on the data retrieval process, (iv) to provide- for the first time- a comprehensive ... work beyond the development of the scientific basis for the evaluation of a Weddell Sea MPA. Author(s ... ): Delegation of Germany Title: Scientific background document in support of the development of a CCAMLR MPA in ...
Meeting Document : SC-CAMLR-XXXIII/BG/02 : Autor(es): Delegation of Germany
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A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey
model and a preliminary assessment for mackerel icefish (Champsocephalus gunnari) population structure ... Generalized Yield Model). The 2017 survey showed a large 3+ cohort dominating the population. An updated ... parameters resulted in only a small impact on yield. Catches of 526 t in the 2017/18 season and 395 t in the ... . Maschette, P. Burch, P. Yates and D. Welsford Title: A preliminary assessment and revised growth model of ...
Meeting Document : WG-FSA-17/22 : Autor(es): D. Maschette, P. Burch, P. Yates and D. Welsford
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A condensed history and document of the method used by CCAMLR to estimate krill biomass (B0) in 2010
Antarctic marine food web, being prey to a wide variety of dependent species as well as being commercially ... model and krill yield model (Constable and de la Mare, 1996; Butterworth et al. 1994). A key parameter ... survey design, implementation and original analysis (CCAMLR 1999; 2000). Since 2000 a number of re ... highlighted in bold. This document does not describe a re-design of the CCAMLR synoptic survey, but details ...
Meeting Document : WG-EMM-16/38 : Autor(es): S. Fielding, A. Cossio, M. Cox, C. Reiss, G. Skaret, D. Demer, J. Watkins and X. Zhao