Resultados de la búsqueda
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Propuesta para perfeccionar el plan preliminar de investigación y seguimiento para el Área Marina Protegida de la Región del Mar de Ross
the MPA objectives. There were great deal of discussions in this regard over the last two years, and ... divergent views expressed. With the intention to make contribution to improve the draft RSRMPA RMP, some ...
Meeting Document : SC-CAMLR-38/21 : Autor(es): Delegation of the People’s Republic of China
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Beach debris survey - Main Bay, Bird Island, South Georgia 1994/95
Abstract: The fifth year of survey of beach debris at Main Bay, Bird Island reported a 3-fold ... increase in overall debris levels (725 items reported in 1994/95 compared with 225 items in 1993/94 ...
Meeting Document : CCAMLR-XV/BG/04 : Autor(es): Delegation of the United Kingdom
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Fishery Report: Dissostichus eleginoides (TOP) Kerguelen Islands (Division 58.5.1)
is active throughout the year with the exception of a summer closure period (1 February to either 1 ... each year are given at the top of each panel. Figure 3: Length frequencies for Dissostichus ... 2.0 0.22 1 217 2012 1 541 2 957 2 957 7 1.9 0.23 1 133 Table 3: Number of sets by month and year ... . Stocks and areas ......................................................................... 4 3 ...
Document : Site Section: Publications
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Near-shore acoustic surveys for Antarctic krill at South Georgia, January 2004
observations from the past 20 years. A low density was perhaps not unexpected in line with recent cyclical ... removable scaffold-tubing frame midships. With sails up the yacht had good roll stability and useable data ... were collected in seastate 6 with winds up to 30 knots and swells of approximately 2.5 m at survey ... of data from small vessels operating near shore with data collected over more extensive, off shore ...
Meeting Document : WG-EMM-04/35 : Autor(es): A.S. Brierley, P.N. Trathan, J. Poncet and A. Morton (United Kingdom)
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An update of the ageing program for Patagonian toothfish (Dissostichus eleginoides) at the Australian Antarctic Division, including a summary of new data available for the Integrated Stock Assessment for the Heard Island and the McDonald Islands fishery (Division 58.5.2)
) otoliths from the Heard Island and McDonald Islands fishery. With the reinitiation of this program a number ... age. These changes have contributed to increased efficiency within the program, with a greater ... laboratory, with otoliths now set in smaller resin blocks that take much less time to section, and in quality ... for identifying otoliths that may have been aged with good precision between the two readers, but may ...
Meeting Document : WG-FSA-14/45 : Autor(es): B.M. Farmer, E.J. Woodcock and D.C. Welsford (Australia)
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Informe de pesquerías: Pesquería exploratoria de Dissostichus spp. en Subáreas 88.1 y 88.2
) Year B io m as s ('0 00 t) 1996 1998 2000 2002 2004 2006 0 20 40 60 80 100 120 140 ... ) Year B io m as s ('0 00 t) 1996 1998 2000 2002 2004 2006 0 10 20 30 40 50 Figura ...
Document : Site Section: Publications
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Spatial and temporal distribution of krill Euphausia superba biomass in the Ross Sea (1989/90, 1994/95)
comparison the biomass from different years, the whole investigated area was divided in rectangles of 1°x30 ... 1994 was about 3 min. tons. The investigated area was approximately 30000 nm2 and the mean biomass ...
Meeting Document : WG-EMM-97/53 : Autor(es): Kalinowski, J., Azzali, M.
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Apparent decrease of Weddell seal numbers in the western Ross Sea
Abstract: Ground counts during 1959-1968 compared with counts using high resolution satellite ... . Coincident with the fishery, lower numbers and size of toothfish have been reported in McMurdo Sound and data ... from seals tracked by satellite indicate wider foraging range during winter than 20 years ago. A large ...
Meeting Document : WG-EMM-14/44 : Autor(es): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)
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Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18
. This initial year will be used for exploration with particular emphasis on tagging efforts and habitat ... mapping, and the study will adhere to principles and guidance expressed in CM 41-01. In future years the ... that in 2018 a new Norwegian vessel will be available, equipped with advanced technology for sampling ...
Meeting Document : WG-SAM-17/06 : Autor(es): Delegation of Norway
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Krill (Euphausia superba) distribution contracts southward during rapid regional warming
Euphausia superba (hereafter, ‘krill’) has contracted southward over the past 90 years. Near their northern ... juveniles following positive anomalies of the Southern Annular Mode. Such anomalies are associated with warm ... , with associated nonlinear adjustments in the roles of keystone species, poses challenges for the ...
Meeting Document : WG-EMM-2019/P02 : Autor(es): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, C.S. Reiss, V.J. Loeb, D.K. Steinberg, K. Schmidt, G.A. Tarling, L. Gerrish and S.F. Sailley