Resultados de la búsqueda
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The ‘CAML/SCAR-MarBIN Biogeographic Atlas of the Southern Ocean’
extensive biodiversity exploration and assessment by the Census of Antarctic Marine Life (www.caml.aq), with ... of biogeographic data by the SCAR-Marine Biodiversity Information Network (www.scarmarbin.be), a new ... extended by a dynamic online version on the SCAR-MarBIN portal. Contacts: co-chief editors: Dr Claude De ...
Meeting Document : WS-MPA-11/15 : Autor(es): C. De Broyer (Belgium) and P. Koubbi (France)
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THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL
might be incurred by not deciding on such an allocation (i.e., a risk assessment of status quo ... management) be undertaken. We used the same methods applied by the WG-EMM in 2008, including averaging ... the risks of status quo management, we identify three approaches by which the Commission can manage ...
Meeting Document : WG-EMM-09/12 : Autor(es): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)
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ENVIRONMENTAL FORCING AND SOUTHERN OCEAN MARINE PREDATOR POPULATIONS: EFFECTS OF CLIMATE CHANGE AND VARIABILITY
environment driven by physical forcing from the ENSO region in the Pacific. Wherever examined, these ... of higher trophic-level marine predators. Where predator species are not able to accommodate by ... oceanographically interconnected, is not a single ecosystem and different areas are dominated by different food webs ...
Meeting Document : WG-EMM-08/P06 : Autor(es): P.N. Trathan, J. Forcada and E.J. Murphy
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DATA QUALITY ASSESSMENT IN CCAMLR: REQUIREMENTS FOR MINIMUM INTEGRITY TESTING TO ENSURE THAT DATA ARE FIT FOR PURPOSE
. CCAMLR data are validated at various levels, from data collection and submission by owners/originators ... , through the Secretariat’s data processing, to analyses conducted by scientists and Working Groups. Data ... detected during the Secretariat’s data validation. Further, some data had been inadvertently replicated by ...
Meeting Document : WG-SAM-09/05 : Autor(es): Secretariat
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GROUNDFISH SURVEY IN CCAMLR SUB-AREA 48.3 IN APRIL 2008 WITH PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH
of 30,050. Catch-weighted length frequencies indicated that icefish population was dominated by 2 ... tonnes in Years 1 & 2 respectively. The Patagonian toothfish population was dominated by the same ... cohort that has been detected by surveys since 2003, with no evidence of new recruitment since. Biomass ...
Meeting Document : WG-FSA-08/28 : Autor(es): M.A. Collins, R.E. Mitchell, C.E. Main, J. Lawson, J. Watts, J. Slakowski, L. Featherstone and O. Rzewuski (UK)
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
hyadesi in the Scotia Sea a revision is presented of annual consumption of the species by higher predators ... research fishing and commercial catches. The species is consumed by seabirds, seals and whales and the most ... season. A conservative estimate for total annual consumption by higher predators in the Scotia Sea is ...
Meeting Document : WG-FSA-96/20 : Autor(es): Rodhouse, P.G.
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Fundamentos científicos de la propuesta conjunta de Nueva Zelandia y Estados Unidos para establecer un área marina protegida en la región del Mar de Ross
organize our summary by linking spatial data to the specific protection and scientific objectives of the ... redistribute catches taken by the longline fishery for Antarctic toothfish. About 20% of the historical catch ... taken by the fishery was removed from within the boundaries of the proposed MPA. Although it is not ...
Meeting Document : SC-CAMLR-IM-I/08 : Autor(es): Delegations of the USA and New Zealand
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Potential climate change effects on the habitat of Antarctic krill
projections suggest that further widespread warming of 0.27° to 1.08°C will occur by the late 21st century. We ... that the direct effects of warming could reduce the area of growth habitat by up to 20%. The reduction ... production within this range could be reduced by up to 68%. Sensitivity analysis suggests that a 50% change ...
Meeting Document : WG-EMM-13/20 : Autor(es): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)
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Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.3a
Abstract: Catch and effort data recorded by all vessels were analyzed using the latest CCAMLR C2 ... this reason, we propose the mitigation rule so that 50% of lines are required to be separated by not ... research. We propose the relaxation of rule by increasing the current trigger level of 1 500 kg for the ...
Meeting Document : WG-FSA-13/40 : Autor(es): Delegation of Japan
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Semi-automated software to count and validate Adélie penguin colonies from aerial photographs
user interface program. Previously, this task had been accomplished by manual marking of printed images ... ground) from the guano-covered colony area, followed by morphological image processing operators to ... counts. Validation of the counts against an experienced human counter is assisted by facilities to ...
Meeting Document : WG-EMM-14/54 : Autor(es): S.J. McNeill, K.J. Barton and P.O’B. Lyver (New Zealand)