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See detailNorovirus: "new" enteropathogen agents
HUYNEN, Pascale ULg

Conference (2012, December 07)

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See detailLes norovirus: agents entéropathogènes méconnus en Médecine Humaine
HUYNEN, Pascale ULg

Conference (2010, October 21)

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See detailLes norovirus: agents entéropathogènes méconnus.
HUYNEN, Pascale ULg

Conference (2012, June 14)

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See detailLes norovirus: grands coupables méconnus de gastro-entérites.
HUYNEN, Pascale ULg

Conference (2013, May 04)

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See detailLes norovirus: nouveaux agents entéropathogènes.
HUYNEN, Pascale ULg; Mathijs, Elisabeth

Conference (2009, December 15)

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See detailNoroviruses and sapoviruses in pigs in Belgium.
Mauroy, Axel ULg; Scipioni, Alexandra ULg; Mathijs, Elisabeth ULg et al

in Archives of Virology (2008), 153(10), 1927-31

Porcine noroviruses and sapoviruses belong to the family Caliciviridae and are rarely reported in European countries. In this study, swine stools from a region representative of northern Europe were ... [more ▼]

Porcine noroviruses and sapoviruses belong to the family Caliciviridae and are rarely reported in European countries. In this study, swine stools from a region representative of northern Europe were screened for these viruses by RT-PCR. Both porcine noroviruses and sapoviruses were detected, showing their circulation in this region. The porcine norovirus strains were genetically related to genotype 19 strains in the genogroup II of the genus Norovirus. The porcine sapovirus strains were genetically related to the porcine enteric calicivirus Cowden reference strain and to newly described porcine strains in the genus Sapovirus. [less ▲]

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See detailNORS: Demonstration Network Of ground-based Remote Sensing observations in support of the GMES atmospheric service
De Mazière, M; Hocke, K; Richter, A et al

Poster (2012, September 17)

NORS (Demonstration Network Of ground-based Remote Sensing Observations in support of the GMES Atmospheric Service) aims at demonstrating the value of ground – based remote sensing data from the Network ... [more ▼]

NORS (Demonstration Network Of ground-based Remote Sensing Observations in support of the GMES Atmospheric Service) aims at demonstrating the value of ground – based remote sensing data from the Network for the Detection of Atmospheric Composition Change for quality assessment and improvement of the GMES Atmospheric Service products. [less ▲]

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See detailNorth Sea seabirds and marine mammals: pathology and ecotoxicology
Debacker, Virginie ULg; Coignoul, Freddy ULg; Das, Krishna ULg et al

Report (2004)

Les Bancs de Flandres accueillent, en hiver, une importante population d'oiseaux pélagiques. Dans le passé, ils étaient également largement fréquentés par les mammifères marins. De nos jours, on ne les ... [more ▼]

Les Bancs de Flandres accueillent, en hiver, une importante population d'oiseaux pélagiques. Dans le passé, ils étaient également largement fréquentés par les mammifères marins. De nos jours, on ne les observe que très rarement et, chaque année, quelques-uns d'entre eux et des centaines d'oiseaux sont trouvés échoués le long de la côte flamande. Ces espèces doivent être protégées, et le but de ce projet de recherche est d'étudier l'état de santé de leurs populations, son évolution temporelle, les pathologies observées et les contaminants associés, ainsi que les causes possibles de mortalités inhabituelles. La nuisance d'origine humaine la plus importante pour les oiseaux marins semble être la pollution par les hydrocarbures, mais les causes effectives des échouages des oiseaux qui ne sont pas mazoutés, et de la rareté des mammifères, restent inconnues (autres pollutions chimiques, diminution de la nourriture disponible, maladies... ?). [less ▲]

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See detailThe North Sea
Thomas, H.; Bozec, Y.; de Baar, Hein J. W. et al

in Carbon and Nutrient Fluxes in Continental Margins (2009)

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See detailThe north-eastern Black Sea redox zone hydrochemical structure: observed concentrations and estimated fluxes
Yakushev, E.V.; Chasovnikov, V.K.; Debolskaya, E.I. et al

in Proceedings of the Second International conference. Oceanography of the eastern Mediterranean and Black Sea. Similarities and differences of two interconnected basins, Zappeion international conference Centre (2002)

The fine structure of the hydrophysical and hydrochemical parameters observed in the northeastern Black Sea during the 1999-2002 RV ”Akvanavt” cruises is discussed. The observed increase of organic ... [more ▼]

The fine structure of the hydrophysical and hydrochemical parameters observed in the northeastern Black Sea during the 1999-2002 RV ”Akvanavt” cruises is discussed. The observed increase of organic phosphorus and urea at the boundary of oxic and anoxic waters testify that the hydrochmical structure is significantly influenced by chemosynthesis. The calculated nitrogen compound fluxes support the idea that organic nitrogen can be the significant part of total nitrogen in the oxic/anoxic interface. [less ▲]

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See detailThe north-eastern Polish anorthosite massifs: petrological, geochemical and isotopic evidence for a crustal derivation
Wiszniewska, Janina; Claesson, Stefan; Stein, Holly et al

in Terra Nova (2002), 14(6), 451-460

Deeply buried 1.5 Ga Polish anorthosites, accessible only by bore holes, reveal diagnostic features of some massif-type anorthosites (polybarism, jotunitic parent magma), diapirically emplaced in the mid ... [more ▼]

Deeply buried 1.5 Ga Polish anorthosites, accessible only by bore holes, reveal diagnostic features of some massif-type anorthosites (polybarism, jotunitic parent magma), diapirically emplaced in the mid crust together with the rapakivi granites of the EW-trending Mazury complex, intruded along a major crustal discontinuity. Geochemical modelling and isotope data corroborate recent experimental work on the basaltic system in dry conditions: the source rock of the parental magma is a gabbronorite, necessarily lying in the lower crust. Since no Archaean crust is known in the region, high initial Os-188/Os-187 ratios for sulphide-oxide isochrons and negative epsilon(Nd) values are best accounted for by melting a similar to 2.0 Ga mafic crust. [less ▲]

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See detailNorthern and southern hemisphere ground-based infrared spectroscopic measurements of tropospheric carbon monoxide and ethane
Rinsland, C. P.; Jones, N. B.; Connor, B. J. et al

in Journal Of Geophysical Research. Atmospheres (1998), 103(D21), 28197-28217

Time series of CO and C2H6 measurements have been derived from high-resolution infrared solar spectra recorded in Lauder, New Zealand (45.0 degrees S, 169.7 degrees E, altitude 0.37 km), and at the U.S ... [more ▼]

Time series of CO and C2H6 measurements have been derived from high-resolution infrared solar spectra recorded in Lauder, New Zealand (45.0 degrees S, 169.7 degrees E, altitude 0.37 km), and at the U.S. National Solar Observatory (31.9 degrees N, 111.6 degrees W, altitude 2.09 km) on Kitt Peak. Lauder observations were obtained between July 1993 and November 1997, while the Kitt Peak measurements were recorded between May 1977 and December 1997. Both databases were analyzed with spectroscopic parameters that included significant improvements for C2H6 relative to previous studies. Target CO and C2H6 lines were selected to achieve similar vertical samplings based on averaging kernels. These calculations show that partial columns from layers extending from the surface to the mean tropopause and from the mean tropopause to 100 km are nearly independent. Retrievals based on a semiempirical application of the Rodgers optimal estimation technique are reported for the lower laver, which has a broad maximum in sensitivity in the upper troposphere. The Lauder CO and C2H6 partial columns exhibit highly asymmetrical seasonal cycles with minima in austral autumn and sharp peaks in austral spring. The spring maxima are the result of tropical biomass burning emissions followed by deep convective vertical transport to the upper troposphere and long-range horizontal transport. Significant year-to-year variations are observed for both CO and C2H6, but the measured trends, (+0.37 +/- 0.57)% yr(-1) and (-0.64 +/- 0.79)% yr(-1), 1 sigma, respectively, indicate no significant long-term changes. The Kitt Peak data also exhibit CO and C2H6 seasonal variations in the lower layer with trends equal to (-0.27 +/- 0.17)% yr(-1) and (-1.20 +/- 0.35')% yr(-1), 1 sigma, respectively. Hence a decrease in the Kitt Peak tropospheric C2H6 column has been detected, though the CO trend is not significant. Both measurement sets are compared with previous observations, reported trends, and three-dimensional model calculations. [less ▲]

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See detailNorthern Europe: Middle to Upper Paleolithic Transition
Flas, Damien ULg

in Smith, Claire (Ed.) Encyclopedia of Global Archaeology (2014)

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See detailNorthern Ghana elephant survey
Bouché, Philippe ULg

in Pachyderm (2007), 42

Northern Ghana shelters an important protected areas network. However, the current elephant range is restricted to a few protected areas. An aerial total count was carried out in Mole National Park and ... [more ▼]

Northern Ghana shelters an important protected areas network. However, the current elephant range is restricted to a few protected areas. An aerial total count was carried out in Mole National Park and partially in Gbele Resource Reserve. The eastern and western corridors were surveyed by direct and indirect distance sampling counts. A minimum of 401 elephants were observed in Mole National Park while 15 elephants (coefficient of variation: 87%) were estimated by dung count in the extreme north of the western corridor. No elephant <br />sign was observed in the other areas surveyed. Human activities were widely spread in all areas except Mole National Park, where permanent human activities, fields and villages were outside the boundaries. Because of high human impact, elephant migration is now essentially non-existent in both corridors. The recent records of elephant in Gbele Resource Reserve make a case for a third corridor between Mole National Park and Bontioli in Burkina Faso through Gbele Resource Reserve. [less ▲]

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See detailA northern glacial refugium for bank voles (Clethrionomys glareolus).
Kotlìk, Petr; Deffontaine Deurbroeck, Valérie ULg; Mascheretti, Silvia et al

in Proceedings of the National Academy of Sciences of the United States of America (2006), 103(40), 14860-14864

There is controversy and uncertainty on how far north there were glacial refugia for temperate species during the Pleistocene glaciations and in the extent of the contribution of such refugia to present ... [more ▼]

There is controversy and uncertainty on how far north there were glacial refugia for temperate species during the Pleistocene glaciations and in the extent of the contribution of such refugia to present-day populations. We examined these issues using phylogeographic analysis of a European woodland mammal, the bank vole (Clethrionomys glareolus). A Bayesian coalescence analysis indicates that a bank vole population survived the height of the last glaciation (≈25,000–10,000 years B.P.) in the vicinity of the Carpathians, a major central European mountain chain well north of the Mediterranean areas typically regarded as glacial refugia for temperate species. Parameter estimates from the fitted isolation with migration model show that the divergence of the Carpathian population started at least 22,000 years ago, and it was likely followed by only negligible immigration from adjacent regions, suggesting the persistence of bank voles in the Carpathians through the height of the last glaciation. On the contrary, there is clear evidence for gene flow out of the Carpathians, demonstrating the contribution of the Carpathian population to the colonization of Europe after the Pleistocene. These findings are consistent with data from animal and plant fossils recovered in the Carpathians and provide the clearest phylogeographic evidence to date of a northern glacial refugium for temperate species in Europe. [less ▲]

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See detailNos élèves préfèrent Pythagore à Newton
Monseur, Christian ULg

in Pilotinfo (1997), 20(septembre),

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