References of "2004"
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See detailChapter 3, The Integument : Morphology and Biochemistry
Compère, Philippe ULg; Jeuniaux, Charles ULg; Goffinet, Gerhard ULg

in Forest, J.; von Vaupel Klein, J. C.; Schram, F. R. (Eds.) The Crustacea revised and updated from the Traité de Zoologie Vol 1 (2004)

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See detailMigrants and ethnic minorities in Belgium
Jamin, Jérôme ULg

Report (2004)

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See detailLa difficile mesure du travail bénévole dans les institutions sans but lucratif
Mertens de Wilmars, Sybille ULg; Lefebvre, Mathieu ULg

in Compte satellite des institutions sans but lucratif 2000 et 2001 (2004)

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See detailLe sourire de Marcel La Haye
Purnelle, Gérald ULg

in La Haye, Marcel (Ed.) Poésies (2004)

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See detailLa brique crue
Berthelet, Yann ULg

E-print/Working paper (2004)

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See detailRecombination and somatic elimination of a Gossypium australe chromosome in G. hirsutum
Sarr, D.; Baudoin, Jean-Pierre ULg; Mergeai, Guy ULg

in Proceedings of the Beltwide cotton improvement conference (2004)

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See detailMise en évidence des zones touchées par la désertification par télédétection a basse résolution au Niger
Hountondji, Yvon ULg; Ozer, Pierre ULg; Nicolas, Jacques ULg

in Cybergeo : Revue Européenne de Géographie = Cybergeo - European Journal of Geography (2004)

In order to identify areas where desertification may have occurred over the last two decades, 109 stations located in three bioclimatic zones of Niger are analyzed. Time series of remote sensing data are ... [more ▼]

In order to identify areas where desertification may have occurred over the last two decades, 109 stations located in three bioclimatic zones of Niger are analyzed. Time series of remote sensing data are well suited to this task. Here, we use time series of NOAA AVHRR normalized difference vegetation index (NDVI) data and rainfall data. In this study, trend analysis is used to identify areas within the biomes from 1981 to 1999 in Niger with apparent land degradation in semi-arid areas. It appears that most of Niger (98%) recorded increasing rainfall while only 76% experienced increasing maximum NDVI. However, the combination of the two variables through the ratio shows a widespread reduction of the rain-use efficiency with non significant trend for the stations located in northern Sahel (p=0.52), highly significant for those located in central Sahel (p=0.00009) and significant in southern Sahel (p=0.041). Overall, 75.3% of the sample recorded a significant reduction of the NDVIMax/RR ratio. Only one station out of four (24.7%) presented a stability of the ratio. These negative trends suggest a progressive diminution of the vegetation productivity as highlighted by the lowering of the NDVIMax/RR ratio. This situation suggest a consistently environmental degradation and that desertification processes continued during the last two decades over most of the Sahelian belt of Niger. [less ▲]

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See detailOutskirts Dynamics and new Residential Developments in Belgium. A comparative Analysis with the Swiss and Danish Contexts
Halleux, Jean-Marie ULg

in Franzen, M.; Halleux, Jean-Marie (Eds.) European Cities, Insight on Outskirts. Dynamics (2004)

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See detailState of the art and challenges of post-harvest diseases management in apples
Jijakli, Haissam ULg; Lepoivre, Philippe ULg

in Mukerij, K. G. (Ed.) Disease Management of fruit and vegetables (2004)

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See detailLes dimensions territoriales du développement durable
Merenne-Schoumaker, Bernadette ULg

in G.E.O (2004), (55), 45-61

Cet article cherche à montrer les liens étroits entre développement durable et territoires. A cette fin, trois sujets sont abordés : l’explosion de la mobilité, l’étalement urbain et la désurbanisation et ... [more ▼]

Cet article cherche à montrer les liens étroits entre développement durable et territoires. A cette fin, trois sujets sont abordés : l’explosion de la mobilité, l’étalement urbain et la désurbanisation et les risques liés à l’action humaine. Dans chaque cas, un cheminement en quatre temps est proposé :définitions et savoirs de base, faits et causes, problèmes engendrés et pistes de solutions [less ▲]

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See detailRebabelizar el mundo. Por una ética de la reciprocidad
Brisset, Annie; Willson, Patricia ULg

Article for general public (2004)

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See detailMotor cortex excitability in Alzheimer's disease and in subcortical ischemic vascular dementia.
Alagona, Giovanna; Ferri, Raffaele; Pennisi, Giovanni et al

in Neuroscience Letters (2004), 362(2), 95-8

Twenty Alzheimer's disease (AD) patients, 20 subcortical ischemic vascular dementia (SIVD) patients and 20 neurologically and cognitively normal subjects underwent transcranial magnetic stimulation to ... [more ▼]

Twenty Alzheimer's disease (AD) patients, 20 subcortical ischemic vascular dementia (SIVD) patients and 20 neurologically and cognitively normal subjects underwent transcranial magnetic stimulation to study motor cortex excitability changes. Motor threshold (MT), amplitude of motor evoked potentials, silent period and the H/M ratio (amplitude of maximal Hoffman reflex vs. that of maximal motor response) were considered. MT was lower in SIVD patients when compared with AD patients (P = 0.003) and the control group (P < 0.001) and lower in AD patients when compared with the control group (P < 0.001). The increment of motor cortex excitability in AD and SIVD did not lead us to distinguish clearly the two types of dementia. It is likely that the electrophysiological similarity between AD and SIVD could represent another common mechanism shared from these forms of dementia. [less ▲]

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See detailChronique de la 58ème Session de la Société Internationale Fernand de Visscher au Brésil (20-25 Septembre 2004)
Gerkens, Jean-François ULg

in Revue Internationale des Droits de l'Antiquité (2004), LI

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