References of "2012"
     in
Bookmark and Share    
Full Text
See detailPilot project « Walphy » : Walloon experimentation of river restoration
Peeters, Alexandre ULiege; Verniers, Gisèle; de le Court, Bernard et al

Conference (2012, April 20)

According to the Water Framework Directive (WFD 2000/60), our rivers and water bodies are required to achieve the “good ecological status” by 2015. This requirement is related to the physico-chemical ... [more ▼]

According to the Water Framework Directive (WFD 2000/60), our rivers and water bodies are required to achieve the “good ecological status” by 2015. This requirement is related to the physico-chemical, biological water quality as well as the hydromorphological quality. In this context, a LIFE Environment project, co-founded by the European Union and the Service Publique de Wallonie, was launched in 2009 for a period of five years. It aims to realize the experimental and demonstrative river restoration works on three “at risk” water bodies, based on two axes: longitudinal continuity and transversal continuity. The first two selected water bodies (Bocq, eastern tributary of the Meuse) are suitable for the restoration works which concern the longitudinal continuity due to the presence of dams and other obstacles between 1 and 3 m high. These works consist in dam management (weir removal or fish ladders) taking into account hydromorphological (bedload transport) and biological (invertebrate or fish species free movement) impacts. The third water body (Eau Blanche, western tributary of the Meuse) presents straightened rivers with artificial banks which consequently lead to poor connections between the stream and its floodplain. This water body is therefore appropriated for the works based on the transversal continuity recovery. These works consist in enhancing straightened river channel and restoring meanders or banks. Until now, these works have been realized on more than 5 km. These works are being monitored on the basis of geomorphological and ecological analysis. The geomorphological monitoring is based on surveys conducted before and after the works. It concerns the bedload transport, the clogging of the gravel layer and the morphological changes of the river following the works. The ecological monitoring is based on two indicators: macroinvertebrates and fishes. Standardized and repeatable methods were developed to compare the situation before and after the works, especially through the analysis of microhabitats. In addition, we use another two complementary indexes of physical quality for this monitoring. Developed by the consulting office Teleos, these indexes have a fish orientation and have been implemented in many of our stations. [less ▲]

Detailed reference viewed: 65 (12 ULiège)
Full Text
See detailBelgique et proportionnalisme; France et système majoritaire: comparaison et effets
Verjans, Pierre ULiege

Conference given outside the academic context (2012)

La modalité de négociation institutionnelle en Belgique qui a clôturé la crise 2007-2012 est marquée par des concessions mutuelles des partenaires. Le système électoral proportionnel rend les décisions ... [more ▼]

La modalité de négociation institutionnelle en Belgique qui a clôturé la crise 2007-2012 est marquée par des concessions mutuelles des partenaires. Le système électoral proportionnel rend les décisions plus lentes tandis que le système électoral majoritaire accélère les prises de décisions. [less ▲]

Detailed reference viewed: 41 (4 ULiège)
See detailBilan prématuré d'une expérience collective d'enseignement
Cormann, Grégory ULiege

Conference (2012, April 20)

Detailed reference viewed: 14 (1 ULiège)
Full Text
See detailReflections on the notion of 'consumer behaviour'
Hendrickx, Kim ULiege

Conference (2012, April 20)

Today, consumer behavior has become a key concept in scientific publications and in international public health strategies. Both 'behavior' and the 'consumer' are in the title of the 3rd annual conference ... [more ▼]

Today, consumer behavior has become a key concept in scientific publications and in international public health strategies. Both 'behavior' and the 'consumer' are in the title of the 3rd annual conference of the Belgian Nutrition Society. This paper proposes a reflection on these concepts, and invites for further discussion. Firstly, the 'consumer' and his attributes will be briefly explored through an analysis of the Health Claims Regulation EC No 1924/2006. This document, intended to protect consumers from misleading information, uses a model of the consumer rooted in rational choice theory. Secondly, as medical sociologist David Armstrong (2009) has shown, the term 'behavior' has been brought in relation to health outcomes only relatively recently in medicine and public health. As such, it has come to be defined as a modifiable risk factor. I argue that European public health strategies have integrated this definition of behavior and the related idea of 'lifestyle' into rational choice theory. As such, 'behavior' and 'lifestyle' frame problems of health and disease in a specific way. The third section of this paper will confront this model of problem-framing with different understandings of 'behavior' coming from historical and contemporary sociological research. [less ▲]

Detailed reference viewed: 76 (2 ULiège)
Full Text
See detailGeophysical identification, characterization, and monitoring of preferential groundwater flow paths in fractured media
Robert, Tanguy ULiege

Doctoral thesis (2012)

This thesis investigates fractured zones leading to preferential groundwater flow paths. In this context, we used the electrical resistivity tomography (ERT) and the self-potential (SP) methods to ... [more ▼]

This thesis investigates fractured zones leading to preferential groundwater flow paths. In this context, we used the electrical resistivity tomography (ERT) and the self-potential (SP) methods to identify, characterize, monitor, and finally model preferential flow in hydraulically-active fractured zones at a scale representative of real world applications. From an experimental point of view, we first identified the magnitude of self-potential signature, a -15 mV anomaly that could be associated with preferential groundwater flow in a shallow quartzite aquitard whereas the streaming potential theory was originally developed for porous media. This signature was confirmed experimentally in limestone aquifers at greater depths. The joint use of surface ERT and SP allowed the identification of water-bearing fractured areas which were electrically more conductive, presenting contrasts from 1 to 10 and which were hydraulically-active presenting negative SP anomalies ranging from -10 to -30 mV. We were also able to correlate hydraulic heads and SP gradients during a low and a high groundwater level period leading to interesting perspectives in understanding the dynamics of complex groundwater flow systems. Finally, a preferential flow and rapid transport path, over 10 m/h, was highlighted in a 20 m deep fractured and karstified limestone valley by monitoring a salt tracer test with only surface ERT. This methodology was being mostly used for relatively shallow and homogeneous aquifers up to now. Such information is crucial to set up new monitoring wells or to define the sampling rates of classic tracer test. From a methodological point of view, we quantitatively assessed the efficiency of blocky and minimum-gradient-support regularizations in electrical imaging to recover sharp interfaces on numerical benchmarks and with field data. The usefulness of resolution indicators such as the cumulative sensitivity matrix and the resolution matrix were also assessed in this context. We demonstrated that noise characterization is crucial in time-lapse inversion and may supplant the choice of the time-lapse inversion scheme, calling for a systematic analysis of reciprocal measurements (or a subset of them). We also showed that, when using data differences in an inversion scheme, the data error, as estimated by time-lapse reciprocal measurements, depends on the mean measured resistance. These error characterization studies should always be performed if one wants to avoid wrong interpretations about the hydrodynamics. We further showed that focused inversion techniques (blocky inversion, minimum-gradient-support) may offer great perspectives when recovering model changes in time-lapse inversion. Finally, ERT and SP were jointly used to conceptualize a physically-based and spatially distributed hydrogeological model, in particular to characterize the preferential flow paths. Predicted hydraulic heads and SP-derived hydraulic heads using the water table model showed a clear correlation, leading to perspectives in terms of hydrogeological model calibration. Further experiments are however needed to fully estimate the streaming potential apparent coupling coefficient, but the use of the full SP signals for hydrogeological model calibration is a clear perspective to this work. [less ▲]

Detailed reference viewed: 215 (56 ULiège)
See detailMélanome et produits chimiques à effet perturbateur endocrinien
DEWALQUE, Lucas ULiege

Scientific conference (2012, April 20)

Detailed reference viewed: 10 (1 ULiège)
See detailPay[S]age
Occhiuto, Rita ULiege

in PAESAGGIO URBANO STORICO (2012, April 20)

Detailed reference viewed: 21 (2 ULiège)
See detailIntroduction
Dumont, Jonathan ULiege; Masson, Christophe ULiege

Conference (2012, April 20)

Detailed reference viewed: 20 (2 ULiège)
Full Text
See detailIn nome della libertà: l’aspiration à la liberté dans les écrits de Francesco Guicciardini
Miesse, Hélène ULiege

Conference (2012, April 20)

On peut distinguer dans la correspondance de Guichardin trois moments historiques au cours desquels la liberté est mise en danger par les armes. Premièrement, l’ambassade espagnole de 1512, lorsque le ... [more ▼]

On peut distinguer dans la correspondance de Guichardin trois moments historiques au cours desquels la liberté est mise en danger par les armes. Premièrement, l’ambassade espagnole de 1512, lorsque le jeune Guichardin est envoyé en mission auprès du roi d’Espagne pour sonder ses intentions. Ensuite, l’année 1525, moment de constitution de la ligue de Cognac, durant laquelle Guichardin consacre une partie de son temps à la rédaction de discours contradictoires sur le meilleur comportement politico-militaire à adopter pour « libérer l’Italie ». Enfin, l’année 1527 qui voit le terrible sac de Rome. Si la notion de liberté est généralement associée au bien-être, à la paix et à la santé, de Florence dans la première période, de la péninsule dans le deuxième moment, de Florence et de la Péninsule dans le troisième et justifie – paradoxalement – le passage aux armes pour la défendre, la conserver ou, pire, la restituer, selon les moments, le mot « liberté » ne recouvre toutefois pas le même sens. Lorsqu’il s’agit de protéger Florence, Guichardin entend défendre l’autogestion de la ville pourtant sous gouvernement médicéen ; la « liberté commune » ou « liberté d’Italie » renvoient à la seule absence d’étrangers dans la péninsule, alors qu’en 1527, lors du retour à un gouvernement populaire à Florence, la « libertà della città » n’est autre que l’appellation pour désigner ce même gouvernement populaire républicain. Tandis que, sur le terrain, les soldats s’affrontent pour « libérer » tel morceau de l’Italie – au sens renaissant d’ensemble de cités-état vivant en équilibre – voire la péninsule entière de tout occupant étranger, dans ses lettres Guichardin mène le même combat, tentant par la force de la plume de faire fléchir les uns et de convaincre les autres, n’hésitant pas à exploiter les multiples sens recouverts par le mot « liberté ». [less ▲]

Detailed reference viewed: 34 (1 ULiège)
Full Text
See detailUne épée pour saint Pierre ? Les princes français et le Grand Schisme d’Occident
Masson, Christophe ULiege

Conference (2012, April 20)

Afin d’assurer le succès des idées premières – prétentions territoriales ou guerre sainte – qui ne pouvait passer que par des entreprises militaires de grande ampleur, on les légitima par une autre série ... [more ▼]

Afin d’assurer le succès des idées premières – prétentions territoriales ou guerre sainte – qui ne pouvait passer que par des entreprises militaires de grande ampleur, on les légitima par une autre série d’idées, plus à même de mobiliser les énergies, et donc les armes. La défense du pape d’Avignon fut l’occasion pour Louis Ier, Louis II – dans une moindre mesure – et Louis Ier d’Orléans de financer leurs troupes à destination de Naples, pour les deux premiers, de Milan, pour le dernier. De la même manière, dans le cas de Boucicaut et de sa lutte contre les Infidèles, il fallait prendre la place de lieutenant du roi à Gênes pour, ensuite, profiter des ressources militaires, en l’occurrence maritimes, de la toujours riche république marchande. Aussi, pour répondre à la question que pose cet ouvrage, on peut affirmer qu’idées et armes furent interdépendantes lors de ces conflits ayant comme point de mire la foi, une foi qui s’effaça très souvent derrière les ambitions seigneuriales des protagonistes [less ▲]

Detailed reference viewed: 47 (10 ULiège)
Full Text
See detailDidactique et épistémologie : mariage d'amour ou mariage forcé ?
Schneider-Gilot, Marguerite ULiege

Scientific conference (2012, April 20)

Detailed reference viewed: 35 (1 ULiège)
Full Text
Peer Reviewed
See detailDBIRD complex integrates alternative mRNA splicing with RNA polymerase II transcript elongation
Close, Pierre ULiege; East, Phil; Svejstrup, Barbara et al

in Nature (2012)

Alternative messenger RNA splicing is the main reason that vast mammalian proteomic complexity can be achieved with a limited number of genes. Splicing is physically and functionally coupled to ... [more ▼]

Alternative messenger RNA splicing is the main reason that vast mammalian proteomic complexity can be achieved with a limited number of genes. Splicing is physically and functionally coupled to transcription, and is greatly affected by the rate of transcript elongation1–3. As the nascent pre-mRNA emerges from transcribing RNA polymerase II (RNAPII), it is assembled into a messenger ribonucleoprotein (mRNP) particle; this is the functional form of the nascent pre-mRNA and determines the fate of the mature transcript4. However, factors that connect the transcribing polymerase with the mRNP particle and help to integrate transcript elongation with mRNA splicing remain unclear. Here we characterize the human interactome of chromatin-associated mRNP particles. This led us to identify deleted in breast cancer 1 (DBC1) and ZNF326 (which we call ZNF-protein interacting with nuclear mRNPs and DBC1 (ZIRD)) as subunits of a novel protein complex—named DBIRD—that binds directly to RNAPII. DBIRD regulates alternative splicing of a large set of exons embedded in (A 1 T)-rich DNA, and is present at the affected exons. RNAinterference- mediated DBIRD depletion results in region-specific decreases in transcript elongation, particularly across areas encompassing affected exons. Together, these data indicate that the DBIRD complex acts at the interface between mRNP particles and RNAPII, integrating transcript elongation with the regulation of alternative splicing. [less ▲]

Detailed reference viewed: 203 (31 ULiège)
See detailCrise de la socialisation au sein d'une Société du travail sur Soi
Vrancken, Didier ULiege

Conference (2012, April 19)

Ainsi que l’ont bien identifié les organisateurs de ce colloque, il est difficile d’évoquer aujourd’hui le thème de la socialisation en sociologie sans lui accoler le terme de crise. A telle enseigne que ... [more ▼]

Ainsi que l’ont bien identifié les organisateurs de ce colloque, il est difficile d’évoquer aujourd’hui le thème de la socialisation en sociologie sans lui accoler le terme de crise. A telle enseigne que l’on peut avancer qu’une réelle lecture « déclinologique » s’est répandue dans de nombreux pays européens et en particulier dans le domaine de la sociologie francophone. Ainsi cette crise de la socialisation va-t-elle souvent de pair avec la montée de l’individualisme, se déclinant notamment autour des thèmes du « retour de l’acteur », de la montée du nouvel « individualisme », de l’émergence du « sujet », de la « singularité », de la « subjectivation », etc. Tous ces thèmes laissant de plus en plus entrapercevoir un individu autonome mais surchargé par le poids des responsabilités. Un individu mis à l’épreuve (de la vie, des autres, de lui-même), un individu tenu de miser sur ses capacités mais en même temps saisi par le doute, celui d’être continuellement à la hauteur, d’« être capable ». De plus en plus d’études en sciences humaines et sociales se sont penchées sur la face sombre de cette évolution, celle de l’émergence de pathologies du lien social telles que les addictions, la dépression, le harcèlement moral, la souffrance sociale et ses multiples dimensions : souffrance au travail face à l’organisation ; précarité sociale ou encore appel constant à la subjectivité pour s’affirmer. Dans cette optique, la crise est alors perçue comme un affaiblissement du lien social en regard des sociétés qui nous ont précédés. Cette assertion sera pleinement discutée dans le cadre de cette conférence. [less ▲]

Detailed reference viewed: 153 (11 ULiège)
See detailVictimes d'abus sexuels et trajectoires délinquantes: exploration des tuteurs de résilience
Buzitu, Rachel ULiege

Scientific conference (2012, April 19)

This study is concerning the resilience related a juvenile delinquency among victims of sexual abuse: sexual abuse has been recognized as a powerful risk factor for the emergence of deviant and criminal ... [more ▼]

This study is concerning the resilience related a juvenile delinquency among victims of sexual abuse: sexual abuse has been recognized as a powerful risk factor for the emergence of deviant and criminal.behavior. Our study aims is to explore and highlight the protective factors that prevents victims of sexual abuse to engage in delinquent trajectory. The sample consists of teenage girls who have revealed at minimum last year, their intergenerational abuse position. These girls, are all between 12 and 18 years old,and divided into sub-groups: victims not offenders and victims offenders (self revealed and judicial control). Each teenage victims is compared to a normative population on different psychological’s functioning dimensions (aggression, self-esteem and pubertal timing). A comparative analysis between victims and not offenders is conducted to determine the elements that have a protective role. Clinical tests also are performed and linked to data from comparative analysis. The main factors of resilience (compared to a juvenile delinquency commitment) highlights concern the individual, the family system and the natural environment. [less ▲]

Detailed reference viewed: 73 (9 ULiège)
Full Text
See detailL’inflammation induite par les acides gras libres
L'Homme, Laurent ULiege

Conference (2012, April 19)

Detailed reference viewed: 51 (10 ULiège)
Full Text
See detailAdvances in biomaterials to repair cartilage
Maquet, Véronique; Chausson, Mickael; Gautier, Sandrine et al

Conference (2012, April 19)

Detailed reference viewed: 27 (8 ULiège)