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See detailL'école peut-elle être juste et efficace ? : De l'égalité des chances à l'égalité des acquis
Crahay, Marcel ULg

Book published by De Boeck Université (2000)

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See detailL’école primaire congolaise entre héritage, hybridité et résilience
Andre, Géraldine ULg; De Herdt, Tom; Poncelet, Marc ULg

in De Herdt, Tom (Ed.) A la recherche de l’Etat en R-D Congo. Acteurs et enjeux autour d’une reconstruction post-conflit (2011)

This contribution attempts to grasp the mechanisms that explain the resilience of the Congolese primary education despite the thirty-five years crisis that continues to affect the Democratic Republic of ... [more ▼]

This contribution attempts to grasp the mechanisms that explain the resilience of the Congolese primary education despite the thirty-five years crisis that continues to affect the Democratic Republic of Congo and the almost complete lack of public investment in this sector since the early eighties. The central argument stresses the need to explain such mechanisms beyond the effects of privatization only. It particularly emphasizes the arrangements made within the education system, documenting their historical roots, and arguing that they are ultimately founded on the “concessionary” state structure that prevailed in colonial times. [less ▲]

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See detailL'école, l'enseignement et l'innovation
De Neve, M.; Crahay, Marcel ULg

Report (1982)

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See detailÉcole, langues, cultures et développement. Une analyse des politiques éducatives, linguistiques et culturelles postcoloniales au Burkina Faso
Andre, Géraldine ULg

in Cahiers d'Etudes Africaines (2007), 186

This text aims at grasping the use of the local languages and cultures (production activities) within reforms and other measures taken by the Burkinabe government since independence until today. At first ... [more ▼]

This text aims at grasping the use of the local languages and cultures (production activities) within reforms and other measures taken by the Burkinabe government since independence until today. At first, the text analyses the linguistic, cultural and educational policies of Burkina Faso. It argues that, against an individual promotion with the “French-speaking school capital” and to help the economy recover, the first postcolonial governments attempted to reform the school institution. In order to their goal, they build a formula linking primary education, local languages and cultures (work activities carried out by children) and self-development. Secondly, one argues that NGO’s, which are dominant in the school field in Burkina Faso, revive this formula in order to take up the school challenges imposed by the World Bank. [less ▲]

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See detailL'école, tombeau de l'égalité des chances?
Delruelle, Edouard ULg; Désir, Caroline

Conference given outside the academic context (2014)

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See detailL'école, une arme de compréhension massive
Jadoulle, Jean-Louis ULg

Article for general public (2012)

Cet article fait suite aux débats sur les "parcours d'intégration", dont plusieurs partis réclament la création en Communauté française de Belgique, et au projet de la Ministre de l'Enseignement ... [more ▼]

Cet article fait suite aux débats sur les "parcours d'intégration", dont plusieurs partis réclament la création en Communauté française de Belgique, et au projet de la Ministre de l'Enseignement obligatoire, M.-D. Simonet, de réviser les grilles - horaires de l'enseignement qualifiant, un projet qui devrait avoir pour conséquence de supprimer l'enseignement de l'histoire et de la géographie en 6e TQ/P et en 7eP. [less ▲]

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See detailEcole. Pourquoi les inégalités persistent-elles ?
Baye, Ariane ULg

Conference given outside the academic context (2006)

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See detailLes écoles doctorales et le doctorat en Belgique francophone
Lucchini, Silvia ULg

Scientific conference (2009, December)

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See detailEcoles sanctuaires, écoles ghettos : quel rôle joue l'origine socioculturelle et ethnique dans les différences de performances entre établissements ?
Monseur, Christian ULg; Lafontaine, Dominique ULg

in Actes du 3e congrès des chercheurs en éducation, Bruxelles, 16-17 mars 2004 (2004)

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See detailEcoliers et apprentis-lecteurs : quelle est la motivation des enfants en première primaire ?
Hindryckx, Geneviève ULg; Lafontaine, Annette ULg; Schockert, C.

in Point sur la Recherche en Education (Le) (2000)

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See detailEcological and pathological factors related to trace metal concentrations in harbour porpoises Phocoena phocoena from the North Sea and adjacent areas
Das, Krishna ULg; Siebert, Ursula; Fontaine, Michaël ULg et al

in Marine Ecology. Progress Series (2004), 281

There is growing concern about the health status of the harbour porpoise Phocoena phocoena in the North Sea and adjacent areas. The interaction between toxicological results (Zn, Cd, Cu, Fe, Se, Hg ... [more ▼]

There is growing concern about the health status of the harbour porpoise Phocoena phocoena in the North Sea and adjacent areas. The interaction between toxicological results (Zn, Cd, Cu, Fe, Se, Hg), stable isotope data (delta(13)C and delta(15)N) and the most common pathological findings, namely emaciation and lesions of the respiratory system, were investigated in 132 porpoises collected along the coasts of northern France, Belgium, Germany, Denmark, Iceland and Norway between 1994 and 2001. The body condition of harbour porpoises stranded on the French, Belgian and German coasts was poor compared to that of by-catch individuals from Iceland and Norway, as reflected by blubber thickness and hepatic to total body-mass ratio. High Zn and Hg concentrations were observed in some porpoises collected along the southern North Sea coast compared to by-catch individuals from Iceland, Norway and the Baltic Sea. Increasing Zn levels were observed with deteriorating health condition (emaciation and bronchopneumonia), while Hg increases were not significant. The increases were not related to shrinking liver mass which remained unchanged. These observations indicate a general redistribution of trace metals within the organs (muscles and blubber to liver), as a result of protein and lipid catabolism. Muscle delta(13)C and delta(15)N values remained unchanged with deteriorating body condition. Cd concentrations were associated only with age and low delta(15)N values, indicating that high Cd concentrations in Iceland and Norway porpoises may be partly diet-related, i.e. a result of Cd contaminated prey. [less ▲]

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See detailEcological and pathological factors related to trace metal concentrations in harbour seal Phoca vitulina in the North Sea
Drouguet, Olivier; Siebert, Ursula; Jauniaux, Thierry ULg et al

Poster (2005)

During the last decade, recurrent epizootics have affected harbour seal (Phoca vitulina) populations in the North Sea. Recent data on their trophic habits and pollutant levels are of primary importance ... [more ▼]

During the last decade, recurrent epizootics have affected harbour seal (Phoca vitulina) populations in the North Sea. Recent data on their trophic habits and pollutant levels are of primary importance for their conservation. As isotopic composition of an animal is related to that of its prey, δ13C and δ15N were measured by mass spectrometry in the muscles of 66 harbour seals beached along the coasts of France (n = 10), Belgium (n = 30) and Netherlands (n = 26) between 1994 and 2004. Trace metals concentrations (Zn, Cu, Fe, Cd, Hg and Se) were also determined in liver, kidney and muscles by Inducted Plasma Spectrometry. δ13C and δ15N values remained similar between harbour seals from France (-15.7 0/00; 18.7 0/00, respectively), Belgium (-15.7 0/00; 19.0 0/00, respectively) and Netherlands (-14.7 0/00; 18.7 0/00, respectively). These data are in good agreement with their coastal and piscivorous life style. Isotopic value remained similar between males and females and between body conditions. Hg levels were significantly higher in seals from the southern North Sea when compared to previously published data from seals collected in Norway, probably due some geographical differential exposure. Hepatic Hg was positively correlated to hepatic Se, both increasing with the length of the seals. Such a relationship reflected an age accumulation process coupled to a detoxication mechanism involving antagonism between Hg and Se in the liver. No relationship between stable isotopes and Hg and Cd levels was observed. Increasing Zn and Hg hepatic levels were observed with degrading body condition of the harbour seals, which is reflected by decreasing blubber thickness and high hepatic to total body mass ratio. These observations tend to indicate a global redistribution of trace metals from muscle and blubber to liver, as a result of protein and lipid catabolism linked to disease and starvation. [less ▲]

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See detailEcological characteristic's of small farmland ponds: Associations with land use practices at multiple spatial scales
Declerck, Steven; De Bie, Tom; Ercken, Dirk et al

in Biological Conservation (2006), 131(4), 523-532

Despite their restricted surface area, small farmland ponds often have a high conservation value because they contribute significantly to regional biodiversity and contain rare or unique species. For this ... [more ▼]

Despite their restricted surface area, small farmland ponds often have a high conservation value because they contribute significantly to regional biodiversity and contain rare or unique species. For this reason, the creation of new ponds has become a widely applied practice in many countries. information on the effects of land use on farmland ponds is very scarce. Farmland ponds differ from larger ponds, lakes and livers in many aspects and can therefore be expected to be affected by land use via other mechanisms operating at different spatial scales. We here present a study on 126 ponds distributed over the entire territory of Belgium (surface area: 30.500 km(2)). We assessed variables related to turbidity state and vegetation complexity and related them to land use variables assessed at several spatial scales ranging from the pond edge up to 32 km(2) circular areas. According to redundancy analysis, trampling by cattle and percentage cover of nearby crop land were positively associated with turbid state related variables. Conversely, ponds with high coverage by forest in the immediate neighbourhood tended to be more associated with the clear water state. Multiple regression analysis demonstrated a negative effect of trampling and coverage by crop land on vegetation complexity. Effects of crop lands and forest were strongest at the local scale (< 200 m radius) which indicates that adverse external influences can most efficiently be mitigated at a small scale. Based on these results we suggest several recommendations for pond construction and conservation. (c) 2006 Elsevier Ltd. All rights reserved. [less ▲]

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See detailEcological characterization of Lophira alata (Ekki), a vulnerable timber tree species, in order to develop silvicultural effective strategies
Biwole, Achille ULg; Doucet, Jean-Louis ULg

Poster (2011, December 02)

Ekki, Lophira alata Banks ex C.F.Gaertn., is an African timber species occurring in tropical rainforests. Of important commercial value, this species is logged for its excellent timber properties and has ... [more ▼]

Ekki, Lophira alata Banks ex C.F.Gaertn., is an African timber species occurring in tropical rainforests. Of important commercial value, this species is logged for its excellent timber properties and has been classified by the IUCN as «vulnerable" species. As for many other tropical tree species, the commercial exploitation of Ekki is confronted to an insufficient knowledge about the species’ ecological profile. With a distribution range limited to the Guinea-Congolian region, Ekki often displays insufficient natural regeneration, but the biotic and abiotic factors explaining this deficiency have been hardly characterized. This lack of knowledge makes it difficult to model the population dynamics on the long term. The reproductive biology of Ekki and the genetic variability of its population remains poorly studied too. To address this situation, a fundamental and applied research is being undertaken in the forest concessions managed by Wijma Cameroun SA., covering over 250,000 hectares of rainforest in Southern Cameroon. This study aims to answer four essential questions: (1) what is the phylogenetic relationship between L. alata and L. lanceolata, (2) how paleoclimate and human disturbances impact its distribution and abundance, (3) how to these populations respond to logging over several rotation periods, (4) does logging promote or inhibit the natural regeneration of the species. Several study devices have thus been installed to collect the data needed to improve the characterization of Ekki’s ecology and to conceive silvicultural strategies. [less ▲]

Detailed reference viewed: 96 (20 ULg)