Results 41 to 50 of about 714,386 (273)

Vécu quotidien des personnes de troisième âge dans leur environnement familial et communautaire

open access: yesRevue des Sciences de la Santé, 2023
L’objectif général de cette étude est de comprendre le vécu des personnes de troisième âge dans leur environnement familial et communautaire dans le quartier MANGENGENGE dans la commune de N’sele.
Benjamin TSHIABA KABITANGAGA   +7 more
doaj   +1 more source

Silver‐Mediated Deuterium Labelling of Quinones and Related Compounds by Hydrogen Isotope Exchange With D2O

open access: yesChemistry – A European Journal, EarlyView.
A new silver‐catalyzed H/D exchange reaction was developed for the labelling of quinones and related compounds. Both homogeneous and heterogeneous catalytic processes were implemented using heavy water as a simple deuterium source. The corresponding deuterated compounds were obtained with high isotopic enrichment through a practical method that opens ...
Joyce C. de Oliveira   +7 more
wiley   +1 more source

Environnement et inégalités sociales [PDF]

open access: yes, 2007
Since its inception, environmental protection has been based on the natural sciences and technology and, more recently, has interacted with the economy, but its relations with social aspects have been the subject of less attention. 'Warning.

core   +1 more source

Human pressure, habitat heterogeneity and species traits jointly determine the level of dark diversity in coastal fish communities

open access: yesEcography, EarlyView.
Understanding how anthropogenic pressures and environmental gradients shape coastal fish communities is a central question in biogeography and marine conservation. Yet, the set of species expected to occur at a site given ecological conditions but being absent – the so‐called dark diversity – has received far less attention than observed species, even ...
Loïc Sanchez   +23 more
wiley   +1 more source

Les cultures transgéniques permettent-elles de réduire l’usage des produits phytosanitaires ? Considérations à partir du cas du soja tolérant au glyphosate

open access: yesOléagineux, Corps gras, Lipides, 2004
L’article s’interroge sur l’impact des cultures transgéniques sur l’emploi des pesticides, objet de nombreux débats. Sont examinés les résultats de plusieurs études portant sur le bilan des premières années d’utilisation à grande échelle des OGM aux ...
Bonny Sylvie, Sausse Christophe
doaj   +1 more source

La mise en œuvre de l’étude d’impact environnemental et social et l’exploitation minière en droit congolais : enjeux et trajectoires [PDF]

open access: yesMouvements et Enjeux Sociaux, 2023
L’étude d’impact environnemental et social est un processus systématique d’identification, de prévention, d’évaluation et de réduction des effets physiques, écologiques, esthétiques, sociaux préalable à la réalisation de projet d’aménagement, d’ouvrage ...
Chérubin EMENE MONGU
doaj  

Combining paleoecology and modeling to explore cascading disturbances in forest ecosystems

open access: yesEcography, EarlyView.
Climate‐induced cascading disturbance interactions pose a major challenge to the sustainable provision of forest ecosystem services to society. Developing a deeper understanding and enhanced capacity to simulate these interactions is essential for identifying disturbance‐induced tipping points in forest ecosystems, and for improving management in ...
Cécile C. Remy   +6 more
wiley   +1 more source

En attendant les barrages. Gouverner les temporalités de la gestion de la pénurie en eau dans le sud-ouest de la France

open access: yesDéveloppement Durable et Territoires, 2018
How does environmental public action govern the heterogeneous temporalities of the social and natural worlds? To contribute answering this question, this paper critically studies the policies deployed to govern water scarcity in South-western France for ...
Alexandre Gaudin, Sara Fernandez
doaj   +1 more source

Toward Comprehensive Climate Action: Assessing Mitigation Approaches Across Canadian Municipalities

open access: yesEnvironmental Policy and Governance, EarlyView.
ABSTRACT Local governments are widely regarded as key leaders in the global response to climate change. Understanding if and how municipalities commit to climate mitigation is crucial for assessing their contribution to global emission‐reduction goals and identifying barriers to effective climate transitions.
Aryana Soliz   +7 more
wiley   +1 more source

Mot-croisé : Environnement.

open access: yesEspacesTemps.net, 2006
Le point de vue de l’informatique. L’environnement c’est l’ensemble des choses qui se trouvent aux environs… et en informatique ces choses ce sont les données, les préférences des utilisateurs, les périphériques … Les variables d’environnement véhiculent
Esteban Rosales   +2 more
doaj  

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