Search results for "ECOLOGIE"
showing 10 items of 113 documents
Les graphes paysagers pour la modélisation et la gestion des pullulations de campagnols terrestres.
2016
International audience; Les prairies d’Auvergne et de Franche-Comté sont régulièrement envahies par un rongeur, le campagnol terrestre. Le projet CAMPAGRAPHE vise à fournir un appui pour la mise en place d’un dispositif agro-écologique limitant sa diffusion grâce à une modélisation des réseaux de prairies.Le graphe obtenu permet de localiser des actions de terrain et orienter le suivi des populations.
EVASPA (EVapotranspiration Assessment from SPAce) tool: an overview
2013
International audience; Evapotranspiration (ET) is a fundamental variable of the hydrological cycle and its estimation is required for irrigation management, water resources planning and environmental studies. Remote sensing provides spatially distributed cost-effective information for ET maps production at regional scale. We have developed EVASPA too for mapping ET from remote sensing data at spatial and temporal scales relevant to hydrological or agronomica studies. EVASPA includes several algorithms for estimating evapotranspiration and various equations for estimating the required input information (net radiation, ground heat flux, evaporative fraction…), which provides a way to assess …
Critical educational praxis in university ecosystems: enablers and constraints
2018
Universities serve several important functions in society today through research, education, and community engagement, not least helping people to live meaningfully in society, and helping to create a world worth living in. A kind of practice that seems particularly important in fulfilling such responsibilities is critical educational praxis, a social-justice oriented, educational practice/praxis, with a focus on asking critical questions and creating conditions for positive change. Yet, the contemporary university is not exactly a niche for critical educational praxis. There are many practices and arrangements within higher education that make the enactment of critical educational praxis v…
Warmer climates boost cyanobacterial dominance in shallow lakes
2011
Dominance by cyanobacteria hampers human use of lakes and reservoirs worldwide. Previous studies indicate that excessive nutrient loading and warmer conditions promote dominance by cyanobacteria, but evidence from global scale field data has so far been scarce. Our analysis, based on a study of 143 lakes along a latitudinal transect ranging from subarctic Europe to southern South America, shows that although warmer climates do not result in higher overall phytoplankton biomass, the percentage of the total phytoplankton biovolume attributable to cyanobacteria increases steeply with temperature. Our results also reveal that the percent cyanobacteria is greater in lakes with high rates of ligh…
La terminologie sensorielle dans son environnement : vers une éco-terminologie ? L'exemple du cacao en Equateur
2022
[Contexte] Mühlhäusler (1996) invite à la prise de conscience écologique en linguistique pour interpréter la production discursive dans son cadre environnemental au sens large. Héritage d’une approche relativiste théorisée par Sapir et Whorf, mais dont les prolongements cognitivistes se trouvent par exemple dans la Cultural Cognitive Linguistics de Sharifian (2017), l’écologie du langage offre au chercheur un cadre théorique pragmatique et situationnel pertinent pour appréhender le discours autour de paramètres écologiques fondés sur l'interrelation existant entre une ou plusieurs langues et leur environnement linguistique, culturel, social, politique, géographique et naturel (Haugen, 1972)…
A European Multi Lake Survey dataset of environmental variables, phytoplankton pigments and cyanotoxins
2018
Under ongoing climate change and increasing anthropogenic activity, which continuously challenge ecosystem resilience, an in-depth understanding of ecological processes is urgently needed. Lakes, as providers of numerous ecosystem services, face multiple stressors that threaten their functioning. Harmful cyanobacterial blooms are a persistent problem resulting from nutrient pollution and climate-change induced stressors, like poor transparency, increased water temperature and enhanced stratification. Consistency in data collection and analysis methods is necessary to achieve fully comparable datasets and for statistical validity, avoiding issues linked to disparate data sources. The Europea…
Caractérisation de la connectivité des habitats du petit rhinolophe en Franche-Comté
2011
National audience
Des chiroptères et des hommes : zoom sur les travaux de Pierline Tournant
2012
Un gel plus fréquent, paradoxe du réchauffement
2022
Aux sources de la catastrophe. L’État et l’avènement des sociétés thermo-industrielles (1750-1850)
2016
International audience