inscription
Portail d'information géographique

Résultats de la recherche (5539 résultats)

Affinez votre recherche

Par Collection Par Auteur Par Date Par Sujet Par Titre
  • Differentiated circuits : the ecologies of knowing and securing life
  • Avian influenza ; Biosecurity ; Disease ; Human ecology ; Knowledge ; Monitoring ; Relations between human and animal bodies ; Security ; United Kingdom
  • The AA. use empirical work on the field and laboratory practices involved in knowing life, specially within the UK's avian influenza wild bird survey, in order to argue for a form of biosecurity that does not seek to integrate life or the practices
  • [b1] College of Life and Environmental Sciences, Univ., Exeter, Royaume-Uni
  • Bio-geomorphic features and growth process of Tamarix nabkhas in Hotan River Basin, Xinjiang
  • . The results indicate that the ecological type of Tamarix in the study area is a kind of Tugaic soil habitat based on the deep soil of the Populus Diversifolia forests and shrubs. This type of habitat can be divided into 3 kinds of sub-habitats which
  • demonstrate the features of ecological environment of Tamarix nabkhas during the differential developed phases. In each stage, morphological features and geomorphic process of Tamarix nabkha are different due to the discrepant interaction between the nabkha
  • LIU, Q.[b2]
  • [b1] College of Geographical Science, Fujian Normal Univ, Fuzhou, Chine
  • [b2] College of Geography Science and Tourism, Xinjiang Normal Univ., Urumqi, Chine
  • Prirodné vedy a zivotné prostredie. (Natural sciences and life environment)
  • , important changes of the natural environment took place in the Slovakia. A multidisciplinary task synthesis and prognose of the ecologic structure of the landscape on the basis of model regions was formulated as a contribution of natural scientist
  • XU, Q.[b3]
  • [b1] Lab. Forest Ecology and Global Changes, School of Life Science, Univ., Nanjing, Chine
  • [b3] The Institut of Forest Ecology, Environment and Protection, the Chinese Academy of Forestry, Beijing, Chine
  • A critical evaluation of the city life cycle idea
  • City;Town ; Concept ; District ; Neighbourhood ; United States ; Urban development ; Urban ecology ; Urban policy
  • L'A. présente une évaluation critique du concept de cycle de vie urbain. Il en rappelle l'historique à travers la littérature sur les villes américaines. La critique porte sur sa pratique en sciences sociales et sur sa manière d'influencer les
  • periods of time, changes in the availability of near-surface pore water as a result of micro-scale bioerosion of limestone and the development of bio-chemical crusts on marine concrete are suggested as mechanisms enhancing and reducing, respectively
  • ) ecologically stressful conditions through the alteration of substratum geomorphic properties and behaviours is suggested as an example of biogeomorphic ecosystem engineering.
  • [b1] Geography, College of Life and Environmental Sciences, Univ., Exeter, Royaume-Uni
  • Architecture ; Bio-architecture ; Biopolitique ; Esthétique ; Planification ; Planification urbaine ; Qualité de la vie ; Urbanisme
  • Architecture ; Esthetics ; Planning ; Quality of life ; Urban planning ; Urbanism
  • Bien que la biopolitique soit une discipline relativement récente, elle s'est déjà imposée comme direction de recherche à la frontière entre les sciences naturelles et les sciences sociales. La biopolitique étudie l'organisation sociale des
  • organismes vivants. Une branche importante de la biopolitique est la bio-architecture dont le but est de rechercher des modèles dans la nature et de développer des modèles architectoniques sur cette base. - (DR)
  • L'état des sciences et des techniques
  • Daily life ; Earth sciences ; Ecology ; Economy ; Energy;Power ; Environment ; Human sciences ; Information ; Mentality ; Research ; Technological innovation ; Technology ; Way of life
  • Ecologie ; Economie ; Energie ; Environnement ; Information ; Innovation technologique ; Mentalité ; Mode de vie ; Politique de la recherche ; Recherche ; Sciences de la Terre ; Sciences humaines ; Technologie ; Vie quotidienne
  • Quelque 200 articles qui présentent les problématiques ou résultats essentiels pour comprendre les grandes voies de recherche. Classés en 3 sections : 1)« sciences, techniques, sociétés » s'ouvre sur une description des changements de modes de vie
  • induits par de nouveaux objets techniques et détaille les effets des progrès techniques sur le travail, l'environnement, l'économie, les mentalités; 2)« Bilan des recherches » en différents domaines (citons : l'écologie, les sciences de la terre, l'énergie
  • , l'information-communication, les sciences cognitives...); 3)« les déterminants de la recherche et de l'innovation » analyse les sources de financement de la recherche scientifique et de l'innovation technique, présente les grandes options de politique
  • The biogeomorphological life cycle of poplars during the fluvial biogeomorphological succession : a special focus on Populus nigra L.
  • Bibliography ; Biogeomorphology ; Ecological niche ; Fluvial processes ; Hydrogeomorphology ; Life cycle ; Poplar ; Riparian vegetation ; Vegetation
  • Based on a review of geomorphological, biological and ecological literature, the AA. have identified and described the co-constructing processes between riparian poplars and their fluvial environment. They have explored the possibility
  • , recruitment and establishment until sexual maturity of P. nigra by describing the hierarchy of interactions and the pattern of feedbacks between biotic and abiotic components. They explicitly relate the biological life cycle of P. nigra to the fluvial
  • biogeomorphic succession model by referring to the biogeomorphological life cycle of P. nigra. Finally, they propose new research perspectives based on this theoretical framework.
  • [b1] Clermont Univ., Maison des Sciences de l'Homme, Clermont-Ferrand, France
  • [b3] Peatland Ecology Research Group, Univ. Laval, Québec, Canada
  • [b7] CNRS, USR 3550, Maison des Sciences de l'Homme, Clermont-Ferrand, France
  • Complexity ; Concept ; Indicator ; Landscape ; Landscape ecology ; Perception
  • [b2] Department of Landscape Architecture and Spatial Planning, Norwegian University of Life Sciences, Norvege
  • [b1] Department of Landscape Planning, Swedish University of Agricultural Sciences, Suede
  • Effects of ecological restoration projects on land use and land cover change and its influences on territorial NPP in Xinjiang, China
  • Arid area ; Carbon sequestration ; China ; Ecological restoration ; Forest ; Land use ; Primary productivity ; Semi-arid area ; Xinjiang
  • This study used net primary productivity (NPP) as an important indicator of the arid and semi-arid ecosystem's productivity to estimate the impacts of the land use and land cover change (LULCC) driven by ecological restoration programs in Xinjiang
  • activities produced an obvious positive effect in the increase of total NPP, especially for forest land. As a result, ecological restoration programs produced positive impacts on forest expansion and carbon sequestration in Xinjiang.
  • [b1] College of Life Science, Anhui Normal Univ., Wuhu, Chine
  • [b2] School of Life Science, Univ., Nanjing, Chine
  • [b2] Graduate School of Life and Environmental Science, Univ., Tsukuba, Japon
  • [b7] Graduate School of Agricultural and Life Science, Univ., Tokyo, Japon
  • [b1] State Key Lab. of Earth Surface Processes and Resource Ecology, Normal Univ., Beijing, Chine
  • [b3] Inst. of Geographic Sciences and Natural Resources Research, Beijing, Chine
  • [b4] Dept. of International Environmental and Agricultural Science, Univ., Tokyo, Japon
  • [b8] Fac. of Science, Univ., Chiba, Japon
  • The impact of residential location and settlement hierarchy on ecological footprint
  • This study addresses the question of how residential location influences the ecological footprint (EF) of households. It finds that the EF of high school students is significantly affected by the position of their residence in the settlement
  • [b2] Kati Orru Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Tartu, Estonie
  • The time and place for political ecology : the life-work of Piers Blaikie
  • Carbon claims and energy landscapes : exploring the political ecology of biomass
  • Bio-énergie ; Ecologie ; Ecologie politique ; Energie ; Energie de biomasse ; England ; Paysage ; Royaume-Uni ; Situation d'incertitude ; Yorkshire
  • Bioenergy ; Biomass energy ; Ecology ; Energy ; England ; Landscape ; Political ecology ; Uncertainty ; United Kingdom ; Yorkshire
  • This paper explores the ways in which biomass is framed within the carbon debate, interrogating the trade-offs and conflicts surrounding the production of dedicated and subsidized energy crops. Drawing upon a political ecology framework, the AA
  • [b1] School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, Royaume-Uni
  • Biocénose ; Biosphère ; Concept ; Cycle biogéochimique ; Cycle de vie ; Ecosystème ; Géochimie ; Inertie ; Ressources biologiques ; Sciences de la Vie
  • Biocenosis ; Biogeochemical cycle ; Biosciences ; Biosphere ; Concept ; Ecosystem ; Geochemistry ; Inertia ; Life cycle ; biological resources
  • L’A. documente la présentation de la vie en tant que moyen d’existence de la substance bio-inerte dont la biocénose est un porteur matériel élémentaire. C’est uniquement au niveau des biocénoses qu’apparait une nouvelle qualité de la substance bio
  • organismes vivants, elle dépasse ce cadre et inclue l’environnement abiotique qui se trouve en interaction directe avec le biote. Le fonctionnement de la substance bio-inerte mène à la formation des exométabolites biosphériques (roches sédimentaires). La
  • Dynamic interactions of life and its landscape : feedbacks at the interface of geomorphology and ecology
  • Adaptation ; Biodiversity ; Co-evolution ; Ecology ; Environmental management ; Geomorphology ; Human impact ; Impact ; Inter-disciplinary approach ; Landscape dynamics ; Model ; Population dynamics ; Research ; Sustainable development
  • This paper synthesizes and expands upon key issues and findings from the Meeting of Young Researchers in Earth Science (MYRES) III , to help chart a course for future collaboration among Earth surface scientists and ecologists: it represents
  • and indirect actions). Also outlined are the state of the art in analytical, experimental and modelling techniques in ecological and geomorphological research, and novel new research avenues that combine these techniques are suggested.
  • Discourses of energy infrastructure development : a Q-method study of electricity transmission line siting in the UK
  • [b1] Department of Geography,College of Life and Environmental Sciences, Univ., Exeter, Royaume-Uni
  • Biopolitics ; Biopower ; Ecology ; Fauna ; India ; Legislation ; Odisha ; Political ecology ; Subjectivity processes ; Wildlife
  • [b1] Dep. of Geography, College of Life and Environmental Sciences, Univ., Exeter, Royaume-Uni
  • Biosphere ; Ecology ; Geography ; Geosphere ; Soil ; Soil properties ; Soil science ; Thematic mapping
  • Nouveaux regards sur le sol et la pédosphère en tant que régulateur le plus important des processus de la bio- et de la géosphère. Discussion des aspects géographiques et cartographiques du problème.