inscription
Portail d'information géographique

Résultats de la recherche (27 résultats)

Affinez votre recherche

Par Collection Par Auteur Par Date Par Sujet Par Titre
  • This paper firstly selects 10 kinds of indexes to reflect eco-environment background condition and builds the multi-subject spatial database by using ground meteorological data, remote sensing data and DEM. It then discusses in detail the methods
  • 2005
  • Sur la base d'une double approche objective et subjective des paysages, les AA. définissent le paysage géomorphologique comme une portion du relief terrestre, vue, perçue et parfois exploitée par l'Homme, et le géomorphosite comme une forme du
  • 2005
  • The detailed analysis was subjected positive transformations in 12 communes and negative in 12 others communes of three voivodships : Kujawsko-Pomorskie, Pomorskie and Warmińsko-Mazurskie. In conclusion the authors state that to achieve success
  • 2005
  • The low level of income among farming families triggered a lively interest in the subject of the activity and sources of income in farm households. The work described here has sought to determine the main changes in income levels and structures
  • 2005
  • The aim of this study is to quantify the change in fragmentation of a large floodplain river ecosystem that has been subject to water resource development. It considers both the spatial and the temporal effects of fragmentation on the potential
  • 2005
  • The aim of this study is to explore the potential of DEM-derived morphometric measures within a GIS to advance the identification of drainage basins subject to debris torrent activity. Logistic regression and discriminant analysis indicate
  • 2005
  • to understand the botanical composition in flooded and control areas on 25 m2 fenced and unfenced plots subjected to flooding and non-flooding. For 6 years following flooding, species richness in the flooded area was twice that of unflooded areas. In particular
  • 2005