Zone de Texte: A REVIEW ON GEOMATIC TOOLS FOR ASSESSING, INVENTORYING AND MAPPING ALIEN PLANT INVASIONS IN THE MEDITERRANEAN BASIN
Zone de Texte: DEM (DTM, TIN)
Digital terrain models, are a very important source of environmental information and many thematic layers may be derived from them (slope, aspect, geo-morphology, etc.), providing to correct some of the error of sampling, measure and interpolation that are often present, and implement accurate raster-vector conversions.
Some papers have highlighted that altitude may limit the spread of the present alien flora in the Mediterranean region.

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