Land Library
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Showing items 1 through 9 of 81.
Desertification/land degradation is rarely accounted for as an economic issue, and drought barely accounted for as a disaster.
La désertification et la dégradation des terres sont rarement considérées comme un problème économique et la sécheresse est à peine considérée comme une catastrophe.
La desertificación/degradación de la tierra raramente está considerada como un tema económico, y la sequía rara vez como un desastre.
Migratory species come in all shapes and sizes, from tiny insects and birds to large buffalo and elephants, to sharks and dolphins or snakes . Whether their journey crosses thousands of kilometers, or just a few, migratory species play essential roles in ecosystems worldwide.
Les espèces migratrices sont très variées, depuis les insectes et les oiseaux jusqu’aux bisons et aux éléphants, depuis les requins et les dauphins jusqu’aux serpents.
Las especies migratorias existen en todos los tamaños y formas, desde los de minúsculos insectos y pequeñas aves hasta grandes búfalos y elefantes, pasando por tiburones y delfines o serpientes.
Mapping land degradation and desertification (LDD) at the global scale still is a conceptual and operational challenge. The present study has been performed in the frame of the WAD (new World Atlas of Desertification) initiative.
The present study investigates the potential of pre-treatment of olive mill wastewaters (OMW) at laboratory and mill scale and their subsequent use in agriculture to satisfy irrigation and fertilisation needs for widely cultivated crops.
Two Landsat images, acquired in 1987 and 2008, were analyzed to evaluate desertification processes in central North Kurdufan State (Sudan).