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Desertification in the region of Coquimbo Chile
Desertification in the Eghazer and Azawak region Niger
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Abalak Acacia Agadez agricultural alluvial animals annual Arid Zone average basin biomass canal case-study area cattle cent centres cereal cereal farming Chile clay climate Combarbala communities crops cultivation decrease degradation desert desertification district drainage drains drought dunes ecosystems environment erosion exploitation farm-unit farmers farming fertility forage Foulani goats grasses grazing Greater Mussayeb Project ground water ground-water hemicryptophytes herds improved increased intensity irrigation isohyets Jodhpur kg/ha land layer leaching livestock Luni Block Niger nomadic Oglat Merteba overgrazing pastoralists pastures perennial period plains plant cover population potential present production programme project area Prosopis cineraria rainfall rainy Rajasthan range rangelands reclamation regeneration region result run-off Sahel salinity sand sandy Sargodha district season sheep shrubs soil soil salinity species stations steppe study area surface Table Tahoua Tchin Tabaraden tion trees Tuareg Tunisia vegetation villages water-table wheat wind