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Ranching generally causes a progressive deforestation. Nevertheless in Mediterranean countries trees are still present in many pastoral systems, here referred to as silvopastoral systems (SPs). Trees provide products as fruits as human food, fruits or leaves as fodder, wood and firewood, environmental services like patches of soil fertility and shelter for animals, and environmental goods such as carbon sequestration, water yield and quality and reinforced biodiversity.
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The encroachment of woody species in natural grasslands has recently increased, especially in arid and semi-arid environments. In the Mediterranean region, this is mainly attributed to the dramatic decrease of the traditional human activities such as pastoral management and fuelwood collection, which controlled the encroachment of woody species. The purpose of this study was to investigate the effects of Juniperus oxycedrus encroachment on herbage production and floristic diversity in a natural grassland.
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