Study of Biodiversity Indices in Forest Formations of the Province of Saida （Algeria）
Study of Biodiversity Indices in Forest Formations of the Province of Saida （Algeria）
摘要
Biodiversity is a multidimensional concept involving several scientific disciplines. The study of biodiversity allows to initiate a multidisciplinary analysis and ecological reading of an environmental problem. The objective of this study is the knowledge of plant biodiversity and risk factors affecting the plant diversity in forest formations of Saida province （Algeria）. Plant biodiversity is estimated at 77 species with 37 best represented families （Asteraceae, Lamiaceae and Fabaceae）. The geophytes dominate with a rate of 44.15%. Among the degradation factors that threaten the biodiversity in the study area, the forest fires, overgrazing and trampling by domestic animals was mentioned.
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