The Bioclimate in the Steppe of Tlemcen （Oran, Western Algeria）
The Bioclimate in the Steppe of Tlemcen （Oran, Western Algeria）作者机构：Department of Biology Faculty of Science University Abou Bakr Belkaid Tlemcen 13000 Algeria
出 版 物：《Journal of Life Sciences》 (生命科学（英文版）)
年 卷 期：2013年第7卷第3期
页 面：313-321页
学科分类：07[理学] 09[农学] 0903[农学-农业资源与环境] 0713[理学-生态学]
主 题：Bioclimate steppe Algeria the semi-arid ombrothermiques diagrams.
摘 要：The last decade was marked by the special interest in flora, biological characteristics, its adaptation to climate fluctuations and the influence of human activities. The steppe climate is generally characterized by its heterogeneity. The lower semi-arid： 300 mm to 400 mm per year; The arid higher： 200 mm to 300 mm per year; The arid lower： between 100 mm and 200 mm per year. Its wide analysis of a region is based on data provided by weather stations; a summary of the climate study area was analyzed with representative stations （Ain Sefra, El Aricha, Ras el-Ma, Saf-Saf）. This steppe is in various states of degradation, consisting of Stipa tenacissima, Artemisia herba alba, Biscutella didyma, Spartium junceum and Lepidium glastifolium, etc..
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