植物多样性 2018, 40(05) 217-225 DOI:   10.1016/j.pld.2018.06.004  ISSN: 2095-0845 CN: 53-1217/Q

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Diversity of desert rangelands of Tunisia
Mouldi Gamoun, Azaiez Ouled Belgacem, Mounir Louhaichi
International Center for Agricultural Research in the Dry Areas(ICARDA)
摘要

Plants are important components of any rangeland. However, the importance of desert rangeland plant diversity has often been underestimated. It has been argued that desert rangelands of Tunisia in good ecological condition provide more services than those in poor ecological condition. This is because rangelands in good condition support a more diverse mixture of vegetation with many benefits, such as forage for livestock and medicinal plants.
Nearly one-quarter of Tunisia, covering about 5.5 million hectares, are rangelands, of which 87% are located in the arid and desert areas (45% and 42%, respectively). Here, we provide a brief review of the floristic richness of desert rangelands of Tunisia. Approximately 135 species are specific to desert rangelands. The predominant families are Asteraceae, Poaceae, Brassicaceae, Chenopodiaceae, and Fabaceae. These represent approximately 50% of Tunisian desert flora.

关键词 Vegetation   Dryland   Species richness  
Diversity of desert rangelands of Tunisia
Mouldi Gamoun, Azaiez Ouled Belgacem, Mounir Louhaichi
International Center for Agricultural Research in the Dry Areas(ICARDA)
Abstract:

Plants are important components of any rangeland. However, the importance of desert rangeland plant diversity has often been underestimated. It has been argued that desert rangelands of Tunisia in good ecological condition provide more services than those in poor ecological condition. This is because rangelands in good condition support a more diverse mixture of vegetation with many benefits, such as forage for livestock and medicinal plants.
Nearly one-quarter of Tunisia, covering about 5.5 million hectares, are rangelands, of which 87% are located in the arid and desert areas (45% and 42%, respectively). Here, we provide a brief review of the floristic richness of desert rangelands of Tunisia. Approximately 135 species are specific to desert rangelands. The predominant families are Asteraceae, Poaceae, Brassicaceae, Chenopodiaceae, and Fabaceae. These represent approximately 50% of Tunisian desert flora.

Keywords: Vegetation   Dryland   Species richness  
收稿日期 2018-02-15 修回日期  网络版发布日期  
DOI: 10.1016/j.pld.2018.06.004
基金项目:

This work was supported by the International Center for Agricultural Research in the Dry Areas (ICARDA), the Arid Regions Institute (IRA e Medenine, Tunisia) and the CGIAR Research Program on Livestock (CRP Livestock).

通讯作者: Mouldi Gamoun
作者简介:
作者Email: m.gamoun@cgiar.org

参考文献:

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