榆林市毛乌素沙地植物资源变化分析  

Change Analysis of Plant Resources in Mu Us Sandy Land of Yulin City

作　　者：苏加鹏 白艳 张淑贞 张艳 白志宏 王革[2] SU Jiapeng;BAI Yan;ZHANG Shuzhen;ZHANG Yan;BAI Zhihong;WANG Ge(College of Forestry,Yulin Vocational and Technical College,Yulin,Shaanxi 719000,China;Yunnan Institute of Forest Inventory and Planning,Kunming 650051,China)

机构地区：[1]榆林职业技术学院林学院,陕西榆林719000 [2]云南省林业调查规划院,云南昆明650051

出　　处：《林业调查规划》2024年第6期28-33,共6页Forest Inventory and Planning

基　　金：榆林职业技术学院院级科研课题基金支持(K201803)。

摘　　要：对榆林市毛乌素沙地植物资源历史状况和现状调查数据进行对比分析。结果表明,近年来随着气候状况变化和国家退耕还林(草)等生态工程的实施,榆林市毛乌素沙地植物资源种类数量显著增加,植物种类数量由有记录的72科213属379种增加到102科456属884种,增加了30科260属505种,其中野生植物资源增加了18科115属250种,生态环境改善明显,重点保护野生植物增多,生物多样性保护成效显著,栽培植物资源种类大幅增加,人居环境条件大幅提升,中生植物自然分布区扩展,生态环境和气候状况逆转趋势明显。The comparative analysis of the historical and current status of plant resources in the Mu Us sandy land of Yulin City was conducted.The results showed that in recent years,with the change of climate conditions and the implementation of ecological projects such as the national policy of returning farmland to forests(grasslands),the number of plant species in the Mu Us sandy land of Yulin City had significantly increased,the number of plant species increased from 379 species in 213 genera of 72 families to 884 species in 456 genera of 102 families,an increase of 505 species in 260 genera of 30 families.Among them,wild plant resources had increased by 250 species in 115 genera of 18 families.The ecological environment had improved significantly,the number of key protected wild plants had increased,the effectiveness of biodiversity conservation was significant,the variety of cultivated plant resources had significantly increased,the living environment conditions had greatly improved,the natural distribution area of mesophytic plants had expanded,and the ecological environment and climate conditions had shown a clear reversal trend.

关 键 词：榆林 毛乌素沙地 植物资源 变化分析 

分 类 号：S757.3[农业科学—森林经理学] Q949[农业科学—林学]