山西省乡土树种资源现状与发展对策

文章以乡土树种为研究对象,通过全面普查和典型抽样调查,对山西省现有的乡土树种资源进行统计分析。结果显示,山西省乡土树种共有67科155属626种(含变种、亚种等);共有15种国家级保护植物,其中Ⅰ级保护植物2种,Ⅱ级6种,Ⅲ级7种;乡土树种具有水土保持、绿化观赏、荒山造林、防风固沙、药用蜜源等价值。在此基础上,分析了乡土树种保护和利用存在的问题。

Status and Development Strategy of Native Tree Species in Shanxi Province

Native plant species have high potential for development and utilization owing to their good adaptability to local natural environment and high resistance. This paper made a statistic analysis of the native tree species currently known by adopting overall investigation and typical sampling investigation. The result showed that there are 626 native tree species （including variations ） belonging to 155 genuses and 67 families in the Shanxi Province, and 15 species are under the national protection （ including 2 species under category I, 6 species under category II and 7 species under category III of national protection）. It was concluded that native species in Shanxi Province was plentiful which can be used for landscaping, water and soil conservation, wind break and sand fixation, medicines. Based on the status, the protection of native species and the problems in their exploration and utilization were analyzed.