长白山区维管植物资源及其多样性

经过7年的调查研究发现,长白山区共有野生维管植物143科、629属、1 800种、190变种、47变型,分别占中国维管植物科、属、种数的47.67%,18.46%,5.80%.其中珍稀濒危植物25种,占植物总数的1.39%;多年生草本1 251种,占植物总数的69.5%;药用类、观赏和饲用类最多,分别占植物总数的51.56%、44.78%和33.67%.87.28%的种类分布在海拔450～1 000 m的红松针阔混交林中.提出保护和开发利用的具体建议.

Vascular Plant Resources and Their Diversity in Changbai Mountains

Based on investigation for seven years,the vascular plant resource in Changbai Mountains are studied in the present paper. 47 forms, 190 varieties, 1 800 species belong to 629 genera and 143 families, which accounted for 5.80 %, 18.46 % and 47.67 % of the respective species, genera and families of total vascular plants in China. There are 25 rare and endangered species plants,which accounted for 1.39% in Changbai Mountains. 1 251 species of perennial herbs account for 69.5% of the vascular plants in Changbai Mountain. In this area, 51.56% of plant total can be used for medicines; 44.78% for ornamentals; 33.67% are for feed. 87.28% of species are distributed in Red Pine breadleaved-conifereus mixed forests zone at the altitude 450 - 1 000 m. The concrete suggestions of protection and exploitation are given.