河南省重点保护植物优先保护等级划分研究

河南省分布有35种国家重点保护植物和98种省重点保护植物.以植物的稀有性、濒危性、种型特性、经济价值和科学文化价值作为评价指标,根据层次分析法对比133种植物的优先保护顺序进行综合评定,划分优先保护等级,由此将河南省内的重点保护植物分为3个等级,即一级优先保护植物20种,包括14种国家重点保护植物和6种省重点保护植物；二级优先保护植物40种,其中国家重点保护植物10种、省重点保护植物30种；三级优先保护植物73种,包括11种国家重点保护植物和62种省重点保护植物,较好地反映了河南省重点保护植物的现状,并提出一些相应的保护措施.

Study of Conservation Priority Classes of Key Protected Plant in Henan

There are 35 species of the national key protected plants and 98 species of the provincial key protected plants in Henan province.The degree of protection was evaluated quantitatively by rarity,the extent of endangered species,species-characteristics,economic value,scientific and cultural value.Based on these,the key protected plants in Henan were classed into four ranks.The first rank protection was 20 species,include 14 kinds of the national key protected plants and 6 species of the provincial key protected plants;the second rank protection was 40 species,include 10 kinds of the national key protected plants and 30 species of the provincial key protected plants;the third rank protection was 73 species,include 11 kinds of the national key protected plants and 62 species of the provincial key protected plants.This classification reflected the features of key protected plants in Henan.Also,some suggestions and measures for protection are proposed.