The Intestigation And Analysis Of Madicinal Plant Resources In Qian’an County,Jilin Province

In order to accurately and comprehensively grasp the current situation of medicinal plant resources in Qian ’an County,this study carried out investigation and Research on the 3 representative areas of meadow,grassland and broad-leaved forest in Qian An county,according to the requirements of the operation specification of the fourth national survey technology of Chinese traditional medicine resources.On the basis of the investigation of medicinal plant resources in Qian An county,this paper analyzes the dominant family,life type,ecological area similarity and medicinal species of medicinal plant resources in Qian An county,and puts forward some suggestions on the exploitation and utilization of medicinal plant resources in combination with the local actual situation.The results of this study are as follows: 1.The fundmental resources of the wild medicinal plants of Qian′an county.There are 146 species of wild medicinal plants,belonging to 42 families,109 genera,respectively accounted for 10.97% of the national medicinal plant resources of the total number of families and 4.72% of the total number of genera and 1.31% of the total species,of which 17 key national survey varieties,19 provincial key survey varieties,1 0 provincial secondary key investigation varieties and 100 general varieties.2.The dominant families and genera of the wild medicinal plant resourcesIn Qian′an county,there are 3 dominant families with over 10 species of traditional Chinese medicine resources,namely,Compositae,legumes and Liliaceae with total 55 species of medicinal plants,accounting for 37.67% of the total of the medicinal plants in Qian′an county.The number of single species distribution family and few species distribution family account for about 88.00% of the total number of families,showed that the medicinal plant resource are complicated and diversified.The number of single variety distribution genera and betrayal variety distribution genera of Qianan county account for about 99.07% of the total number of genera of medicinal plants,a total of 140 kinds of medicinal plants accounts for about 95.89% of the total species of medicinal plants,showed medicinal plants of Qianan county in the genus level distribution is very fragmented and its diversity is higher,and showed single variety distribution genera and betrayal variety distribution genera is the main part of medicinal plant resources of Qianan county.And the medicinal plant resources of Qianan county has no obvious advantage genera phenomenon.3.The life form of the wild medicinal plant resourcesIn Qianan county,there are 138 species of the herbaceous medicinal plants accounting for 94.52% of the total species of medicinal plants,and 100 species of perennial herb,accounting for 68.49% of the total species;A total of 38 medicinal herbaceous annual and biennial of Qianan county account for about 26.03% of the total species;There are 5 kinds of shrubs and trees of the medicinal plants accountfor about 4.79% of the total species;One kind of vine of the medicinal plants accounts for about 0.68% of the total of the species in Qianan county.The medicinal plant resources of Qianan county are mainly composed of herbs,rarely vine and woody plants.4.Similarity of ecological zone in Qianan countyWith 109 medicinal plant species for steppe and meadow,similarity index is 0.7622 which is very similar;With 31 species of medicinal plants in grassland and broad-leaved forest,similarity index is 0.2589 which the is medium similar;With 27 species of medicinal plants in meadow and broad-leaved forest,similarity index is 0.1985 which is very similar.5.The kinds of Chinese traditional medicinal materials in Qianan countyThe species of medicinal materials with whole grasses in Qianan county is most with a total of 84 kinds of medicinal plants,accounting for 57.53% of the total species of Qianan county.The 38 species of medicinal materials with Root and rhizome of medicinal plant species,in Qianan county accounts for about 26.02% of the total of medicinal plants;31 medicinal plant species with seed and fruits accounts for 21.23% of the total species of medicinal plants;6 pecies of medicinal plant with leves accounts for about 4.11% of the total species of medicinal plants;6 species of medicinal plant with flower accounts for about 4.11% of the total species of medicinal plants;The number of medicinal plant with bark with just one species accounts for about 0.64% of the total species of medicinal plants.6 The stock of the medicinal plant resourcesThere are more than 1000 tons of medicinal plants such as Polygonum aviculare L.,Potentilla chinensis Ser and Phragmites australis(Cav.)Trin.ex Steud.in Qian ’an County,with the reed reaching 2180.58 tons.Polygonum aviculare L.,Potentilla chinensis Ser and Phragmites australis(Cav.)Trin.ex Steud.and so on are widely distributed,requiring less habitat,easy to survive,and easy to be exploited.The important medicinal plant resources such as Glycyrrhiza uralensis Fisch.,Bupleurum scorzonerifolium Willd.,Saposhnikovia divaricata(Turcz.)Schischk and so on are small in distribution range in Qian An county because of habitat destruction and overexploitation.7.Suggestions for the sustainable development of medicinal plant resources of Qianan countyAiming at the existing problem of Chinese medicine resources of Qianan county,the following two Suggestions were presented:(1)Strengthen the species and ecological environmental protection consciousness;(2)Strengthen the rational development and utilization of traditional Chinese medicine resources and improve the effective utilization of resources.