辽宁南部草地植物资源组成分析

Study on plant resources in Southern of Liaoning grassland

通过对辽南草地植物资源进行的大范围取样调查,分析了辽南草地植物的资源组成.结果表明:辽南草地植物物种共有164种;植物生活型以地上芽和地面芽为主,分枝生长型植物占50.61%,直根型植物有95种,占57.93%;植物资源所属科内包括大量的属,其中菊科和禾本科为优势科,20个属内有2~5种,87个属内只有1种,单种属和单属科较多;辽南草地植物资源种类齐全且复杂,药用植物资源最多,为107种,饲用植物资源47种,观赏防护植物资源29种,食用植物资源25种,工业植物资源20种,珍惜植物资源1种.在揭示了辽南草地植物资源状况的同时,提出了关于植物资源保护和合理开发利用的建议,以更好地保护辽南草地植物资源并提高其利用率.

Large-scale sample survey on plant resources was conducted in Southern of Liaoning Province.The results showed that there were 164 species in southern grassland of Liaoning.Families that plant resources belonged to includes a large number of genera.Asteraceae and Gramineae were the dominant families.There were 2 to 5 species in 20 genera while there was the only one specie in other 87 genera.There were many genera with one species and many families with one genera.The natural grassland in southern of Liaoning was complex.Medicinal plant resources were 107 species,forage plant resources were 47 species,ornamental and protective plant resources were 29 species,edible plant resources was 25 species,industrial plant resources was 20 species,and treasure plant resources was the one.This study revealed plant resources in the southern grassland of Liaoning.At the same time,it provided some suggestions about plant resources protection and rational development in order to better protect plant resources and improve its utilization.