杨凌地区外来植物的初步研究

The Preliminary Study of Exotic Plants in Yangling Area

为了解杨凌地区外来植物的入侵状况,并制定合理的防控措施,从植物来源、生活型及入侵现状等方面进行了详细的分析。结果表明:杨凌地区外来植物共有87种,其原产地主要集中在美洲、欧洲地区,外来植物在一定程度上丰富了本地的生物多样性;杨凌地区的外来植物大多属于有益外来植物和中性外来植物。目前对杨凌地区外来入侵植物危害的认识还不够深入,对其外来植物的研究处于初步阶段,应采取积极的防范措施以保护杨凌地区的环境。如:制定长期监测机制、建立监管制度、对外来植物进行深入研究、加强宣传培训力度以及建立早期预警预报体系。

In order to understand the invasion of exotic plants in Yangiing area, and make reasonable control measures,the analysis on plant resource, life form and invasion status were studied in detail. The results showed that there were 87 kinds of exotic plants in Yangling area,mainly from America or European, which enriched the local species diversity. Most of the exotic plants in Yangling were beneficial or neutral. Now the study of exotic plants in Yangling,especially the harmful effects they brought, was still at the primary stage. So,it is necessary to take positive preventive measures to protect the environment of Yangling area. For exampie establishing a long-term regulatory system, setting up supervisory system, researching on exotic plants, strengthening training and building up early warning and forecast system.