海南大学儋州校区入侵植物调查

Investigation of invasive plants in Danzhou Campus of Hainan University

海南大学儋州校区位于海南岛西部,属热带湿润季风气候,校园景观多样,适合入侵植物的生长与繁殖。为掌握校园入侵植物的情况,以便为防治入侵植物提供参考,笔者于2017年7~8月,对校园入侵植物进行调查。调查结果表明:海南大学儋州校区入侵植物51科152属211种,其中菊科(Compositae)、苋科(Amaranthaceae)、禾本科(Gramineae)、茄科(Solanaceae)分别占调查到的入侵植物总数的12.3%,7.6%,7.1%和7.1%。在这些入侵植物中,有恶性入侵类19种,严重入侵类30种,并且恶性入侵类和严重入侵类的91.8%来自于美洲。

Invasive plants are plants that are introduced into non-native environments through human activities,which grow aggressively and spread in the natural areas,and affect plants,environments,or species in the region.An investigation was made of invasive plants growing in Danzhou Campus of Hainan University in the west part of Hainan Island during July to August 2017 to have an understanding of the invasive plants in the Campus for future control of the invasives. The Danzhou Campus falls in the tropical humid monsoonal climate and has a great variety of landscapes suitable for aggressive growth and spread of invasive plants. The investigation showed that there were51 families,152 genus and 211 species invasive plants in the Danzhou Campus,of which invasive plants of Compositae,Amaranthaceae,Gramineae and Solanaceae accounted for 12. 3%,7. 6%,7. 1% and 7. 1% respectively.Among these invasive plants,18 plant species were noxiously invasive and 30 were seriously invasive,and 91. 8%of both the noxious and the serious invasive plant species were introduced from America.