关于入侵植物对我国城市景观的影响及控制方法的讨论

Effect of Invasive Plants on China's City Landscape and Control Methods

生物入侵因其巨大的危害性而引起了生态学家的广泛关注。生物入侵是自然生态系统面临的最重要的全球性问题之一,它不仅是导致生物多样性丧失的主要原因之一,而且威胁着全球的生态环境和经济发展。由于人为活动的越来越频繁,加大了外来植物入侵的速度,尤其是近20年来,随着国际交往的不断增加,到底有多少外来物种传入我国,有多少已建立种群并带来危害,由于种种原因,这些都是难以准确回答的问题。本文先从宏观上对我国的入侵植物现状进行阐述,再着重例举在广东省内肆虐生长的入侵物种的特点,以及对城市景观造成的不良影响,综合讨论对入侵植物的预防和防治方法。

Biological invasions have attracted extensive attention by ecologists because of its great harmfulness. Biological invasion is one of the most important global problems of the natural ecological system, it not only is one of the main causes of biodiversity loss, but also threatens the global ecological environment and economic development. Due to human activities have become increasingly frequent, the speed of the invasion of exotic plants increasing faster, especially in recent 20 years. With the continuous increase of international communication, It is difficult to answer how many exotic species introduced into China, or how many have established populations and harm. This paper first elaborates the invasive plants on the status of our country from the macro, and then focuses on the characteristics of Guangdong Province are in the raging growth of invasive species, as well as the adverse effects on the city landscape, comprehensive discussion of prevention and control of invasive plants.