摘要
随着国际贸易往来和旅游业的发展,生物入侵在我国不断加剧,正在成为威胁我国生物多样性与生态环境的重要因素之一。外来入侵种的生态代价是造成本地物种多样性不可弥补的消失以及物种的灭绝,其经济代价是农林牧渔业产量与质量的惨重损失与高额的防治费用。文章探讨了外来入侵生物在我国的危害状况、过程、入侵原因,提出了外来入侵生物的预防及管理对策。
Biological invasion is becoming one of the most important factors threatening biodiversity and stability of various ecological systems in China.The impacts of these biological invasions are becoming a more serious problems with development and increase of global trade, transportation, international travel and ecological tourism.Harmful alien invasive species often leads to irreversible species extinction, and results in substantial economic losses within managed and natural ecosystem, including agriculture, forestry,fishery and animal production.The impacts and invasion method and prevention process of alien invasive species, and management of biological invasion are discussed.
出处
《广州环境科学》
2003年第3期29-32,42,共5页
Guangzhou Environmental Science
关键词
生物入侵
危害
管理对策
生物多样性
生态系统安全
biological invasion
biodiversity
ecological system safety
management strategy
