Abstract:

The alien invasion is a far-reaching global issue, which has a major impact on the ecosystem, environment, health, society and economic development of countries. Especially in recent years, with the acceleration of global warming and global trade liberalization, the species and amounts of invasive alien species have shown a rapid growth trend, leading to an increasingly serious threat. Without effective prevention and countermeasures, the alien invasion may lead to “bioterrorism”. This paper takes Spodoptera frugiperda which is a major pest invading China in a large scale in FAO global warnings in January 2019, as an example, analyzes the impact of invading organisms on China’s economy, ecology and society, and illustrates the possible invasion pathways of alien organisms, and dissects the challenges of prevention countermeasures of alien biological invasion in China in the current era, and also proposes a series of comprehensive prevention and control measures according to the invasion characteristics and impacts of invading organisms, including improving the management mechanism of “unified supervision, division of labor and responsibility”, accelerating the legislation of invasive alien species, completing the well-structured and scientific management system, establishing the law and monitoring system, strengthening the basic research of invasive alien species and the establishment of prevention and control networks, and deepening the science popularization and education.

Key words: alien species, biological invasion, Spodoptera frugiperda, biodiversity, situation and strategy