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生物入侵是今天的科学工作者、政府、媒体所广泛关注的热点问题。所谓生物入侵,是指一种生物因种种原因到达一个新的区域或生境,并且与新区域或新生境的原有生物发生竞争,对植物生长,生物多样性和生态系统产生影响。典型的例子是原发北美的松材线虫,因包装箱的原因侵入日本。我国1982年秋季首次在南京中山陵发现,在1982~1986年间,使南京
Biological invasion is a hot issue that has drawn wide attention from scientists, government and media today. Biological invasion refers to the fact that a species arrives at a new area or habitat for various reasons and competes with existing organisms in new or new habitats, affecting plant growth, biodiversity and ecosystems. A typical example is the original North American pine wood nematode, due to the reasons for the invasion of Japan box. In the autumn of 1982, for the first time in China, Sun Yat-sen discovered in Nanjing, making Nanjing during 1982-1986