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引种外地表现有益的物种是发展当地农业经济的一个重要途径。但是，引种不当，则可造成生物灾害，后患无穷。因此，采取有效措施，防止盲目引种甚为重要。１盲目引种所致生物灾害是触目惊心的１９９８年长江突发百年不遇的洪水，江防大堤险象环生。而武汉长江大堤的相当一...
The introduction of exotic species for performance is an important way to develop the local agricultural economy. However, improper introduction can result in biological catastrophe with no end of trouble. Therefore, it is very important to take effective measures to prevent blind introduction. The biological catastrophe caused by the blind introduction is a startling flood in 1998 when the Yangtze River suddenly hit a hundred years. The river embankment is at risk. The Wuhan Yangtze embankment quite a ...