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近年来在我国城市建设、绿化美化的过程中，出现“大树进城”的不良做法。城市的许多大树、古树来自乡村，有的甚至来自国家自然保护区。不仅对乡村及保护区生态造成了极大的破坏，而且外来物种由于不适应城市生长环境，成活率较低，浪费极大。发挥本地树种的生态适应性，是我国生态城市建设的必由之路。
<<In recent years，to create green and beautiful urban landscape，some big and old trees were removed to cities from rural areas，some even from national natural reserves. This could cause serious ecological damage to the countryside and natural reserves，and also tremendous waste since few such trees can adapt to and survive the new urban habitat. To build ecological cities，it is necessary to make use of the ecological adaptability of local trees.
<<| Keywords： | Harmonious DevelopmentTransplanting Tall and Old Trees To CitiesUrban GreenizationCountryside Ecology |
