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随着城市人口的集中,城市环境污染及火灾日益严重,已为人所共睹,必须引起足够的重视。现就防治火灾而言,除严格控制火源外,大力营造抗火性强的绿化树种来防治火灾的发生也有其重要的作用。这个问题在过去漫长的历史上很少被人们认识,直到1923年日本发生地震引起的火灾,城市公园却意外地成了避难所,自1949年以后公园绿地被认为是保护城市居民生命财产的有效公共设施。1976年7月唐山地震,15处公园绿地总面积为400多公
With the concentration of urban population, urban environmental pollution and fire are worsening day by day, it has become known to all and must be given sufficient attention. In terms of fire prevention and control, in addition to strictly controlling the sources of fire, it is also important to vigorously create green fire-resistant tree species to prevent and control fire. This problem has rarely been known in the long history of the world until it was hit by an earthquake in Japan in 1923. Urban parks unexpectedly became shelters. Since 1949, parkland has been considered to be effective in protecting the lives and property of urban residents public Utilities. July 1976 Tangshan earthquake, 15 parks green area of more than 400 public