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生物防火是生物技术发展的必然趋势。营造生物防火林带是森林防火工作的治本措施。生物防火林带主要由阻火性能强的乔、灌木树种组成，它具有使用周期长、防火效能高、能充分利用土地资源、改善林分结构、增加森林蓄积、增强林分抗灾能力及促进林区经济发展等多种优点，因而受
Biological fire prevention is the inevitable trend of biotechnology development. Building a biological forest belt is a permanent cure for forest fire prevention. It is mainly composed of tree and shrub species with high fire-retardant performance. It has the advantages of long service life, high fire-fighting efficiency, full utilization of land resources, improvement of stand structure, increase of forest accumulation, enhancement of stand resilience and promotion of forest area Economic development and many other advantages, thus subject