森林结构的英文

constitution

例句与用法

Urban forest structure of hefei city
合肥城市森林结构分析研究
Forest ecosystem management takes forests as a com plex ecosystem . in the process of managing and utilizing forest resources , the eco system should be maintained in a healthy and integrated state , and its function be kept for a long time in good condition . for this purpose , the paper puts forward a basic unit - dividing method for forest ecosystem management , using subcompartm ent dividing combined with forest type dividing . it also discusses the relations of forest structure with ecosystem productivity , productive potentiality and biod iversity under forest ecosystem management
森林生态系统经营是将森林作为一个复杂的生态系统来经营,在对森林资源的经营利用过程中,应维持森林生态系统的健康与完整，并长期保持系统的功能良好.提出将小班区划与林型划分相结合的方法来划分森林生态系统经营的最基本单位，并对森林生态系统经营中森林结构与系统生产力、生产潜力、生物多样性等的关系问题进行了探讨