In order to restoring the original forest structure and function, improving the quality of forest stands, it is necessary to transform low-quality forest.
为了改善林分质量、恢复原有森林结构和功能，有必要对低质林分进行改造。
As the primary producer of forest ecosystems the forest productivity reflects the structure and function of plant community synthetically.
森林生产力是森林生态系统中作为第一性生产者植物群落结构与功能的综合体现。
A holistic introduction to the system structure, platform selection and function performance of Shaanxi forest resources information management system.
全面介绍了陕西省森林资源信息管理系统的系统结构、平台选择和功能实现。
Forest structure, individual quality, tree density and crown density, and structure and function of brush forest are used to construct a criterion to the LQBF.
判定低质低效林的依据是林分的结构、林木个体质量、密度和郁闭度、灌木林结构和功能。
With the guiding of the system idea and the key elements, main sub - systems and optimal structure can DE identified. Finally, the system of forest certification will show its optimal function.
在系统思想指导下，找出我国森林认证的关键要素、主要子系统和最优结构，才能发挥森林认证体系的最佳功能。
Study the structure and function of ecosystems of Subtropical Rainforest in Nanjing, Coniferous forest in Yong'an, Phoebe forest in Mingxi, Bamboo forest in Wuyishan and Dehua.
以和溪南亚热带雨林、永安天宝岩长苞铁杉林、明溪君子峰闽楠林、武夷山毛竹林为主，开展森林生态系统的结构与功能研究。
Forest litter was main component of forest ecosystems, it was very important for the forest ecosystems to remain its structure and function.
森林凋落物作为森林生态系统的重要组成部分，对维系森林生态系统的结构和功能具有非常重要的作用。
The stability of structure and function (photosynthesis production) of the ravine tropical rain forest is maintained by a lot of tree populations, and relative constancy of individuals in each layer.
沟谷热带雨林群落结构和功能(光合生产)的稳定性是以多个物种种群以及各层次中个体数量的相对稳定来维持的。
Its structure and function were described. The system provided new methods for forest pest management.
此系统应用潜力巨大，为森林病虫害综合治理研究提供了新的途径和方法。
Its structure and function were described. The system provided new methods for forest pest management.
此系统应用潜力巨大，为森林病虫害综合治理研究提供了新的途径和方法。
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