因此，应重视通过调整物种组成，增加阔叶树种比例以增强森林的自肥能力。
Therefore, it should be emphasized to enhance the self - fertilization capability of forest by adjusting the species composition and increasing the proportion of native broad - leaved species.
大力发展森林旅游业，既是建设文明国家的需要，又是调整林业产业结构、促进林区社会稳定的需要。
To vigorously develop forest tourism is both the need of building a civilized country and the needs of restructuring the forestry industry and promoting the social stability in forest regions.
为森林产品进出口政策的调整与制订提供了理论依据与具有可操作性的方法。
This will become a" strategic trade policy stylizing " implemented by various countries to make the imports and exports policy of forest products.
同时还应把维护和提高地力、调整森林的组成和结构作为提高森林质量的一项长期策略；
Setting the long-term strategy of improving and maintaining the land productivity, adjusting the forest composition and structure so as to improve the forest quality in Beijing.
分层序列法是一种多目标决策方法，本文将其用于山西省管涔山森林经营局千秋沟林场落叶松经营类型的森林收获调整。
It is applied in this paper for larch forest harvest regulation in Qianqiugou Forest Farm, Guancenshan Forest Management Bureau, Shanxi Province.
实施分类经营，调整森林经营周期结构；
实施分类经营，调整森林经营周期结构；
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