The main factor of the dynamical change of the ecological forest in Minjiang Watershed was the mutual change among the broadleaf, Chinese fir, pinus massoniana and mixed forest, and there was relatively small change in other types.
闽江流域生态公益林动态变化的主导因素是阔叶树、杉木、马尾松与针阔混交林之间的相互转化，其它森林类型变化相对较小。
参考来源 - 基于3S技术闽江流域生态公益林体系高效空间配置研究Pinus tabulaeformis is one of pioneer species for barren hill afforestation and ecological forest in North and Northwest of China. It plays an important role in conserving soil and water and protecting environment.
油松（Pinus tabulaeformis）是我国华北及西北荒山绿化和生态林的先锋树种,具有保持水土和保护环境的功能。
参考来源 - 油松种子萌发生态学研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Secondl, establishing the acquisition system of property rights in ecological forest farmland and increasing farmers' predictability of economic benefits.
第二，建立退耕生态林产权收购制度，增加农民经济效益的可预期性。
The area of key public forests funded by the central government with the forest ecological conservation fund expanded to 46.67 million hectares.
中央财政森林生态效益补偿基金支持的重点公益林扩大到7亿亩。
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