论文部分内容阅读
由中南林学院开展的杉木人工林生态系统结构、功能及生物生产力的研究,经林业部科技司主持的专家鉴定认为,该课题的主题思想正确,技术路线和方法是先进和严谨的,材料齐全、数据可靠,在总体上达到了国内先进水平。在某些研究方法上,如生物量测定的样本选取、穿透水测定、地下径流的测定技术和土壤水分测定仪器等进行了改进和创新。在研究设计的整体性、不同学科的协同性特别在养分循环系统和完整性方面已达到了国际先进水平。
The research on the structure, function and biological productivity of Cunninghamia lanceolata plantation ecosystems conducted by Central South Forestry University was approved by experts appraised by the Department of Science and Technology of the Ministry of Forestry. The theme of the subject is correct, the technical route and method are advanced and rigorous, and the materials are complete , The data is reliable, has reached the domestic advanced level on the whole. In some research methods, such as sample selection of biomass measurement, penetration water determination, measurement technology of underground runoff and soil moisture measuring instruments, etc., improvements and innovations have been made. In the study of the integrity of the design, the synergy of different disciplines has reached the international advanced level, especially in terms of nutrient circulatory system and integrity.