| 经营措施对林地长期生产力影响的研究策略 |
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| 引用本文： | 方升佐,徐锡增. 经营措施对林地长期生产力影响的研究策略[J]. 世界林业研究, 1999, 12(2): 13-18 |
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| 作者姓名： | 方升佐 徐锡增 |
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| 作者单位： | 南京林业大学森林资源与环境学院, 南京, 210037 |
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| 摘 要： | 随着社会对木材需求量的增大及更多的天然林被划为环境保护林,人工林在未来木材生产中将起越来越大的作用,致使林地长期生产力的维护问题引起了全世界的重视.主要介绍了经营措施对林地长期生产力影响的研究策略,并比较了演替时序研究、追溯研究及长期定位试验3种研究方法的优缺点及应用概况.
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| 关 键 词： | 经营措施 长期立地生产力 研究方法 |
Research Strategies for Determining the Effects of Management Practices on Long-term Productivity |
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| Fang Shengzuo and Xu Xizeng. Research Strategies for Determining the Effects of Management Practices on Long-term Productivity[J]. World Forestry Research, 1999, 12(2): 13-18 |
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| Authors: | Fang Shengzuo and Xu Xizeng |
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| Affiliation: | College of Forest Resources and Environment in NanjingForestry University, Najing 210037, China |
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| Abstract: | More attentis have been paid to the sustainability of forest production as the demand for woodexpands and greater areas of natural forest are being placed under increasing environmental constraints.Therefore,man-made forest will play a greater role in future's wood production,which makes maintainingof long-term site productivity be widely realized in the world.The research strategies for determining theeffects of management practices on long-term productivity are introduced,and advantages,weaknesses andcase examples for chronosequeuce studies,retrospective studies and long-term experiments are also discussedin the paper. |
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