第一节 非木材产品的种类 第二节 森林资源多向利用 第三节 森林旅游经济问题

Defining the production technology and technical efficiency The measurement and decomposition of cost efficiency Empirical methods Technical efficiency in southern U. S. pulpwood harvesting

This chapter discusses privately owned forests and timber management in a market economy, including : (1) private property rights and tenure (2) landowner objectives (3) landowner characteristics (4) markets (5) government policies impacts

Data on world forest extent ,plantation extent ,and forest management and ownership provide the basis for monitoring the status of the world’s forest, as well as analyzing the effects of markets and government on those forests

第一节 叶的主要功能 第二节 叶的形态 第三节 叶的发育和结构

Summary Theory Modeling approaches

Financial Analysis of Timber Investments 1. MODERN FINANCIALANALYSIS OF TIMBER INVESTMENTS 2. EVOLUTION OF TIMBERLAND AS AN ASSET CLASS 3. CONCLUSION

Forest Production 1. HARVESTING COSTS IN THE SOUTH 2. PRODUCTION THEORY 3. PRODUCTION AND COST OF HARVESTING SOUTHERN TIMBER 4. CONCLUSION

一、市场机制在资源配置方面的基础作用 二、市场失灵及其原因 三、政府对林业实行宏观调控的必要性

腹部是昆虫的第 三体段,9-12节 (包括尾节), 是昆虫新陈代谢和生殖中心,按机能的分: