本文主要从榕树物候学、榕小蜂繁殖行为学和生态学三个方面展开对西双版纳热带雨林下的歪叶榕和假斜叶榕两种榕树的繁殖机制研究。
This paper presents for the first time information on the reproductive ecology of two dioecious fig species, mainly on their phenology, the reproductive behaviors of associated fig wasps and ecology.
本文运用数理统计方法，并结合现代生态学领域中较新的理论，对四川兴文地区长兴阶的三个古群落进行了结构模式和群落的更替分析。
This paper analyses the structural pattern and community succession of three Changhsingian paleocommunities in Xingwen area by the mathematical statistics method and modern ecologic theory.
但是，生态农业的研究也存在三个缺陷：定义本身的缺陷、战略特色的缺陷和对国外生态农业研究的缺陷。
A. S. in China. But e. a. S. has three defects: defect of definition itself, defect of strategy characteristic and defect of studying on foreign ecological agriculture.
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