【摘要】 阐述了生物多样性的内涵，提出生物多样性研究的内容包括物种多样性、遗传多样性和生态系统多样性，自然界中的物质循环和能量流动与其密切相关。从生物多样性的角度解释了生态平衡的原理。更多还原

【Abstract】 On Study the biological diversity, there are species diversity, genetic diversity and ecosystem diversity. Material circulation and energy flowing are connected with the biological diversity in nature. The principle of equilibrium of ecosystem can be interpreted with the biological diversity.更多还原