【摘要】 生物多样性是所有生物种类、种内遗传变异和它们的生存环境的总称，按照空间尺度可以划分为遗传多样性、物种多样性、生态系统多样性和景观多样性。对生物多样性的研究、保护和持续利用是关系到人类社会生存与发展的重要问题。本文介绍了生物多样性的基本含义和现状，从三个层次对生物多样性的研究方法和研究内容进行了评述，其中着重讨论作为基础的遗传多样性的研究进展，并提出了今后生物多样性的研究重点。更多还原

【Abstract】 Biodiversity is the sum total of all species, genetic variation within species and the enviroment. According to the spatial scale, biodiversity can be divided into genetic diversity, species diversity, ecosystem diversity and landscape diversity. The research, protection and sustainable utilization of biodiversity are closely related to the existence and divelopment of human society, This paper introducd the meaning and current situation of biodiversity, discussed the research methods and content of biodiversity on different levels, and pointed out the research focus in the near future.更多还原