摘要
综合了许多研究资料,就生物多样性的内涵及其研究热点进行了综合评述,生物多样性是 所有生物种类、种内遗传变异和它们生存环境的总称,按照空间尺度可分为遗传多样性、物种多样 性、生态系统多样性和景观多样性.并对生物多样性保护作了介绍.
Biodiversity is the sum total of all species, genetic variation with in species and the environment. According to the spatial scale, biodiversity can be divided into genetic diversity, species diversity,ecosystem diversity and landscape diversity. This paper syntheticly discourses the concept of biodiversity and the focal study on it. Forthemore, this paper sirnplely introduces the biodiversity conversation.
出处
《陕西师范大学学报(自然科学版)》
CAS
CSCD
北大核心
2004年第S2期152-157,共6页
Journal of Shaanxi Normal University:Natural Science Edition
关键词
生物多样性
热点
生物多样性保护
biodiversity
focal study
biodiversity conversation