生境破碎化对草原生物多样性与生态系统功能关系的影响

生物多样性与生态系统功能关系是近年来生态学研究的热点问题之一，两者间关系的背景依赖性引起了很大的关注，但生境破碎化对生物多样性与生态系统功能关系的影响及驱动机制还了解有限。内蒙古草原生境破碎化严重，残存草地斑块是维持生态系统功能的热点区域。因此，本研究以内蒙古草原群落为研究对象，通过野外考察与室内实验相结合的方法，完成生境破碎化度量，并获得物种多样性、功能多样性及生态系统多功能性信息，从而阐明生境破碎化对生物多样性与生态系统功能关系的影响，并揭示其驱动机制。该研究在丰富生物多样性与生态系统功能关系理论研究的同时，亦可为破碎化背景下草地生态系统恢复和生物多样性保育提供科学依据。

The relationship between biodiversity and ecosystem function has been one of the hot topics in ecology in recent years. The context dependent of the relationship between biodiversity and ecosystem function has attracted much attention. However, the effect and driving mechanism of habitat fragmentation on the relationship between biodiversity and ecosystem function are also limited. The Inner Mongolia Grassland faces serious habitat fragmentation, and the remaining grassland patches are considered as hot spots to maintain regional ecological function. Therefore, this study will be conducted in the Inner Mongolia Grassland. Combined with field vegetation survey and laboratory experiment, habitat fragmentation will be assessed. Meanwhile, species diversity, functional diversity and ecosystem multifunction will be acquired. This study will clarify the effect of habitat fragmentation on the relationship between biodiversity and ecosystem function, and reveal its driving mechanism. The study is expected to not only enrich the theoretical study of the relationship between biodiversity and ecosystem function, but also provide scientific support for the guidance of grassland restoration and biodiversity conservation in the context of habitat fragmentation.