【摘要】 本文对广泛分布于东北林区及黑龙江流域之河漫滩与低平原上的小叶章草甸的地下生物量的组成、结构、动态及其与地上生物量间的关系进行了较为深入的探讨,为该类草地的开发与利用以及该草地生态系统结构与功能的认识提供了基础资料。更多还原

【Abstract】 ABSTRACT Calamagrostis angushfolia meadow widely distribute over the forest area of Northeast China and the flood land and low—lying land of Heilongjiang river basin. The composition, structure, dynamics of underground biomass and the correlations between underground and aboveground biomass of Calamagrostis angustifolia meadow have been reported here. The results supplied a fundamental data for the exploitation and utilization of the grassland. And they also made a understanding of the structure and the function of the ecosystem.更多还原