草地退化对星毛萎陵菜叶片结构的影响

The Impact Of Grassland Degeneration On The Blade Structure Of Potentilla acaulis L.

在草原过度放牧条件下,草原植物出现植株变矮,叶片变短、变窄等外部形态小型化。本文对位于锡林郭勒盟典型草原地带的中国科学院草原生态系统定位研究站样地上的星毛萎陵菜的叶片进行了内部结构的观察。研究发现星毛萎陵菜叶片的结构更趋于旱化,对恶劣的环境具有良好的适应性。

The blades of the plants in the degraded grassland become short and small and smaller under the over-grazed condition.The inner structure of the blades of the Potentilla acaulis L.at the research station for ecology system of CAS in typical grassland area in Xilinguole region is observed.The results shows that the Potentilla acaulis L.tends to have the characteristics of arid plants,which can adapt to the cruel environment more effectively.