【摘要】 为适应高山流石带极端恶劣的环境,高寒植物在形态和生理上发展进化出不同的适应机制。本文对青藏高原祁连县牛心山高寒草甸以上流石坡这一特殊地域的植物构成及生态特点进行了初步调查研究。此外流石带处于生态脆弱区,人为干扰及变化的气候会对植被造成危害。本文旨在提供该特殊生境植物多样性的基本信息,为流石带植物的保护提供资料。[1]更多还原

【Abstract】 To adapt scree habit,the plants in there developed morphological and ecological variations.Plant diversity and community structure of screes of Mt.Niuxin,Qilian county has been studies based on field investigation.Screes as a vulnerable zone,human actions and climate changes would bring immense influences.The paper offered some informations on species diversity to protect the plant at screes.更多还原