四川小寨子沟自然保护区大熊猫生境植物群落结构特征

通过沿海拔梯度的系统调查,对小寨子沟自然保护区大熊猫生境的植物群落种类组成和结构进行了初步研究。结果表明:(1)小寨子沟大熊猫生境的植被类型有2种:阔叶林和针叶林;(2)小寨子沟自然保护区内分布有青川箭竹、缺苞箭竹、华西箭竹、冷箭竹等多种箭竹,这些作为大熊猫食料的箭竹广布在各种植被类型中,尤其是针阔混交林和亚高山针叶林;(3)大熊猫对生境的群落结构有较广的适宜性,阔叶林、针阔混交林、亚高山针叶林均可作为它的适宜生境;(4)小寨子沟自然保护区内的植被类型是随海拔的升高而自然过渡的,呈现出受人类活动影响较小的自然状态。

Plant community structural characteristics of giant panda habitat in Xiaozhaizigou Nature Reserve, Sichuan

Community composition and structure of giant panda habitat were studied by systematic survey along altitudinal gradients in Xizozhaizigou Nature Reserve. It was found that:(1)The vegetation type of Xiaozhaizigou Nature Reservation are broad-leaved forest and coniferous deciduous forest,subalpine coniferous forests;(2)There are Fargesia rufa,F.denudata,F.nitida,Bashania fangianain various vegetation type in Xiaozhaizigou Nature Reserve,especially mixed coniferous and broad-leaved forests and subalpine coniferous forests;(3)In Xiaozhaizigou,the broad-leaved forest,mixed coniferous and broad-leaved forests, and subalpine coniferous forests were suitable habitat for pandas;(4)With the ascension of altitude,the vegetation type alters naturally and takes on natural state.