Gradient Variations in Landscape Pattern from Northwest to Southeast in Tangjiahe Nature Reserve, Sichuan Province

HUANG You-You , , LIU Shou-Jiang , HU Jin-Yao , QIAO Bo , ,
CUI Shi-Fa , , XU Xiao ,

Plant Diversity . 2009, (1): 49 -56 .  DOI: 10.3724 SP.J.1143.2009.08116