Function or paddy wetland landscape ecosystem and its benefit in hilly region of south Changjiang River: with Youxian County of Hunan Province as an example GIS-based study on spatial structure of urban greenbelt landscapes: Taking Ningbo City as an example Preliminary research on patterns of the tourism landscape ecosystem: concept and spatial units system Optimized eco-productive paradigm of hilly landscapes in the southern piedmont region of Daxing’anling Mountain—A case study of Linxi County, Inner Mongolia The theory research on tourism landscape ecosystem Landscape ecological mechanism on system coupling of the meta-ecosystem consisted of mountain,desert and oasis in Hexi corridor,Gansu,China Landscape pattern and productivity characteristics of the oasis landscape ecosystem in Linze,Gansu,China A theoretical methodology of landscape eco-classification