[Hu, Li; Li, Xiaoma] Hunan Agr Univ, Hunan Prov Key Lab Landscape Ecol & Planning & Des, Coll Landscape Architecture & Art Design, Higher Educ Inst, Changsha 410128, Peoples R China.
[Fan, Chao] New Mexico State Univ, Dept Geog & Environm Studies, Las Cruces, NM 88011 USA.
[Cai, Zhengwu] Hunan Agr Univ, Coll Environm & Ecol, Hunan Prov Key Lab Rural Ecosyst Hlth Dongting Lak, Changsha 410128, Peoples R China.
[Liao, Wei] Hunan Agr Univ, Coll Hort, Changsha 410128, Peoples R China.
[Liao, Wei] Hunan Univ Finance & Econ, Hunan Inst Econ Geog, Changsha 410205, Peoples R China.