[Liu, Yan; Cai, Desuo] Guangxi Univ, Coll Civil Engn & Architecture, Nanning 530004, Peoples R China.
[Liu, Yan; Zeng, Fu-ping; Song, Tongqing; Song, Min; Du, Hu; Peng, Wanxia] Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China.
[Liu, Yan; Zeng, Fu-ping; Song, Tongqing; Song, Min; Du, Hu; Peng, Wanxia] Chinese Acad Sci, Huanjiang Observat & Res Stn Karst Ecosyst, Huanjiang 547100, Peoples R China.
[Song, Min] Hunan Agr Univ, Dept Grass Sci, Coll Agr, Changsha 410125, Hunan, Peoples R China.