supported by the National Basic Research Program of China (2007CB411600);Na-tional Natural Science Foundation of China (30670272, 30770500 and 10761010);the Natural Science Foundation of Yunnan Province (2009- CD104);the West Light Foundation of the Chinese Academy of Sciences;Special Fund for the Excellent Youth of the Chinese Academy of Sciences (KSCX2-EW-Q-9);State Key Laboratory of Genetic Resources and Evolu-tion;the National Social Science Foundation of China (08XTJ001);Research Grants Council of Hong Kong (HKBU2030/07P)
Research on species interactions has generally assumed that species have a fixed interaction and therefore linear or non-linear parametric regression models (e.g. exponential, logistic) have been widely used to descri...