Kira′s warmth index(WI),coldness index(CI)and XU′s humidity index(HI)of 112 dominants and main companions have been calculated.The groups of Kira′s watertemperature distribution of these species have been divided into five.They are G1(Microthermal subhumid type),G2(Microthermal humid type),G3(Micromesothermal humid type),G4(Megamesothermal humid type),G5(Megathermal humid type).The Kira′s watertemperature indexes on the distributional upper limit and north limit of subtropical evergreen broadleave...