干旱区荒漠-绿洲过渡带3种典型灌木气孔导度对环境变化的响应及其对蒸腾的调控
郭飞,吉喜斌,金博文,赵丽雯,赵文玥,焦丹丹

The Response of Stomatal Conductance of Three Typical Shrubs to Environmental Change and Stomatal Regulation of Transpiration in an Arid Desert-oasis Ecotone
Fei GUO,Xibin JI,Bowen JIN,Liwen ZHAO,Wenyue ZHAO,Dandan JIAO
表5 蒸腾速率(Tr)与气孔导度(gs)和饱和水汽压差(VPD)的函数表达式及决定系数
Table 5 Fitting functions and determining coefficients of transpiration rate (Tr) and stomatal conductance (gs) and Vapor Pressure Deficit (VPD)
植物种类响应函数时间参数R2n
梭梭Tr=A1+A2gs+A3gs207:00 -12:00A1=-205.059,?A2=70.292,?A3=-1.3410.221*77
12:00 -19:00A1=-12.910,?A2=66.017,?A3=-0.0410.807*69
Tr=B1+B2VPD+B3VPD207:00 -12:00B1=0.038,?B2=0.709,?B3=0.3040.817*77
12:00 -19:00B1=0.273,?B2=-2.566,?B3=9.7640.662*69
泡泡刺Tr=A1+A2gs+A3gs207:00 -12:00A1=-175.314,?A2=67.639,?A3=0.1990.212*77
12:00 -19:00A1=-187.618,?A2=118.021,?A3=-2.1640.516*69
Tr=B1+B2VPD+B3VPD207:00 -12:00B1=-0.128,?B2=1.952,?B3=-0.4340.631*77
12:00 -19:00B1=0.123,?B2=-0.540,?B3=3.5600.724*69
沙拐枣Tr=A1+A2gs+A3gs207:00 -12:00A1=-130.829,?A2=67.239,?A3=-0.5530.231*77
12:00 -19:00A1=-185.118,?A2=115.605,?A3=-2.5130.680*69
Tr=B1+B2VPD+B3VPD207:00 -12:00B1=-0.165,?B2=2.530,?B3=-1.2610.654*77
12:00 -19:00B1=0.520,?B2=-5.718,?B3=21.2950.637*69