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青藏高原东北部不同降水梯度下高山林线祁连圆柏径向生长与气候关系的比较
宋文琦1,朱良军1,张旭1,王晓春1,*(),张远东2,*()
Comparison of growth-climate relationship of Sabina przewalskii at different timberlines along a precipitation gradient in the northeast Qinghai-Xizang Plateau, China
SONG Wen-Qi1,ZHU Liang-Jun1,ZHANG Xu1,WANG Xiao-Chun1,*(),ZHANG Yuan-Dong2,*()

图5. 沿降水梯度祁连圆柏径向生长与不同气温、不同降水年季节气候因子的相关性。红色表示正值; 蓝色表示负值; 底色阴影为显著相关(p < 0.05); GHT, 生长季高温年; GLT, 生长季低温年; PHT, 生长季前高温年; PLT, 生长季前低温年。GD, 生长季干旱年; GW, 生长季湿润年; PD, 生长季前干旱年; PW, 生长季前湿润年。

Fig. 5. Correlation coefficients between the radial growth of Qilian juniper and seasonal climate data in different temperature and precipitation years along the precipitation gradient. The red rectangles denote the positive value. The blue rectangles denote the negative value. The shaded background denotes significance at p < 0.05 level of Pearson correlation. GHT, year of growing-season high temperature; GLT, year of growing-season low temperature; PHT, year of pre-season high temperature; PLT, year of pre-season low temperature. GD, year of drought growing season; GW, year of wet growing season; PD, year of drought pre-season; PW, year of wet pre-season. HB, Hebei Forest Farm; HL, Halihatu National Forest Park; QS, Qushigang.