末次盛冰期以来观光木的潜在地理分布变迁

胡菀,张志勇,陈陆丹,彭焱松,汪旭

Changes in potential geographical distribution of Tsoongiodendron odorum since the Last Glacial Maximum

HU Wan,ZHANG Zhi-Yong,CHEN Lu-Dan,PENG Yan-Song,WANG Xu

表1 观光木分布预测使用的气候变量及其重要性参数

Table 1 Environmental variables and their importance parameters used in distribution predicting of Tsoongiodendron odorum

气候变量 Variable 描述 Description PC (%) PI (%) RTGW RTGO TGW TGO AUCW AUCO bio01 年平均气温 Annual mean temperature 7.3 17.2 2.051 3 1.788 7 2.117 3 1.900 8 0.956 3 0.945 7 bio02 昼夜温差月均值 Mean diurnal range 0.3 0.3 2.075 3 1.358 2 2.129 2 1.445 2 0.956 6 0.899 9 bio03 等温性 Isothermality 7.7 9.7 2.003 0 0.176 0 2.098 3 0.173 3 0.955 0 0.660 6 bio07 年平均气温变化范围 Temperature annual range 2.8 25.7 2.054 8 1.409 5 2.105 1 1.503 7 0.955 4 0.904 9 bio10 最暖季平均气温 Mean temperature of warmest quarter 1.2 2.7 2.072 1 1.046 4 2.131 3 1.128 5 0.956 8 0.876 8 bio12 年降水量 Annual precipitation 55.2 40.2 2.041 5 1.744 2 2.103 7 1.852 4 0.955 5 0.942 2 bio17 最干季降水量 Precipitation of driest quarter 25 2.4 2.065 4 1.452 0 2.109 3 1.512 8 0.955 8 0.911 2 bio18 最暖季降水量 Precipitation of warmest quarter 0.7 1.9 2.061 3 1.463 5 2.128 3 1.590 2 0.957 0 0.922 9