气候波动对西安39种木本植物展叶始期及其积温需求的影响
王焕炯(
),陶泽兴,葛全胜
),陶泽兴,葛全胜
Effects of climate variation on the first leaf dates of 39 woody species and their thermal requirements in Xi’an, China
WANG Huan-Jiong(),TAO Ze-Xing,GE Quan-Sheng
),TAO Ze-Xing,GE Quan-Sheng
图4. 不同算法计算得到的西安39种木本植物展叶始期积温需求对比。A, 算法1与算法2。B, 算法1与算法3。黑点表示各物种在正常年的积温需求。算法同
Fig. 4. Comparisons among different methods for calculating thermal requirements for the first leaf date (FLD) of 39 woody species in Xi?an. A, method 1 vs. method 2. B, method 1 vs. method 3. Black circles represent the mean thermal requirement in normal years for each species. See
