1963—2018年中国垂柳和榆树开花始期积温需求的时空变化
陶泽兴1(
), 葛全胜1,2, 王焕炯1()
), 葛全胜1,2, 王焕炯1()
Spatio-temporal variations in the thermal requirement of the first flowering dates of Salix babylonica and Ulmus pumila in China during 1963-2018
TAO Zexing1(), GE Quansheng1,2, WANG Huanjiong1()
), GE Quansheng1,2, WANG Huanjiong1()
图7. 不同时段开花始期积温需求(GDD算法)与冷激日数的关系
Fig. 7. Relationship between thermal requirements (based on the GDD method) of the first flowering date and chilling days in different periods
