青藏高原东部高寒草甸54种禾本科植物种子的萌发特性

卜海燕, 任青吉, 徐秀丽, 刘坤, 贾鹏, 文淑均, 孙大帅, 杜国祯

SEED GERMINATING CHARACTERISTICS OF 54 GRAMINEOUS SPECIES IN THE ALPINE MEADOW ON THE EASTERN QINGHAI-TIBETAN PLATEAU

BU Hai-Yan, REN Qing-Ji, XU Xiu-Li, LIU Kun, JIA Peng, WEN Shu-Jun, SUN Da-Shuai, Du Guo-Zhen

图3 54种高寒草甸禾本科植物的分层聚类树状图 本图是通过对各个物种萌发特性(萌发百分率,萌发开始时间,萌发持续时间和达到50%萌发百分率的时间)进行欧氏平方距离计算得来的 序号同表1

Fig.3 Cluster diagram of 54 gramineous plants Tree was computed from the nearest neighbor clustering using Squared Euclidean Distance between species based on four germination characteristics, percent germination, days to first germination, germination period and days to 50% germination The number of plant species see Table 1