增温对东北温带次生林草本群落季节动态的影响

陈哲涵, 尹进, 叶吉, 刘冬伟, 毛子昆, 房帅, 蔺菲, 王绪高

Effects of simulated warming on seasonal dynamics of herbaceous diversity in temperate secondary forests in Northeast China

Zhehan Chen, Jin Yin, Ji Ye, Dongwei Liu, Zikun Mao, Shuai Fang, Fei Lin, Xugao Wang

表2 增温对东北温带次生林草本层群落多度和盖度及4个年优势种多度和盖度影响的单因素方差分析结果

Table 2 Result of one-way analysis of variance on effects of warming on abundance and coverage of herbaceous layer in temperate secondary forest in Northeast China and four annual dominant species

物种 Species 季节 Season 多度 Abundance 盖度 Coverage 2021 2022 2021 2022 df F P df F P df F P df F P 白花碎米荠 Cardamine leucantha 春季 Spring 1,41 2.862 0.099 1,42 1.563 0.219 1,41 0.793 0.395 1,42 1.138 0.292 夏季 Summer 1,41 3.431 0.071 1,43 0.251 0.624 1,41 4.691 0.036 1,43 0.929 0.342 秋季 Autumn 1,36 0.148 0.702 1,23 2.392 0.136 1,36 0.002 0.96 1,23 4.535 0.044 荷青花 Hylomecon japonica 春季 Spring 1,40 0.753 0.391 1,42 0.498 0.482 1,40 3.436 0.039 1,42 0.645 0.069 夏季 Summer 1,20 1.459 0.241 1,30 0.321 0.575 1,20 4.624 0.044 1,30 3.165 0.478 秋季 Autumn - - - 1,15 0.801 0.386 - - - 1,15 0.749 0.558 龙头草 Meehania henryi 春季 Spring 1,45 8.001 0.015 1,46 11.424 0.001 1,45 3.056 0.162 1,46 5.006 0.046 夏季 Summer 1,48 9.879 0.003 1,45 5.748 0.041 1,48 5.124 0.028 1,45 6.856 0.006 秋季 Autumn 1,48 9.272 0.004 1,33 0.571 0.456 1,48 3.58 0.065 1,33 0.002 0.968 山茄子 Brachybotrys paridiformis 春季 Spring 1,24 8.333 0.001 1,31 5.084 0.015 1,24 8.219 0.0001 1,31 4.709 0.038 夏季 Summer 1,30 3.032 0.092 1,31 4.701 0.001 1,30 0.733 0.399 1,31 3.251 < 0.001 秋季 Autumn 1,29 13.601 < 0.001 1,25 4.742 0.004 1,29 9.747 0.001 1,25 2.634 0.117 群落 Community 春季 Spring 1,52 0.054 0.729 1,52 0.009 0.836 1,52 3.006 0.071 1,52 1.668 0.459 夏季 Summer 1,52 2.397 0.128 1,52 0.629 0.401 1,52 0.054 0.817 1,52 0.005 0.696 秋季 Autumn 1,52 1.664 0.203 1,52 0.867 0.545 1,52 1.134 0.301 1,52 1.981 0.11