干旱沙区土壤结皮发育对草本植物土壤种子库的影响

陶海璇, 郭春秀, 马俊梅, 王忠文, 赵赫然, 宋达成, 何芳兰

Influences of soil crust development on soil seed bank of herbaceous plants in arid desert area

Haixuan Tao, Chunxiu Guo, Junmei Ma, Zhongwen Wang, Heran Zhao, Dacheng Song, Fanglan He

表4 土壤结皮发育对土壤种子库物种多样性的影响

Table 4 Influences of soil crust developments on soil seed bank diversity

样地阶段	D_ma	D_sim	H′	J_sw
结皮前期NCS	1.76±0.07^b	0.77±0.02^c	1.66±0.07^c	0.77±0.01^b
物理-藻类结皮PACS	2.13±0.08^a	0.83±0.01^a	2.03±0.05^a	0.78±0.01^b
藻类-地衣结皮ALCS	1.99±0.07^a	0.84±0.01^a	2.05±0.04^a	0.80±0.00^a
地衣结皮LCS	1.65±0.08^b	0.80±0.01^b	1.91±0.06^b	0.78±0.01^b
地衣-藓类结皮LMCS	1.51±0.05^c	0.76±0.02^c	1.74±0.09^c	0.77±0.01^b
藓类结皮MCS	1.42±0.05^d	0.62±0.03^d	1.37±0.08^d	0.66±0.03^c