三星堆遗址城墙不同维护措施下草本植物物种多样性与土壤抗冲性的关系

钟欣艺, 赵凡, 姚雪, 吴雨茹, 许银, 鱼舜尧, 林静芸, 郝建锋

Relationship between herbaceous plant diversity and soil anti-scourability under different maintenance measures at Sanxingdui City Wall

Xinyi Zhong, Fan Zhao, Xue Yao, Yuru Wu, Yin Xu, Shunyao Yu, Jingyun Lin, Jianfeng Hao

表1 三星堆遗址城墙不同维护措施下土壤抗冲系数及细根指标。不同小写字母表示差异显著(P < 0.05)。

Table 1 Soil anti-scourability coefficient and fine root index under different maintenance measures at Sanxingdui City Wall. Different small letters mean significant difference at the 0.05 level.

	抗冲系数 Anti-scourability coefficient (L/g)	根表面积密度 Root surface area density (cm²/cm³)	根长密度 Root length density (cm/cm³)	根体积密度 Root volume density (cm³/cm³)	平均根径 Average root diameter (mm)	分叉数 Root forks
自然更新样地 Natural regeneration plots	118.31 ± 10.94^ab	0.1577 ± 0.0183^c	0.6448 ± 0.0139^b	0.0049 ± 0.0005^b	1.19 ± 0.11^b	1,238 ± 185^b
种植样地 Planting plots	18.81 ± 2.09^c	0.2350 ± 0.0119^b	0.3706 ± 0.0230^c	0.0074 ± 0.0005^b	1.20 ± 0.04^b	583 ± 98^c
弃耕样地 Abandoned field plots	22.11 ± 2.41^c	0.0749 ± 0.0116^d	0.4168 ± 0.0866^c	0.0017 ± 0.0002^c	0.73 ± 0.06^c	394 ± 80^c
灌木去除样地 Shrub removal plots	138.86 ± 13.03^a	0.4055 ± 0.0369^a	0.8659 ± 0.0490^ab	0.0164 ± 0.002^a	1.63 ± 0.15^a	1,793 ± 129^a
修剪样地 Pruning plots	99.26 ± 0.72^b	0.2304 ± 0.0158^b	0.7745 ± 0.0386^ab	0.0051 ± 0.0005^b	0.91 ± 0.04^bc	1,592 ± 65^ab