干旱河谷微生境变化对乡土植物幼苗定植的影响

胡慧, 杨雨, 包维楷, 刘鑫, 李芳兰

Effects of microhabitat changes on seedling establishment of native plants in a dry valley

HU Hui, YANG Yu, BAO Wei-Kai, LIU Xin, LI Fang-Lan

表2 干旱河谷道路边坡不同乡土植物种子发芽率、萌发率和幼苗保存率(平均值±标准误差)

Table 2 Seed germination rate, seedling emergence and seedling survival rate (means ± SE) of different native plants on roadside slope of the dry valley studied

生活型 Life form	物种 Species	种子发芽率 Seed germination rate (%)	出苗率 Seedling emergence rate (%)	保存率 Seedling survival rate (%)
草本和半灌木 Herb and semi-shrub	早熟禾 Poa annua	61.6 ± 5.5^a	56.8 ± 12.40^a	-
	狗尾草 Setaria viridis	72.3 ± 12.6^ab	68.2 ± 8.11^a	-
	毛莲蒿 Artemisia vestit	80.2 ± 9.1^b	23.9 ± 6.52^b	-
灌木 Shrub	白刺花 Sophora davidii	61.2 ± 5.4^a	43.8 ± 5.49^a	77.0 ± 6.2^a
	鞍叶羊蹄甲 Bauhinia brachycarpa	98.0 ± 0.3^b	68.1 ± 9.53^a	75.7 ± 7.5^a
	四川黄栌 Cotinus szechuanensis	34.6 ± 2.6^c	10.3 ± 2.34^b	79.9 ± 8.2^a
	小叶杭子梢 Campylotropis wilsonii	76.7 ± 3.8^ab	58.5 ± 13.20^a	76.4 ± 5.5^a