巴音布鲁克高寒草甸植物功能多样性与生态系统多功能性关系沿海拔梯度的变化

吕自立, 刘彬, 常凤, 马紫荆, 曹秋梅

Relationship between plant functional diversity and ecosystem multifunctionality in Bayanbulak alpine meadow along an altitude gradient

LÜ Zi-Li, LIU Bin, CHANG Feng, MA Zi-Jing, CAO Qiu-Mei

表2 巴音布鲁克高寒草甸不同海拔样地植物群落优势种组成

Table 2 Composition of dominant species of plant community in Bayanbulak alpine meadow at different altitudes

海拔 Altitude (m)	物种丰富度 (平均值±标准差) Specie richness (mean ± SD)	优势种(重要值) Dominant species (importance value)
2 200	15.00 ± 2.00^a	薹草 Carex sp. (0.212 5)
2 200	15.00 ± 2.00^a	线叶嵩草 Kobresia capillifolia (0.187 5)
2 400	14.49 ± 2.33^ab	丘陵老鹳草 Geranium collinum (0.212 2)
2 400	14.49 ± 2.33^ab	线叶嵩草 Kobresia capillifolia (0.186 3)
2 600	16.13 ± 3.14^ab	线叶嵩草 Kobresia capillifolia (0.251 6)
2 600	16.13 ± 3.14^ab	薹草 Carex sp. (0.145 8)
2 800	15.17 ± 1.47^a	珠芽蓼 Polygonum viviparum (0.276 5)
2 800	15.17 ± 1.47^a	针茅 Stipa sp. (0.266 0)
3 000	12.25 ± 2.87^b	珠芽蓼 Polygonum viviparum (0.349 0)
3 000	12.25 ± 2.87^b	丘陵老鹳草 Geranium collinum (0.188 1)