Biodiv Sci ›› 2023, Vol. 31 ›› Issue (3): 22118. DOI: 10.17520/biods.2022118
• Original Papers: Plant Diversity • Next Articles
Xinyang Zhou, Yutao Wang, Jianping Li()
Received:
2022-03-18
Accepted:
2022-08-21
Online:
2023-03-20
Published:
2022-09-21
Contact:
Jianping Li
Xinyang Zhou, Yutao Wang, Jianping Li. Response of plant community composition to precipitation changes in typical grasslands in the Loess Plateau[J]. Biodiv Sci, 2023, 31(3): 22118.
Fig. 1 Effects of different precipitation gradients, 50% (PR), 100% (CK), and 150% (PI) of natural precipitation, on soil moisture in a 20-year enclosure grassland in the Loess Plateau.
Fig. 2 Effects of different precipitation gradients, i.e. 50% (PR), 100% (CK), and 150% (PI) of natural precipitation, on plant biomass in a 20-year enclosure grassland in the Loess Plateau. Total biomass = aboveground biomass + underground biomass.
处理方法 Treatment method | 物种丰富度 Species richness | Shannon-Wiener指数 Shannon-Wiener index | Pielou指数 Pielou index | Simpson指数 Simpson index | ||||
---|---|---|---|---|---|---|---|---|
F | P | F | P | F | P | F | P | |
降水变化 Precipitation change | 9.267 | 0.015 | 9.322 | 0.014 | 3.596 | 0.094 | 12.191 | 0.008 |
Table 1 Difference analysis of precipitation on plant community diversity index in a 20-year enclosure grassland in the Loess Plateau
处理方法 Treatment method | 物种丰富度 Species richness | Shannon-Wiener指数 Shannon-Wiener index | Pielou指数 Pielou index | Simpson指数 Simpson index | ||||
---|---|---|---|---|---|---|---|---|
F | P | F | P | F | P | F | P | |
降水变化 Precipitation change | 9.267 | 0.015 | 9.322 | 0.014 | 3.596 | 0.094 | 12.191 | 0.008 |
Fig. 3 Effects of different precipitation gradients, 50% (PR), 100% (CK), and 150% (PI) of natural precipitation, on importance values in a 20-year enclosure grassland in the Loess Plateau.
Fig. 4 The effect of different precipitation gradients, 50% (PR), 100% (CK), and 150% (PI) of natural precipitation, on diversity indices in a 20-year enclosure grassland in the Loess Plateau.
Fig. 5 Effects of different precipitation gradients, 50% (PR), 100% (CK), and 150% (PI) of natural precipitation, on dominant plant biomass in a 20-year enclosure grassland in the Loess Plateau.
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