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Based on the runoff duration data of the basin in the past 50 years, the spatial-temporal evolution and ecological effects of hydrological variation in the Zuli River basin in arid and semi-arid region were studied by using cumulative anomaly analysis, M-K nonparametric mutation test, and runoff ecological index analysis with flow duration curve. The results show that since 1970, the surface runoff of the study basin was strongly affected by climate, and its runoff appeared sudden change in 1995. After studying the variation of runoff in the basin, the surface runoff decreased significantly, and the runoff in flood season and annual runoff decreased 36.9 million m3 and 32.12 million m3, respectively. After runoff variation, the ecological deficit in the study basin was obvious, and the annual proportion of runoff ecological indexes in non-flood season increased.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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