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Focusing on the influence of the project of water diversion from Yangtze River to Taihu Lake on the hydrodynamic characteristics of Gonghu Bay, the physical model of the wind-driven currents in Taihu Lake was used to analyze the influence on the hydrodynamic characteristics and the vertical flow velocity and planar circulation distribution in Gonghu Bay under the different wind speeds and different diversion flow of Wangyu River in the typical wind field in summer. The results indicate that the variation of Wangyu River diversion flow affects the hydrodynamic characteristics of Gonghu Bay mainly in the near and middle regions, but has little impact on Taihu Lake; The implementation of the water diversion project from Yangtze River to Taihu Lake significantly changes the vertical velocity distribution characteristics on the outlet axis of Wangyu River in the near and middle regions, but has no effect on the vertical velocity distribution characteristics at the junction section; The characteristics of the planar circulation in Gonghu Bay are affected by both wind speed and diversion flow, the changes of wind speed and diversion flow have a significant impact on the area, location and shape of the plane circulation. The research results can provide hydrodynamic theoretical support for evaluating the impact of the water diversion project from Yangtze River to Taihu Lake on the water environment of Gonghu Bay.
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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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