River channel ecological restoration method based on demand of aquatic organisms for hydrological conditions
A technology for ecological restoration and aquatic organisms, applied in botany equipment and methods, water conservancy engineering, plant cultivation, etc., can solve unsatisfactory restoration effects, lack of quantitative understanding of ecological restoration boundary conditions, little consideration of hydrological and habitat conditions of aquatic organisms To achieve the effect of increasing the diversity of habitats, improving the natural landscape, and increasing the diversity of flow regimes
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[0048] Inventors such as Liu Xueqin of the Institute of Hydrobiology, Chinese Academy of Sciences carried out ecological restoration of a certain plain river channel A according to the plan, and the specific process is as follows:
[0049] (1) Investigate and survey the current status of the river: determine the shape of the river, the average water depth of the river, the bottom quality, the average water level, the lowest water level, the highest water level of the river in the past 2-5 years, and the average water level of the spring plant germination period.
[0050] Plain channel A: After investigation and survey of the channel, it was found that the channel is a straight channel with a width of 40m, an average water depth of 1.5m during the investigation period, the bottom is silt, and the shoreline is a hardened artificial embankment.
[0051] The average water level of the river is 19.5m for many years, the lowest water level is 18.0m, and the highest water level is 22....
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