Sinking type river channel wetland system for river channel ecological restoration and construction method thereof
An ecological restoration and river channel technology, applied in chemical instruments and methods, sustainable biological treatment, biological water/sewage treatment, etc., can solve the problems such as the failure to restore the ecological function of the river and the unutilized urban river channel, and achieve the engineering volume. Small, easy-to-build effects
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[0032] The present invention will be described in further detail below in conjunction with specific embodiments.
[0033] 1. A sunken river wetland system for river ecological restoration , including a river channel, which is alternately arranged as a pebble shoal area 1 and a sunken planting area 2 along the water flow direction; pebbles are laid in the river bed of the pebble shoal area 1 to form a pebble layer 11 for slowing down the water flow velocity and serving as biofilm matrix and build pebble landscape; the river bed of the sunken planting area 2 is lower than the river bed of the pebble shoal area 1, and there are submerged plants 21 with water purification function planted on the river bed of the sunken planting area 2 , so that the sunken planting area 2 simultaneously constitutes an ecological landscape area.
[0034] The pebble shoal area 1 can be used as a landscape for pebble observation, and can also slow down the speed of water flow during the flood season...
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