Method for building ecological slope protection by reasonably mixing and matching spiral shells with water plants
2013
The invention discloses a method for building an ecological slope protection by reasonably mixing and matching spiral shells with water plants. The method includes the steps: sequentially building an emergent plant area, an emergent plant and submerged plant mixing area and a submerged plant area on a water and land staggered zone between a bank and a water body, and setting grooves for growth of the plants and the spiral shells on the three areas; planting emergent plants in grooves in the emergent plant area, planting emergent plants and submerged plants in grooves in the emergent plant and submerged plant mixing area at intervals, and planting the submerged plants in grooves in the submerged plant area; throwing the spiral shells into the grooves in the three areas. By the method, the content of nitrogen and phosphorous in the water body can be effectively reduced, organic substrates in mud and sand are changed into inorganic salt, the shading effect of attaching organisms for the submerged plants is decreased, deciduous old leaves of the plants are decomposed, excessive release of nutritive salt after the old leaves are decayed is avoided, the content of phytoplankton in water can be reduced by the spiral shells, and excrements of the spiral shells can facilitate growth of the water plants.
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