Matched combination of wetland plants having high capability of purifying sewage

Abstract

The invention discloses a matched combination of wetland plants having high capability of purifying sewage. Combinations having high capability of removing nitrogen and phosphorus in the sewage are as follows: water lily and thalia dealbata; water lily, common callalily, Zizania aquatica and calamus (S+M+J+C); water lily, thalia dealbata and iris (S+Z+Y); and water lily, thalia dealbata, calamus and Zizania aquatica (S+Z+C+J). Seven wetland plants different in ecotype are selected and combined and allocated together, so that 10 combinations are obtained. The matched combination aims to optimize aquatic plant arrangement and improve the cleaning effect for nitrogen and phosphorus in the sewage, thereby providing theoretical basis for building an artificial wetland and an artificial composite ecological bed, and for selecting and applying wetland plants in controlling water eutrophication. As a result, zero emission of sewage can be realized economically and efficiently, and reference and basis are provided for constructing beautiful ecological landscapes.

Description

technical field [0001] The invention is a combination of wetland plants with strong sewage purification ability. Background technique [0002] Aquatic plants refer to plants that grow in water or wet soil, mainly large herbaceous plants, including herbaceous and woody plants. In gardens, the classification of aquatic plants can be divided into emergent plants, floating leaf plants, floating leaf plants, submerged plants, marine plants and waterfront plants such as coastal humidity-resistant trees and shrubs according to their living habits and ecological environment. [0003] As the soul of a garden, waterscape is an indispensable and most attractive garden element in garden art. Gardens at all times and in all over the world have attached great importance to the use of water bodies. Especially in traditional Chinese gardens, it is almost "no garden without water". The aquatic ornamental plants can break the emptiness and silence of the water surface and make the watersca...

AI Technical Summary

Problems solved by technology

(1) Uniformity. Generally speaking, the types of aquatic plants currently used are relatively single, the diversity is insufficient, and the collocation of aquatic plants is also relatively single. The configuration lacks a sense of hierarchy, and different types of aquatic plants have not been fully utilized to enhance the water landscape. Aesthetics and improve the purification ability of water bodies

(2) Invasiveness. Some aquatic plants such as water hyacinth and quail are highly invasive and easily seize the living space of other species, seriously threatening the normal survival of local species and greatly destroying the balance of the local aquatic ecosystem.

(3) Rationality. At present, the configuration of aquatic plants is one-sidedly pursuing artistic aesthetic effects, and often neglects to consider whether the collocation between plants is reasonable from the perspectives of plant community ecology and micro ecology. Therefore, whether the configuration of aquatic plants is scientific Rationality is also one of the issues worth considering