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The ecological role of aquatic plants
Release time:
2021-07-15 00:00
Source:
In the rapidly developing modern society, with the further expansion of urbanization, the ecological environment of water bodies has been severely damaged, threatening human survival. It is particularly important to purify and restore polluted water bodies today, and aquatic plants can play this role effectively.
According to the lifestyle of aquatic plants, they are generally divided into the following categories: emergent plants, floating-leaved plants, submerged plants, and free-floating plants. The diversity of aquatic plants allows them to purify water quality from different levels and spaces.
Now let's talk about the ecological functions of aquatic plants:
1. Preserving biodiversity
Aquatic plant communities provide food sources and habitats for hydrophilic water birds, insects, and other wildlife. The interactions and cycles between aquatic organisms and non-biological substances make water bodies vibrant aquatic ecosystems, thus preserving the biodiversity of aquatic environments.
2. Purifying water quality
During photosynthesis, aquatic plants can absorb carbon dioxide from the environment and release oxygen. While fixing carbon and releasing oxygen, aquatic plants also absorb many harmful elements in the water, such as nitrogen, phosphorus, heavy metals, and organic pollutants, thereby eliminating pollution, purifying water quality, improving water quality, and restoring the ecological functions of water bodies.
3. Beautifying water scenery
Aquatic plants, with their graceful posture, beautiful lines, and vibrant colors, adorn various water surfaces and shores, easily creating beautiful reflections in the water, thus having a strong landscaping function. Aquatic plants have always been one of the important materials for constructing water scenery. Sceneries like the wind blowing through the reeds and the moon shining on the lotus pond evoke beautiful imaginations; while spots like the fragrant lotus by the winding water and the willows whispering with orioles are famous for their landscaping with aquatic plants.
4. Stabilizing slopes and protecting banks
The growth and spread of aquatic plants increase the organic matter content in the soil, enhance the soil's water retention capacity, and improve the structure and performance of the soil. Additionally, aquatic plants planted at the water-land interface have developed root systems with strong binding power, which can reduce surface runoff and prevent water erosion and scouring.
For different life forms of aquatic plants, it is generally believed that floating plants have a stronger absorption capacity than emergent plants, while submerged plants are the weakest. Utilizing aquatic plants to purify, absorb, and decompose pollutants in polluted water bodies, and adapting to different polluted water bodies through various aquatic plants and combinations, can effectively purify polluted water bodies and maintain water purity, with stable purification effects. Therefore, in wastewater purification and restoration, different combinations of microorganisms can be used to achieve the goal.
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