CN113756253A - Ecological environment three-dimensional optimization lifting method for river wetland - Google Patents
Ecological environment three-dimensional optimization lifting method for river wetland Download PDFInfo
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- CN113756253A CN113756253A CN202111050196.1A CN202111050196A CN113756253A CN 113756253 A CN113756253 A CN 113756253A CN 202111050196 A CN202111050196 A CN 202111050196A CN 113756253 A CN113756253 A CN 113756253A
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- A—HUMAN NECESSITIES
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- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01K61/51—Culture of aquatic animals of shellfish of gastropods, e.g. abalones or turban snails
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A—HUMAN NECESSITIES
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- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a method for three-dimensional optimization and promotion of ecological environment of a river wetland, which comprises the following steps: in the river channel wetland, an artificial dam is arranged in the river channel along the water flow direction to form a water level drop, a main water channel is set into a zigzag serpentine water channel, and a plurality of latticed water channels are drained; setting an ecological grass ditch in the water channel, forming biological diversity in the wetland, putting benthic mollusks at the bottom of the wetland, putting fishes and shrimps in a water area, and introducing various birds into the wetland to form a diverse biological group; an ecological plant zone is formed on the river bank, and submerged plants are planted at the water bottom to strengthen and purify the water quality. The artificial dam of the invention forms a fall to the water level, improves the decomposition and purification level of the microorganisms in the area to the water quality, the snakelike water channel enlarges the area of the water flow in the wetland, improves the purification effect of the wetland to the water quality, constructs biological diversity to realize the three-dimensional ecological restoration of the wetland, and improves the purification capability of the wetland and the water ecological function of the river wetland.
Description
Technical Field
The invention relates to the technical field of water ecological management, in particular to a method for three-dimensional optimization and promotion of ecological environment of a river wetland.
Background
The process of river wetland alteration is accompanied by erosion, transport and sedimentation processes dominated by the action of flowing water. In a river system, the main external forces acting on the bed boundary are water and sand flows. The interaction of the water and sand flow and the riverbed boundary generates the riverbed wetland with different shapes and colors, wherein the movement of the sediment particles in the water and sand flow plays a role of a medium, and the change of the riverbed wetland is not only influenced by the movement of a geological structure, but also related to the scouring of the sediment at the boundary and the falling and silting of the sediment in a riverway, and is also related to artificial activities and the application of various excreta.
As the artificial interference is damaged, the self-cleaning function of the river is poor and even lost, various measures such as dredging, riverway aquatic plants, river bank vegetation recovery and the like are commonly adopted at home and abroad in the treatment of the river entering the lake, but the in-situ treatment measures on the riverway are limited by space, so the improvement degree of the water quality is extremely limited. It is urgently needed to provide a method for three-dimensional optimization and promotion of ecological environment of river wetland.
Disclosure of Invention
Aiming at the problems, the invention provides a method for three-dimensional optimization and promotion of the ecological environment of a river wetland.
According to the purpose of the invention, the invention provides the following technical scheme:
a river wetland ecological environment three-dimensional optimization lifting method comprises the following steps:
step 1, setting up artificial aeration zone
Arranging artificial dams in the river channel along the water flow direction in the river channel wetland to form a water level difference, forming an artificial aeration area and increasing the aeration rate of the wetland water;
step 2, establishing a snakelike water flow circuit
The main water channel is set into a zigzag serpentine water channel, so that water flow passing through the aeration area can be relatively long remained in the wetland, and the water is purified through the self-purification capacity of the wetland;
step 3, latticed water channel
On the basis of the main water channel, a plurality of latticed water channels are drained, and the latticed water channels come out of the main water channel and finally converge to the main water channel so as to improve the water area of water flow in the wetland;
step 4, adding an ecological grass ditch
An ecological grass ditch is arranged in the water channel, so that the impact of water flow on the water channel is relieved, and the water quality purification capacity is improved;
step 5, biodiversity construction
Forming biological diversity in the wetland, putting benthic mollusks at the bottom of the wetland, putting fishes and shrimps in a water area, and introducing various birds into the wetland to form a diversified biological group;
step 6, river bank ecological zone
An ecological plant zone is formed on the river bank, wetland plants for fixing sand and purifying water quality are planted, and submerged plant fields are planted at the bottom of the river to strengthen the water quality purification.
Further, the artificial dam is an annular dam, and an aeration zone is formed in the center of the annular dam.
Further, the number of the artificial dikes is one or more, and the artificial dikes are arranged along the water flow direction.
Furthermore, an interception net for intercepting the solid garbage is arranged in front of the artificial dam.
Further, the intercepting net is an ecological gabion which is formed by stacking volcanic rocks, pebbles or stone blocks.
Furthermore, the ecological grass ditches are additionally arranged in the main water channel and the latticed water channel.
Furthermore, the artificial dam is formed by stacking pebbles or block stones.
Further, the wetland plants comprise one or more of loosestrife, canna aquatica, saxifrage, drooping grass, religious flower and phyllostachys bambusoides.
Further, the submerged plant is one or more of eel grass, waterweed and goldfish algae.
Further, the benthonic mollusk is one or more of periwinkle, marsh snail, culvert snail, mussel and river crab.
The invention has the beneficial effects that:
according to the invention, the artificial dam forms a fall to the water level, so that the aeration effect is improved, the decomposition and purification level of regional microorganisms to water quality is improved, the serpentine water channel enlarges the area of water flow in the wetland, the purification effect of the wetland to the water quality is improved, the area of the wetland is increased, and the function of the wetland is improved; the ecological gabion is used for intercepting and purifying solid pollutants entering a river, the three-dimensional ecological restoration of the wetland is realized by constructing biological diversity, the purification capacity of the wetland is improved, and the water ecological function of the river wetland is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A river wetland ecological environment three-dimensional optimization lifting method comprises the following steps:
step 1, setting up artificial aeration zone
Arranging an artificial dam in the river course along the water flow direction in the river course wetland to form a water level drop, forming an artificial aeration area and increasing the aeration rate of the wetland water; the artificial dam is formed by stacking pebbles or rock blocks, the artificial dam is an annular dam, and an aeration zone is formed in the center of the annular dam.
An interception net for intercepting solid garbage is arranged in front of the artificial dam, and the interception net is an ecological gabion which is built by volcanic rocks, pebbles or stone blocks.
Step 2, establishing a snakelike water flow circuit
The main water channel is set into a zigzag serpentine water channel, so that water flow passing through the aeration area can be relatively long remained in the wetland, and the water is purified through the self-purification capacity of the wetland;
step 3, latticed water channel
On the basis of the main water channel, a plurality of latticed water channels are drained, and the latticed water channels come out of the main water channel and finally converge to the main water channel so as to improve the water area of water flow in the wetland;
step 4, adding an ecological grass ditch
Ecological grass ditches are arranged in the water channel, and are additionally arranged in the main water channel and the latticed water channel, so that the impact of water flow on the water channel is relieved, and the water quality purification capacity is improved;
step 5, biodiversity construction
Forming biological diversity in the wetland, putting benthic mollusks at the bottom of the wetland, putting fishes and shrimps in a water area, and introducing various birds into the wetland to form a diversified biological group; the benthic mollusk is one or more of crinum conch, Marina snail, culvert snail, freshwater mussel and river crab.
Step 6, river bank ecological zone
Forming an ecological plant zone on the river bank, planting wetland plants for fixing sand and purifying water quality, wherein the wetland plants comprise one or more of loosestrife, canna aquatica, saxifrage, drooping bevel, Thalia dealbata and Huayesheng bamboo.
Example 2
A river wetland ecological environment three-dimensional optimization lifting method comprises the following steps:
step 1, setting up artificial aeration zone
In the river channel wetland, a plurality of artificial dams are arranged in the river channel along the water flow direction, the artificial dams are arranged along the water flow direction to form a water level drop, an artificial aeration area is formed, and the aeration rate of wetland water is increased; the artificial dam is formed by stacking pebbles or rock blocks, the artificial dam is an annular dam, and an aeration zone is formed in the center of the annular dam.
An interception net for intercepting solid garbage is arranged in front of the artificial dam, and the interception net is an ecological gabion which is built by volcanic rocks, pebbles or stone blocks.
Step 2, establishing a snakelike water flow circuit
The main water channel is set into a zigzag serpentine water channel, so that water flow passing through the aeration area can be relatively long remained in the wetland, and the water is purified through the self-purification capacity of the wetland;
step 3, latticed water channel
On the basis of the main water channel, a plurality of latticed water channels are drained, and the latticed water channels come out of the main water channel and finally converge to the main water channel so as to improve the water area of water flow in the wetland;
step 4, adding an ecological grass ditch
Ecological grass ditches are arranged in the water channel, and are additionally arranged in the main water channel and the latticed water channel, so that the impact of water flow on the water channel is relieved, and the water quality purification capacity is improved;
step 5, biodiversity construction
Forming biological diversity in the wetland, putting benthic mollusks at the bottom of the wetland, putting fishes and shrimps in a water area, and introducing various birds into the wetland to form a diversified biological group; the benthic mollusk is one or more of Argopsis crinis, Marina, culvert snail, freshwater mussel and river crab.
Step 6, river bank ecological zone
Forming an ecological plant zone on the river bank, planting wetland plants for fixing sand and purifying water quality, wherein the wetland plants comprise a plurality of lythrata, canna aquatica, saxifrage, drooping bevel, thalictrum ramosissimum and phyllostachys bambusoides.
The water quality is enhanced and purified by planting submerged plants at the bottom, wherein the submerged plants are various of eel grass, waterweed and golden fish algae.
According to the invention, the artificial dam forms a fall to the water level, so that the aeration effect is improved, the decomposition and purification level of regional microorganisms to water quality is improved, the serpentine water channel enlarges the area of water flow in the wetland, the purification effect of the wetland to the water quality is improved, the area of the wetland is increased, and the function of the wetland is improved; the ecological gabion is used for intercepting and purifying solid pollutants entering a river, the three-dimensional ecological restoration of the wetland is realized by constructing biological diversity, the purification capacity of the wetland is improved, and the water ecological function of the river wetland is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The ecological environment three-dimensional optimization lifting method for the river wetland is characterized by comprising the following steps of:
step 1, setting up artificial aeration zone
Arranging artificial dams in the river channel along the water flow direction in the river channel wetland to form a water level difference, forming an artificial aeration area and increasing the aeration rate of the wetland water;
step 2, establishing a snakelike water flow circuit
The main water channel is set into a zigzag serpentine water channel, so that water flow passing through the aeration area can be relatively long remained in the wetland, and the water is purified through the self-purification capacity of the wetland;
step 3, latticed water channel
On the basis of the main water channel, a plurality of latticed water channels are drained, and the latticed water channels come out of the main water channel and finally converge to the main water channel so as to improve the water area of water flow in the wetland;
step 4, adding an ecological grass ditch
An ecological grass ditch is arranged in the water channel, so that the impact of water flow on the water channel is relieved, and the water quality purification capacity is improved;
step 5, biodiversity construction
Forming biological diversity in the wetland, putting benthic mollusks at the bottom of the wetland, putting fishes and shrimps in a water area, and introducing various birds into the wetland to form a diversified biological group;
step 6, river bank ecological zone
An ecological plant zone is formed on the river bank, wetland plants for fixing sand and purifying water quality are planted, and submerged plant fields are planted at the bottom of the river to strengthen the water quality purification.
2. The method for three-dimensionally optimizing and elevating an ecological environment of a river wetland according to claim 1, wherein the artificial dike is a ring dike, and an aeration zone is formed at a central position of the ring dike.
3. The method for three-dimensionally optimizing and lifting an ecological environment of a river wetland according to claim 1, wherein the number of the artificial dams is one or more, and the artificial dams are arranged along a water flow direction.
4. The method for three-dimensionally optimizing and improving the ecological environment of a river wetland according to claim 1, wherein an intercepting net for intercepting solid waste is provided in front of the artificial dam.
5. The method for three-dimensionally optimizing and lifting the ecological environment of the river wetland according to claim 1, wherein the intercepting net is an ecological gabion, and the ecological gabion is built by stacking volcanic rocks, pebbles or stone blocks.
6. The method for three-dimensionally optimizing and improving the ecological environment of a river wetland according to claim 1, wherein the ecological grass ditches are additionally arranged in the main water channel and the latticed water channel.
7. The method for three-dimensionally optimizing and lifting an ecological environment of a river wetland according to claim 1, wherein the artificial dikes are formed by stacking pebbles or rock blocks.
8. The method for improving ecological environment of river wetland in three-dimensional optimization manner as recited in claim 1, wherein the wetland plants comprise one or more of loosestrife, canna aquatica, saxifrage, drooping grass, religious flower and phyllostachys bambusoides.
9. The method for improving ecological environment of river wetland in three-dimensional optimization according to claim 1, wherein the submerged plant is one or more of eel grass, waterweed and hornworts.
10. The method for three-dimensionally optimizing and improving the ecological environment of a river wetland according to claim 1, wherein the benthic mollusk is one or more of a periwinkle, a swamp snail, a culvert snail, a mussel and a river crab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111050196.1A CN113756253A (en) | 2021-09-08 | 2021-09-08 | Ecological environment three-dimensional optimization lifting method for river wetland |
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