CN112093906B - Spiral mussel and fish grass three-dimensional restoration technology for ecological restoration of natural water body - Google Patents
Spiral mussel and fish grass three-dimensional restoration technology for ecological restoration of natural water body Download PDFInfo
- Publication number
- CN112093906B CN112093906B CN202010933404.1A CN202010933404A CN112093906B CN 112093906 B CN112093906 B CN 112093906B CN 202010933404 A CN202010933404 A CN 202010933404A CN 112093906 B CN112093906 B CN 112093906B
- Authority
- CN
- China
- Prior art keywords
- grass
- mussel
- fish
- section
- plants
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
Abstract
The invention relates to a spiral shell and mussel grass stereoscopic restoration technology for ecological restoration of a natural water body, which averagely divides a river section to be restored into n sections, and sequentially and circularly establishes a spiral shell and mussel symbiotic section in the n sections. The three-dimensional restoration technology for the freshwater mussels and the grass breaks through the common mode of grass planting and fish culture constructed by the traditional water ecology, applies the key roles of the ecosystem of the freshwater mussels and the snail and the mussel to restoration, and combines the fish and the grass. The basic principle is as follows: the snail, the mussel, the grass and the fish form a three-dimensional ecological purification system, and the snail, the mussel, the grass and the fish are matched with each other and also inhibit each other. The method provided by the invention has the advantages that once a perfect three-dimensional ecosystem of the freshwater mussel is established, the stability is very strong, even in winter, when the plants wither, the freshwater mussel can still keep a certain purification effect, artificial intervention is basically not needed in the later period, and the effect is very obvious.
Description
Technical Field
The invention relates to a natural water body ecological restoration technology, in particular to a spiral shell mussel and fish grass three-dimensional restoration technology for natural water body ecological restoration.
Background
With the rapid development of industrialization, the water environment ecology deteriorates, black and odorous water body treatment is carried out on urban water environment, but the adopted method is still single and mainly comprises the modes of sewage interception and collection, endogenous cleaning, aeration and oxygenation, running water circulation, ecological construction and the like. Particularly, the water ecology construction part is complex and diversified in method, the most commonly used method is grass-cultivated fish, and the water ecology system is constructed by planting emergent aquatic plants, floating-leaf plants and submerged plants and then stocking filter-feeding fishes.
The stability of the water ecosystem constructed in the mode is general, the water quality is purified mainly by the absorption of the aquatic plants, the effect is long, and once the aquatic ecosystem encounters large water flow or plants wither in winter, the ecological restoration effect is greatly reduced. Meanwhile, the aquatic animals are extremely easy to wash away along with the water flow, and then need to be replenished and thrown again, so that more investment cost is increased virtually.
Disclosure of Invention
The invention aims to provide a spiral shell, mussel and fish grass three-dimensional restoration technology for ecological restoration of natural water, which has stable and continuous effect; the defects of the traditional method are overcome, an ecological system with strong impact resistance and excellent effect is constructed, the water quality can be continuously improved in four seasons, and virtuous cycle of the water ecological environment is realized.
The three-dimensional repairing technology for the freshwater mussel and grass is characterized in that a river section to be repaired is averagely divided into n sections, and a freshwater mussel and grass symbiotic section and a freshwater mussel and fish symbiotic section are sequentially and circularly established in the n sections.
Specifically, the method comprises the following steps: evenly dividing a river reach of length L into n sections, wherein L1The segments are called spirochete symbiotic segments, L2The sections become clam and fish symbiotic sections L3Is also a symbiotic segment of spirochete L4The sections become clam and fish symbiotic sections, and the analogy is repeated at intervals.
The invention provides a 'three-dimensional repairing technology for conch, mussel and grass', which breaks through the common mode of grass planting and fish culture of the traditional aquatic ecology construction, applies key roles of the ecosystem of the conch and the mussel in the freshwater mussel to repair, and combines the fish and the grass. The basic principle is as follows: the snail, the mussel, the grass and the fish form a three-dimensional ecological purification system, and the snail, the mussel, the grass and the fish are matched with each other and also inhibit each other.
Wherein, the cooperation body is mainly in order scraping the food at the spiral shell, mainly scrapes organic residue and the piece on edible plant blade surface and bed mud surface, and phytoplankton, zooplankton and organic piece in the freshwater mussel filter feeding water, and the plant root is pricked into soil and is absorbed the nitrogen phosphorus nutrition in the bed mud, and filter feeding fish also can filter phytoplankton and zooplankton in the feeding water, and the reproduction need be accomplished with the help of fish to the freshwater shellfish simultaneously, and four have constituted the complete clean system of bed mud, mud table, water. The inhibition is reflected in that the number of local mussels with a large number of plants is not large, the snails can eat part of the plants, the large-area expansion of the plants can be inhibited, and the later operation and maintenance cost is reduced.
The method provided by the invention has the advantages that once a perfect three-dimensional ecosystem of the freshwater mussel is established, the stability is very strong, even in winter, when the plants wither, the freshwater mussel can still keep a certain purification effect, artificial intervention is basically not needed in the later period, and the effect is very obvious.
In order to ensure the symbiotic restriction effect of the snail, mussel, grass and fish, the symbiotic sections of the snail and grass alternate with the symbiotic sections of the mussel and fish, wherein the average segmented river section is 50-120 meters in length; preferably 80-100 meters; in practical applications, the gap is often about 100 meters.
Wherein the mussels are selected from one or more of hyriopsis cumingii, Cristaria plicata, Hyriopsis cumingii, cavernous Hyriopsis cumingii and odontophyllum dorsum; the mussels have strong decontamination capability and vigorous vitality;
preferably, the mussels are a combination of hyriopsis cumingii, plicated crown mussel and dorsal horn anodonta mussel.
Wherein the species of the snails is one or more selected from pear-shaped ring edge snails, square ring edge snails and river snails;
wherein the fish species are one or two of silver carp eating phytoplankton and silver carp eating phytoplankton;
wherein the grass species is selected from one or more of emergent aquatic plants, floating-leaf plants and submerged plants.
Preferably, the grass is a combination of emergent aquatic plants, floating-leaf plants and submerged plants, wherein the ratio of the emergent aquatic plants to the floating-leaf plants to the submerged plants is 1-2: 1: 1.5-2.5; especially, when the ratio is 1.5:1:2, the effect is optimal, under the ratio, the coverage rate of the floating leaf plants can prevent the outbreak of algae, the illumination required by the submerged plants is not influenced, according to experimental data, the water quality purification effect under the ratio is optimal, wherein the total nitrogen removal rate can reach 15%, and COD (chemical oxygen demand) is bestMnThe removal rate can reach 33 percent, the total phosphorus removal rate can reach 23 percent, and the landscape effect is optimal.
Preferably, the submerged plant is tape grass; the emergent aquatic plant is selected from one or two of canna indica and saxifrage; the emergent aquatic plants have good landscape effect and strong dirt-removing capacity; the said floating leaf plant is selected from one or two of water lily and Xincai; the above floating-leaf plants have beautiful landscape and no outbreak.
In order to further enhance the repairing effect, the proper adding proportion is reasonably selected on the basis of optimizing the types of the materials.
The invention further provides a method for cultivating the freshwater mussel and the freshwater mussel symbiotic section, wherein the freshwater mussel and the freshwater mussel symbiotic section mainly comprise the snail and the grass, different adding sections are arranged according to different life habits and environments of the freshwater mussel and the snail, the snail can eat humus and the like on plant leaves, meanwhile, the snail can climb up the plant leaves to breathe, the requirement on oxygen conditions is not strict, the snail can live in a luxuriant place, compared with the freshwater mussel, the activity is weak, the snail can basically only move on the surface layer of mud after being put in the freshwater mussel, if a large number of plants are planted, on one hand, the illumination is weakened, phytoplankton is reduced, the freshwater mussel is not beneficial to the ingestion and growth of the freshwater mussel, meanwhile, the abundant place where the plants are rich is generally less in oxygen, the freshwater mussel is not resistant to low oxygen, and therefore the freshwater mussel symbiotic section and the freshwater mussel symbiotic section need to be arranged at intervals.
Wherein the throwing density of the snails is 0.4-0.6 kg/m2The feeding density of the grass is 14-18 plants/m2. Preferably the spiral throwing density is 0.5kg/m2The feeding density of the grass is 15 plants/m2。
In order to further enhance the repairing effect, the spirochete symbiotic section also comprises clams, and the throwing density of the clams is 0.4-0.8 g/m2(ii) a Preferably 0.4 to 0.6g/m2。
The invention further provides that the clam and fish symbiotic section mainly comprises clams and fishes and contains a small amount of grass.
Wherein the throwing density of the mussels is 180-220 g/m2(ii) a The feeding density of the fish is 50-80 g/m2The feeding density of the grass is 2-3 plants/m2。
Preferably, the fish species are silver carp and silver carp, wherein the feeding density of the silver carp is 45-65 g/m2The silver carp is thrown in the density of 15-20 g/m2。
Wherein the silver carp is added in 1/3 of silver carp.
In order to further enhance the repairing effect, the clam fish symbiotic segment also comprises a snail, and the snail is put inThe density is 0.08 to 0.12kg/m2。
The symbiotic sections of the spirochete and the mussel and fish provided by the invention are mutually alternated, the length of the alternation is reasonably optimized, and the spirochete, the mussel, the fish, the grass and the like with different proportions are put in according to the corresponding alternation. The ecological system constructed according to the method has strong stability, the snail and the mussel are not influenced by water flow and cannot be washed away like fish, and meanwhile, plants gradually wither in winter, but the snail and the mussel still filter the nutrient components in the water body and continuously purify the water quality.
The invention provides an optimal scheme, in particular to a spiral shell-mussel-fish grass stereoscopic restoration technology for ecological restoration of a natural water body, wherein a river section to be restored is divided into n sections, and the length of each section is 80-100 meters; then, sequentially and circularly establishing a spirochete symbiotic section and a mussel symbiotic section;
wherein the mussels are selected from one or more of hyriopsis cumingii, Cristaria plicata, Hyriopsis cumingii, cavernous Hyriopsis cumingii and odontophyllum dorsum; the species of the snails is selected from one or more of pear-shaped ring-shaped snails, square ring-shaped snails and river snails; the fish species are yellow silver carp and silver carp; the silver carp is put in 1/3 of silver carp; the grass is a combination of emergent aquatic plants, floating leaf plants and submerged plants in a ratio of 1-2: 1: 1.5-2.5;
wherein the spirogyra symbiotic section consists of a snail, a grass and a mussel; the throwing density of the snails is 0.4-0.6 kg/m2The feeding density of the grass is 14-18 plants/m2The throwing density of the mussels is 0.4-0.6 g/m2；
Wherein the clam and fish symbiotic segment consists of clams, fishes, grass and snails; the throwing density of the mussels is 180-220 g/m2(ii) a The feeding density of the fish is 50-80 g/m2The feeding density of the grass is 2-3 plants/m2The throwing density of the snails is 0.08-0.12 kg/m2。
The restoration technology provided by the invention can effectively improve the water body of the river reach to be restored; even if the water quality effect of the water body is poor, the ideal repairing effect can be still achieved; wherein the limit value of total nitrogen in the water body of the river reach 30mg/L and CODMnThe limit value can reach 50mg/L, and the total phosphorus limit value can reach 2.0 mg/L.
The water body restoration technology provided by the invention at least has the following beneficial effects:
1. the invention is reasonably divided into a spirogyra symbiotic section and a mussel and fish symbiotic section, and the spirogyra, the mussel, the grass and the fish form a three-dimensional ecological purification system, so that the spirogyra, the mussel, the grass and the fish are matched with each other and are inhibited from each other. The spirogyra symbiotic section forms symbiont with the grass by utilizing the scraping characteristic of spirogyra, and purifies the substrate sludge and organic debris on the plant leaves, thereby purifying the water quality; by utilizing the characteristic of mussel filter feeding, the breeding of the mussels needs fish, meanwhile, the fishes can lay eggs and parasitize in the mussels to form symbiota, so that a self-breeding system of the fishes and the mussels is formed, and the aquatic organisms such as the fishes and the like do not need to be put in regularly in the follow-up process.
2. In the water body restoration technology provided by the invention, the freshwater mussel grass carp is prepared from conventional freshwater shellfish and fish; by optimizing the throwing amount and throwing intervals, a three-dimensional purification system with complete sediment, a mud surface and a water body is formed, and the removal effect is stable. The method can be used for restoring a large amount of natural water, and has low construction investment cost and simple maintenance procedures; the ideal modifying effect can be obtained in a short time, and the modifying effect is stable and durable.
3. The constructed ecological system of the freshwater mussel grass has strong impact resistance, is not influenced by the flow velocity of a water body, and can still keep higher removal rate when plants wither in winter. The symbiotic system of the mussels and the fishes can keep good sustainability, and the two parties are hosts parasitizing with each other, so that continuous self-reproduction can be realized, and the input cost of subsequent operation and maintenance is reduced. The ecological system constructed by the invention has a good treatment effect, can keep high transparency of the water body, and has high landscape aesthetic value.
Drawings
FIG. 1 is a schematic diagram of arrangement of a spirochete symbiotic segment and a mussel symbiotic segment in the three-dimensional repair technology of spirochetes, mussels and fishes.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
A three-dimensional restoration technology of mussel and fish grass for ecological restoration of natural water body divides a river section to be restored into n sections, and the length of each section is 100 meters; then, sequentially and circularly establishing a spirochete symbiotic section and a mussel symbiotic section;
wherein the mussels are selected from one or more of hyriopsis cumingii, Cristaria plicata, Hyriopsis cumingii, cavernous Hyriopsis cumingii and odontophyllum dorsum; the species of the snails is selected from one or more of pear-shaped ring-shaped snails, square ring-shaped snails and river snails; the fish species are yellow silver carp and silver carp; the silver carp is put in 1/3 of silver carp; the grass is the combination of emergent aquatic plants, floating-leaf plants and submerged plants in a ratio of 1.5:1: 2; the submerged plant is tape grass; the emergent aquatic plant is selected from one or two of canna indica and saxifrage; the said floating leaf plant is selected from one or two of water lily and Xinjiang vegetable.
Wherein the spirogyra symbiotic section consists of a snail, a grass and a mussel; the throwing density of the snails is 0.5kg/m2The feeding density of the grass is 16 plants/m2The throwing density of the mussels is 0.5g/m2；
Wherein the clam and fish symbiotic segment consists of clams, fishes, grass and snails; the throwing density of the mussels is 200g/m2(ii) a The fish feeding density is 50g/m2The feeding density of the grass is 2 plants/m2The throwing density of the snails is 0.1kg/m2。
Example 1
The embodiment of the technology for three-dimensional restoration of the freshwater mussel and fish grass for ecological restoration of natural water bodies is characterized in that the total length of a certain river section in a turnip lake city is 1km, the area of a water area is 10000 square meters, the river section adopts conventional river channel restoration technologies such as sewage interception and collection pipe and aeration oxygenation, but a water ecosystem is not constructed, and water quality indexes are kept as follows for a long time: total nitrogen of about 8mg/L, CODMnAbout 25mg/L, total phosphorus about 0.8 mg/L.
The specific operation is as follows:
dividing a river reach with the length of 1km into 10 sections, and alternately arranging a spiral grass symbiotic section and a mussel fish symbiotic section in sequence; as shown in fig. 1
Wherein, in each cycle, about 160000 plants are planted in each spirogyra symbiotic section, about 5000kg of snails are thrown in the Chinese herbal plants, and about 5000g of clams are thrown in the Chinese herbal plants; about 2000kg of mussels, about 20000 plants planted in grass and about 1000kg of snails are put in each mussel and fish symbiotic segment.
Wherein the grass is a combination of emergent aquatic plants, floating-leaf plants and submerged plants in a ratio of 1.5:1: 2; the submerged plant is tape grass; the emergent aquatic plant is selected from one or two of canna indica and saxifrage; the said floating leaf plant is selected from one or two of water lily and Xincai;
wherein the mussels are the combination of hyriopsis cumingii, plicated crown mussel and anodonta dorsifolia;
and repeating the following river reach, and then putting 500kg of silver carp and 167kg of silver carp in the whole river reach.
By adopting the water ecology construction technology, after 3 months of restoration, the water quality is as follows: total nitrogen of about 5.74mg/L, CODMnAbout 19.87mg/L, total phosphorus about 0.53 mg/L;
after half a year of restoration, the water quality is as follows: total nitrogen of about 3.72mg/L, CODMnAbout 16.35mg/L, total phosphorus about 0.45 mg/L;
after 1 year of restoration, the water quality is as follows: total nitrogen of about 1.87mg/L, CODMnAbout 14.48mg/L, total phosphorus about 0.38 mg/L. And the standard of surface water environmental quality class V is achieved. Meanwhile, the ecological effect is displayed, the fishes, mussels and grass carps are symbiotic, and the effect that the fishes fly to shallow bottoms is realized.
Example 2
The embodiment of the technology for three-dimensional restoration of the freshwater mussel and grass for ecological restoration of natural water bodies is characterized in that the total length of a river section in a turnip lake city is 2km, the area of a water area is 20000 square meters, the river section adopts conventional river channel restoration technologies such as sewage interception, storage and aeration, and the like, but a water ecosystem is not constructed, and water quality indexes are kept as follows for a long time: total nitrogen of about 7mg/L, CODMnAbout 17mg/L, total phosphorus about 0.5 mg/L.
The specific operation is as follows:
dividing the river reach with the length of 2km into 20 sections, and alternately arranging the sections sequentially including a spirochete symbiotic section and a mussel symbiotic section;
wherein, in each cycle, about 160000 plants are planted in each spirogyra symbiotic section, about 5000kg of snails are thrown in the Chinese herbal plants, and about 5000g of clams are thrown in the Chinese herbal plants; about 2000kg of mussels, about 20000 strains of submerged plants and about 1000kg of snails are put in each mussel fish symbiotic segment.
Wherein the grass is a combination of emergent aquatic plants, floating-leaf plants and submerged plants in a ratio of 1.5:1: 2; the submerged plant is tape grass; the emergent aquatic plant is selected from one or two of canna indica and saxifrage; the said floating leaf plant is selected from one or two of water lily and Xincai;
wherein the mussels are the combination of hyriopsis cumingii, plicated crown mussel and anodonta dorsifolia;
and repeating the following river reach, and then putting 500kg of silver carp and 167kg of silver carp in the whole river reach.
By adopting the water ecology construction technology, after 3 months of restoration, the water quality is as follows: total nitrogen of about 5.02mg/L, CODMnAbout 13.51mg/L, total phosphorus about 0.33 mg/L;
after half a year of remediation, the water quality is currently as follows: total nitrogen of about 3.25mg/L, CODMnAbout 11.12mg/L, total phosphorus about 0.21 mg/L.
After 1 year of remediation, the water quality is currently as follows: total nitrogen of about 1.57mg/L, CODMnAbout 9.86mg/L, total phosphorus about 0.15 mg/L. And the standard of surface water environmental quality class V is achieved. Meanwhile, the ecological effect is displayed, the fishes, mussels and grass carps are symbiotic, and the effect that the fishes fly to shallow bottoms is realized.
Example 3
The three-dimensional restoration technology of the freshwater mussel and the fish grass for ecological restoration of the natural water body is different from the technology of the embodiment 1 only in that the grass only adopts submerged plants; emergent aquatic plants and floating-leaf plants are not adopted;
the total length of a certain river section in the turnip lake city is 0.5km, and the area of a water area is 5000 square meters; wherein the total nitrogen is about 7mg/L, CODMnAbout 23mg/L, total phosphorus about 1 mg/L.
After 3 months of remediation, the water quality was as follows: total nitrogen of about 5.8mg/L, CODMnAbout 16.38mg/L, total phosphorus about 0.62 mg/L; the modification effect is more ideal; but a relatively obvious algae growth occurs, and the harvest is needed once a month.
Example 4
The three-dimensional repairing technology for the freshwater mussel and grass for ecological restoration of the natural water body is different from that in the embodiment 1 only in that the throwing densities of a freshwater mussel and grass symbiotic section and a freshwater mussel and fish symbiotic section are different;
specifically, the method comprises the following steps: in the symbiotic section of the spirogyra, the throwing density of the spirogyra is 1kg/m2The feeding density of the grass is 10 plants/m2The throwing density of the mussels is 1g/m2(ii) a In the clam fish symbiotic section, the throwing density of the clams is 150g/m2The fish feeding density is 100g/m2The feeding density of the grass is 2 plants/m2The throwing density of the snails is 0.1kg/m2(ii) a The ratio of the silver carp to the silver carp is 1:1.
The total length of a certain river section in the turnip lake city is 0.5km, and the area of a water area is 5000 square meters; wherein the total nitrogen is about 7.5mg/L, CODMnAbout 27mg/L, total phosphorus about 0.8 mg/L.
After 3 months of remediation, the water quality was as follows: total nitrogen of about 6.2mg/L, CODMnAbout 18.25mg/L, total phosphorus about 0.58 mg/L.
Comparative example 1
The comparative example is a technology for ecological restoration of natural water bodies, and does not adopt alternate circulation of the symbiotic segment of the spirochete and the symbiotic segment of the freshwater mussel in the example 1.
The total length of a certain river section in the turnip lake city is 1km, the area of the water area is 15000 square meters, the conventional river channel restoration technology such as sewage interception and pipe collection, aeration and oxygen increase is adopted for the river section, and the water ecological restoration is only to put in fish and plant, and other ecological construction measures are not adopted.
After 1 year, the water quality indexes are kept as follows for a long time: total nitrogen of about 6mg/L, CODMnAbout 15mg/L, total phosphorus about 0.35 mg/L. Algae outbreaks are frequent, especially during hot seasons. Meanwhile, the plants grow vigorously and need to be picked and harvested by personnel every week, otherwise, rotten plant stems and leaves pollute the water again, and meanwhile, as the fishes do not have hosts of freshwater shellfish, part of fishes need to be put in every year regularly, so that the operation and maintenance cost is high.
Comparative example 2
The comparative example is a technology for ecological restoration of natural water bodies, and does not adopt the average distribution section of the symbiotic section of the spirochetes and the symbiotic section of the mussels in the example 1; other throwing types and throwing densities are the same as those of the embodiment 1;
the total length of a river reach in the turnip lake city is 1km, the area of a water area is 15000 square meters, wherein the total nitrogen is about 9mg/L, and the COD isMnAbout 20mg/L, total phosphorus about 0.7 mg/L.
Specifically, the method comprises the following steps: the first section is divided into 50 meters which is a spirochete symbiotic section; the second section is a clam and fish symbiotic section with the length of 150 meters; the third section is 150 meters which is a spirochete symbiotic section; the fourth section is a clam and fish symbiotic section with the length of 50 meters; and putting the subsequent spirochete symbiotic section and the mussel symbiotic section at different lengths of 50-150 meters.
After one year of restoration, the water quality indexes are kept as follows for a long time: total nitrogen of about 7.3mg/L, CODMnAbout 16mg/L, total phosphorus about 0.52 mg/L. The modification effect is not particularly stable, wherein the plants in partial water areas grow excessively and need to be harvested regularly; the plants in a part of water areas can not grow vigorously; and regular replenishment of fish is required.
Although the invention has been described in detail hereinabove by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that many modifications and improvements can be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. A three-dimensional restoration technology of freshwater mussel and fish grass for ecological restoration of natural water is characterized in that a river section to be restored is divided into n sections, and the length of each section is 80-100 meters; then, sequentially and circularly establishing a spirochete symbiotic section and a mussel symbiotic section;
wherein the mussels are selected from one or more of hyriopsis cumingii, Cristaria plicata, Hyriopsis cumingii, cavernous Hyriopsis cumingii and odontophyllum dorsum; the species of the snails is selected from one or more of pear-shaped ring-shaped snails, square ring-shaped snails and river snails; the fish species are yellow silver carp and silver carp; the silver carp is put in 1/3 of silver carp; the grass is a combination of emergent aquatic plants, floating leaf plants and submerged plants in a ratio of 1-2: 1: 1.5-2.5;
wherein the spirochete symbiotic section consists of a snail, a grass and a mussel; the throwing density of the snails is 0.4-0.6 kg/m2The feeding density of the grass is 14-18 plants/m2The throwing density of the mussels is 0.4-0.6 g/m2；
Wherein the clam and fish symbiotic segment consists of clams, fishes, grass and snails; the throwing density of the mussels is 180-220 g/m2The feeding density of the fish is 50-80 g/m2All grass of RedblowerThe feeding density of the fertilizer is 2-3 plants/m2The throwing density of the snails is 0.08-0.12 kg/m2。
2. The clam fish grass stereo repair technology according to claim 1, wherein the clam is a combination of hyriopsis cumingii, cristobias plicata and anodonta dorsifolia.
3. The three-dimensional mussel grass restoration technology according to claim 1, wherein the submerged plant is tape grass; the emergent aquatic plant is selected from one or two of canna indica and saxifrage; the said floating leaf plant is selected from one or two of water lily and Xinjiang vegetable.
4. The spiral shell mussel grass stereoscopic restoration technology as claimed in claim 1, wherein the putting density of the silver carps is 45-65 g/m2The silver carp is thrown in the density of 15-20 g/m2。
5. The three-dimensional restoration technology for freshwater mussel and fish grass according to any one of claims 1 to 4, wherein the total nitrogen value in the water body of the river section to be restored is not more than 30mg/L, and the COD is CODMnThe value is not more than 50mg/L, and the total phosphorus value is not more than 2.0 mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010933404.1A CN112093906B (en) | 2020-09-08 | 2020-09-08 | Spiral mussel and fish grass three-dimensional restoration technology for ecological restoration of natural water body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010933404.1A CN112093906B (en) | 2020-09-08 | 2020-09-08 | Spiral mussel and fish grass three-dimensional restoration technology for ecological restoration of natural water body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112093906A CN112093906A (en) | 2020-12-18 |
| CN112093906B true CN112093906B (en) | 2022-02-08 |
Family
ID=73751088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010933404.1A Active CN112093906B (en) | 2020-09-08 | 2020-09-08 | Spiral mussel and fish grass three-dimensional restoration technology for ecological restoration of natural water body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112093906B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461165A (en) * | 2021-07-15 | 2021-10-01 | 江苏江达生态科技有限公司 | Grass-snail combined type ecological system restoration method |
| CN114590904A (en) * | 2022-03-25 | 2022-06-07 | 上海太和水科技发展股份有限公司 | Healthy ecosystem of many nutrition levels in waters |
| CN115316320A (en) * | 2022-09-20 | 2022-11-11 | 安徽水韵环保股份有限公司 | Shellfish ecosystem for natural water body purification |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739077A (en) * | 2013-12-23 | 2014-04-23 | 深圳天澄科工水系统工程有限公司 | Multi-dimensional ecological system remediation method |
| CN203922857U (en) * | 2014-05-29 | 2014-11-05 | 陆见华 | Spiral shell grass symbiosis pollution treatment platform |
| CN206457304U (en) * | 2017-02-22 | 2017-09-01 | 安徽理工大学 | A kind of imported pollution lake body ecological purification system |
| CN109721166A (en) * | 2019-03-14 | 2019-05-07 | 广东紫方环保技术有限公司 | A kind of ecology filler and the ecological floating island device based on the ecology filler |
-
2020
- 2020-09-08 CN CN202010933404.1A patent/CN112093906B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739077A (en) * | 2013-12-23 | 2014-04-23 | 深圳天澄科工水系统工程有限公司 | Multi-dimensional ecological system remediation method |
| CN203922857U (en) * | 2014-05-29 | 2014-11-05 | 陆见华 | Spiral shell grass symbiosis pollution treatment platform |
| CN206457304U (en) * | 2017-02-22 | 2017-09-01 | 安徽理工大学 | A kind of imported pollution lake body ecological purification system |
| CN109721166A (en) * | 2019-03-14 | 2019-05-07 | 广东紫方环保技术有限公司 | A kind of ecology filler and the ecological floating island device based on the ecology filler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112093906A (en) | 2020-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112093906B (en) | Spiral mussel and fish grass three-dimensional restoration technology for ecological restoration of natural water body | |
| Joyce | The dead zones: oxygen-starved coastal waters. | |
| CN104310591B (en) | The construction process of the city appearance water body ecosystem | |
| CN103875575B (en) | Breeding method for South American white shrimps in freshwater lake | |
| Etnier et al. | Ecological engineering for wastewater treatment | |
| CN106242064B (en) | Ecological restoration method for high hydraulic load artificial lake shore zone | |
| CN104351034B (en) | A kind of happiness salt grass fingerlings artificial cultural method repaired for marine ecology | |
| CN106171816A (en) | A kind of construction method of breeding pollution beach Rhizophora apiculata Blume | |
| CN103011412A (en) | Rotary water ecological restoration device and application thereof | |
| CN101397166A (en) | Target loop type ecological restoration for natural water body drinking water sources and water quality improvement technique | |
| Chakravartty et al. | Role of aquaponics in the sustenance of coastal India-Aquaponics is a solution for modern agriculture in ecologically sensitive Indian mangrove Sundarbans: A review | |
| CN113371833A (en) | Composite ecological restoration method for lakeside zone of shallow lake | |
| CN109179936B (en) | In-situ treatment method suitable for ecological restoration of light-pollution clean pond | |
| CN101263794A (en) | Ecological cultivation technique for crab | |
| CN112320959B (en) | Comprehensive treatment method for urban water pollution ecological restoration | |
| CN106993572A (en) | A kind of sea pond ecological efficient cultural method | |
| CN109650549A (en) | A kind of river mouth artificial wet land system of purifying river water quality | |
| CN211896287U (en) | Efficient ecological purification system for controlling agricultural non-point source pollution | |
| CN206033389U (en) | Pollute normal position ecological restoration system in river course | |
| CN1272264C (en) | Method for recovering aquatic ecology system of nutrition-enriched water of lake | |
| CN105409848A (en) | Method for controlling bacterial diseases by co-culturing Siganus ConcatenaluJ and Penaeus japonicus | |
| Wang et al. | Mariculture: developments, present status and prospects | |
| CN102257986B (en) | Method for constructing cultivation sewage sequencing batch circular treatment and recycling system | |
| Lewmanomont et al. | Biodiversity, cultivation and utilization of seaweeds in Thailand: An overview | |
| KR101067702B1 (en) | Method for restoration of coastal wet land using a pipe type structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A three-dimensional restoration technology of snailfish grass for ecological restoration of natural water bodies Effective date of registration: 20220907 Granted publication date: 20220208 Pledgee: China Merchants Bank (CMB) Limited by Share Ltd. Wuhu branch Pledgor: ANHUI SHUIYUN ENVIRONMENTAL PROTECTION CO.,LTD. Registration number: Y2022980014721 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220929 Granted publication date: 20220208 Pledgee: China Merchants Bank (CMB) Limited by Share Ltd. Wuhu branch Pledgor: ANHUI SHUIYUN ENVIRONMENTAL PROTECTION CO.,LTD. Registration number: Y2022980014721 |