CN114804515A - Artificial wetland system for Jiangxin continents and flood beaches - Google Patents
Artificial wetland system for Jiangxin continents and flood beaches Download PDFInfo
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- CN114804515A CN114804515A CN202210386859.5A CN202210386859A CN114804515A CN 114804515 A CN114804515 A CN 114804515A CN 202210386859 A CN202210386859 A CN 202210386859A CN 114804515 A CN114804515 A CN 114804515A
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- 239000004576 sand Substances 0.000 claims abstract description 33
- 241000196324 Embryophyta Species 0.000 claims abstract description 26
- 239000011159 matrix material Substances 0.000 claims abstract description 14
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 10
- 239000013049 sediment Substances 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 230000003628 erosive effect Effects 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 4
- 240000000530 Alcea rosea Species 0.000 claims description 3
- 235000017334 Alcea rosea Nutrition 0.000 claims description 3
- 235000017303 Althaea rosea Nutrition 0.000 claims description 3
- 240000002066 Amorpha fruticosa Species 0.000 claims description 3
- 235000004047 Amorpha fruticosa Nutrition 0.000 claims description 3
- 235000018185 Betula X alpestris Nutrition 0.000 claims description 3
- 235000018212 Betula X uliginosa Nutrition 0.000 claims description 3
- 240000005979 Hordeum vulgare Species 0.000 claims description 3
- 235000007340 Hordeum vulgare Nutrition 0.000 claims description 3
- 241000735470 Juncus Species 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 235000005291 Rumex acetosa Nutrition 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 241000383620 Allium mongolicum Species 0.000 claims description 2
- 230000004931 aggregating effect Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 235000001018 Hibiscus sabdariffa Nutrition 0.000 claims 1
- 240000007001 Rumex acetosella Species 0.000 claims 1
- 235000003513 sheep sorrel Nutrition 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000008635 plant growth Effects 0.000 description 3
- 244000137827 Rumex acetosa Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003979 granulating agent Substances 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 240000002791 Brassica napus Species 0.000 description 1
- 235000006008 Brassica napus var napus Nutrition 0.000 description 1
- 244000273256 Phragmites communis Species 0.000 description 1
- 235000008573 Scirpus validus Nutrition 0.000 description 1
- 244000143231 Scirpus validus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cultivation Of Plants (AREA)
- Revetment (AREA)
Abstract
The invention discloses an artificial wetland system for a Jiangxin continent and a flood plain, which mainly comprises the following contents that 1) the artificial wetland is arranged into a two-stage step type, wherein the first-stage step is an emergent aquatic plant planting area, and the second-stage step is a shrub and grass mixed planting area; 2) a sand setting device is arranged on the outer side of the first-stage ladder of the artificial wetland; 3) spraying an erosion-resistant planting matrix layer with the thickness of 3-5cm on the surface of the artificial wetland area; 4) respectively selecting plants in emergent aquatic plant growing areas and arbor and shrub mixed growing areas according to local climatic environment conditions; 5) mixing the seeds into the matrix, and spraying the mixture on the surface of the matrix layer in the corresponding area to form a seed layer with the thickness of 2 cm. The invention effectively solves the problems that the constructed wetland technology is easy to cause sediment accumulation and the plants are difficult to store when applied to the Jiangxian continents and the flood beaches, reduces the exposed areas of the Jiangxian continents and the flood beaches in the dry season, reduces the wind and sand source, prevents sediment accumulation, further expands the Jiangxian continents and the flood beaches, and realizes ecological restoration.
Description
Technical Field
The invention belongs to the technical field of water environment comprehensive remediation, and particularly relates to an artificial wetland system in a river heart continent and a flood plain.
Background
The change of the water level of the middle reaches of the Yaluzang Bujiang river leads to the dynamic change of the river channel, so that the heart continent and the flood plain of the river are exposed in winter and spring to form a seasonal sand source, and strong wind power in the winter and spring of the region provides power for the formation of wind and sand disasters. Meanwhile, the water flow in the wide valley section in the full water period carries more silt and is continuously accumulated in the heart continents of the rivers and the flood beaches, and the wind and sand disasters of the area are further aggravated. By constructing the artificial wetland in the areas and constructing the vegetation, the area of the water area in dry seasons can be increased, the vegetation coverage rate of the Jiangxian continents and the river flood beaches is improved, and the exposed areas of the Jiangxian continents and the river flood beaches are reduced.
Chinese patent CN104790340A discloses an unpowered riverside landscape constructed wetland water quality purification system, which comprises a riverside wetland constructed along water-land interlaced zones of a river channel and a lake pond, wherein the riverside wetland comprises a plurality of interlaced wetland islands and water channels formed between adjacent wetland islands, the bottom surface of the riverside wetland is lower than the normal water level of the river channel and the lake pond, the top surface of the wetland island is flush with the normal water level of the river channel and the lake pond, plants are planted on the wetland islands to reduce constructed revetments between the riverside wetland and the river channel and between the lake pond, and the top surface of the revetments is between the bottom surface of the riverside wetland and the top surface of the wetland island.
Chinese patent CN105198085A discloses a stepped horizontal subsurface flow constructed wetland combined system and application thereof, the combined system is built according to a slope topography, and comprises a plurality of levels of horizontal subsurface flow constructed wetland units which are distributed in a stepped manner from top to bottom according to the slope gradient of the slope and a pipe network unit which connects the levels of the horizontal subsurface flow constructed wetland units, the horizontal subsurface flow constructed wetland units adopt a side surface water inlet mode, and water flow in the horizontal subsurface flow constructed wetland units horizontally flows along the length direction of the horizontal subsurface flow constructed wetland units.
The artificial wetland system is used for landscape construction of the bank of rivers and lakes, plays roles of eliminating pollution and purifying water quality, but has no function of intercepting sediment, so that the problems of wetland siltation, sediment burying and the like are easily caused in a water-rich period, the artificial wetland is seriously damaged, and the application of the artificial wetland in the estuary continents and the flood beaches is limited.
Disclosure of Invention
Aiming at the problem that the existing constructed wetland is not suitable for being built in the heart continents and the flood beaches.
The invention provides an artificial wetland system for a Jiangxin continent and a flood plain, which comprises the following steps:
1) the artificial wetland is arranged into a two-stage step type, wherein the first-stage step is an emergent aquatic plant planting area, and the second-stage step is a shrub and grass mixed planting area;
2) a sand setting device is arranged on the outer side of the first-stage ladder of the artificial wetland;
3) spraying 3-5cm of erosion-resistant planting matrix layer on the surface of the artificial wetland area;
4) respectively selecting plants in emergent aquatic plant growing areas and arbor and shrub mixed growing areas according to local climatic environment conditions;
5) and mixing the seeds into the matrix, and spraying the mixture on the surface of the planting matrix layer in the corresponding area to form a seed layer of 2 cm.
In some embodiments of the present invention, the maximum flooding depth of the first-stage step ranges from 0.3m to 1.0m, and the maximum flooding depth of the second-stage step ranges from 0.3m or less.
In some embodiments of the present invention, the sand settling device is a concrete structure, and comprises a front retaining wall, a rear retaining wall, a base and a fixing member, wherein the front retaining wall has a height ranging from 0.2 to 0.3m, is in the shape of a right triangle, and has a ratio of a bottom edge to a height of (2-4): 1, the rear retaining wall has a height ranging from 0.4 to 0.6m, and has a base length of 1.0 to 1.5m, and the fixing member has a length ranging from 0.3 to 0.5m, and is buried in sand, and the sand settling device is installed in a Jiangxi continent and a river floodbank in a dry season.
In some embodiments of the present invention, a plurality of sand settling devices are provided, and the plurality of sand settling devices are assembled, closely connected by a connection member, around the continent of the river or arranged at the periphery of the flood plain.
In some embodiments of the present invention, the sand settling device is required to clean the sand in the device after the water level falls back.
In some embodiments of the invention, the plant matrix layer and seed layer are formulated in the following volume ratios: 35% of silt, 20% of planting soil, 5% of bentonite, 39.91% of decomposed highland barley straw, 0.03% of aggregating agent and 0.06% of stabilizing agent.
In some embodiments of the invention, the emergent aquatic plants are Phragmites communis, Scirpus tabernaemontani, and Juncus effuses, and the shrub and grass planting region plants are amorpha fruticosa, birch, Althaea rosea, oilseed rape, and Rumex acetosa.
In some embodiments of the present invention, the planting substrate layer is blasted for 3-4 months and 3-5cm thick, and the seed layer is blasted for 2cm thick from 4 to 5 months.
Compared with the prior art, the invention has the beneficial effects that: in the provided artificial wetland system, the sand settling device plays a role in sediment sedimentation in the water-rich period, so that sediment accumulation of the wetland and direct erosion of the wetland by river water are prevented, and a higher water content of an artificial wetland area is maintained after the water level falls back, thereby providing favorable conditions for plant growth; the problem that the existing artificial wetland technology is not suitable for being applied to the Jiangxian continents and the river flood beaches is effectively solved; the exposed areas of the Jiangxin continents and the flood plain in the dry season can be reduced, the wind and sand source is reduced, and the sediment accumulation is prevented to further expand the Jiangxin continents and the flood plain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a sectional view of constructed wetlands constructed on the continents of the centers of the Yangtze river and the flood plain.
In the figure: 1. heart continents and river flood beaches; 2. water level in dry season; 3. a first-stage ladder; 4. a second step; 5. a front retaining wall; 6. a rear retaining wall; 7. a base; 8. and a fixing component.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
An artificial wetland system for estuary continents and flood beaches, see fig. 1, comprising the steps of:
1) the artificial wetland is arranged into a two-stage step type, wherein the first-stage step is an emergent aquatic plant planting area, and the second-stage step is a shrub and grass mixed planting area;
2) a sand setting device is arranged on the outer side of the first-stage ladder of the artificial wetland;
3) spraying 3-5cm of erosion-resistant planting matrix layer on the surface of the artificial wetland area;
4) respectively selecting plants in emergent aquatic plant growing areas and arbor and shrub mixed growing areas according to local climatic environment conditions;
5) and mixing the seeds into the matrix, and spraying the mixture on the surface of the planting matrix layer in the corresponding area to form a seed layer of 2 cm.
And further, dividing the artificial wetland into two stages 4 according to the average value of the flooding depths in the full-year flooding period, wherein the maximum flooding depth range of the first stage 3 is 0.3-1.0 m and is an emergent aquatic plant planting area, and the maximum flooding depth range of the second stage 4 is less than or equal to 0.3m and is a shrub and grass mixed planting area.
Further, the construction of the sand setting device, the sand setting device is of a concrete structure and comprises a front retaining wall 5, a rear retaining wall 6, a base 7 and a fixing part 8, wherein the height of the front retaining wall 5 is 0.3m, the front retaining wall is in the shape of a right triangle, the ratio of the bottom edge to the height of the front retaining wall is 3:1, the height range of the rear retaining wall 6 is 0.6m, the length of the base 7 of the rear retaining wall is 1.5m, the length of the fixing part 8 is 0.5m, a groove needs to be dug in advance in a sand ground, the sand setting device is arranged and installed in a heart shoal and a river flood plain 1 in a dry season, the fixing part 8 is placed in the sand ground and then backfilled and compacted, and the structure of the front retaining wall 5 and the fixing part 8 can ensure that the sand setting device can bear high-strength hydraulic impact.
Furthermore, a plurality of sand setting devices are arranged and assembled, the sand setting devices are tightly connected through connecting components, a circle is tightly surrounded at the periphery of an artificial wetland area defined in a river center continent according to the constructed position of the artificial wetland, the sand setting devices are tightly arranged in a row at the periphery of the artificial wetland area defined in a river flood bank, the falling speed of the water level in the wetland is reduced, and the position of the sand setting devices is above 22 water level in the dry season.
Further, plant species are selected, emergent aquatic plants are reed, allium mongolicum regel and juncus effuses according to the local climate environmental conditions and the periodic change rule of water level, shrubs in the irrigation and grass planting areas are amorpha fruticosa and birch trees, and herbaceous plants are hollyhock, rape and rumex acetosa.
Further, spraying the substrate layer and the seed layer of the artificial wetland according to the following volume ratio: 35% of silt, 20% of planting soil, 5% of bentonite, 39.91% of highland barley straw decomposed matter, 0.03% of granulating agent and 0.06% of stabilizing agent, adding the materials into spray-seeding equipment, adding water, stirring uniformly, and adding the granulating agent and the stabilizing agent to ensure that the substrate resists periodic water erosion and wind erosion and provide stable attachment for the growth of plants.
Furthermore, in 3 months, planting matrix layers with the thickness of 3-5cm are sprayed on emergent aquatic plant planting areas and irrigation and grass mixed planting areas.
Further, in the last 5 th month, after the temperature is suitable for seed germination and plant growth, corresponding seed layers are sprayed on the planting substrate layers of the emergent aquatic plant planting area and the shrub and grass mixed planting area respectively, and the thickness of the seed layers is about 2 cm.
Furthermore, the sediment inside the sand setting device can be cleaned after the water level falls back, and a mechanical or manual cleaning mode can be adopted.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An artificial wetland system for estuary continents and flood beaches is characterized by comprising the following steps:
1) the artificial wetland is arranged into a two-stage step type, wherein the first-stage step is an emergent aquatic plant planting area, and the second-stage step is a shrub and grass mixed planting area;
2) a sand setting device is arranged on the outer side of the first-stage ladder of the artificial wetland;
3) spraying 3-5cm of erosion-resistant planting matrix layer on the surface of the artificial wetland area;
4) respectively selecting plants in emergent aquatic plant growing areas and arbor and shrub mixed growing areas according to local climatic environment conditions;
5) and mixing the seeds into the matrix, and spraying the mixture on the surface of the planting matrix layer in the corresponding area to form a seed layer of 2 cm.
2. The constructed wetland system for the jiangxin continents and the flood beaches of the claim 1, wherein the maximum flooding depth of the first-stage step ranges from 0.3m to 1.0m, and the maximum flooding depth of the second-stage step ranges from less than or equal to 0.3 m.
3. The constructed wetland system for the jiangxin continents and the flood beaches according to claim 1, wherein the sand settling device is of a concrete structure and comprises a front retaining wall, a rear retaining wall, a base and a fixing part, the front retaining wall has a height ranging from 0.2 to 0.3m, is in the shape of a right triangle, and has a ratio of a base to a height of (2-4): 1, the rear retaining wall has a height ranging from 0.4 to 0.6m, and has a base length of 1.0 to 1.5m, and the fixing part has a length ranging from 0.3 to 0.5m, and is buried in sand.
4. The constructed wetland system for the estuary continents and flood beaches of claim 1, wherein a plurality of sand settling devices are provided, and the plurality of sand settling devices are assembled, closely connected by a connection member, and arranged around the estuary continents or on the periphery of the flood beaches.
5. An artificial wetland system for a Jiangxian continent and a flood plain according to any one of claims 1, 3 or 4, wherein the sand settling device is used for cleaning sediment in the device after the water level falls back.
6. The constructed wetland system of claim 1, wherein the plant substrate layer and the seed layer are formulated in the following volume ratio: 35% of silt, 20% of planting soil, 5% of bentonite, 39.91% of decomposed highland barley straw, 0.03% of aggregating agent and 0.06% of stabilizing agent.
7. The constructed wetland system of claim 1, wherein the emergent aquatic plants are reed, allium mongolicum regel and juncus effuses, and the shrub and grass plantation plants are amorpha fruticosa, birch, hollyhock, rape and sorrel.
8. The constructed wetland system for estuaries and floodbeaches of claim 1, wherein the planting substrate layer is sprayed for 3-4 months and 3-5cm in thickness, and the seed layer is sprayed for 4 to 5 ten days in the middle of the month and 2cm in thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210386859.5A CN114804515B (en) | 2022-04-13 | 2022-04-13 | Constructed wetland system for river-core continent and flood plain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210386859.5A CN114804515B (en) | 2022-04-13 | 2022-04-13 | Constructed wetland system for river-core continent and flood plain |
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| CN114804515A true CN114804515A (en) | 2022-07-29 |
| CN114804515B CN114804515B (en) | 2024-06-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201176582Y (en) * | 2008-01-16 | 2009-01-07 | 付杨超 | Sand-depositing and slag-blocking facilities |
| CN102531182A (en) * | 2011-12-30 | 2012-07-04 | 南京大学 | System for purifying micro-polluted water flowing to reservoirs (lakes) and repairing ecological wetlands |
| CN105417712A (en) * | 2015-12-01 | 2016-03-23 | 中国科学院东北地理与农业生态研究所 | Construction method of ecological river branch in floodplain wetland in plain area |
| CN107010787A (en) * | 2017-05-15 | 2017-08-04 | 河海大学 | It is a kind of to block the native dirty system of sand setting drop suitable for hills area dyke |
| CN207392130U (en) * | 2017-10-31 | 2018-05-22 | 安徽省高迪科技有限公司 | A kind of ecology block stone revetment structure |
| US20180320356A1 (en) * | 2017-05-02 | 2018-11-08 | Thomas Wang | River course ecological treatment system |
| CN108978590A (en) * | 2018-08-14 | 2018-12-11 | 上海勘测设计研究院有限公司 | Sediment trapping formula soil and water conservation ecological shore protection |
| CN214783604U (en) * | 2021-01-14 | 2021-11-19 | 上海宏波工程咨询管理有限公司 | A plant groove structure for bank slope water level fluctuation district |
| CN216074963U (en) * | 2021-10-26 | 2022-03-18 | 河海大学设计研究院有限公司 | River beach wetland ecosystem |
| US20230175221A1 (en) * | 2019-09-15 | 2023-06-08 | Soochow University | Fluctuation zone state slope protection system that responds to hydrological changes |
-
2022
- 2022-04-13 CN CN202210386859.5A patent/CN114804515B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201176582Y (en) * | 2008-01-16 | 2009-01-07 | 付杨超 | Sand-depositing and slag-blocking facilities |
| CN102531182A (en) * | 2011-12-30 | 2012-07-04 | 南京大学 | System for purifying micro-polluted water flowing to reservoirs (lakes) and repairing ecological wetlands |
| CN105417712A (en) * | 2015-12-01 | 2016-03-23 | 中国科学院东北地理与农业生态研究所 | Construction method of ecological river branch in floodplain wetland in plain area |
| US20180320356A1 (en) * | 2017-05-02 | 2018-11-08 | Thomas Wang | River course ecological treatment system |
| CN107010787A (en) * | 2017-05-15 | 2017-08-04 | 河海大学 | It is a kind of to block the native dirty system of sand setting drop suitable for hills area dyke |
| CN207392130U (en) * | 2017-10-31 | 2018-05-22 | 安徽省高迪科技有限公司 | A kind of ecology block stone revetment structure |
| CN108978590A (en) * | 2018-08-14 | 2018-12-11 | 上海勘测设计研究院有限公司 | Sediment trapping formula soil and water conservation ecological shore protection |
| US20230175221A1 (en) * | 2019-09-15 | 2023-06-08 | Soochow University | Fluctuation zone state slope protection system that responds to hydrological changes |
| CN214783604U (en) * | 2021-01-14 | 2021-11-19 | 上海宏波工程咨询管理有限公司 | A plant groove structure for bank slope water level fluctuation district |
| CN216074963U (en) * | 2021-10-26 | 2022-03-18 | 河海大学设计研究院有限公司 | River beach wetland ecosystem |
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| CN114804515B (en) | 2024-06-04 |
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