CN105858898B - A kind of method for repairing water ecology - Google Patents
A kind of method for repairing water ecology Download PDFInfo
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- CN105858898B CN105858898B CN201610277737.7A CN201610277737A CN105858898B CN 105858898 B CN105858898 B CN 105858898B CN 201610277737 A CN201610277737 A CN 201610277737A CN 105858898 B CN105858898 B CN 105858898B
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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
- 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
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention belongs to ecological restoration technical fields, and in particular to a kind of method for repairing water ecology.Method for repairing water ecology provided by the invention is：The water surface is first cleaned, then plants planting submerged plant, emergent aquactic plant and floatingleaved plant respectively, and launch aquatic animal.Water remediation method provided by the invention is to handle underwater mud using plant blanket original position cladding process, and emergent aquactic plant fixes root system with pollution-free clay, is swum, emergent aquactic plant uses releasing type implantation methods.Water plant provided by the invention can provide attachment symbiosis space for microorganism, provide food source for aquatic animal, fish and shellfish is thrown when aquatic plants growth is stablized, form fast simple water body Forest Evolution System.Method for repairing water ecology provided by the invention can not only reach fixed underwater mud, repair natural ecological environment, the effect for keeping water quality persistently limpid, while can also provide habitat for fish and birds, form certain river discharges.
Description
Technical field
The invention belongs to ecological restoration technical fields, and in particular to a kind of method for repairing water ecology.
Background technology
Currently, China's city river about 50% is entered by different degrees of pollution due to the influence of mankind's activity
Polluter in water body environment is more and more, when pollutant runs up to certain limit in water body will be aquatic to water body-
Plant-aquatic animal system generates serious harm, and itself being good for for the mankind may be directly or indirectly influenced by food chain
Health.
The reparation of polluted-water is an arduous engineering, is common in the river in city, creek due to various sanitary sewages
Be discharged into, in addition river lack self-purification capacity, common river water is black smelly, bed-silt accumulation, river surface cyanobacteria floating, water quality eutrophy
Change the problems such as serious.Physics and chemical remediation not only invest it is huge but also palliative, and using water plant repair get dirty
Dye water body is not only invested small, efficient, and can be restored stream self-purification ability, can be brought higher environmental ecological benefit.
Currently, water pollution genesis mechanism and repairing research are always one of field of people's attention, from technical principle
It sees, these technologies can be divided into physical method, chemical method, biological method, ecological method etc., it is biology that water plant, which is repaired,
General technology in method and ecological method.
Chinese patent CN101575144B discloses a kind of method for repairing water ecology, the method for repairing water ecology
For：（a）A kind of algivorous insect is tamed, for the cyanobacteria in water body of ingesting；（b）Planting submerged plant is planted in the bottom, the heavy water is planted
Object includes at least one of following plant：Water caltrop, eel grass, thorn eel grass, dragon's tongue, p.malaianus, comb tooth bog pondweed, micro- tooth
Bog pondweed, plum blossom algae, watermifoil, waterweed, hydrilla verticillata, stonewort, small najas marina, najas marina and hornwort；（c）Microorganism is put into,
The microorganism can be with algivorous insect symbiosis；（d）It is put into advanced aquatic animal.This method is to launch algivorous insect to by cyanobacteria to pollute
Eutrophic water body in, the wherein algivorous insect cyanobacteria in water body that ingests repairs the underwater ecological balance, shape to purifying water body
At water ecology self-cleaning.But the biology after input domestication is difficult to control, and be easy to cause biological infestation, is destroyed natural environment, is led
The phenomenon that causing ecosystem collapse.
Chinese patent patent application 201410054548.4 discloses a kind of structure side of sustainability ecoscape water body
Method, the construction method are：（1）The structure of water body agent structure includes the setting of water body dip of shore horizon（15-25 ° is advisable）, bottom
The leveling of portion's soil and Anti-seeping technology, the laying of argillic horizon and disinfection, water-bed complicated habitat, ecological revetment and cut building for dirty canal
It makes；（2）The structure of higher aquatic plants group, including emergent aquactic plant, floatingleaved plant and submerged plant；Emergent aquactic plant is mainly：
The several plants such as cattail, calamus, thaliadeabata, iris, Scirpus tabernaemontani, mullet grass, reed, cyperus alternifolius it is appropriately combined；Floatingleaved plant is
One or more combinations of water lily, Wang Lian, Gorgon fruit, Tian Ziping, water chestnut etc.；Submerged plant is eel grass, hydrilla verticillata, Honoka fox-brush
The several combination by a certain percentage such as algae, hornwort, water caltrop, waterweed；（3）The structure of benthic fauna；（4）It swims dynamic
The structure of object group；（5）The structure of Fish Communities；（6）The structure of microbiologic population.This method construct one it is complete aquatic
The ecosystem makes each group's self-control in system, mutually utilizes, and reaches the state of a kind of order equilibrium and sustainable development,
While beautiful, anti-interference ability improve, can self health operation, save operation and maintenance cost.But this method operation is multiple
It is miscellaneous, cumbersome, it is of high cost, and also the dispensing of micropopulation is difficult to control, and is unfavorable for large-scale promotion and application.
Invention content
Insufficient existing for method for repairing water ecology in the prior art in order to solve, the purpose of the present invention is to provide one kind
Method for repairing water ecology, to solve drawbacks described above.The water remediation method of the present invention is to utilize heavy water, swim, endure three kinds of water
A variety of water plants of biotype, using the planting patterns of cladding process in situ and dispensing method, in river-flow waters, inner lead
Water-bed Forest Evolution System is built in domain, and assists input fish and shellfish, and the complete ecosystem, and the ecosystem are formed after repairing water body
System also has certain river ornamental value, and the water-bed ecosystem is made to keep Recycle mechanism.
The present invention provides a kind of method for repairing water ecology, include the following steps：
The S1 waters surface are cleared up：The floating material of the water surface is collected cleaning, so that water-bed light transmission depth is reached 1-1.5m, and in flow
Inlet disposes the 10x10cm mesh silk floss synthetic fibre nets of 0.8-1.2m depths；
S2 submerged plant plantings：Non-woven fabrics is taken to beat square aperture, aperture 4-6cm, by hornwort, watermifoil, the leaf of bamboo
Bog pondweed, black algae, water caltrop, eel grass and 7 kinds of dragon's tongue submerged plant press 1:1:1:1:1:1:1 ratio is inserted into the aperture of non-woven fabrics
In, submerged plant blanket is obtained, and it is in the regions below 1m that submerged plant blanket is fixed on water depth with stone；
S3 emergent aquactic plants are planted：By 6 kinds of Lythrum salicaria, cattail, reed, calamus, canna and damp sedge emergent aquactic plant difference
It is planted in seedlings nursing plate after 3-5 days, emergent aquactic plant is detached from seedlings nursing plate, and even soil input lay has submerged plant blanket, depth of water 1m-
At 1.5m, planting density is 20-30cm/ plants, and the coverage rate of 6 kinds of emergent aquactic plants is：Lythrum salicaria 10-20%, cattail 15-
35%, reed 18-30%, calamus 12-28%, canna 5-10% and damp sedge 10-25%；
S4 floating plants are planted：Floating heart, duckweed are met into one or more collocation in grass, water chestnut, wheel blade Myriogyne minuta and water opium poppy
It is planted in above submerged plant, density is 3-5 plants/m2；
S5 aquatic animals are launched：Submerged plant, emergent aquactic plant and floating plant are reseeded after planting 15-20 days, reseed
30-45 days afterwards, bighead, silver carp, snakeheaded fish and catfish are launched into water body, fry is the small fish of 4-6cm long, throw-in density 300-
500/mu, it is 100-120/mu to launch apple spiral shell, stone volume shellfish, red tail shrimp and southern pond crayfish, throw-in density.
Further, the hole count of the horizontal direction of the non-woven fabrics in the step S2 is 7 multiple.
Further, the spacing of the Kong Yukong of the non-woven fabrics in the step S2 is 10-12cm.
Further, in the step S2 7 kinds of submerged plants successively press hornwort, watermifoil, potamogeton malaianus, black algae,
The sequence of water caltrop, eel grass and dragon's tongue is inserted in the aperture of lateral non-woven fabrics.
Further, the preparation method of seedlings nursing plate is in the step S3：It is the seedling-growing container of 10x10x15cm to take specification, will
Clay coats cave bottom and the surrounding of seedlings nursing plate, and the thickness of clay is 0.8-1.2cm, when clay is dried to 75-85%, filling
The sandy soil being made of the clay of 80-90% and 10-20% to get.
Further, the coverage rate of 6 kinds of emergent aquactic plants is in the step S3：Lythrum salicaria 14%, cattail 22%, reed 26%,
Calamus 24%, canna 8% and damp sedge 18%.
Further, the supply volume ratio of bighead in the step S5, silver carp, snakeheaded fish and catfish is 4-6:2-4:1-2:
1-2。
Further, the supply volume ratio of bighead in the step S5, silver carp, snakeheaded fish and catfish is 5:3:1:1.
Further, apple spiral shell, stone volume shellfish, red tail shrimp and the supply volume ratio of southern pond crayfish are 1-2 in the step S5:
1-3:1-2:4-6
Further, apple spiral shell, stone volume shellfish, red tail shrimp and the supply volume ratio of southern pond crayfish are 1 in the step S5:2:
1:5。
Submerged plant blanket provided by the invention can make the water pollution of the nutritive salt of various concentration, flowing or static state
Go out sensitivity response, the hornwort that the present invention uses（Ceratophyllum demersum L.）, watermifoil（Myriophyllum verticillatum）, potamogeton malaianus（Potamogeton Malaianus Miq.）, black algae（Hydrilla verticillata）, water caltrop（Potamogeton crispusL.）, eel grass（Vallisneria natans (Lour.)
Hara）The dragon's tongue and（Ottelia alismoides）7 kinds of submerged plants can be with effective solution water according to the collocation of certain sequence
Body eutrophication problem；The present invention uses Lythrum salicaria（Lythrum salicaria L.）, cattail（Typha orientalis Presl）, reed（Phragmites australis(Cav.) Trin. ex Steud）, calamus（Acorus calamus
L.）, canna（Canna indicaL.）With damp sedge（Caldesiaparnassifolia(Bassi ex Linn.)
Parl.）6 kinds of emergent aquactic plants are planted by certain planting proportion, and effectively the pollutant in water body can be absorbed into plant,
Have the function that water body purification.
Further, the specific floatingleaved plant that the present invention chooses can significantly reduce total nitrogen in overlying water（TN）,
Total phosphorus（TP）, ammonia nitrogen（NH4-N）, permanganate index（CODMn）Level, improve dissolved oxygen（DO）Level.The present invention provides
Floatingleaved plant planting patterns：Floating heart is planted at bridge bottom or waters turn regional choice（Nymphoidespeltatum
(Gmel.) O. Kuntze）Grass is met with duckweed（Nuphar pumilum）；In deepwater regions, the excessive region of mud, selection plantation
Water chestnut（Trapa bispinosa Roxb.）；Ecological region planting wheel blade Myriogyne minuta more than rock bank（Centipeda minima (L.) A.
Br. et Aschers.）；Section more than pedestrian can transplant water opium poppy（Hydrocleys nymphoides）；Both it can reach and repair
The effect of demutation state can also reach preferable landscape effect.
Further, the present invention, which is used, launches bighead, silver carp of the food based on zooplankter, phytoplankton into river water,
Snakeheaded fish, catfish etc. based on carnivorous do not destroy the fish of phytobenthon, in addition launch the food algaes such as a small amount of apple spiral shell, stone volume shellfish
The food algae such as class mollusk and red tail shrimp, southern pond crayfish, spiral shell shrimp is and a small amount of by edible water plant after algae and floating material have been eaten
Spiral shell shrimp can provide food for fish, and the aquatic animal of rational density can control plant not spread unchecked growth, section animals and plants it is orderly
Growth constitutes intact ecocystem.
Water remediation method provided by the invention be using plant blanket original position cladding process handle underwater mud, emergent aquactic plant with
Pollution-free clay fixes root system, swims, emergent aquactic plant uses releasing type implantation methods.Water plant provided by the invention can be
Microorganism provides attachment symbiosis space, provides food source for aquatic animal, fish and shellfish is thrown when aquatic plants growth is stablized,
Form fast simple water body Forest Evolution System.Method for repairing water ecology provided by the invention can not only reach fixed water-bed silt
Mud repairs natural ecological environment, the effect for keeping water quality persistently limpid, while can also provide for fish and birds and inhabit field
Institute forms certain river discharges.
It is found through practice, uses submerged plant blanket provided by the invention；Planting 6 kinds of coverage rates is respectively：Lythrum salicaria 10-
20%, the emergent aquactic plant of cattail 15-35%, reed 18-30%, calamus 12-28%, canna 5-10% and damp sedge 10-25%；Collocation
Floating heart, duckweed meet one or more floating plants in grass, water chestnut, wheel blade Myriogyne minuta and water opium poppy；By 4-6:2-4:1-2:The number of 1-2
Amount ratio launches bighead, silver carp, snakeheaded fish and catfish, and throw-in density is 300-500 items/mu, by 1-2:1-3:1-2:The quantity of 4-6
Ratio launches apple spiral shell, stone volume shellfish, red tail shrimp and southern pond crayfish, and throw-in density is 100-120/mu, the water body forest system of composition
The transparency of water body can be improved compared with the water body before not processing in system, promotes 2cm or more, and total nitrogen content averagely reduces
70% or more, total phosphorus content averagely reduces by 78% or more, and ammonia-nitrogen content averagely reduces by 80% or more, and permanganate index averagely reduces
80% or more, dissolved oxygen ability improves 65% or more, and water quality totally reaches national surface water II-III class standards, restoration of the ecosystem effect
Fruit is notable.
Further, 1500m is reached in area2, in the waters of depth of water 2.0m, use water remediation method provided by the invention
Water quality after reparation is much improved, and compared with the control group, the water transparency of embodiment group averagely increases 4cm, always
Nitrogen content averagely reduces 75.5%, and total phosphorus content averagely reduces 80.2%, and ammonia-nitrogen content averagely reduces 82.5%, permanganic acid
Salt index averagely reduces 85.0%, and dissolved oxygen ability improves 70.6%, and water quality totally reaches national surface water II-III categories
Standard, Effect of Ecological Restoration are very notable.
Compared with prior art, water remediation method provided by the invention has the advantage that：
（1）Water plant and aquatic animal syntaxial system can be played synergistic effect by the present invention, and improvement Effects of Water Quality is notable,
Water transparency is improved, nutritive salt is reduced, is conducive to the foundation and recovery of water ecology；
（2）Method for repairing water ecology provided by the invention can promote material stream in aquatic ecosystem, energy stream, information
Stream, for other associations of plants and animals existence and inhabit and built good water body environment, effectively facilitate aquatic organism growth conditions shape
At, while improving water body and microorganism growth conditions in bed mud, be conducive to improve its pollution degradation substance efficiency, horn of plenty ecology
Diversity provides advantageous guarantee；
（3）Method for repairing water ecology provided by the invention is conducive to configuration structure, space-time structure and the battalion of water biological species
Structure is supported, natural food chain is formed, management service is convenient；
（4）Method for repairing water ecology provided by the invention focuses on natural, ecological, improves ecological security, advantageous water body ring
Border ecological construction.
Specific implementation mode：
The following describes the present invention further through the description of specific embodiments, but this is not the limit to the present invention
System, those skilled in the art's basic thought according to the present invention can make various modifications or improvements, but without departing from this
The basic thought of invention, is all within the scope of the present invention.
Embodiment 1, a kind of method for repairing water ecology
1500m is reached in water surface area2, water remediation is carried out in the river of depth of water 2.0m：
The S1 waters surface are cleared up：The floating material of the water surface is collected cleaning, so that water-bed light transmission depth is reached 1m, and in flow inlet
The 10x10cm mesh silk floss synthetic fibre nets of place's placement 0.8m depths；
S2 submerged plant plantings：Non-woven fabrics is taken to beat square aperture, between aperture 5cm, the Kong Yukong of the non-woven fabrics
Away from for 10cm, hornwort, watermifoil, potamogeton malaianus, black algae, water caltrop, eel grass and 7 kinds of dragon's tongue submerged plant are pressed 1:1:1:
1:1:1:1 ratio is sequentially inserted into the lateral aperture of non-woven fabrics, obtains submerged plant blanket, and submerged plant blanket is fixed on stone
Water depth is in the regions below 1m；
S3 emergent aquactic plants are planted：By 6 kinds of Lythrum salicaria, cattail, reed, calamus, canna and damp sedge emergent aquactic plant difference
It is planted in seedlings nursing plate after 4 days, the seedlings nursing plate is that specification is 10x10x15cm, and it is 1cm's that cave bottom and surrounding, which have thickness,
Clay, centre are filled with the sandy soil being made of 85% and 15% clay；It is heavy that emergent aquactic plant disengaging seedlings nursing plate even soil input lay is had
Water plant blanket, at depth of water 1mm, planting density is 25cm/ plants, and the coverage rate of 6 kinds of emergent aquactic plants is：Lythrum salicaria 14%, cattail
22%, reed 26%, calamus 24%, canna 8% and damp sedge 18%；
S4 floating plants are planted：Grass, water chestnut, wheel blade Myriogyne minuta and the collocation of water opium poppy is met to be planted in above submerged plant duckweed,
Density is 4 plants/m2；
S5 aquatic animals are launched：Submerged plant, emergent aquactic plant and floating plant are reseeded after planting 18 days, 40 after reseeding
It, bighead, silver carp, snakeheaded fish and catfish are launched into water body, and fry is the small fish of 4-6cm long, and throw-in density is 400/mu, institute
The supply volume ratio for stating bighead, silver carp, snakeheaded fish and catfish is 5:3:1:1；Launch apple spiral shell, stone volume shellfish, red tail shrimp and southern natural pond
Shrimp, throw-in density are 400/mu, and the apple spiral shell, stone volume shellfish, red tail shrimp and the supply volume ratio of southern pond crayfish are 1:2:1:
5。
Test example one, Water quality detection experiment
1, test method：Using the method for repairing water ecology of embodiment 1 after 2-3 months, to the total nitrogen of water quality
（TN）, total phosphorus（TP）, ammonia nitrogen（NH4-N）, permanganate index（CODMn）, dissolved oxygen（DO）It is measured, and to the saturating of water body
Lightness is observed, as a control group with the water body before not processing.Wherein：Total nitrogen is surveyed with reference to the method for GB11894-89
Fixed, total phosphorus is measured with reference to the method for GB11893-89, and ammonia nitrogen is measured with reference to the method for GB7481-87, permanganate
Index is measured with reference to the method for GB1892-89, and dissolved oxygen is measured with reference to the method for GB1913-89.
2, test result：
Test result is as shown in table 1.
1 Water quality of table detects test data
| Index | Control group | Embodiment group |
| Transparency（cm） | 28 | 32 |
| Total nitrogen（mg/L） | 3.51 | 0.86 |
| Total phosphorus（mg/L） | 0.28 | 0.06 |
| Ammonia nitrogen（mg/L） | 2.52 | 0.5 |
| Permanganate index（mg/L） | 10.54 | 1.85 |
| Dissolved oxygen（mg/L） | 5.49 | 9.36 |
As shown in Table 1, it is much improved using the water quality after water remediation method reparation provided by the invention, in face
Product reaches 1500m2, in the waters of depth of water 2.0m, compared with the control group, the water transparency of embodiment group averagely increases 4cm, always
Nitrogen content averagely reduces 75.5%, and total phosphorus content averagely reduces 80.2%, and ammonia-nitrogen content averagely reduces 82.5%, permanganic acid
Salt index averagely reduces 85.0%, and dissolved oxygen ability improves 70.6%, and water quality totally reaches national surface water II-III categories
Standard, Effect of Ecological Restoration are very notable.
Claims (9)
1. a kind of method for repairing water ecology, which is characterized in that include the following steps：
The S1 waters surface are cleared up：The floating material of the water surface is collected cleaning, so that water-bed light transmission depth is reached 1-1.5m, and in flow inlet
The 10x10cm mesh silk floss synthetic fibre nets of place's placement 0.8-1.2m depths；
S2 submerged plant plantings：Non-woven fabrics is taken to beat square aperture, aperture 4-6cm, by hornwort, watermifoil, leaf of bamboo eye
Dish, black algae, water caltrop, eel grass and 7 kinds of dragon's tongue submerged plant press 1:1:1:1:1:1:1 ratio is inserted into the aperture of non-woven fabrics,
Submerged plant blanket is obtained, and it is in the regions below 1m that submerged plant blanket is fixed on water depth with stone；
S3 emergent aquactic plants are planted：Lythrum salicaria, cattail, reed, calamus, canna and damp 6 kinds of emergent aquactic plants of sedge are planted respectively
In seedlings nursing plate after 3-5 days, emergent aquactic plant disengaging seedlings nursing plate even soil input, which is laid, submerged plant blanket, at depth of water 1m-1.5m,
Planting density is 20-30cm/ plants, and the coverage rate of 6 kinds of emergent aquactic plants is：Lythrum salicaria 10-20%, cattail 15-35%, reed
18-30%, calamus 12-28%, canna 5-10% and damp sedge 10-25%；
S4 floating plants are planted：One or more collocation in grass, water chestnut, wheel blade Myriogyne minuta and water opium poppy are met to plant floating heart, duckweed
Above submerged plant, density is 3-5 plants/m2；
S5 aquatic animals are launched：Submerged plant, emergent aquactic plant and floating plant are reseeded after planting 15-20 days, reseed rear 30-
45 days, bighead, silver carp, snakeheaded fish and catfish are launched into water body, fry is the small fish of 4-6cm long, throw-in density 300-500
Item/mu, it is 100-120/mu then to launch apple spiral shell, stone volume shellfish, red tail shrimp and southern pond crayfish, throw-in density.
2. method for repairing water ecology as described in claim 1, which is characterized in that the transverse direction of the non-woven fabrics in the step S2
The hole count in direction is 7 multiple.
3. method for repairing water ecology as described in claim 1, which is characterized in that the hole of the non-woven fabrics in the step S2 with
The spacing in hole is 10-12cm.
4. method for repairing water ecology as described in claim 1, which is characterized in that in the step S2 7 kinds of submerged plants according to
The secondary sequence by hornwort, watermifoil, potamogeton malaianus, black algae, water caltrop, eel grass and dragon's tongue is inserted in the aperture of lateral non-woven fabrics
In.
5. method for repairing water ecology as described in claim 1, which is characterized in that the preparation side of seedlings nursing plate in the step S3
Method is：It is the seedling-growing container of 10x10x15cm to take specification, clay is coated to cave bottom and the surrounding of seedling-growing container, the thickness of clay is
0.8-1.2cm, when clay is dried to 75-85%, sandy soil that filling is made of the clay of 80-90% and 10-20% to get.
6. method for repairing water ecology as described in claim 1, which is characterized in that bighead, silver carp, snakeheaded fish in the step S5
Supply volume ratio with catfish is 4-6:2-4:1-2:1-2.
7. method for repairing water ecology as claimed in claim 6, which is characterized in that bighead, silver carp, snakeheaded fish in the step S5
Supply volume ratio with catfish is 5:3:1:1.
8. method for repairing water ecology as described in claim 1, which is characterized in that apple spiral shell in the step S5, stone volume shellfish,
The supply volume ratio of red tail shrimp and southern pond crayfish is 1-2:1-3:1-2:4-6
9. method for repairing water ecology as claimed in claim 8, which is characterized in that apple spiral shell in the step S5, stone volume shellfish,
The supply volume ratio of red tail shrimp and southern pond crayfish is 1:2:1:5.
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| CN107804916A (en) * | 2017-11-17 | 2018-03-16 | 博元生态修复（北京）有限公司 | Ecosystem construction method in a kind of water body |
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| CN111547858A (en) * | 2020-05-20 | 2020-08-18 | 北京林业大学 | Method for treating water eutrophication by using various submerged plants and aquatic animals |
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| CN203700030U (en) * | 2013-10-11 | 2014-07-09 | 上海海洋大学 | Planting device flexibly fixed with submerged plants |
| CN204874031U (en) * | 2015-07-20 | 2015-12-16 | 北京清水生态环境工程股份有限公司 | Ecological clean system of fine motion power |
| CN105461076A (en) * | 2016-01-06 | 2016-04-06 | 中国科学院南京地理与湖泊研究所 | Method for recovery of submerged plant communities through submerged vegetation turf |
| CN205170504U (en) * | 2015-11-19 | 2016-04-20 | 上海市水产研究所 | Three -dimensional ecological bed that floats |
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2016
- 2016-04-28 CN CN201610277737.7A patent/CN105858898B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011026910A1 (en) * | 2009-09-07 | 2011-03-10 | Tetra Gmbh | Continuous purification of aquaculture water holding aquatic animals and/or aquatic plants |
| CN203700030U (en) * | 2013-10-11 | 2014-07-09 | 上海海洋大学 | Planting device flexibly fixed with submerged plants |
| CN204874031U (en) * | 2015-07-20 | 2015-12-16 | 北京清水生态环境工程股份有限公司 | Ecological clean system of fine motion power |
| CN205170504U (en) * | 2015-11-19 | 2016-04-20 | 上海市水产研究所 | Three -dimensional ecological bed that floats |
| CN105461076A (en) * | 2016-01-06 | 2016-04-06 | 中国科学院南京地理与湖泊研究所 | Method for recovery of submerged plant communities through submerged vegetation turf |
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