CN104787891A - Algal blooming ecological control system based on micro-terrain reconstruction, ecological method for controlling algal blooming and application - Google Patents

Algal blooming ecological control system based on micro-terrain reconstruction, ecological method for controlling algal blooming and application Download PDF

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Publication number
CN104787891A
CN104787891A CN201510130624.XA CN201510130624A CN104787891A CN 104787891 A CN104787891 A CN 104787891A CN 201510130624 A CN201510130624 A CN 201510130624A CN 104787891 A CN104787891 A CN 104787891A
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water
ecological
wetland
technology
vegetation
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崔丽娟
赵欣胜
李伟
张曼胤
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RESEARCH INSTITUTE OF FORESTRY NEW TECHNOLOGY CHINESE ACADEMY OF FORESTRY
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RESEARCH INSTITUTE OF FORESTRY NEW TECHNOLOGY CHINESE ACADEMY OF FORESTRY
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B1/00Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention discloses an algal blooming ecological control system based on micro-terrain reconstruction, an ecological method for controlling algal blooming and application, and belongs to the technical field of ecological engineering. The algal blooming ecological control system based on micro-terrain reconstruction integrates and adopts a terrain reconstruction technology, a wetland shore zone slope protection technology, a wetland vegetation planting technology and a hydrological Unicom technology. According to the ecological control system and the ecological method disclosed by the invention, the generation of the algal blooming can be effectively restrained, a large number of harmful algas generated after the algal blooming is collected at the same time, and the diffusion of the harmful algas to a near shore can also be intercepted, so that the adverse impact on nearshore water quality, island air environment and landscape is eliminated.

Description

A kind of algal bloom Ecological Control system based on micro-slope reconstruction, the ecological method controlling algal bloom and application
Technical field
The invention belongs to ecological engineering technology field, relate to a kind of algal bloom Ecological Control system based on micro-slope reconstruction, the ecological method controlling algal bloom and application.
Background technology
Over nearly 10 years, water eutrophication in wetland and algal bloom phenomenon occur again and again.To reduce as the water eutrophication in wetland of " kidney of the earth ", species diversity and biologic chain fragilityization problem is focus and the difficult point of wetland field discussion always.Along with development and the growth in the living standard of human social economy, domestic water, the industrial or agricultural water of people sharply increase, water eutrophication in wetland is on the rise, algal bloom phenomenon takes place frequently, as Taihu Lake blue-green alga blooms in 2007 and Chaohu Lake wawter blooms in 2010 etc. bring negative impact all to local productive life, severe jamming regional water use safety.Control water eutrophication in wetland although take various measures to and slow down algal bloom outburst frequency, but no matter be Sources controlling (as pollution of area source control and Sediment Dredging etc.) abatement loads of nutrition, still adopt various except algae measure (as manually salvaged and throwing in algicide etc.), all fail to achieve the desired result or only effective in a short time, the collapse because adopting physics or chemical process improperly to exacerbate originally fragile Wetlands ecosystems on the contrary had.
Domestic and international in lake wawter bloom control Treatment process method at present, substantially can be summed up as Physical, biological process and chemical method.Physical method cost is high, uneconomical, fundamentally can not get rid of the hormesis of nutritive ingredient to algae.Such as aeration oxygen replenishing equipment, demanded driving force greatly, costly, more effective to closed water body.Separate layer mixing only the degree of depth be in the water body of more than photic zone depth of water twice just effectively; Under water scarcity situation, a large amount of diversion is washed away inadvisable; Receive algae equipment larger by the impact of power and scope of activity and efficiency.Chemical method is the breeding being controlled algae in water by screening or synthetic chemistry medicament, the chemical products of the performance safety of a certain or several synthesis is thrown in safe and reliable dosage, thus the object of algae can be reached rapidly, and in certain hour section, the effect of Developing restraint can be produced to algae.But chemical method easily causes medicament to remain, and also can produce secondary pollution, damage water surrounding while improving water surrounding.Biological process mainly from the angle of ecology, by interbiotic nutrient competition with herd food relation and control wawter bloom.Biological method, it is emphasised that from the management of the whole ecosystem, control algae from nutrition link, mainly at present adopts the methods such as microbial method control, algophagous, waterplant suppression.Biological process advantage is that method is simple.But current biological and ecological method is all difficult to the generation effectively suppressing algal bloom.
Summary of the invention
According to demand and the deficiency in above-mentioned field, the invention provides a kind of algal bloom Ecological Control system based on micro-slope reconstruction, the ecological method controlling algal bloom and application.Algal bloom Ecological Control system of the present invention and ecological method not only effectively can suppress the generation of algal bloom, collect a large amount of harmful algaes that algae " wawter bloom " produces later simultaneously, also can tackle harmful algae and be diffused into offshore, eliminate the disadvantageous effect to air ambient and view on coastal waters water quality, island.
Technical scheme of the present invention is as follows:
Based on an algal bloom Ecological Control system for micro-slope reconstruction, it is characterized in that, described control system integration have employed topography reform technology, wetland bank band bulkhead tech, muskeg planting technology and hydrology UNICOM technology.
Described hydrology UNICOM technology mainly comprises: dig small face, link up small face, local is deep-cut and region backwater four kinds of methods; Be intended to adjust water shape, scale, space layout, stablize water surface area, optimize water resource assignment general layout in wetland recovery region, re-established horizontal connection good between water body and vertical linkage.
Described topography reform mainly comprises: construction shoal wetland, regular small-size water surface and construction habitat island; Be intended to cut the steep or too high landforms of low mistake, smooth local landform with the needs of applicable birds, the shape of building habitat island, regular small-size water surface, improve and build the living environment of muskeg and aquatic bird, increase heterogeneity and the stability in wetland habitat.
Described muskeg planting technology mainly comprises: recover small-size water surface vegetation, recover large-scale water surface vegetation, recover ordinary water level exposure beach vegetation, recover below ordinary water level vegetation, recover waterfront band vegetation, recover isolation strip vegetation and recover Gu Po and bank zone vegetation; Being intended to by planting suitable wetland plant, building the muskeg structure of community optimized, appropriateness regulation and control Wetland Communities succession direction, builds the environment of suitable wetland animal survival, repairs the wetland ecotourism chain of degenerating.
Described wetland bank band bulkhead tech mainly comprises: timber bank protection, pitched work, ecology bag bank protection and ecological concrete brick bank protection; Being intended to by configuring the natural immobilization material side plantation root system that borders on the river more flourishing in the waterplant of set soil, strengthening bank band anti-current-rush and resist collapse ability, ensure the fast quick-recovery of the firm and vegetation of sloping bank; Described timber comprises part timber alive; Described natural immobilization material is blocks of natural stone, timber, ecological brick.
Above-mentioned algal bloom Ecological Control systematic difference.
Control an ecological method for algal bloom, it is characterized in that, described method integration have employed topography reform technology, wetland bank band bulkhead tech, muskeg planting technology and hydrology UNICOM technology.
First described method utilizes excavator the bed mud of river body to be dug out accumulation and forms multiple cofferdam, then in different cofferdam, plants different waterplant; Extend to 5-15m distance in water body from cofferdam bank band and water body junction, the depth of water plants emergent when 0 ~ 30cm; To the place kind planting submerged plant of the not super 2m of the middle depth of water of water body from border, emergent district; Cofferdam is planted humidogene or moisture loving plant.
The present invention utilizes water movement effect to realize collecting a large amount of harmful algaes of algae " wawter bloom " generation later, carries out harmless treatment by artificial measures; The present invention also can tackle harmful algae and be diffused into offshore, eliminates the disadvantageous effect to air ambient and view on coastal waters water quality, island.
Waterline classifying (hydrology UNICOM technology): hydrology UNICOM technology is mainly used in the degraded wetland that hydrologic condition is destroyed.Hydrology UNICOM technology is adjusted water shape, scale, space layout by engineering measure, stablize water surface area, optimize water resource assignment general layout in wetland recovery region, horizontal connection good between water body and vertical linkage (namely making to be interconnected between each water body) are re-established, improve Wetland Environment, ensure the normal input and output of Wetlands ecosystems nutritive substance, regulate the moisture condition of wetland ecotourism group.Hydrology UNICOM technology mainly comprises: dig small face, link up small face, local is deep-cut and region backwater four kinds of methods.
Dig small face technology: by excavating the bank crossing small face, expanding water surface wetted area, increasing waterflooding area.
Link up small face technology: by being communicated with adjacent small face of crossing, constructing stepped appearance string data bubble system, strengthening naturally osmotic between water body, set up the hydrology UNICOM of horizontal direction, increasing water column stability.
Technology is deep-cut in local: carry out local by the region more shallow to water body and deep-cut, and strengthens the hydrology UNICOM of vertical direction between water table aquifer, increases the wetland local water yield.
Region backwater technology: build small-sized backwater in region downstream area, stay drainage facility, controls the loss of water, increases the stability of regional water bulk area and the water yield.
Topography reform technology: topography reform technology is mainly used in the transformation of degraded wetland topography and geomorphology, builds the control environment of wetland ecotourism existence.The shape of the steep or too high landforms of low mistake, smooth local landform (being applicable to the needs such as birds), construction habitat island, regular small-size water surface is cut by engineering measure, improve and build the living environment of muskeg and aquatic bird, increase heterogeneity and the stability in wetland habitat.Topography reform mainly comprises: construction shoal wetland, regular small-size water surface and construction habitat island.
Shoal wetland afforestation technique: by carrying out local prepartion of land to closing on the up-and-down open location of the water surface, scabble too high physical features, builds the free environments that suitable muskeg grows and aquatic bird perches.
The regular technology of small-size water surface: by carrying out regular to the shape of small-size water surface, increases the stability of wetland.
Habitat island Planting Techniques: for the habitat requirement of different sorts aquatic bird, builds the island that suitable aquatic bird perches at the open water place of distance bank certain distance.
Matrix constructing technology: this technology is for wetland plant and biologic chain are recovered to provide excellent habitat, and the matrix namely built can promote that the growth of biology is multiplied, relates generally to soil comparatively barren or lack the recovery of degraded wetland of loamy soil.By engineering measure, backfill loamy soil is carried out to the barren region of nutrition, strengthen the ability that Wetland Substrate stores moisture and nutritive substance, improve the pipeline of Wetlands ecosystems nutritive substance, for soil organisms provides breeding place, for vegetation provides good nutritional condition, for the animals such as birds provide habitat.Matrix constructing technology mainly comprises: back-filling in layers loamy soil, plantation hole backfill loamy soil and planting groove backfill loamy soil.
Back-filling in layers technology: in the open area of soil depletion, back-filling in layers meets the soil that muskeg growth requires, recovers Wetland Substrate.
Plantation hole backfill technology: within the scope of recovery district, excavates the plantation hole backfill loam of different size.
Planting groove backfill technology: at the bank band of soil depletion, excavates plant growing groove, backfill loam.
Muskeg planting technology: mainly wetland plant is distributed rationally and to be applied to vegetation coverage lower or without the degraded wetland of vegetative coverage.By planting suitable wetland plant, build the muskeg structure of community optimized, appropriateness regulation and control Wetland Communities succession direction, builds the environment of suitable wetland animal survival, repairs the wetland ecotourism chain of degenerating.Muskeg planting technology mainly comprises: recover small-size water surface vegetation, recover large-scale water surface vegetation, recover ordinary water level exposure beach vegetation, recover below ordinary water level vegetation, recover waterfront band vegetation, recover isolation strip vegetation and recover solid slope bank zone vegetation.
Small-size water surface technology for recovering vegetation: based on clear-cutting forestland.
Large-scale water surface technology for recovering vegetation: to broadcast sowing the propagulum of heavy water and floating plant in right amount, as watermifoil, Herba potamogetonis distincti, floating heart etc.
Ordinary water level exposure beach technology for recovering vegetation: to plant the seedling of short hygrophyte.
The following technology for recovering vegetation of ordinary water level: to plant seedling or the propagulum of tall and big emergent.
Waterfront band technology for recovering vegetation: to plant propagulum or the seedling of humidogene shrub.
Isolation strip technology for recovering vegetation: to plant tall and big tree and shrubs.
Gu Po and bank zone vegetation recovery technology: to plant the shrub of well developed root system.
Wetland bank band bulkhead tech: be mainly used in and be easily subject to water impact and hold givey location.By natural immobilization materials such as configuration blocks of natural stone, timber (part timber alive), ecological bricks, the side plantation root system that borders on the river is more flourishing can the waterplant of set soil, strengthen bank band anti-current-rush and resist collapse ability, ensure the fast quick-recovery of the firm and vegetation of sloping bank.Bank band bulkhead tech mainly comprises: timber bank protection, pitched work, ecology bag bank protection and ecological concrete brick bank protection.
Timber bulkhead tech: timber bank protection in a row closely squeezes into steeper slope perpendicular to horizontal plane with willow stake.Part pile body can survive, and forms hedgerow, strengthens protection effect.Domaticly cover thin solum, the per nnial herb of plantation well developed root system and small shrub.
Pitched work technology: pitched work technology, mainly macadamize in the firm domatic lower floor of closing on waterside place of needs and establish, on lay two circle, two-layer 30-50cm block stone, with the action of gravity set loam of block stone, prevent water impact from corroding, cover thin solum on domatic, and plantation is domatic based on the slope-protecting plant set of false indigo, sea-buckthorn and purple willow.
Ecology bag bulkhead tech: be mainly used in the bank area, shore of easily washing in a pan erosion by current, according to the layered stacked ecology bag filling filling substrate in bank slope direction, be connected with snap close between ecology bag with ecology bag, the matrix such as sandy soil, loam can be filled in ecology bag, and the cross opening of different size can be scratched on ecology bag, the breeding young of wetland plant seed or wetland plant can be broadcasted sowing.
Ecological concrete brick bulkhead tech: be mainly used in easily by the bank region that ripples erosion is easily caved in, employing ecological brick is piled up, utilize its action of gravity set bank band, stop the further erosion of current, and the wetland plant of planting well developed root system can be selected, build wetland habitat, increase wetland landscape effect.
the present invention is based on the beneficial effect of the algal bloom Ecological Control system of micro-slope reconstruction:
The present invention can utilize water movement effect to realize collecting a large amount of harmful algaes of algae " wawter bloom " generation later, carries out harmless treatment by artificial measures; Engineering also can be tackled harmful algae and is diffused on the bank, eliminates the disadvantageous effect to air ambient and view on coastal waters water quality, island.
Accompanying drawing explanation
Fig. 1 is single-line wood pile bank protection schematic diagram;
Fig. 2 is double timber bank protection schematic diagram;
Fig. 3 is slope vegetation protection schematic diagram;
Fig. 4 is gravel pitched work schematic diagram;
Fig. 5 is zoology bank protection schematic diagram;
Fig. 6 is ecological concrete revetment schematic diagram;
Fig. 7 is work arrangement figure of the present invention;
Fig. 8 is the SD changing trend diagram of the water body after embodiment 1 processes;
Fig. 9 is the pH changing trend diagram of the water body after embodiment 1 processes;
Figure 10 is the TN changing trend diagram of the water body after embodiment 1 processes;
Figure 11 is the TP changing trend diagram of the water body after embodiment 1 processes;
Figure 12 is the CODMn changing trend diagram of the water body after embodiment 1 processes;
Figure 13 is the Chla changing trend diagram of the water body after embodiment 1 processes;
Figure 14 is the water body algae amount of cancellation variation diagram during Blue-green Algae Fast Growth during 2013 after embodiment 1 processes.
Embodiment
Following embodiment is provided to be to understand the present invention further better; be not limited to described preferred forms; content of the present invention and protection domain are not construed as limiting; anyone is under enlightenment of the present invention or any and the present invention the present invention being carried out combining with the feature of other prior aries and draw is identical or akin product, all drops within protection scope of the present invention.
If do not specialize, the conventional means that technique means used in embodiment is well known to those skilled in the art.Material used in the present invention, if no special instructions, is commercial sources and obtains, or prepare with normal experiment method; Test method used in embodiment, if no special instructions, is normal experiment method well known to those skilled in the art.
Embodiment 1.
(1) eutrophication water is processed
Bring into use the water body in the Taihu Lake of the algal bloom Ecological Control system process eutrophication based on micro-slope reconstruction of the present invention on November 20th, 2009.
Control engineering design comprises substantially: algae " wawter bloom " integrated control system Integrated predict model topography reform, Wetland ecological shore protection, wetland plant are distributed rationally, biologic chain is recovered and the multiple technologies such as waterpower UNICOM, and concrete engineering comprises the design of water bank, waterline classifying, animal and plant recovery etc.Engineering is divided into six processing units, utilizes water movement effect to realize collecting a large amount of harmful algaes of algae " wawter bloom " generation later, carries out harmless treatment by artificial measures; Engineering also can be tackled harmful algae and is diffused into Sanshan Island offshore, eliminates the disadvantageous effect to air ambient and view on coastal waters water quality, island.
First utilize excavator to be dug out by the bed mud in Taihu Lake in embodiment 1 and pile up the multiple cofferdam of formation, then in different cofferdam, plant different waterplant.Wherein, main plant communities in ①He② district (Fig. 7) in Project Areas is the emergent such as reed, hay grass of artificial growth, 5-15m distance in water body is extended to from cofferdam bank band and water body junction, the depth of water about 0 ~ 30cm herein, this region can purify the pollutent that rainfall runoff on the bank brings, and can play again the effect of beautifying the environment simultaneously.③He④ district (Fig. 7) is to from border, emergent district, the place of the not super 2m of the depth of water in the middle of water body, wherein have the submerged plants such as a large amount of water caltrop, hornwort, watermifoil, this region can pollutent in purifying water body, plays the effect of the peripheral algae and water of enrichment simultaneously.Cofferdam is planted humidogene or moisture loving plant.(Fig. 7) is in outside cofferdam in ⑤He⑥ district, distance loke shore is far away, for the Tai Lake disturbed without engineering, wherein submerged plant is rare, part has the floatingleaved plants such as a small amount of floating heart near the place in cofferdam, 5. and 6. trivial enrichment this region also can pollutent in purifying water body, and peripheral algae and water can be made again to simultaneously.8. district is that Project Areas is peripheral, belongs to engineering check plot.
(2) compliance test result
Year December in January, 2010 to 2013, arrange 21 sampling points altogether at 6 processing units and check plot, to fix a point month by month tracking monitor to water quality, each erect-position adopts top layer water sample (degree of depth is less than 0.5m), and concrete data are as follows simultaneously:
transparency (SD) Changing Pattern:
As seen from Figure 8, in year December in January, 2010 to 2013, along with the change in season, water transparency (SD) variation range of unit 1 is 0.57 ~ 1.24cm, but transparency is the trend risen on the whole.From in January, 2012 in December, 2013, during 6 ~ October, water transparency is significantly higher than other months; Unit 2 and contrast also have same rule, but unit 3 Changing Pattern is not obvious, between its each moon, water transparency does not change substantially, comparative analysis shows, after in January, 2010, the transparency of unit 1 water body is significantly higher than other unit and check plot (p<0.01).
pH Time Change:
Fig. 9 shows, the pH value change of unit 1 is between 6.90 ~ 8.10, rises to some extent in time.4 ~ October in 2012, each unit pH was significantly higher than other months.The pH of unit 1 and other unit significant differences (p<0.01), and unit 2, unit 3 and contrast difference are not significantly (p>0.05).Monitoring shows, although constantly change along with seasonal variations water temperature, when in enclosure after wawter bloom algae is able to control very well, the Productivity of Ecological System based on submerged plant is higher, and water body carbon dioxide fixation amount increases thereupon, causes water body pH outer relative to enclosure higher.
nutritive element Changing Pattern:
Figure 10 and Figure 11 shows, before not carrying out restoration of the ecosystem, enclosure inside and outside water body TN concentration belongs to V class surface water quality standard limited value; Total nitrogen concentration during engineering construction in enclosure in water body drops to 0.55mg/L by initial 1.50mg/L, and in the water body of check plot, total nitrogen content changes little 0.78mg/L to 1.62mg/L.After in January, 2009, significantly lower than enclosure outer (p<0.01) in enclosure; To in December, 2013, unit 1 water body total nitrogen concentration have dropped 68.0% than outside enclosure.In submerged plant process of establishing, in Project Areas, water body total phosphorus concentration is also on a declining curve.In initial stage enclosure, water body and the outer water body total phosphorus concentration of enclosure are respectively 0.06 and 0.05mg/L, are all in II class surface water quality standard.Comparative analysis shows, and in enclosure, water body total phosphorus concentration is monthly significantly lower than enclosure outer (p<0.01) in January, 2013 to 9.By in December, 2013, the outer total phosphorus concentration of enclosure is 0.04mg/L, and in enclosure, total phosphorus concentration is 0.02mg/L, and total phosphorus reduces 50.0%.
cOD Changing Pattern:
Figure 12 shows, enclosure sets up the initial stage, and the concentration being positioned at enclosure and the outer COD in water body Mn of enclosure is respectively 12.6 and 12.7mg/L, is in same level.By putting the large-scale cladocera of domestication in a suitable place to breed, the self-purification of water body submerged plant, in March, 2013, in enclosure, CODMn content was extremely remarkable in check plot water body (p<0.01) to September, particularly unit 1, significantly lower than check plot.To in December, 2013, the outer COD in water body of enclosure mn, content and starting stage indifference (p>0.05), be 4.8mg/L, and the COD of water body in enclosure mncontent drops to 4.4mg/L, has fallen 70.9% on a year-on-year basis.
chla change and algae treatment capacity:
Figure 13 shows, and unit 1 is in the annual 6-9 month of 2009 and 2010, and its Chla content also exists a crest, and its change later in 2011 is not obvious.And unit 1 and unit 2, unit 3 and its Chla content of check plot exist notable difference (p<0.01), and also there is notable difference (p<0.01) in its Chla content of unit 2, unit 3 and check plot.
Figure 14 shows, and can process the algae weight (weight in wet base) of 0.2 ~ 0.3t every day in 4 ~ June; The algae weight (weight in wet base) of about 1t can be processed every day in 7 ~ September; Can process the algae weight (weight in wet base) of about 0.5t every day in October, treatment capacity increase in 7 ~ September absolutely proves that this month algal bloom generation phenomenon is serious.
More than describe preferably specific embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to paying performing creative labour.Therefore, every those skilled in the art, all should within the determined protection domain of claims of the present invention according to design of the present invention available technical scheme of experiment by logic analysis, reasoning or limited number of time on the basis of prior art.

Claims (8)

1. based on an algal bloom Ecological Control system for micro-slope reconstruction, it is characterized in that, described control system integration have employed topography reform technology, wetland bank band bulkhead tech, muskeg planting technology and hydrology UNICOM technology.
2. algal bloom Ecological Control system according to claim 1, is characterized in that, described hydrology UNICOM technology mainly comprises: dig small face, link up small face, local is deep-cut and region backwater four kinds of methods; Be intended to adjust water shape, scale, space layout, stablize water surface area, optimize water resource assignment general layout in wetland recovery region, re-established horizontal connection good between water body and vertical linkage.
3. algal bloom Ecological Control system according to claim 2, it is characterized in that, described topography reform mainly comprises: construction shoal wetland, regular small-size water surface and construction habitat island; Be intended to cut the steep or too high landforms of low mistake, smooth local landform with the needs of applicable birds, the shape of building habitat island, regular small-size water surface, improve and build the living environment of muskeg and aquatic bird, increase heterogeneity and the stability in wetland habitat.
4. algal bloom Ecological Control system according to claim 3, it is characterized in that, described muskeg planting technology mainly comprises: recover small-size water surface vegetation, recover large-scale water surface vegetation, recover ordinary water level exposure beach vegetation, recover below ordinary water level vegetation, recover waterfront band vegetation, recover isolation strip vegetation and recover Gu Po and bank zone vegetation; Being intended to by planting suitable wetland plant, building the muskeg structure of community optimized, appropriateness regulation and control Wetland Communities succession direction, builds the environment of suitable wetland animal survival, repairs the wetland ecotourism chain of degenerating.
5. algal bloom Ecological Control system according to claim 4, is characterized in that, described wetland bank band bulkhead tech mainly comprises: timber bank protection, pitched work, ecology bag bank protection and ecological concrete brick bank protection; Being intended to by configuring the natural immobilization material side plantation root system that borders on the river more flourishing in the waterplant of set soil, strengthening bank band anti-current-rush and resist collapse ability, ensure the fast quick-recovery of the firm and vegetation of sloping bank; Described timber comprises part timber alive; Described natural immobilization material is blocks of natural stone, timber, ecological brick.
6. the arbitrary described algal bloom Ecological Control systematic difference of claim 1-5.
7. control an ecological method for algal bloom, it is characterized in that, described method integration have employed topography reform technology, wetland bank band bulkhead tech, muskeg planting technology and hydrology UNICOM technology.
8. method according to claim 7, is characterized in that, first described method utilizes excavator the bed mud of river body to be dug out accumulation and form multiple cofferdam, then in different cofferdam, plants different waterplant; Extend to 5-15m distance in water body from cofferdam bank band and water body junction, the depth of water plants emergent when 0 ~ 30cm; To the place kind planting submerged plant of the not super 2m of the middle depth of water of water body from border, emergent district; Cofferdam is planted humidogene or moisture loving plant.
CN201510130624.XA 2015-03-24 2015-03-24 Algal blooming ecological control system based on micro-terrain reconstruction, ecological method for controlling algal blooming and application Pending CN104787891A (en)

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CN201510130624.XA CN104787891A (en) 2015-03-24 2015-03-24 Algal blooming ecological control system based on micro-terrain reconstruction, ecological method for controlling algal blooming and application
HK16100609.5A HK1212668A1 (en) 2015-03-24 2016-01-20 An algal blooming ecological control system based on micro-terrain reconstruction, an ecological method for controlling algal blooming and application
ATGM63/2016U AT15789U3 (en) 2015-03-24 2016-03-24 Artificial water system and construction method of the artificial water system for the ecological prevention and treatment of algal blooms
TW105130354A TWI593855B (en) 2015-03-24 2016-03-24 An Artificial Waters System for Ecological Control of Algae Bloom

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