CN101913707B - Method for controlling growth of scenic water algae by using emergent and submerged aquatic plants - Google Patents
Method for controlling growth of scenic water algae by using emergent and submerged aquatic plants Download PDFInfo
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- CN101913707B CN101913707B CN2010102428025A CN201010242802A CN101913707B CN 101913707 B CN101913707 B CN 101913707B CN 2010102428025 A CN2010102428025 A CN 2010102428025A CN 201010242802 A CN201010242802 A CN 201010242802A CN 101913707 B CN101913707 B CN 101913707B
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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
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Abstract
The invention discloses a method for controlling the growth of scenic water algae by using emergent and submerged aquatic plants. The emergent aquatic plant is cyperus alternifolius, and the submerged aquatic plant is green myriophyllum aquaticum. In the method, the cyperus alternifolius and the green myriophyllum aquaticum are planted in cultivated layers of the scenic water in a checkerboard type composite plantation mode, namely the green myriophyllum aquaticum is distributively planted in the cultivated layers in the checkerboard type, wherein the spacing of the green myriophyllum aquaticum is 5cm, the cyperus alternifolius is compositely planted with the green myriophyllum aquaticum every three plants of green myriophyllum aquaticum, wherein the spacing of the cyperus alternifolius is 20cm, the depth of the cultivated layers in the scenic water is less than 0.5m, and the composite plantation area is not less than 30 percent of the water area. The method has the advantages of simpleness, practicability, simple and convenient operation, and capacities of avoiding ecological risks, suppressing the overgrowth of the regenerated water algae and guaranteeing the safety and appreciation of an aquatic environment. The submerged and emergent aquatic plants are easily harvested and coact to produce allelochemicals capable of suppressing the algae. Therefore, the algae hardly grow in the scenic water, and the treatment cost is low.
Description
Technical field
The present invention relates to ecological environment of human settlements water quality and keep and purification techniques, the method for water-submerged plant control landscape water body algal grown is endured in particularly a kind of utilization.
Background technology
In recent years, landscape water has progressed into residential quarters, the living environment that provides man and nature to coordinate mutually.But people are when enjoying landscape water, and artificial water scenery has also been brought certain problem.At present, the middle water after a lot of residential quarters purify it is used as the moisturizing of landscape water.The alternative tap water of water is the very big saving to water resources as the water source of landscape water in the utilization; Middle water has more nutrition than tap water, is beneficial to the growth of fish and aquatic ornamental plant.But because of the characteristics of mobile poor, the shortage self-purification capacity of landscape water, " the chronic disease "-eutrophication when doing moisturizing with tap water upgrades to " incurable disease " during as the moisturizing source at middle water.
Middle water water quality as landscape water moisturizing source has reached the landscape water reuse standard.When yet the water water rate is low in causing when the sub-district occupancy rate is low; For reducing running cost; The landscape water body aeration, extracting and the drive unit that exist with forms such as artificial hillock, fountains can be closed, and cause water quality to worsen, turn black smelly rapidly, make the function of its happy people's body and mind of landscape water body forfeiture.Be to prevent then necessary aeration and the flowability of strengthening water of alga eruption when temperature is higher, make running cost soaring.
Plant can directly absorb the nutritive salt of The dissolved in the landscape water body, and its powerful root system is that bacterium provides various living environment, the multiple pollutent of bacterial flora degradable in root district.And plant especially waterplant also can secrete allelochemical, algae grows in the water is played restraining effect.Waterplant is divided into emergent, floating plant and submerged plant by life habit.Because life style and growth forms is different, emergent seldom faces and planktonic algae and epiphytic competition; Floating plant produces the plant of underwater and plant plankton and hides, and the floating plant that root is given birth to also with the plant and the plant plankton competitive growth space of underwater; The underwater submerged plant that lives faces with other primary producer and comprises higher plant and algae cut-throat competition light and space, also just exists allelopathy widely between them.
Summary of the invention
The objective of the invention is situation serious to eutrophication in the landscape water body of residential quarters, algae excessive propagation; Provide a kind of utilization to endure the method for water-heavy water waterplant control landscape water body algal grown; Should method is simple, easy and simple to handle, non-secondary pollution and with low cost, can realize that water quality of landscape water keeps and the double effects that increases the landscape water body sight.
Technical scheme of the present invention:
The method of water-submerged plant control landscape water body algal grown is endured in a kind of utilization; Emergent is a parasol grass, and submerged plant is green feather grass, adopt checkerboard type composite plant mode with parasol grass and green feather grass planting in the cultivation layer of landscape water body; The concrete practice is green feather grass to be distributed by checkerboard type to be planted in the cultivation layer earlier; The spacing of green feather grass is 5cm, and with green feather grass of parasol grass every interval three strains and the compound plantation of green feather grass, promptly the spacing of parasol grass is 20cm then; The thickness of cultivation layer is 10cm; The degree of depth of cultivation layer in landscape water body is less than 0.5m, and the composite plant area is not less than 30% of coverage of water, and planting area is positioned at the slough of landscape water body.
The method of water-submerged plant control landscape water body algal grown is endured in a kind of as above-mentioned utilization, and checkerboard type composite plant mode is implemented through floating bed, and each floating bed fixedly is made up of a base plate and four baffle plates; Base plate and baffle plate all adopt foam PVC plastic plate; The plate length of base plate is that the wide 50cm of being of 100cm, plate, thickness of slab are 10cm, is uniformly distributed with circular hole on the base plate, and Circularhole diameter is that 10cm, pitch of holes are 20cm; In circular hole, insert the parasol grass and the green feather grass that snarl rhizome with sponge; Lay 10cm is thick, particle diameter is 3mm～5mm gravel or sand grains at base plate atresia place as the cultivation layer, and it is careless with 5cm to be that spacing plant green feather in 10cm, height of baffle plate is 30cm; The first half of baffle plate is provided with the permeable hole of diameter less than 3mm, and floating berth is surperficial in landscape water body but cultivation layer floating bed must be arranged in landscape water body water.
The method of water-submerged plant control landscape water body algal grown is endured in a kind of as above-mentioned utilization; Checkerboard type composite plant mode is directly implemented in the degree of depth less than 0.5m and bottom substrates is the landscape water body of bed mud, and the parasol grass and the green feather grass of promptly planting with checkerboard type composite plant mode directly are planted in the bed mud.
The method of water-submerged plant control landscape water body algal grown is endured in a kind of as above-mentioned utilization; Implementation method in the landscape water body of bottom substrates at the bottom of for the artificial cement sand starch that lays is checkerboard type composite plant mode less than 0.5m in the degree of depth: on the hard end, uses particle diameter to be 3mm～5mm gravel or the sand grains laying depth cultivation layer as 10cm, the parasol grass that will plant with checkerboard type composite plant mode and green feather grass planting are in cultivating layer.
Working mechanism of the present invention: the composite plant between submerged plant and emergent, avoided in water body illumination and spatial competition; Can absorb the nutritive substance in the water body again, for nutritive substance in the water provides the output channel; Interact between them, can secrete the allelochemical that suppresses algal grown, play the function of reparation, purifying eutrophication water body.Through test, we have finally selected parasol grass and green feather grass, and TP is following:
Get certain residential quarters landscape water and add in the 2000mL large beaker, by average 5g/L, emergent is implanted in the beaker by average 12.5-15g/L kind with the green feather of submerged plant; Other gets one glass of no plant as control group, and simulating plant shading amount drops into plastic and plant by its plant add-on.To be tried plant culturing in illumination box, periodicity of illumination is 12 hours, and light intensity is 2000lux, and temperature is 25 ℃.Be to prevent that the water level that moisture evaporation causes from reducing, regularly supply the evaporation of beaker internal cause and the moisture that loses, make the test water volume remain on 2L with tap water.Test lasted for 3 weeks, and every is TN, TP content and amount of algae at a distance from testing index on the 3rd.Each concrete index clearance is as shown in table 1:
The compound removal effect of table 1 parasol grass and green feather to TN, TP and algae
Can find out that from table 1 the parasol grass can reach more than 90% with the three-dimensional compound clearance to TN, TP and algae of feather grass.
The invention has the advantages that: should method is simple, easy and simple to handle, can evade ecological risk, realized inhibition to reuse water algae and water excessive multiplication, guarantee the security and the sight of water body environment; Ecological security is good, non-secondary pollution; Plant three-dimensional compound realized three-dimensional the distribution and fully development on the formation space, and the submerged plant and the plant of cutting off the water are easy to harvesting, both actings in conjunction produce can algal control allelochemical, make landscape water body be difficult for growing algae, processing cost is cheap.
Embodiment
Embodiment 1: scientific and technological park, Shenzhen man-made lake plantation test
Scientific and technological park, Shenzhen will be positioned at the pool, garden and beautify the man-made lake that builds up, the about 150m of water surface area
2, average depth 60cm, higher, sunny because of Shenzhen year-round average temperature, the body eutrophication phenomenon is serious, and algae reproduction is rapid, and algae cell density is bigger.Employing checkerboard type composite plant mode is also passed through floating bed enforcement, and each floating fixedly is made up of a base plate and four baffle plates, and base plate and baffle plate all adopt foam PVC plastic plate; The plate length of base plate is that the wide 50cm of being of 100cm, plate, thickness of slab are 10cm, is uniformly distributed with circular hole on the base plate, and Circularhole diameter is that 10cm, pitch of holes are 20cm; In circular hole, insert the parasol grass and the green feather grass that snarl rhizome with sponge; Lay 10cm is thick, particle diameter is 3mm～5mm gravel or sand grains at base plate atresia place as the cultivation layer, and it is careless with 5cm to be that spacing plant green feather in 10cm, height of baffle plate is 30cm; The first half of baffle plate is provided with the permeable hole that diameter is 2mm; Floating berth is surperficial in landscape water body but cultivation layer floating bed must be arranged in landscape water body water, and the composite plant area is 30% of a coverage of water, and planting area is positioned at the slough of landscape water body.
Planted back 90 days, water sample is carried out the mensuration of total nitrogen, total phosphorus, algae counts, measurement result sees Table 2.
The three-dimensional composite floating bed purification efficiency that table 2 parasol grass is careless with feather to scientific and technological park, Shenzhen man-made lake
Can find out by table 2; Plantation through 90 days; Parasol grass and feather grass three-dimensional composite floating bed to purification efficiency to algae be 85.5%; Reduced the water body content of chlorophyll simultaneously, explained that the parasol grass and the three-dimensional compounding technology of feather grass also have good decontamination effect improving to the bigger water body of area.
Embodiment 2: certain residential quarters little pond plantation test.
Certain residential quarters little pond, the depth of water be less than 50cm, the about 30m of water surface area
2, be pea-type, be the stagnant pool, the bottom is the mud shape, per week changes water once.Water body is deep green before the plantation, is typical eutrophic water body characteristics, water body is directly carried out the plantation of parasol grass-feather grass.The method that adopts is directly to be planted in the parasol grass and the green feather grass of planting with checkerboard type composite plant mode in the bed mud; The spacing of green feather grass is 5cm; Then with green feather grass of parasol grass every interval three strains and the compound plantation of green feather grass; The spacing that is the parasol grass is 20cm, and the thickness of cultivation layer is 10cm, and the composite plant area is 30% of a coverage of water.
Plant water quality generation noticeable change after 90 days, specific targets are seen table 3.
The three-dimensional compound purification efficiency that table 3 parasol grass is careless with feather to the little pond water body
Can know by table 3, the plantation through 90 days, the parasol grass is three-dimensional compound to effective, especially higher to the removal efficient of algae with the water body purification of outside shortage exchange with the feather grass, can reach 96.5%.
Embodiment 3: the plantation in view pool test in certain holiday village sun glasshouse.
Long-term temperature is more than 20 ℃ in certain holiday village sun glasshouse, and there are artificial hillock and waterfall in inside, and the waterfall current are less, fall into view pool, bottom, the about 50m of the view pool water surface
2, the degree of depth is 0.45m, pool bottom for the artificial cement sand starch that lays at the bottom of.Cause does not have the current exchange with the outside, and temperature is higher, and sunlight shines throughout the year, and water body is yellow-green colour, and turbidity is higher, and water body is muddy, and transparency is relatively poor.Adopt checkerboard type composite plant mode; The practical implementation method is: on the hard end, use particle diameter to be 3mm～5mm gravel or the sand grains laying depth cultivation layer as 10cm; The parasol grass that to plant with checkerboard type composite plant mode and green feather grass planting are in the cultivation layer, and promptly earlier green feather grass being distributed by checkerboard type is planted in the cultivation layer, and the careless spacing of green feather is 5cm; Then with green feather grass of parasol grass every interval three strains and the compound plantation of green feather grass; The spacing that is the parasol grass is 20cm, and the thickness of cultivation layer is 10cm, and the composite plant area is 30% of a coverage of water.
Planted back 90 days, water sample is carried out the mensuration that total nitrogen, total phosphorus, algae counts and GC/MS organism are formed total analysis.Concrete data are seen table 4.
The three-dimensional composite floating bed purification efficiency that table 4 parasol grass is careless with feather to the view pool
Visible by table 4, after the three-dimensional composite floating bed plantation of parasol grass-green feather, the amount of algae in the water sample, organism kinds quantity and respective concentration obviously reduce, and be especially higher to the removal efficient of algae, can reach 98.1%.Explain that parasol grass-green feather is three-dimensional composite floating bed and can play tangible Water purification the flow slowly water body of external anhydrous exchange of view.
Claims (4)
1. one kind is utilized the very method of water-submerged plant control landscape water body algal grown; It is characterized in that: emergent is a parasol grass, and submerged plant is green feather grass, adopt checkerboard type composite plant mode with parasol grass and green feather grass planting in the cultivation layer of landscape water body; The concrete practice is green feather grass to be distributed by checkerboard type to be planted in the cultivation layer earlier; The spacing of green feather grass is 5cm, and with green feather grass of parasol grass every interval three strains and the compound plantation of green feather grass, promptly the spacing of parasol grass is 20cm then; The thickness of cultivation layer is 10cm; The degree of depth of cultivation layer in landscape water body is less than 0.5m, and the composite plant area is not less than 30% of coverage of water, and planting area is positioned at the slough of landscape water body.
2. one kind is utilized the very method of water-submerged plant control landscape water body algal grown according to claim 1; It is characterized in that: checkerboard type composite plant mode is implemented through floating bed; Each floating bed fixedly is made up of a base plate and four baffle plates, and base plate and baffle plate all adopt foam PVC plastic plate, and the plate length of base plate is that the wide 50cm of being of 100cm, plate, thickness of slab are 10cm; Be uniformly distributed with circular hole on the base plate; Circularhole diameter is that 10cm, pitch of holes are 20cm, in circular hole, inserts the parasol grass and the green feather grass that snarl rhizome with sponge, and laying gravel that 10cm is thick, particle diameter is 3mm～5mm or sand grains are as the cultivation layer at base plate atresia place; And be that spacing is planted green feather grass with 5cm in 10cm; Height of baffle plate is 30cm, and the first half of baffle plate is provided with the permeable hole of diameter less than 3mm, and floating berth is surperficial in landscape water body but cultivation layer floating bed must be arranged in landscape water body water.
3. one kind is utilized the very method of water-submerged plant control landscape water body algal grown according to claim 1; It is characterized in that: checkerboard type composite plant mode is directly implemented in the degree of depth less than 0.5m and bottom substrates is the landscape water body of bed mud, and the parasol grass and the green feather grass of promptly planting with checkerboard type composite plant mode directly are planted in the bed mud.
4. one kind is utilized the very method of water-submerged plant control landscape water body algal grown according to claim 1; It is characterized in that: the implementation method in the landscape water body of bottom substrates at the bottom of for the artificial cement sand starch that lays is checkerboard type composite plant mode less than 0.5m in the degree of depth: on the hard end, uses particle diameter to be 3mm～5mm gravel or the sand grains laying depth cultivation layer as 10cm, the parasol grass that will plant with checkerboard type composite plant mode and green feather grass planting are in cultivating layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102428025A CN101913707B (en) | 2010-08-03 | 2010-08-03 | Method for controlling growth of scenic water algae by using emergent and submerged aquatic plants |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102428025A CN101913707B (en) | 2010-08-03 | 2010-08-03 | Method for controlling growth of scenic water algae by using emergent and submerged aquatic plants |
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| CN101913707A CN101913707A (en) | 2010-12-15 |
| CN101913707B true CN101913707B (en) | 2012-05-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102329002A (en) * | 2011-08-08 | 2012-01-25 | 重庆文理学院 | Application of plant ecological floating bed to restoration of eutrophic water |
| CN102616934A (en) * | 2012-01-13 | 2012-08-01 | 广州市新之地环保产业有限公司 | Purifier for ecological restoration of water body |
| CN103073110B (en) * | 2013-01-25 | 2014-05-07 | 北京林业大学 | Method for purifying wetland water body by compositing aquatic plants |
| CN104429529B (en) * | 2014-12-03 | 2016-08-24 | 华侨大学 | A kind of construction method of buffer area ecology Riparian zone |
| CN105830711B (en) * | 2016-04-06 | 2019-02-26 | 中国科学院水生生物研究所 | Submerged plant patch inlays the ecological method for controlling and giving birth to filamentous algae hyper-proliferative |
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| CN1331781C (en) * | 2004-03-27 | 2007-08-15 | 中国科学院水生生物研究所 | Method for renovating zoology in lakeshore zone |
| CN101054253A (en) * | 2007-01-22 | 2007-10-17 | 华中科技大学 | Method for treating sewage of organism/zoology lake bank |
| CN101486512B (en) * | 2008-01-14 | 2011-12-07 | 江苏省滆湖渔业管理委员会办公室 | Ecological repair method for shallow water lake shore zone |
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