CN108251337A - A kind of method for controlling overwintering cyanobacteria recovery growth - Google Patents
A kind of method for controlling overwintering cyanobacteria recovery growth Download PDFInfo
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- CN108251337A CN108251337A CN201810195449.6A CN201810195449A CN108251337A CN 108251337 A CN108251337 A CN 108251337A CN 201810195449 A CN201810195449 A CN 201810195449A CN 108251337 A CN108251337 A CN 108251337A
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- 241000192700 Cyanobacteria Species 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 230000012010 growth Effects 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000010902 straw Substances 0.000 claims abstract description 28
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 25
- 239000011707 mineral Substances 0.000 claims abstract description 25
- 230000004907 flux Effects 0.000 claims abstract description 5
- 235000015097 nutrients Nutrition 0.000 claims abstract description 4
- 235000019355 sepiolite Nutrition 0.000 claims description 16
- 229910052624 sepiolite Inorganic materials 0.000 claims description 15
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical class O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 14
- 238000007667 floating Methods 0.000 claims description 13
- 235000007164 Oryza sativa Nutrition 0.000 claims description 8
- 235000009566 rice Nutrition 0.000 claims description 8
- 241000209140 Triticum Species 0.000 claims description 7
- 235000021307 Triticum Nutrition 0.000 claims description 7
- 238000005253 cladding Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 241000195493 Cryptophyta Species 0.000 abstract description 29
- 230000000694 effects Effects 0.000 abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 abstract description 5
- 230000000050 nutritive effect Effects 0.000 abstract description 4
- 150000003839 salts Chemical class 0.000 abstract description 4
- 241000192710 Microcystis aeruginosa Species 0.000 abstract description 3
- 239000003627 allelochemical Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 229910052698 phosphorus Inorganic materials 0.000 description 9
- 239000011574 phosphorus Substances 0.000 description 9
- 241000209094 Oryza Species 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000002028 Biomass Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- 239000004113 Sepiolite Substances 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 229930002875 chlorophyll Natural products 0.000 description 4
- 235000019804 chlorophyll Nutrition 0.000 description 4
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 230000001098 anti-algal effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241001262079 Cutleriales Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 244000283207 Indigofera tinctoria Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005791 algae growth Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 150000001669 calcium Chemical class 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Biotechnology (AREA)
- Wood Science & Technology (AREA)
- Microbiology (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Virology (AREA)
- Biochemistry (AREA)
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Abstract
The present invention provides a kind of methods for controlling overwintering cyanobacteria recovery growth, at 2 months ~ March, first with the deposit surface of modified mineral matter covering water bottom, inhibit the Nutrient release in deposit, cover overwintering cyanobacteria, straw fixation sinking is covered in deposit surface again, inhibits overwintering cyanobacteria recovery growth and settling flux.The present invention had not only cut down water body nitrogen phosphorus using modified mineral matter, but also deposit surface cyanobacteria is prevented to float up to water body；Straw can not only kill the overwintering cyanobacteria of deposit surface, cut down recovery amount of the overwintering cyanobacteria in spring, it prevents the disturbance of modified mineral matter and weakens nitrogen phosphorus control effect and deposit surface cyanobacteria floats up to water body, the carbon source slowly released simultaneously can promote deposit surface denitrification efficiency, it realizes nutritive salt and cuts down the effect of cooperateing with efficiently control algae with allelochemical algal control and the covering of cyanobacteria introduces a collection, controlled for water body blue algae water blooms such as lake, reservoir, rivers and provide technical support.
Description
Technical field
The invention belongs to environmental science, the water environment treatment of field of ecology and cyanobacterial bloom control technology fields, are related to
The eutrophication controls such as large-scale shallow water lake, reservoir, river and ecological reestablishment, specially a kind of overwintering cyanobacteria recovery of control
The method of growth.
Background technology
China's water body in lake eutrophication problem is serious, and cyanobacterial bloom is persistently broken out, water quality and the deterioration of the ecological environment, and prestige
Coerce water supply security.The control method of lake blue algae wawter bloom includes mechanical algae removement, modified clay except algae, fish control algae, plant at present
Algal control, microorganism control algae, preparation are except algae etc., the most commonly used is emergent salvaging measure, including manually salvaging, using cyanobacteria fishing boat,
The collection disposition for the progress cyanobacterial blooms such as fishing algae platform and algae moisture are leaving from station, but the cyanobacteria amount handled is extremely limited, fails effectively
Change the phenomenon that lake blue algae wawter bloom takes place frequently.Recent studies indicate that cyanobacteria winter can be overwintering on bed mud surface, spring recovery
Growth floats up to surface layer of water and carries out fast breeding, since China's water body in lake nutritive salt is generally higher, leads to summer cyanobacterial bloom
Large area is broken out.
Related overwintering cyanobacteria Treatment process is reported less at present, and Hefei institute of the Chinese Academy of Sciences carries out bed mud using large scale equipment
" elution ", Chinese Academy of Sciences's Nanjing geography utilize lake large-scale " cleaning boat " development polluted bed mud disposition and cyanobacteria introduces a collection to cut with lake
The trial subtracted, but it is to carry out Sediment Dredging in winter to cut down overwintering cyanobacteria to apply more；Up to the present, above-mentioned technology with
Although playing a role, lake large area breakout of water bloom phenomenon is not effectively controlled still for measure.If in lake blue algae
Overwintering cyanobacteria is effectively cut down in overwintering region, removes cyanobacteria introduces a collection, then can effectively reduce the frequency of summer cyanobacterial bloom generation
And area.Patent document CN102295333B discloses a kind of minimizing technology of the overwintering bloom blue algae introduces a collection in large-scale shallow water lake,
Respectively in overwintering and Resuscitation Period, control algae agent is used in the distributed areas of overwintering bloom blue algae introduces a collection twice in water body and bed mud
Overwintering cyanobacteria introduces a collection carry out background removing, carry out for the 1st time, carried out before cyanobacteria recovery in Resuscitation Period in Wintering Period for the 2nd time,
It is used to control rice straw leachate and H of the algae agent by effective concentration2O2Composition is needed to assist to implement using enclosure, otherwise be controlled
Algae agent is easily diluted with lake current and is spread, and reduces the effect for removing the introduces a collection of overwintering bloom blue algae in lake.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of stalk mattress and the overwintering cyanobacteria recovery life of modified mineral integrated control
Long method covers deposit surface using modified mineral matter, deposit nitrogen phosphorus had both been inhibited to discharge, and reaches synchronous denitrification dephosphorizing effect
Fruit, and then water nutrition salinity is cut down, and deposit surface cyanobacteria is prevented to float up to water body, while sink using straw
Bed is covered in deposit surface, prevents the disturbance of modified mineral matter and weakens nitrogen phosphorus control effect, and continue slow release algal control object
Matter and carbon source inhibit overwintering cyanobacteria recovery growth and in stormy waves settling flux to water body, cut down and control cyanobacteria kind from source
So as to inhibit blue algae growth in terms of nutritive salt reduction and cyanobacteria introduces a collection two, it is blue to reach the water bodys such as lake, reservoir reduction summer for source
The frequency and the purpose of scale area occur for algae wawter bloom.
To achieve the above object, the present invention specifically takes following technical scheme：
A kind of method for controlling overwintering cyanobacteria recovery growth, at 2 months ~ March, using following steps：
（1）With the deposit surface of modified mineral matter covering water bottom, inhibit the Nutrient release in deposit, covering is overwintering
Cyanobacteria；
（2）Straw fixation sinking is covered in deposit surface, inhibits overwintering cyanobacteria recovery growth and settling flux.
Step（1）The modified mineral matter is one or both of modified zeolite or modified meerschaum.
Preferably, step（1）Mixing of the modified mineral matter for modified zeolite and modified meerschaum, the modified boiling
The mass ratio of stone and modified meerschaum is 1 ~ 2:1.
Step（1）Described in modified mineral matter cladding thickness be 1 ~ 2cm.
Step（1）Described in the coverage rate of modified mineral matter when being 100% for inhibiting the resuscitation effect of overwintering cyanobacteria most
It is good.
Two kinds of modified minerals can directly be bought from market or the method self manufacture according to document report.Profit
It is discharged with modified zeolite control deposit ammonia nitrogen, modified meerschaum control sediment phosphorus release, the overlying of deposit can be reached
Water synchronous denitrification dephosphorizing cuts down water body concentration of nitrogen and phosphorus.
Step（2）The fixation sinking mode of the straw is：Straw is fabricated to stalk mattress, and by institute
Stalk mattress sinking is stated in the deposit surface of water bottom, then the stalk mattress is fixed on water bottom.
The stalk mattress includes steel bar framework and stalk straw rope, and the stalk straw rope is bound on the frame, described
Stalk straw rope is worked out by stalk.
The shape that steel bar framework can be rectangular or other make according to landform.
The fixed form of the stalk mattress is fixes using rivet.
The stalk mattress further includes floating ball and floating ball rope, and the floating ball connects the frame by the floating ball rope.
The floating ball rope is polyethylene rope.Floating ball after stalk rots, can facilitate construction personnel by frame as label
It leaves the water, Reusability, to save cost.
Step（2）The stalk thickness is 3 ~ 5cm.
Step（2）For inhibiting the resuscitation effect of overwintering cyanobacteria best when the improving straw mulching rate reaches 100%.
Step（2）The stalk is one or both of rice straw or wheat stalk.Rice or wheat stalk are in water
Bottom slowly rots that slow release anti-algal substance and carbon source can be continued, and can not only kill or inhibit the overwintering indigo plant of deposit surface
Algae, while the cyanobacteria for being also prevented from being deposited in bed mud surface is suspended into due to the effect of stormy waves in water body again, so as to cut
Subtract recovery amount of the overwintering cyanobacteria in spring, reach algal control control Cutleriales；The carbon source of rice or wheat stalk slow release simultaneously may be used
It is consumed with supplementing carbon source in deposit surface denitrification process, improves water body denitrification efficiency, increase denitrogenation effect.
The allelopathic object that summary modified mineral Quality Control water nutrition, covering cyanobacteria introduces a collection and straw release
Matter algal control technology can achieve the purpose that the water bodys such as lake remove overwintering cyanobacteria introduces a collection, inhibit cyanobacteria recovery growth.
The beneficial effects of the present invention are：
The present invention is discharged using modified zeolite control deposit ammonia nitrogen, and modified meerschaum control sediment phosphorus release reaches synchronous
Nitrogen/Phosphorus Removal cuts down water body nitrogen phosphorus, while inhibits the Nutrient release in deposit, covers overwintering cyanobacteria；Rice（It is or small
Wheat）Stalk mattress is covered in deposit surface and continues slow release anti-algal substance and carbon source, can not only kill deposit table
The overwintering cyanobacteria in face cuts down recovery amount of the overwintering cyanobacteria in spring, while the carbon source slowly released can promote deposit
Surface denitrification efficiency, the cyanobacteria for being also prevented from being deposited in bed mud surface are suspended into water body again due to the effect of stormy waves
In, so as to cut down recovery amount of the overwintering cyanobacteria in spring, realize nutritive salt and cut down and the covering of cyanobacteria introduces a collection and allelochemical
The effect of algae, is efficiently controlled in algal control collaboration, and technical support is provided for the control of the water body blue algae water blooms such as lake, reservoir, river.
Description of the drawings
Fig. 1 is the structure diagram of stalk mattress of the present invention.
Wherein, 1 be stalk establishment straw rope, 2 be straw mattress, and 3 be water body bottom surface, and 4 be deposit, and 5 be the water surface,
6 be the rivet 7 of fixed mattress be floating ball rope, and 8 be floating ball.
Specific embodiment
Technical scheme of the present invention is described in further detail below in conjunction with drawings and examples.
Embodiment 1
In October, 2013 in Nanjing Inst. of Geography and Lakes, Chinese Academy of Sciences's Taihu Lake Field Observing Facility, utilizes 23 × 5m experiments
Enclosure carries out experiment, and a processing is blue algae control enclosure, and one is control enclosure, and it is dense containing cyanobacteria that 2 enclosures add 900L
The higher algae water of degree, as introduces a collection；Implement technical solution of the present invention 2 ~ March in 2014.Getting over according to lake field investigation first
The dosage of material is administered in the specific region of winter cyanobacteria and size, estimation.
Material prepares：Enough modified zeolite and modified meerschaum are directly bought from market, collects or buy rice or small
Wheat Straw dries, and the rivet that purchase makes the reinforcing bar and making fixed frame of 8 ~ 12mm of Ф of frame is spare.
Manufacture stalk mattress：Straw rope is compiled into using dry rice straw, recycles reinforcement fabrication squarely frame, it will be careless
Rope is neat, is closely banded on frame, forms stalk bed body, the thickness of stalk is 3 ~ 5cm.Pass through polyethylene rope on frame
Several floating balls on bolt.
Implementation steps：Deposit surface is covered using modified mineral matter first, in the modification ore deposit that ammonia nitrogen upper zone uses
Substance is modified zeolite and modified meerschaum with 2:The composite modified minerals of 1 ratio mixing, make in ammonia nitrogen concentration general area
Modified mineral matter is modified zeolite and modified meerschaum with 1:The composite modified minerals of 1 ratio mixing.The present embodiment is adopted
It is mixed with 300kg modified zeolites and 300kg modified meerschaums, the modified mineral matter for mixing completion is covered in blue algae control enclosure
Deposit surface in region, cladding thickness reach 1 ~ 2cm, coverage rate 100%.
After the completion of substance to be modified covering deposit measure, utilize 61 × 2.5 × 0.04m's in blue algae control enclosure
Straw mattress, is completely covered by deposit surface, inhibits overwintering cyanobacteria recovery growth and in stormy waves settling flux to water body,
Cyanobacteria introduces a collection is cut down and controlled from source.
5-8 month monitoring results in 2014 show blue algae control enclosure compared with compareing enclosure, in water body under blue alga biomass
Drop mean value reaches 86.5%, and water body chlorophyll alpha averagely declines 56.8%, and total phosphorus and total nitrogen mean value declines 41.6% and 35.5% respectively, shows
Effect writes.
Embodiment 2
The present embodiment 2 is differed only in embodiment 1, the modification bought in the market using the modified zeolite replacement of self manufacture
Zeolite, production method are：
With reference to pertinent literature, by Natural Rich Calcium sepiolite raw ore mechanical crushing to powder, modification is directly heated after freeze-day with constant temperature, is led to
The method for crossing heat modification is activated the inertia calcium in Natural Rich Calcium sepiolite, and amount of activated calcium is made to enter sepiolite crystalline substance
In lattice system, for original mineral composition by recombinating and reacting, generating has phosphorus the calcium based sepiolite compared with high absorption capacity to inhale
Attached dose；Zeolite is modified using 0.4mol/L NaCl, the modified time is determined using ammonia adsorption curve, works as best results
When, then 500o2h is roasted under C, makes modified zeolite.
Other test methods, place and time with embodiment 1, differ only in, stalk used is wheat stalk.Experiment knot
Fruit shows that blue alga biomass decline mean value reaches 81.2% in water body, and water body chlorophyll alpha averagely declines 49.5%, and total phosphorus and total nitrogen is equal
Value declines 36.5% and 25.6% respectively, and blue algae control and the effective fruit of water correction write.
Embodiment 3
The present embodiment 3 is identical with the enforcement place of embodiment 1 and time, and difference is only to add in modified mineral matter to be covered in cyanobacteria control
For deposit surface in enclosure region processed without the use of stalk mattress, the cladding thickness of modified mineral matter reaches 1 ~ 2cm, coverage rate
100%.Result of the test shows that blue alga biomass decline mean value reaches 30.3% in water body, and water body chlorophyll alpha averagely declines 22.6%,
Total phosphorus and total nitrogen mean value declines 29.5% and 20.7% respectively.
Embodiment 4
The present embodiment 4 is identical with the enforcement place of embodiment 1 and time, difference be only in blue algae control enclosure using 61 ×
The straw mattress of 2.5 × 0.04m, is completely covered by deposit surface.Result of the test shows in water body under blue alga biomass
Drop mean value reaches 45.1%, and water body chlorophyll alpha averagely declines 27.6%, and total phosphorus and total nitrogen concentration is with compareing no significant change.
Claims (10)
- A kind of 1. method for controlling overwintering cyanobacteria recovery growth, which is characterized in that at 2 months ~ March, using following steps：（1）With the deposit surface of modified mineral matter covering water bottom, inhibit the Nutrient release in deposit, covering is overwintering Cyanobacteria；（2）Straw fixation sinking is covered in deposit surface, inhibits overwintering cyanobacteria recovery growth and settling flux.
- 2. according to the method described in claim 1, it is characterized in that, step（1）The modified mineral matter for modified zeolite or One or both of modified meerschaum.
- 3. according to the method described in claim 2, it is characterized in that, step（1）The modified mineral matter for modified zeolite and The mass ratio of the mixing of modified meerschaum, the modified zeolite and modified meerschaum is 1 ~ 2:1.
- 4. according to the method described in claim 1, it is characterized in that, step（1）Described in modified mineral matter cladding thickness be 1 ~2cm。
- 5. according to the method described in claim 1, it is characterized in that, step（2）The fixation sinking mode of the straw For：Straw is fabricated to stalk mattress, and by the stalk mattress sinking in the deposit surface of water bottom, then by institute It states stalk mattress and is fixed on water bottom.
- 6. according to the method described in claim 5, it is characterized in that, the stalk mattress include steel bar framework and stalk straw rope, The stalk straw rope is bound on the frame, and the stalk straw rope is worked out by stalk.
- 7. according to the method described in claim 5, it is characterized in that, the fixed form of the stalk mattress is consolidates using rivet It is fixed.
- It is 8. described according to the method described in claim 5, it is characterized in that, the stalk mattress further includes floating ball and floating ball rope Floating ball connects the frame by the floating ball rope.
- 9. the method according to claim 1 ~ 8, which is characterized in that step（2）The stalk thickness is 3 ~ 5cm.
- 10. the method according to claim 1 ~ 8, which is characterized in that step（2）The stalk is rice straw or Wheat Straw One or both of stalk.
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| CN201810195449.6A CN108251337B (en) | 2018-03-09 | 2018-03-09 | Method for controlling reviving growth of overwintering blue algae |
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| CN201810195449.6A CN108251337B (en) | 2018-03-09 | 2018-03-09 | Method for controlling reviving growth of overwintering blue algae |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112062236A (en) * | 2020-09-08 | 2020-12-11 | 中国科学院南京地理与湖泊研究所 | In-situ cleaning method for overwintering blue algae seed source |
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