CN104876336B - A kind of utilization filter feeder recovers the analogy method of benthic algae - Google Patents
A kind of utilization filter feeder recovers the analogy method of benthic algae Download PDFInfo
- Publication number
- CN104876336B CN104876336B CN201510228323.0A CN201510228323A CN104876336B CN 104876336 B CN104876336 B CN 104876336B CN 201510228323 A CN201510228323 A CN 201510228323A CN 104876336 B CN104876336 B CN 104876336B
- Authority
- CN
- China
- Prior art keywords
- water
- corbicula fluminea
- group
- density
- lake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention provides the analogy method that a kind of utilization filter feeder recovers benthic algae, the present invention includes following technical essential：Using Corbicula fluminea density as the factor of influence of experiment, if four groups of processing, respectively control group, low-density group, Midst density group and high density group, natural abundance of the density setting with reference to Taihu Lake Corbicula fluminea, this analogy method includes the Technology designs such as deposit preparation, lake water preparation, the preparation of benthic algae acquisition method, simulated experiment and sampling, and the benthic algae in eutrophic water body is repaired in simulation.The present invention can promote the growth of benthic algae in eutrophic water body, and the restoration of the ecosystem to eutrophic water body is significant.It is an advantage of the invention that：The accurate simulation that benthic algae is repaired to filter feeder is realized there is provided a kind of method that technically reliable, simple and easy to apply, cost are low and can effectively repair benthic algae in eutrophication water by the present invention, for eutrophication water（Such as lake, pond）Restoration of the ecosystem.
Description
Technical field
The present invention relates to environment protection novel field, and in particular to a kind of filter feeder recovers the analogy method of benthic algae.
Background technology
By nutritive salt（Mainly nitrogen, phosphorus）Excessive input caused by body eutrophication be most extensive concern in the world
One of water environmental problems.Many important large-size lakes such as Dian Chi, Taihu Lake and Chaohu of China also all suffer from eutrophication
The environmental problem of generation.The increase of nutritive salt input, causes the abnormal increase of planktonic algae, benthic algae（Or submerged plant）Subtract
Few, bio-diversity reduction, the structure of the ecosystem is seriously degenerated with function, has been greatly reduced the service of water ecosystem
Value.Therefore, the key of eutrophic water body reparation be how by nutritive salt by swimming（It is concentrated mainly on planktonic algae）Change bottom
Layer（Benthic algae or submerged plant）, while suppressing Nutrient release in deposit, so that reaching improves the purpose of water quality.
In eutrophic water body ecological system degradation, it is wherein important sport technique segment to recover benthic algae.Because bottom
The algae that dwells is the attemperator of nutritive salt in aquatic ecosystem, can largely be absorbed in S ＆ W body in its growth course
N, P nutriment.Benthic algae not only competes the nutritive salt in water body, or the release of deposit nutriment with planktonic algae
Important absorber before into water body.Because the nutriment in habitat residing for benthic algae is than in phytoplankton habitat
Nutriment it is more concentrated, its metabolic activity is also significantly stronger than the latter, such as with benthic algae sediment interstitial water in
The concentration of dissolubility nutriment is than high 100-1000 times in deposit water column.In addition, benthic algae also has stably depositing
The effect of thing.Diatom and filamentous cyanobacteria can grow in sand grains and deposit surface so that matrix when water disturbance and
It is not moved.Benthic algae can provide important living environment and habitat for other biological, maintain many of the ecosystem
Sample.
Therefore, how to reduce water body recovery technology, improve transparency, it is eutrophication water restoration of the ecosystem to recover benthic algae
One of key link of technology.
The content of the invention
It is an object of the invention to provide the analogy method that a kind of utilization filter feeder repairs benthic algae, the analogy method is led to
Accurate simulated experiment is crossed, is obtained in eutrophication water（Such as lake, pond）In the filter feeder reparation side that is used
Method.
The present invention is the analogy method that benthic algae is repaired using filter feeder, and concrete technical scheme is：
A kind of utilization filter feeder repairs the analogy method of benthic algae, including deposit prepares, lake water prepares, collection bottom
The algae that dwells prepares, adds Corbicula fluminea experiment and sample.
Further, methods described is specially：
（1）The preparation of deposit：Deposit comes from Taihu Lake, and sieving is divided in navy blue vinyon bucket after mixing
Interior, thickness is 10 cm, high 70 cm of the Plastic Drum bucket, and upper and lower bottom diameter is respectively 48 cm and 40 cm, totally 16；
（2）The preparation of lake water：Injected in described bucket in the filtered Taihu Lake lake water of 70 L, every barrel and place one and small-sized make wave
Pump, its power is 3 W, and lift is 0.5 m, and placement location is the cm of underwater 10；Inner bucket water temperature scope is maintained during simulation
12-19℃；Further, Taihu Lake lake water is filtered through 500 mesh nylon screens；Bucket is placed on the outdoor cm of the depth of water 50 15 m × 20
The purpose of water temperature stability is maintained in m cement pits with realization；
（3）Gather the preparation of benthic algae：Press close to 1 piece of rigid plastic sheet of placement, plastic plate at deposit in described each bucket
It is consistent with experiment bucket material, with the nut of cotton thread system one below plastic plate, plastic plate is kept plumbness using the buoyancy of water, with
Eel grass direction blade is consistent, to gather benthic algae；Further, rigid plastic sheet specification is the cm of 8 cm × 10；
（4）Corbicula fluminea is added, formally starts simulation；
（5）Sampling：Corbicula fluminea upgrowth situation is observed during simulation, weather records are carried out, supplement lake water is with guaranteed water level in time
Constant, the 0d that collection water sample and aufwuch sample start in experiment, 2d, 4d, 6d, 8d, 10d, 12d is carried out, analyzing water body
Suspension and turbidity, analytical unit area aufwuch dry weight, all experimental datas carry out statistical analysis using SPSS19.0,
Figure is generated by Excel 2007.
Further, it is described（4）Adding Corbicula fluminea method is specially：Corbicula fluminea density is the unique factor of influence of simulation, if four
Group processing, each four repetitions of processing, the setting of Corbicula fluminea density is with reference to the natural abundance of Taihu Lake Corbicula fluminea, and Midst density group is Tai Huhe
A species of small clam living in fresh water averag density is set, and low-density group is the 1/2 of Midst density group, and high density group is 2 times of Midst density group.
Further, four groups of described processing are specially：Without Corbicula fluminea control group, low-density Corbicula fluminea group（10/barrel, 133g/
m2）, Midst density Corbicula fluminea group（20/barrel, 261 g/m2）With high density Corbicula fluminea group（40/barrel, 473g/m2）.
Further, described Corbicula fluminea comes from Taihu Lake, a length of 20-25 mm of shell, a height of 10-20 mm of shell.
The present invention employs ecological approach according to ecological principle, realizes accurately to filter feeder ecological recovery bottom
Dwell the simulation of algae, obtain a kind of rapid reduction water body recovery technology concentration, improve water turbidity, promote benthic algae growth,
The method for repairing eutrophic water body is reached, this method has the low feature of safety, cost.
Brief description of the drawings
Influence of Fig. 1 Corbicula flumineas to water body recovery technology.
Influence of Fig. 2 Corbicula flumineas to water turbidity.
Fig. 3 Corbicula flumineas are to benthic algae（Dwell aufwuch at bottom）The influence of dry weight.
Embodiment
Outdoor controlled experiment is carried out on November 5th, 2013 to November 17 in Taihu Lake Dongshan Experimental Base.
In this analogy method, Corbicula fluminea density is unique factor of influence of analogy method, if four groups of processing, is respectively without Corbicula fluminea
Control group, low-density Corbicula fluminea group（10/barrel, 133g/m2）, Midst density Corbicula fluminea group（20/barrel, 261 g/m2）With high density river
A species of small clam living in fresh water group（40/barrel, 473g/m2）（Abbreviation control group, low a species of small clam living in fresh water group, middle a species of small clam living in fresh water group and high a species of small clam living in fresh water group）, each four repetitions of processing.Corbicula fluminea
Natural abundance of the setting of density with reference to Taihu Lake Corbicula fluminea（Investigation of the Cai Wei in November, -2007 in December, 2006 to Taihu Lake Corbicula fluminea
Shi Faxian averag densities are 100g/m2-522.9g/m2）, Midst density group is set for Taihu Lake Corbicula fluminea averag density, during low-density group is
The 1/2 of density group, high density group is 2 times of Midst density group（Table 1）.Corbicula fluminea comes from Taihu Lake, and a length of 20-25 mm of shell, shell is a height of
10-20 mm.Corbicula fluminea used（Asian Clams （Corbicula fluminea））It is a kind of bivalve, is subordinate to
Belong to the different tooth suborder of Eulamellibranchia (Eulamellibranchia) in lamellibranchiata (Lamellibranchia)
(Heterodontta) a species of small clam living in fresh water category in Corbiculidae (Corbiculidae)（Corbicula）, formally start simulated experiment；
The different disposal group Corbicula fluminea density of table 1
The method that embodiment 1 utilizes the simulation of filter feeder ecological recovery benthic algae
The analogy method of the present invention, including following process：
（1）The preparation of deposit：Deposit comes from Taihu Lake, is used after the bolting silk net sieving of 60 mesh is mixed, experiment is opened
It was divided in before beginning in experiment bucket, thick up to 10 cm, experiment container used is navy blue high-strength polyethylene Plastic Drum（Bucket is high by 70
Cm, upper and lower bottom diameter is respectively 48 cm and 40 cm）Totally 16；
（2）Lake water prepares：The Taihu Lake lake water that 70 L are filtered through 500 mesh is injected in bucket, for simulated wave disturbance, every barrel
Interior placement one will not cause the small-sized of settling flux of deposit to make unrestrained pump（Power is 3 W, and lift is 0.5 m）, placement location is
The cm of underwater 10；In order to control water temperature, experiment bucket is placed in the m of the cm of the depth of water 50 outdoor 15 m × 20 cement pit.Simulation
Average temperature is 14.7 DEG C in period bucket（Scope is 12 DEG C -19 DEG C）；
（3）Press close to 1 piece of rigid plastic sheet of placement at deposit in each bucket simultaneously（8 cm×10 cm）, plastic plate is with testing
Stave wood matter is consistent, with the nut of cotton thread system one below plastic plate, plastic plate is kept plumbness using the buoyancy of water, with eel grass leaf
Piece direction is consistent, to gather benthic algae；
（4）Corbicula fluminea experiment is added by four groups of processing methods immediately formally to start；
（5）Sampling：Corbicula fluminea upgrowth situation is observed during experiment, weather records are carried out, supplement lake water is with guaranteed water level in time
Constant, the 0d that water sampling and aufwuch sample start in experiment, 2d, 4d, 6d, 8d, 10d, 12d is carried out, analyzing water body it is outstanding
Float and turbidity, analytical unit area aufwuch dry weight, its method foundation《Lake ecological investigation observation and analysis》.All realities
Test data and statistical analysis is carried out using SPSS19.0, figure is generated by Excel 2007.
Analogy method shows that Corbicula fluminea filter food has a significant impact to water body recovery technology concentration（P<0.01）（Fig. 1）.Experiment terminates
When, low, medium and high a species of small clam living in fresh water group concentration of suspension is respectively 8.01 mg/l, 5.50 mg/l and 3.42 mg/l, compared to control group
（12.08 mg/l）20.85 %, 34.90 % and 53.79 % are have dropped respectively.Compare two-by-two（LSD methods）Show between each processing
Concentration of suspension is respectively provided with significant difference, shows as control group>Low a species of small clam living in fresh water group>Middle a species of small clam living in fresh water group>High a species of small clam living in fresh water group.Illustrate that Corbicula fluminea can promote suspension
Thing is settled, and Corbicula fluminea density is bigger, influences more obvious to water body suspended concentration.During experiment, each treatment group concentration of suspension
Cash is early stage（0-4 days）Decline comparatively fast, mid-term tends towards stability（4-8 days）, the later stage（8-12 days）Slow downward trend.
Analogy method shows that Corbicula fluminea can significantly reduce water turbidity（P<0.01）（Fig. 2）.At the end of experiment, except low a species of small clam living in fresh water group with
The water turbidity difference of control group is not significantly outer（P>0.05）, significant difference is respectively provided between remaining treatment group（P<0.01）.Low,
Middle and high a species of small clam living in fresh water group water turbidity have dropped 42.86 %, 55.80 % and 93.94 % compared to initial value, illustrate that Corbicula fluminea density is bigger
Water turbidity reducing effect is more obvious.
Analogy method shows that Corbicula fluminea density has significant facilitation to benthic algae（P<0.05）（Fig. 3）.Experiment knot
Shu Shi, the benthic algae dry weight of high a species of small clam living in fresh water group（0.58 mg/cm2）Apparently higher than control group（0.11 mg/cm2）, low a species of small clam living in fresh water group（0.15
mg/cm2）With middle a species of small clam living in fresh water group（0.29 mg/cm2）（P<0.05）, but control group and low a species of small clam living in fresh water group difference is not notable（P>0.05）.Thus may be used
See,
Corbicula fluminea density is higher, and benthic algae dry weight is bigger, and Corbicula fluminea can promote benthic algae to grow.
The filter food of Corbicula fluminea can reduce water body recovery technology concentration and water turbidity, play a part of purifying water body, and purification
Effect shows as high a species of small clam living in fresh water group>Middle a species of small clam living in fresh water group>Low a species of small clam living in fresh water group>Control group, but improvement of the low a species of small clam living in fresh water group to turbidity be not notable.Putting Corbicula fluminea in a suitable place to breed can be with
Benthic algae biomass is promoted to rise, but the effect of low a species of small clam living in fresh water group is not notable.Comprehensive analysis shows that middle a species of small clam living in fresh water group is with high a species of small clam living in fresh water group to water quality
Index has remarkable effect with benthic algae growth.
According to the result of this simulation and simulation, it is believed that the breeding density of Corbicula fluminea is 250-400 g/m2。
Application in the lake eutrophication water remediation of embodiment 2
The restoration of the ecosystem demonstration project of Wuxi Lake Wuli, 10000 square metres of the demonstration project area, in May, 2014 starts
Construction, delivers 3000 kilograms of Corbicula fluminea July（300g/m2）, after the completion of September part engineering, water transparency is from original 30 centimetres
It is improved to more than 90 centimetres, benthic algae biomass is from 0.12 original mg/cm2Rise to 1.08 mg/cm2, water body is limpid,
Water quality is good.
Claims (1)
1. a kind of utilization filter feeder recovers the analogy method of benthic algae, it is characterised in that the analogy method includes deposition
Thing prepares, lake water prepares, collection benthic algae prepares, adds Corbicula fluminea and sampling；
Described method is specially：
（1）The preparation of deposit：Deposit is derived from Taihu Lake, and sieving is divided in after mixing in navy blue vinyon bucket, thick
Spend for 10 cm, high 70 cm of the Plastic Drum bucket, upper and lower bottom diameter is respectively 48 cm and 40 cm, totally 16；
（2）The preparation of lake water：The filtered Taihu Lake lake water of 70 L is injected in described bucket, the interior placement one of every bucket is small-sized to make wave
Pump, its power is 3 W, and lift is 0.5 m, and placement location is the cm of underwater 10；Inner bucket water temperature scope is maintained during simulation
12-19℃；
（3）Gather the preparation of benthic algae：Press close to 1 piece of rigid plastic sheet of placement, plastic plate and reality at deposit in described each bucket
Test stave wood matter consistent, with the nut of cotton thread system one below plastic plate, plastic plate is kept plumbness using the buoyancy of water, with eel grass
Direction blade is consistent, to gather benthic algae；
（4）Corbicula fluminea is added, formally starts simulated experiment；
（5）Sampling：Corbicula fluminea upgrowth situation is observed during experiment, weather records are carried out, supplement lake water is constant with guaranteed water level in time,
The 0d that water sample and aufwuch sample start in experiment is gathered, 2d, 4d, 6d, 8d, 10d, 12d is carried out, the suspension of analyzing water body
And turbidity, analytical unit area aufwuch dry weight, all experimental datas are using SPSS19.0 progress statistical analyses, and figure is equal
Generated by Excel 2007；
Wherein,
Deposit sieves by the bolting silk net of 60 mesh in the step (1)；
The step（2）Middle Taihu Lake lake water is filtered through 500 mesh nylon screens；Described bucket is placed on the 15 of the outdoor cm of the depth of water 50
In the m of m × 20 cement pit；
The step（3）The specification of middle rigid plastic sheet is the cm of 8 cm × 10；
Described step（4）The method of addition Corbicula fluminea be specially：Corbicula fluminea density is unique factor of influence of simulation, if at four groups
Reason, each four repetitions of processing, the natural abundance of the setting reference Taihu Lake Corbicula fluminea of Corbicula fluminea density, Midst density group is flat for Taihu Lake Corbicula fluminea
Equal density is set, and low-density group is the 1/2 of Midst density group, and high density group is 2 times of Midst density group；
Four groups of described processing are specially：Without Corbicula fluminea control group；Low-density Corbicula fluminea group：10/barrel, 133g/m2；Midst density Corbicula fluminea
Group：20/barrel, 261 g/m2；With high density Corbicula fluminea group：40/barrel, 473g/m2；
Described Corbicula fluminea comes from Taihu Lake, a length of 20-25 mm of shell, a height of 10-20 mm of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510228323.0A CN104876336B (en) | 2015-05-07 | 2015-05-07 | A kind of utilization filter feeder recovers the analogy method of benthic algae |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510228323.0A CN104876336B (en) | 2015-05-07 | 2015-05-07 | A kind of utilization filter feeder recovers the analogy method of benthic algae |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104876336A CN104876336A (en) | 2015-09-02 |
| CN104876336B true CN104876336B (en) | 2017-08-25 |
Family
ID=53944063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510228323.0A Active CN104876336B (en) | 2015-05-07 | 2015-05-07 | A kind of utilization filter feeder recovers the analogy method of benthic algae |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104876336B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110275003B (en) * | 2019-05-13 | 2020-03-06 | 中国科学院南京地理与湖泊研究所 | Method for screening and repairing shellfish in water body with high suspended matter concentration |
| CN114906937A (en) * | 2022-05-27 | 2022-08-16 | 华南理工大学 | Low-energy-consumption full-automatic denitrification process |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100519442C (en) * | 2005-06-30 | 2009-07-29 | 宝山钢铁股份有限公司 | Controllable fast reservior blue-green alga bloom eliminating method |
| CN101580307B (en) * | 2009-06-18 | 2011-06-01 | 上海交通大学 | Method for constructing demersal microorganism layer on substrate sludge layer in eutrophic water |
| CN101948178A (en) * | 2010-03-24 | 2011-01-19 | 江西金达莱环保研发中心有限公司 | Method for adjusting water ecological environment and purifying water quality by using special activity organisms |
| CN102010071A (en) * | 2010-10-29 | 2011-04-13 | 上海优博环境工程有限公司 | Combined high-efficiency river water quality purification process |
-
2015
- 2015-05-07 CN CN201510228323.0A patent/CN104876336B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104876336A (en) | 2015-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Understanding the recurrent large-scale green tide in the Yellow Sea: Temporal and spatial correlations between multiple geographical, aquacultural and biological factors | |
| WO2015172268A1 (en) | Method for mixed culture of hippocampus, abalone and gracilaria | |
| Råberg et al. | Effects of Pilayella littoralis on Fucus vesiculosus recruitment: implications for community composition | |
| CN104129856A (en) | Combined ecological floating bed and culture method thereof | |
| CN104876336B (en) | A kind of utilization filter feeder recovers the analogy method of benthic algae | |
| CN100337940C (en) | Purifying system and method for mother of pearl in lake water-resource nutrient-enriched water body | |
| Sukačová et al. | Can algal biotechnology bring effective solution for closing the phosphorus cycle? Use of algae for nutrient removal-review of past trends and future perspectives in the context of nutrient recovery | |
| Liu et al. | Nutrient bioextraction and microalgae growth inhibition using submerged macrophyte Myriophyllum spicatum in a low salinity area of East China Sea | |
| CN105123162A (en) | Method for cultivation and colonization of rooty dwarf vallisneria natans | |
| CN106379999A (en) | Three-dimensional purification method of eutrophic lake water | |
| Jusoh et al. | Green technology in treating aquaculture wastewater | |
| Tian et al. | Are there environmental benefits derived from coastal aquaculture of Sargassum fusiforme? | |
| CN104829077B (en) | A kind of benthic algae controls the analogy method of water earthworm bioturbation effect | |
| CN101412563A (en) | Blue algae bloom control method based on floating rice cultivation | |
| CN104839056B (en) | A kind of analogy method of negative effect caused by juvenile fish breaks out in control Ecological Restoration Project using filter feeder | |
| CN107509673B (en) | Intensive Litopenaeus vannamei breeding wastewater resource utilization method | |
| CN105036481A (en) | Shrimp culture tail water circulation treatment method and device | |
| CN206502672U (en) | It is a kind of to increase the light lead device of water transparency | |
| CN213961368U (en) | Trapezoidal artificial reef body for promoting ecological restoration of coral reef | |
| CN112047485A (en) | Evaluation method and application of suitable coverage of submerged plants in shallow lake | |
| CN102815793A (en) | Blue-green alga ingestion method of Simocephalus vetulus | |
| CN109874704A (en) | A kind of method of tiger spot cuttlefish seed bait domestication | |
| Wanick et al. | Screening for cultivable species of marine sponges (porifera) in an ecologically inspired ex situ system | |
| Bao et al. | Growth and nutrient uptake of Myriophyllum spicatum under different nutrient conditions and its potential ecosystem services in an enclosed sea area in the East China Sea | |
| CN109717110A (en) | A kind of no squama giant clam seed industrial production method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |