CN105036340B - A kind of analogy method of the bioturbation effect of utilization Corbicula fluminea control water earthworm - Google Patents
A kind of analogy method of the bioturbation effect of utilization Corbicula fluminea control water earthworm Download PDFInfo
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- CN105036340B CN105036340B CN201510244821.4A CN201510244821A CN105036340B CN 105036340 B CN105036340 B CN 105036340B CN 201510244821 A CN201510244821 A CN 201510244821A CN 105036340 B CN105036340 B CN 105036340B
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Abstract
A kind of analogy method of the bioturbation effect of utilization Corbicula fluminea control water earthworm, the present invention includes following technical essential：Using Corbicula fluminea density and water earthworm density as design factor, wherein water earthworm density is 150/post, and Corbicula fluminea density is 4/post, sets four groups：A groups（Control group）, B groups（Corbicula fluminea group）, C mixing groups（Water earthworm+Corbicula fluminea）With D groups（Water earthworm group）, every group of setting 4 be parallel.The analogy method includes lake water processing, deposit processing, adds the Technology design such as Corbicula fluminea and water earthworm experiment and sampling, simulation filter food control water earthworm bioturbation effect.It is an advantage of the invention that：By the present invention realize to filter feeder control water earthworm bioturbation effect accurate simulation, technically reliable, operation is simple, with low cost, can effectively improve water quality, can be in ecologically repairing eutrophication water（Such as lake, pond）In used.
Description
Technical field
The present invention relates to environment protection novel field, and in particular to a kind of filter food controls water earthworm bioturbation effect
Analogy method.
Background technology
Lake sediment is the important accumulation storehouse of Lakes in Nutrition material, situation about significantly being cut down in exogenous pollution
Under, the contaminating endogenous caused by the release of marine sediments is also the very important important side for preventing lake recovery process
Face.The eutrophic lake practice of harnessing of Sweden shows, after the exogenous nutrition salt in lake 99% obtains control, from deposit
Nitrogen phosphorus discharges the primary productivity for being able to maintain that aquatic ecosystem in eutrophy level up to 10 years as long as.Zoobenthos is biological
The transfer of nutritive salt between the caused deposit-overlying water of disturbance is the key factor of contaminating endogenous release.Bioturbation
The mass exchange flux of sediment interstitial water and overlying water can be accelerated, accelerate microminiature biology to the decomposition mineralising of organic matter and generation
Apologize for having done sth. wrong journey.Water earthworm very high density in the high water body of Eutrophic Extent, deposit, so as to cause the nutritive salt in deposit
Discharged to overlying water.
Endogenous pollution control refers to that deposit is dredged in lake（Including stockyard disposal）, deposit original position covering and nutrients
Passivation.Generally it is available for the technology utilized to have：Lime（CaCO3）Processing, FeCl3, aluminum sulfate（Alum）Or sodium aluminate, Ca (NO3)2
Deng, artificial aeration, diversion dilution etc., but operationally there is certain difficulty, and there is certain ecological risk in chemical method.
Therefore, how to reduce water body recovery technology, improve transparency, be the crucial ring of eutrophication water ecological reestablishment
One of section.Patent of the present invention is exactly to pass through biomanipulation（Add filter food）Improve what water earthworm bioturbation was caused
Negative effect, so as to reach the purpose for repairing eutrophic water body.
The content of the invention
It is an object of the invention to provide a kind of analogy method of the bioturbation effect of utilization Corbicula fluminea control water earthworm, the mould
Plan method is obtained in eutrophication water by accurate simulated experiment（Such as lake, pond）In the Corbicula fluminea control that is used
The method of the bioturbation effect of water earthworm processed.
The analogy method of the bioturbation effect that water earthworm is controlled with Corbicula fluminea of the present invention, concrete technical scheme is：
A kind of analogy method of the bioturbation effect of utilization Corbicula fluminea control water earthworm, described analogy method includes lake water
Processing, deposit processing, addition Corbicula fluminea and water earthworm and sampling.
Further, methods described is specially：
（1）The processing of lake water：From the filtered lake water in Taihu Lake, the addition nutritive salt regulation initial chlorophyll concentration of water body is arrived
69-71µg/L；The water temperature of lake water is 29-31 DEG C, and the depth of water is 30 cm；
（2）The processing of deposit：The deposit in Taihu Lake is picked up from, crosses after netting and mixes, be sub-packed in the lucite of water white transparency
Cylinder, sediment depth 15cm, Organic glass column is d=14cm, h=50cm, floor space s=153.86cm2, totally 16；
（3）Corbicula fluminea group, water earthworm are added, and each lucite cylinder is placed in blueness side's cylinder, blueness side's cylinder is placed in
On the experiment porch of Taihu Lake station air circulation；
（4）Sampling：Common water sampling 5 times, 5 days/time；Analysis determines water body total nitrogen（TN）, total dissolved nitrogen（TDH）, ammonium nitrogen
（NH4 +-N）, total phosphorus（TP）, always dissolve phosphorus（TDP）, active phosphorus（PO4 3--P）, chlorophyll a（Chl a）And total suspended matter（TSS）Deng
Hydration index；ANOVA side in calculating processing, statistic software SPSS is carried out to data using office software Microsoft Excel
Method is analyzed data difference；
Preferably, the step（1）Middle lake water is through 80 mesh screens；Nutritive salt is KNO3（6g/L）And KH2PO4（0.14g/
L ）；The step（2）Middle deposit crosses 2mm stainless steel mesh.
Preferably, the step（3）In, water earthworm density is 150/post, i.e., 9800/m2；Corbicula fluminea density be 4/
Post, 260/m2Or 650g/ m2；It is set to four groups：A groups（Control group）, B groups（Corbicula fluminea group）, C mixing groups（Water earthworm+
Corbicula fluminea）With D groups（Water earthworm group）；Every group of setting 4 is parallel.
Preferably, the long 20-25 mm of above-mentioned Corbicula fluminea shell, high 10-20 mm, the long 25-40 mm of described water earthworm body, body
Wide 0.7-0.8 mm, are all from Taihu Lake.
The present invention employs ecological approach according to ecological principle, realizes the life for accurately controlling Corbicula fluminea water earthworm
The simulation of thing disturbance effect, using bio operon principle, Corbicula fluminea is broadcasted sowing in the water surface, suppresses the water nutrition that bioturbation is brought
Rise, planktonic algae amount reproduction, water transparency decline etc. negative effect so that reach repair eutrophication water mesh
, this method has the low feature of safety, cost.
Brief description of the drawings
Fig. 1 water earthworms, Corbicula fluminea influences on overlying water TN concentration.
Fig. 2 Corbicula flumineas, water earthworm influences on overlying water TDN concentration.
Fig. 3 Corbicula flumineas, water earthworm influences on overlying water NH4+ concentration.
Fig. 4 Corbicula flumineas, water earthworm influences on overlying water TP contents.
Fig. 5 Corbicula flumineas, water earthworm influences on overlying water TDP contents.
Fig. 6 Corbicula flumineas, water earthworm influences on overlying water PO43- contents.
Fig. 7 Corbicula flumineas, water earthworm influences on overlying water chlorophyll content.
Fig. 8 Corbicula flumineas, water earthworm has on water body TSS significantly affects influence.
Embodiment
The analogy method of the present invention, board design method is：
Two factors：Water earthworm（150/post, i.e., 9800/m2；Nothing）；Corbicula fluminea（4/post, 260/m2Or 650g/
m2；Nothing）；It is set to four groups：A groups（Control group）, B groups（Corbicula fluminea group）, C mixing groups（Water earthworm+Corbicula fluminea）With D groups（Water earthworm
Earthworm group）；Every group of setting 4 is parallel, needs Organic glass column（D=14cm, h=50cm, floor space s=153.86cm2）16；Corbicula fluminea
（Shell long 20-25 mm, high 10-20 mm）, water earthworm（The long 25-40 mm of body, the wide 0.7-0.8 mm of body）It is all from Lake Taihu
Gulf mouthful.Water earthworm is Hope's water silk earthworm（Limnodrilus hoffmeisteri）.
A kind of filter food of embodiment 1 controls the analogy method of water earthworm bioturbation effect
The analogy method of the present invention, including following process：
（1）The processing of lake water：Taihu Lake lake water through 80 mesh sieve net filtrations, uses KNO3（6g/L）And KH2PO4（0.14g/L）Adjust
Section makes the initial chlorophyll concentration of water body reach 69-71 μ g/L；The water temperature of lake water is 29-31 DEG C, and the depth of water is 30 cm；
（2）The processing of deposit：The deposit for picking up from Taihu Lake crosses aperture to be mixed after 2mm stainless steel mesh, water white transparency
Lucite cylinder in sediment depth 15cm；
（3）Corbicula fluminea group, water earthworm are added by design；
（4）Each lucite cylinder is placed in blueness side's cylinder, blueness side's cylinder is placed in the experiment of Taihu Lake station air circulation
On platform；
（5）Sampling：Common water sampling 5 times, 5 days/time；Analysis determines water body total nitrogen（TN）, total dissolved nitrogen（TDH）, ammonium nitrogen
（NH4 +-N）, total phosphorus（TP）, always dissolve phosphorus（TDP）, active phosphorus（PO4 3--P）, chlorophyll a（Chl a）And total suspended matter（TSS）Deng
Hydration index；ANOVA side in calculating processing, statistic software SPSS is carried out to data using office software Microsoft Excel
Method is analyzed data difference.
Water earthworm, Corbicula fluminea has on overlying water TN to be significantly affected（P<0.05）, and there is reciprocation between the two（P<
0.05）.Water earthworm can dramatically increase overlying water TN contents, and TN contents are higher than control group in water earthworm group overlying water at the end of experiment
The 27.8% of content, and Corbicula fluminea and the two reciprocation can then significantly reduce overlying water TN contents, the two content point at the end of experiment
24.3%, 27.2% is not reduced than control group.See Fig. 1.
Corbicula fluminea has on overlying water TDN to be significantly affected（P<0.05）, and water earthworm and its reciprocation to overlying water then without
Significantly affect（P>0.05）.Corbicula fluminea can significantly reduce overlying water TDN contents, at the end of experiment, and Corbicula fluminea group TDN contents are less than control
The 12.2% of content.See Fig. 2.
Corbicula fluminea is to overlying water NH4 +Content has a significant impact（P<0.05）, water earthworm its do not make significant difference（P>0.05）, the two
Between have reciprocation（P<0.05）.Corbicula fluminea and the two reciprocation can significantly reduce overlying water NH4 +Content, at the end of experiment,
NH in the two overlying water4 +Content point reduces 28.2%, 7.5% than control group.See Fig. 3.
Corbicula fluminea and water earthworm are significantly affected on having on overlying water TP contents（P<0.05）, non-interaction action between the two（P
>0.05）.Corbicula fluminea can significantly reduce overlying water TP contents, at the end of experiment, and Corbicula fluminea group TP contents are less than control group content
14.1%.Water earthworm can dramatically increase overlying water TP contents, at the end of experiment, and water earthworm group TP contents are 1.2 times of control group.
See Fig. 4.
Corbicula fluminea, water earthworm has on overlying water TDP contents to be significantly affected（P<0.05）, there is reciprocation between the two（P
<0.05）.Corbicula fluminea, water earthworm and the two reciprocation can significantly reduce overlying water TDP contents, at the end of experiment, Corbicula fluminea group,
TDP contents are respectively lower than 8.3%, 14.6% and the 32.6% of control group in mixing group and water earthworm group.See Fig. 5.
Corbicula fluminea, water earthworm is to overlying water PO4 3-Content have significantly affect (P<0.05), there is reciprocation between the two
（P<0.05）.Corbicula fluminea, water earthworm and the two reciprocation can significantly reduce overlying water PO4 3-Content, at the end of experiment, Corbicula fluminea
PO in group, mixing group and water earthworm group4 3-Content is respectively lower than 40.0%, 58.2% and the 74.0% of control group.See Fig. 6.
Corbicula fluminea, water earthworm has on overlying water Chlorophyll-a Content significantly affects (P<0.05), there is interaction work between the two
With（P<0.05）.Corbicula fluminea and the two reciprocation can significantly reduce overlying water Chlorophyll-a Content, at the end of experiment, mixing group
Corbicula fluminea group and Corbicula fluminea group overlying water Chlorophyll-a Content are respectively lower than the 51.4% of control group, 73.3%.Water earthworm can be dramatically increased
Water Chlorophyll-a Content is covered, at the end of experiment, water earthworm group Chlorophyll-a Content is 1.92 times of control group content.See Fig. 7.
Corbicula fluminea is to water body TSS（Suspension）With significantly affecting（P<0.05）, water earthworm do not make significant difference to water body TSS（P
>0.05）, non-interaction action between the two（P>0.05）.Corbicula fluminea can significantly reduce water body TSS contents, at the end of experiment, in Corbicula fluminea group
TSS contents are less than control group 73.8%, see Fig. 8.
Experiment shows that the bioturbation of water earthworm can cause Nutrient release, make water nutrition salinity and swim alga
Class biomass is raised, and water nutrition salinity and Chlorophyll-a Content can then be significantly reduced by putting Corbicula fluminea in a suitable place to breed.According to this experiment（In advance
Experiment）As a result and the Corbicula fluminea distribution density in natural lake, it is believed that the breeding density of Corbicula fluminea is 601-700g/m2.According to reality
Water earthworm density is tested in the density of water earthworm in result and natural lake, deposit in 1000-15000 tails/m2It can use
This method.
Application in the lake eutrophication water remediation of embodiment 2
2010 in the restoration of the ecosystem demonstration project of Wuxi Lake Wuli, in the higher deposit table of water earthworm distribution density
More Corbicula fluminea has been put in face in a suitable place to breed, and transparency reaches 90cm at the end of effectively improving water quality, engineering, and water body is limpid, and water quality is good.
Claims (2)
1. a kind of analogy method of the bioturbation effect of utilization Corbicula fluminea control water earthworm, it is characterised in that described simulation side
Method includes processing, the processing of deposit, addition Corbicula fluminea and water earthworm and the sampling of lake water；
Described analogy method is specially：
（1）The processing of lake water：From the filtered lake water in Taihu Lake, addition nutritive salt adjusts the initial chlorophyll concentration of water body to 69-
71µg/L；The water temperature of the lake water is 29-31 DEG C, and the depth of water is 30 cm；
（2）The processing of deposit：The deposit in Taihu Lake is picked up from, crosses after netting and mixes, be sub-packed in the lucite cylinder of water white transparency,
Sediment depth 15cm；The lucite body diameter d=14cm, high h=50cm, floor space s=153.86cm2, totally 16；
（3）Corbicula fluminea, water earthworm are added, and each lucite cylinder is placed in blueness side's cylinder, blueness side's cylinder is placed in too
On the experiment porch of lake station air circulation；
（4）Sampling：Common water sampling 5 times, 5 days/time；Analysis determines water body total nitrogen（TN）, total dissolved nitrogen（TDH）, ammonium nitrogen（NH4 +-
N）, total phosphorus（TP）, always dissolve phosphorus（TDP）, active phosphorus（PO4 3--P）, chlorophyll a（Chl a）And total suspended matter（TSS）Aquation refers to
Mark；ANOVA method logarithms in calculating processing, statistic software SPSS are carried out to data using office software Microsoft Excel
Analyzed according to difference；
The step（1）Middle lake water is through 80 mesh screens；The nutritive salt added is 6g/L KNO3With 0.14g/L's
KH2PO4；The step（2）Middle deposit crosses 2mm stainless steel mesh；
The step（3）In, water earthworm density is 150/post, i.e., 9800/m2；Corbicula fluminea density is 4/post, 260/m2
Or 650g/ m2；The addition Corbicula fluminea, the mode of water earthworm are four groups of setting：Control group A group, Corbicula fluminea group B, water earthworm+
Corbicula fluminea C mixing group and water earthworm group D；Every group of setting 4 is parallel.
2. analogy method according to claim 1, it is characterised in that described Corbicula fluminea shell long 20-25 mm, high 10-20
Mm, the long 25-40 mm of described water earthworm body, the wide 0.7-0.8 mm of body, are all from Taihu Lake.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887742A (en) * | 2005-06-30 | 2007-01-03 | 宝山钢铁股份有限公司 | Controllable fast reservior blue-green alga bloom eliminating method |
| CN103771587A (en) * | 2012-10-23 | 2014-05-07 | 苏州科技学院 | Novel method for combined usage of Corbicula fluminea and Limnodrilus hoffmeisteri in inhibition of release of endogenous phosphorus in closed water body |
| CN104355416A (en) * | 2014-12-04 | 2015-02-18 | 上海能正渔业科技开发有限公司 | Algae-controlling and water-purifying biocenosis |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887742A (en) * | 2005-06-30 | 2007-01-03 | 宝山钢铁股份有限公司 | Controllable fast reservior blue-green alga bloom eliminating method |
| CN103771587A (en) * | 2012-10-23 | 2014-05-07 | 苏州科技学院 | Novel method for combined usage of Corbicula fluminea and Limnodrilus hoffmeisteri in inhibition of release of endogenous phosphorus in closed water body |
| CN104355416A (en) * | 2014-12-04 | 2015-02-18 | 上海能正渔业科技开发有限公司 | Algae-controlling and water-purifying biocenosis |
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