CN1380261A - Ecological food chain control method of flea-like zooplankton bred in water source of drinking water - Google Patents
Ecological food chain control method of flea-like zooplankton bred in water source of drinking water Download PDFInfo
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- CN1380261A CN1380261A CN 02109734 CN02109734A CN1380261A CN 1380261 A CN1380261 A CN 1380261A CN 02109734 CN02109734 CN 02109734 CN 02109734 A CN02109734 A CN 02109734A CN 1380261 A CN1380261 A CN 1380261A
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Abstract
The present invention relates to a water treatment method by adopting ecological food chain control method, and is characterized by that in the lake or reservoir as water source of public waterworks the mixed culture of silver carp and flathead can be implemented, and their breeding amount is 30-150 g in every cu.m of water, and the weight ratio of breeding silver carp and flathead is 1-3:1. The silver carp pand flathead can effectively control the breeding of water fleas and other animal plankton so as to solve the ultrophication problem of the water source.
Description
Technical field: the present invention relates to a kind of water treatment method, particularly a kind of control method to the flea class zooplankton that multiplies in the drinking water source.
Background technology: the water pollution eutrophication situation in the drinking water source that makes goes from bad to worse, and human transition fishing has further destroyed the eubiosis in the natural water, and ecological degeneration has caused multiplying in a large number of water flea class zooplankton.This phenomenon is at many urban water resources, particularly occur in the water at reservoir, class water source, lake, and conventional water technology----coagulation, precipitation, filtration and sterilization is difficult to effectively remove to it in the water factory, all once finds water flea in water factory's clean water basin of some big and medium-sized cities of China and even pipe network and user's water.Zooplankton occurs in user's water the water flea class, not only violated the hygienic standard of Drinking Water, the more important thing is that most of water flea orders are the intermediate hosts such as pathogenic organisms in the water such as schistosomicide, nematode, thereby become a pathophorous important media, brought very big threat for people's water safety problem.
Summary of the invention: the present invention is a kind of ecologic food chain control method to the flea class zooplankton that multiplies in the drinking water source of development.This method has solved the problem that the eutrophication situation goes from bad to worse and flea class zooplankton multiplies in a large number in the present drinking water source.The present invention implements silver carp and the Yong fish is raised together with in as the lake at water source, waterworks or reservoir, the stocking rate of silver carp and Yong fish is to put 30～150 grams in every cubic metre of water in a suitable place to breed.Silver carp and Yong fish can effectively be controlled multiplying of water flea class zooplankton, solve the eutrophication problem in the water source.The present invention has filled up domestic and international shortage and from the angle of water treatment water flea class zooplankton has been carried out the blank of Control Study, for the research of this type of problem from now on provides necessary reference.The research of present technique is mainly from ecological angle, utilizes in the natural water relation of the food chain between coenosis to carry out the comprehensive regulation of water body.Adjust the trophic structure and the metaboilic level of water body by putting two kinds of freshwater fishes of silver carp Yong in a suitable place to breed, reach the ecology recovering balance and control the purpose that the flea class is grown with this.The invention has the advantages that: rely on ecotechnology administering of occurring in the water treatment because of the water source worsens the new problem that causes, it is a new way that meets Sustainable development, it also is a fundamental way that solves this type of problem in the long run, can not only solve the drinking water safety problem, also have many-sided benefits such as ecology, environment.Enforcement is controlled multiplying of water flea class zooplankton and certain promoter action has also been played in the recovery of water body to put the water body fish in a suitable place to breed, can also reduce the water treatment expense of water factory because of the recovery of water body, thereby obtain society, economic double effect, this technology certainly will be with a wide range of applications.
Embodiment: present embodiment is to put silver carp and Yong fish in a suitable place to breed in as the lake at water source, waterworks or reservoir, and the stocking rate of silver carp and Yong fish is to put 30～150 grams in every cubic metre of water in a suitable place to breed.The weight ratio of silver carp of being put in a suitable place to breed and Yong fish is (1～3): 1.Enforcement is that the freshwater fish of purpose is cultured with the ecological management, and by zooplankton and fish are adjusted the biomass of the stocked carp in the water body every monitoring once in 15～30 days.Monitoring method can be by setting up 3～5 sampling points (station), method by sample count is observed the number change of zooplankton, carry out the adjusting that the water body Mesichthyes is thrown in biomass according to the variation tendency of zooplankton biomass, the mode of using fish finder or utilizing trawlnet to fish for sample count is measured the overall biomass of the shoal of fish in the water body and by fishing for of regular fishery product water body Mesichthyes biomass is maintained in the needed scope.
Carried out the lab scale research of laboratory stage at the present invention: test is a research object with Cyclop representative in the water flea class zooplankton, by controlling different experiment conditions, finally finds a rational and effective ecotechnology control scheme.Experimental model is located in the Harbin municipal administration environmental engineering institute laboratory, and this experiment has used 3 volumes to be 1.2m
3Glass water tank (be of a size of 2 * 0.6 * 1m), experimental water is for adding sanitary sewage, orthophosphoric acid salt, ammonium chloride and the horsehit of some amount through the tap water after the aeration dechlorination, regular replenishment because of the lost moisture of volatilization and water sampling (condition of water quality of make up water substantially with water tank in consistent).Fish box overhung fluorescent tube, light intensity are about 90001x, and opening time every day is about 10 hours.After the cultivation naturally through 3 all left and right sides Cyclop class zooplanktons, formally enter the experimental phase.
Can draw to draw a conclusion by experimental study: implementing to raise together with silver carp, Yong in the test water body is the ecological management scheme of purpose, is when throwing in 30～40 gram fishes in every cubic metre of water the Cyclop in the water body to be had the better controlled effect at injected volume.In raising together with experiment, not only can effectively control multiplying of water flea: when the quantity of Cyclop is from on-test in the water body 22/ 0.8/L when L is reduced to off-test; And nutritive substances such as the N in the water, P have also obtained reduction: total phosphorus has reduced by 34% during off-test, total nitrogen reduced by 30%, organic indicator COD
MnReduced 18% and simultaneously the growth of planktonic algae has also been had certain restraining effect: during by on-test 1.2 * 10
6Individual/0.98 * 10 when L is reduced to off-test
6Individual/L, thus certain promoter action has been played in the recovery of water quality.
Claims (2)
1, to the ecologic food chain control method of the flea class zooplankton that multiplies in the drinking water source, it is characterized in that implementing silver carp in as the lake at water source, waterworks or reservoir and the Yong fish is raised together with, the stocking rate of silver carp and Yong fish is to put 30～150 grams in every cubic metre of water in a suitable place to breed.
2, the ecologic food chain control method to the flea class zooplankton that multiplies in the drinking water source according to claim 1 is characterized in that the silver carp put in a suitable place to breed and the weight ratio of Yong fish are (1～3): 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021097348A CN1176861C (en) | 2002-05-14 | 2002-05-14 | Ecological food chain control method of flea-like zooplankton bred in water source of drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021097348A CN1176861C (en) | 2002-05-14 | 2002-05-14 | Ecological food chain control method of flea-like zooplankton bred in water source of drinking water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1380261A true CN1380261A (en) | 2002-11-20 |
| CN1176861C CN1176861C (en) | 2004-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB021097348A Expired - Fee Related CN1176861C (en) | 2002-05-14 | 2002-05-14 | Ecological food chain control method of flea-like zooplankton bred in water source of drinking water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884138B (en) * | 2005-06-21 | 2010-04-28 | 云南正清生态技术有限公司 | Method for domesticating daphnia pulex, A. diaphana King, or moina irrasa in lake to eat blue algae |
| WO2016090810A1 (en) * | 2014-12-08 | 2016-06-16 | 环境保护部南京环境科学研究所 | Method for determining discharge capacity of drainage basin fresh water aquaculture pollution |
-
2002
- 2002-05-14 CN CNB021097348A patent/CN1176861C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884138B (en) * | 2005-06-21 | 2010-04-28 | 云南正清生态技术有限公司 | Method for domesticating daphnia pulex, A. diaphana King, or moina irrasa in lake to eat blue algae |
| WO2016090810A1 (en) * | 2014-12-08 | 2016-06-16 | 环境保护部南京环境科学研究所 | Method for determining discharge capacity of drainage basin fresh water aquaculture pollution |
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| Publication number | Publication date |
|---|---|
| CN1176861C (en) | 2004-11-24 |
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