CN104891664A - Water ecological restoration method for compounding artificial fish reefs and artificial water plants - Google Patents
Water ecological restoration method for compounding artificial fish reefs and artificial water plants Download PDFInfo
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- CN104891664A CN104891664A CN201510324807.5A CN201510324807A CN104891664A CN 104891664 A CN104891664 A CN 104891664A CN 201510324807 A CN201510324807 A CN 201510324807A CN 104891664 A CN104891664 A CN 104891664A
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Abstract
The invention discloses a water ecological restoration method for compounding artificial fish reefs and artificial water plants. The water ecological restoration method comprises the following steps: (1) screening the artificial fish reefs and the artificial water plants; (2) fixing the artificial water plants to the top of the artificial fish reefs; (3) adding the artificial fish reefs fixed with the artificial water plants to an area to be repaired. The water ecological restoration method combines the advantages of the artificial fish reefs and the artificial water plants, that is, the artificial fish reefs can induce the fish shoal and fish to inhabit and multiply, and meanwhile microorganisms in water body can easily grow and adhere due to the large specific surface area of the artificial water plants, so that pollutants of nitrogen, phosphorus, COD and the like in the water body can be effectively degraded, suspended solids (ss) in the water body can be removed, and the water ecological environment can be improved. In addition, the artificial water plants can stop and store organic detritus to provide food for the fish, so that the efficiency in repairing an ecological system is improved, and the landscape effect is improved.
Description
Technical field
The present invention relates to ecological restoring and rehabilitating field, particularly relate to marine ecology reconstruction field.
Background technology
Ocean is one of resource of mankind's preciousness, for the mankind and other species provide various welfare and life condition.The blowdown wantonly of the industrialization constantly expanded from the end of the seventies in last century, urbanization and various factory brings water resources to worsen to urban surface water body and along the coastline, the problems such as aquatic ecosystem serious degradation.Repair the degraded ecosystem of surface water, make water ecological structure and functional rehabilitation normally have important Theory and applications and be worth.
Artificial marine habitat is a kind of water-bed wall coarsenization technique, and it imitates some natural fish shelter features, has a mind to be placed under water or the submerged structure in seabed, fishes the earliest for business.Degenerate along with the marine eco-environment and pollute, artificial marine habitat has become the important technology repairing the marine eco-environment, serves the effect improving water area ecological environment, lure collection fish habitat or breeding, reaches the effect of Reparation and Reconstruction ecotope.But the input of artificial marine habitat is to the removal effect of water body nitrogen phosphorus and improve water landscape DeGrain.Artificial aquatic weed is a kind of high molecular polymer biofilm carrier, the natural waterweeds in aquatic ecosystem is copied to design, there is very high specific surface area, himself huge specific surface area and strong polar group can be relied on to filter out superior microorganism group, form microbial film, the nutritive substance such as organism and nitrogen phosphorus in degraded bed mud, remove the suspended substance in water body simultaneously, the effect of fish food is provided, but artificial aquatic weed fish habitat or breeding attractive effect not strong.
Existing artificial marine habitat and artificial aquatic weed improvement opportunity are improve its profile and material mostly.Such as, artificial marine habitat improvement opportunity has tree-like artificial marine habitat, inclined-plane artificial marine habitat, multifunction manual fish shelter, rising streaming artificial marine habitat, square cage type artificial fish reef for shell proliferation and grouting substrate artificial fish reef etc., artificial aquatic weed improvement opportunity has cord shape artificial aquatic weed, many ring series winding artificial aquatic weeds, smelly stonewort type artificial marine habitat, bio-strip type artificial aquatic weed and A Keman ecological matrix etc.Artificial marine habitat improvement opportunity can improve water body flow field effect, increase biological habitat, but to the poor removal effect of water body nitrogen phosphorus, and the improvement opportunity of artificial aquatic weed can effectively remove Water phosphorus, COD and suspended substance, but the biology of artificial aquatic weed lures collection indifferent.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, a kind of Ecological Recovery of Water method of artificial marine habitat and artificial aquatic weed compound is provided, effectively can improves remediation efficiency and the water body health of aquatic ecosystem, improve the range of application of recovery technique.
The Ecological Recovery of Water method of a kind of artificial marine habitat of the present invention and artificial aquatic weed compound, it comprises the following steps:
(1) artificial marine habitat and artificial aquatic weed is screened;
(2) artificial aquatic weed is fixed on the top of artificial marine habitat;
(3) artificial marine habitat after fixing artificial aquatic weed is added to area to be repaired.
Compared with prior art, the invention has the beneficial effects as follows: the present invention has organically combined the advantage of artificial marine habitat and artificial aquatic weed, namely artificial marine habitat can be bred luring fish gathering group fish habitat, the specific surface area that artificial aquatic weed is very large is simultaneously easy to microorganisms in water growth attachment, effectively to degrade the pollutents such as Water phosphorus, COD, remove the suspended substance ss in water body, improve water ecological environment.Artificial aquatic weed can cut and deposit organic debris simultaneously, for fish provide food, improves the efficiency of repairing the ecosystem, strengthens landscape effect.
Accompanying drawing explanation
Fig. 1 is the artificial marine habitat shape figure adopted in the Ecological Recovery of Water method of a kind of artificial marine habitat of the present invention and artificial aquatic weed compound;
Fig. 2 is that in the inventive method, artificial marine habitat is fixedly connected with schematic diagram with artificial aquatic weed;
Fig. 3 fixes schematic diagram for the set collar in the artificial marine habitat shown in Fig. 2 of the present invention and artificial aquatic weed fixed connection structure;
Fig. 4 is artificial aquatic weed distribution plane figure in the inventive method;
In figure: 1-artificial marine habitat, 2-artificial aquatic weed, 3-floating drum, 4-sleeve, 5-screw, 6-set collar, 7-pasture and water base.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Specific embodiment mode described herein only for explaining the present invention, the protection domain be not intended to limit the present invention.
The Ecological Recovery of Water method of a kind of artificial marine habitat of the present invention as shown in drawings and artificial aquatic weed compound, it comprises the following steps:
(1) artificial marine habitat and artificial aquatic weed is screened: according to the local water surrounding of area to be repaired and the material of species ecological habit determination artificial marine habitat and type; According to shape and the material of local water surrounding and local aquatic plant species determination artificial aquatic weed;
For making artificial marine habitat not prone to tip over, stability in water body high in this step, the fish shelter that center of gravity is low, base is steady should be selected.
The shape of artificial aquatic weed and the selection of material ensure that water pollutant is removed and landscape effect as far as possible.
(2) artificial aquatic weed is planted: top artificial aquatic weed being fixed on artificial marine habitat.Immobilization material and fixed form are determined according to the shape of water surrounding and artificial aquatic weed, and the quantity of the artificial aquatic weed that every block artificial marine habitat top is fixed is determined according to local water surrounding and fish shelter shape.The top structure of artificial marine habitat should ensure place more artificial aquatic weed at its top as far as possible.
(3) artificial marine habitat after fixing artificial aquatic weed is added to area to be repaired; The time that fish shelter is thrown in is determined according to species main mating period, throws area and determines according to reparation target.
In preferred described step (2), the fixed sturcture of artificial aquatic weed is: described artificial aquatic weed 2 is fixed on support bar, at the top of described support bar, floating drum 3 is installed, at described sleeve 4 inner bottom part, pasture and water base 7 is installed, described support bar bottom is through the set collar up and down 6 be arranged in sleeve and the bottom of described support bar is inserted on pasture and water base 7, described set collar up and down 6 is fixed in sleeve by the screw arranged through sleeve, and the bottom of described sleeve 4 is fixed on artificial marine habitat.
Embodiment 1
Reconstruction is carried out to Bohai Sea Gulf offshore degraded ecosystem below, for economic zone, Tianjin one basin.Composition graphs 1, Fig. 2 and Fig. 3 are described in detail restorative procedure of the present invention.
(1) artificial marine habitat and artificial aquatic weed is screened:
Artificial marine habitat screens:
The material of artificial marine habitat reefs is based on Steel Concrete, very compatible, the easy acquisition of this material and ocean environment, durable, stable, plasticity-is strong, good surface can be provided for settler and biological growth, and provide sanctuary and food for other invertebratess and fish.Type is box fish shelter, and it is at the good stability in seabed, for fish provide the place of well taking refuge and perching.Top design hole is triangular shaped, can fix more artificial aquatic weed at top.Technical requirements is with reference to " Code for design of concrete structures " (GBJ10-89), " jtj300-2000 " (JTJ300-2000), for the concrete in briny environment, design period is the concrete structure of 50 years, and strength grade needs to reach C35; With reference to " design of hydraulic concrete structures specification " (DL/T5057), impervious design adopts grade S8.
Artificial aquatic weed screens:
The material of artificial aquatic weed is based on high molecular polymer, and it has very strong resistant, corrosion-resistant, elasticity, toughness and flexibility.The shape of artificial aquatic weed elects sea tangle type as, is highly 50cm.
Plantation artificial aquatic weed:
Artificial aquatic weed adopts sleeve to be fixed on the top of artificial marine habitat.First be fixed on artificial marine habitat by sleeve, fixed form has two kinds, and a kind of is directly assign on artificial marine habitat by sleeve when manufacturing artificial fish shelter; Another is fixed on brandreth by sleeve, after again brandreth is fixed on artificial marine habitat.Bush material elects pvc tube as.In order to easily artificial aquatic weed is fixed in sleeve, adopt bucket ring type technique for fixing, namely after artificial aquatic weed adds sleeve, add two set collars, first set collar, near pasture and water base, prevents pasture and water from sliding up and down, and second set collar arranges apart from appropriate position, first set collar top, play and prevent the effect of pasture and water double swerve, the collar is all screwed.It is low, simple, convenient that this method installs pasture and water cost, good fixing effect.
(3) after fixing artificial aquatic weed, artificial marine habitat adds
Be about in 6m at range averaging subtidal line, the artificial marine habitat securing artificial aquatic weed is thrown in the marine site planning of 2%, and the spacing of fish shelter unit is 100m.Setting direction and the current direction of artificial marine habitat have certain intersection.In order to before the mating period that biological know-how wants (Bohai Sea Gulf offshore is biological at Wheat summer sowing), allow artificial marine habitat provide substrate, throw the artificial marine habitat securing artificial aquatic weed in spring.
Adopt artificial marine habitat and artificial aquatic weed Compound Water ecological reestablishment, the biomass of aquatic ecosystem increases 30%, and species abundance increases, and improves stability and the health of the ecosystem, achieve fish shelter and improve fish biomass, pasture and water provide organic relation of flutterring food and supply of nutrition foodstuff.Meanwhile, Water tp removal rate is greater than 40%, and removal efficiency is greater than 15%, COD clearance and is greater than 50%, and Water quality reparation and landscape effect improve obviously.
Claims (2)
1. an Ecological Recovery of Water method for artificial marine habitat and artificial aquatic weed compound, it is characterized in that, it comprises the following steps:
(1) artificial marine habitat and artificial aquatic weed is screened;
(2) artificial aquatic weed is fixed on the top of artificial marine habitat;
(3) artificial marine habitat after fixing artificial aquatic weed is added to area to be repaired.
2. the Ecological Recovery of Water method of artificial marine habitat according to claim 1 and artificial aquatic weed compound, it is characterized in that, in described step (2), the fixed sturcture of artificial aquatic weed is: described artificial aquatic weed is fixed on support bar, at the top of described support bar, floating drum is installed, at described sleeve inner bottom part, pasture and water base is installed, described support bar bottom is through the set collar be up and down arranged in sleeve and the bottom of described support bar is inserted on pasture and water base, described set collar is up and down fixed in sleeve by the screw arranged through sleeve, the bottom of described sleeve is fixed on artificial marine habitat.
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| CN201510324807.5A CN104891664A (en) | 2015-06-12 | 2015-06-12 | Water ecological restoration method for compounding artificial fish reefs and artificial water plants |
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| CN201510324807.5A CN104891664A (en) | 2015-06-12 | 2015-06-12 | Water ecological restoration method for compounding artificial fish reefs and artificial water plants |
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| CN104891664A true CN104891664A (en) | 2015-09-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064267A (en) * | 2015-09-14 | 2015-11-18 | 朱明德 | Artificial water plant for hydraulic engineering and dam base protection device of hydroelectric power plant water outlet |
| CN110272124A (en) * | 2019-07-22 | 2019-09-24 | 长江水利委员会长江科学院 | A kind of artificial reef restored for sand bit benthonic realm |
| CN110495416A (en) * | 2019-09-30 | 2019-11-26 | 重庆交通大学 | A kind of ecological software fish shelter adapting to Upper Yangtze River |
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| CN1800049A (en) * | 2005-12-14 | 2006-07-12 | 东南大学 | Bionic aquatic weed and its intensified purification method for water quality |
| CN101905926A (en) * | 2010-08-24 | 2010-12-08 | 环境保护部华南环境科学研究所 | Ecologically adjustable fish reef ecological floating bed device |
| CN203486972U (en) * | 2013-09-29 | 2014-03-19 | 天津大学城市规划设计研究院 | Wooden trestle and biological grid integrated water body purifying device |
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2015
- 2015-06-12 CN CN201510324807.5A patent/CN104891664A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800049A (en) * | 2005-12-14 | 2006-07-12 | 东南大学 | Bionic aquatic weed and its intensified purification method for water quality |
| CN101905926A (en) * | 2010-08-24 | 2010-12-08 | 环境保护部华南环境科学研究所 | Ecologically adjustable fish reef ecological floating bed device |
| CN203486972U (en) * | 2013-09-29 | 2014-03-19 | 天津大学城市规划设计研究院 | Wooden trestle and biological grid integrated water body purifying device |
Non-Patent Citations (1)
| Title |
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| 夏章英等: "《人工鱼礁工程学》", 31 December 2011 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064267A (en) * | 2015-09-14 | 2015-11-18 | 朱明德 | Artificial water plant for hydraulic engineering and dam base protection device of hydroelectric power plant water outlet |
| CN110272124A (en) * | 2019-07-22 | 2019-09-24 | 长江水利委员会长江科学院 | A kind of artificial reef restored for sand bit benthonic realm |
| CN110495416A (en) * | 2019-09-30 | 2019-11-26 | 重庆交通大学 | A kind of ecological software fish shelter adapting to Upper Yangtze River |
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Application publication date: 20150909 |