CN103636430B - Device and method for influencing aquatic plant growth by water level, water depth, water quality and bottom mud changes - Google Patents

Device and method for influencing aquatic plant growth by water level, water depth, water quality and bottom mud changes Download PDF

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Publication number
CN103636430B
CN103636430B CN201310731902.8A CN201310731902A CN103636430B CN 103636430 B CN103636430 B CN 103636430B CN 201310731902 A CN201310731902 A CN 201310731902A CN 103636430 B CN103636430 B CN 103636430B
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China
Prior art keywords
water
planting groove
fixed
bed mud
crossbeam
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Expired - Fee Related
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CN201310731902.8A
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CN103636430A (en
Inventor
胡维平
徐伟伟
朱金格
周楠楠
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Nanjing Institute of Geography and Limnology of CAS
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Nanjing Institute of Geography and Limnology of CAS
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Hydroponics (AREA)

Abstract

The invention discloses a device and a method for influencing aquatic plant growth by water level, water depth, water quality and bottom material changes. The device comprises cross-shaped planting troughs, a fixed bracket and a floating bracket, wherein each cross-shaped planting trough comprises a blackboard layer positioned at the outer part and an organic glass layer positioned on the inner side of the blackboard layer; the organic glass layers are spliced and formed into the cross-shaped planting troughs of which the upper parts are open; the blackboard layer is positioned on the outer side of the organic glass layer, and is tightly and fixedly jointed with the organic glass layer through rivets. According to the invention, organic glass is adopted to make the planting troughs, the growth condition of the submerged plant root system can be clearly observed, the submerged plant root system is not hurt, and further observation of the growth condition of the submerged plant root system is facilitated; the device adopts the cross-shaped structure, and is relatively stable in water; the two groups of same planting troughs are respectively hung under the fixed bracket and the floating bracket, so that the influence on plants by the water depth change can be easily measured; the planting troughs are filled with different bottom materials, when the planting troughs are hung on a cross beam of the fixed bracket or the floating bracket, the influence on the plants by different bottom mud can be easily measured, and influence on plants by the water quality can be measured when the planting troughs are put into different water bodies.

Description

The apparatus and method of the water level depth of water, water quality, bed mud variable effect aquatic plants growth
Technical field
What the present invention relates to is a kind of aquatic plants growth apparatus and method, the apparatus and method of especially a kind of water level depth of water, water quality, bed mud variable effect aquatic plants growth.
Background technology
Submerged vegetation has purifying water body, improves the important function of water quality, and it is grown main nutrition salinity and temperature, the under water light intensity, water nutrition, bed mud etc. of being subject to expansion and affects.
The only photosynthetic energy source of submerged plant, light intensity deficiency or shortage submerged plant are difficult to grow, grow under water, and submerged vegetation can be caused to disappear, and then can cause water quality deterioration, algae etc. grow fast, bring serious environmental problem, even disaster.Light intensity is except being limited by the transparency of reflection lake water quality quality under water, also by the distance controlling of dried up of water body; When water transparency is certain, water body is larger apart from the distance of the water surface, and wherein light intensity is more weak under water; Otherwise, more stronger close to water surface light intensity.At the submerged plant development growth initial stage, determine that its key element grown is just lakebed light intensity, light intensity magnitude is directly determined by the depth of water, and the depth of water larger lakebed light intensity is more weak, and the depth of water lakebed light intensity that diminishes increases.When lake landform does not change, water level is the sole determinant of the depth of water.
Therefore, SEA LEVEL VARIATION will produce material impact to submerged vegetation.In recent years, because of construction and the water project operation of lake basins and periphery river construction thereof, the intrinsic variation characteristic of lake level there occurs great variety, and this change both may produce positive influences to submerged plant and submerged vegetation, also may have a negative impact; This impact is not because coming into one's own and studying, not clear, under the very serious situation of current Water Environment In Lakes problem, carry out the research that SEA LEVEL VARIATION affects lake submerged vegetation, take precautions against water level management to Taihu Lake submerged vegetation adverse effect and harm, just seem very urgent and important, and have important practical significance.
Substantial connection is then there is between the how many and water quality of the nutritive salt that plant can obtain, bed mud, when nutrient salt in water and the supply of bed mud Middle nutrition salt are suitable for, water plants can vigorous growth, and when water body and bed mud Middle nutrition salt too much or very few time, aquatic plants growth will be limited, even occurs withering death.
The method studying submerged plant growth in prior art is carried out on land, after plant growth a period of time, after needs dig out plant to come from earth, observation of plant root growth situation, be unfavorable for plant survival and continue to observe, and be simulate submerged plant growth situation on land in prior art, be difficult to observe contrast different water depth, water quality, the upgrowth situation of bed mud situation cascading water plant and change.
Summary of the invention
The present invention proposes a kind of water level depth of water, device that bed mud, change of water quality affect aquatic plants growth, it is characterized in that comprising cross planting groove, fixed support; Fixed support comprises crossbeam, column, and support bracket fastened crossbeam is directly fixed on column, and column is fixed in water-bed mud; Cross planting groove is fixed on support bracket fastened floating bracket crossbeam by tether in water, the blackboard layer that cross planting groove comprises, transparent organic glass layer and rivet, perspex layer splicing surrounds the cross planting groove of upper opening, planting groove is equipped with mud, the cross-tie played the role of fastening) between perspex layer, the blackboard layer preventing pipeline from injecting is positioned at outside perspex layer, and by several rivet and the tight fixed engagement of perspex layer.
Further improvement is: comprise floating bracket, and cross planting groove is fixed on the crossbeam of floating bracket by tether in water; Crossbeam is connected to water and floats top; Water is floating to be connected on column by iron hoop, and column is fixed in water-bed mud.
Based on the method that water level water depth ratio, bed mud, change of water quality affect the measurement device water level depth of water of aquatic plants growth, bed mud, change of water quality affect aquatic plants growth, bed mud on multiple planting grooves of device are in-built;
Water plants is planted in the planting groove of device;
Floating bracket and fixed support is set up in water body; The crossbeam being fixed on floating bracket can be elevated with SEA LEVEL VARIATION, and is fixed on support bracket fastened crossbeam and is not elevated with SEA LEVEL VARIATION.
Respectively by each for the planting groove of plant one or more be separately fixed at below different floating brackets and fixed support crossbeam water by tether in ad-hoc location;
Identical or different bed mud can be loaded as required in planting groove in above-mentioned steps, plant identical or different plants, the tether length be connected with planting groove experimentally object changes and regulates, planting groove puts into identical or different water quality as required, and select fixed support and floating bracket as required, the combination free setting with the need of above-mentioned various change, by observing the different water level depth of water, bed mud, phytomass in planting groove after change of water quality, root, stem, the leaf difference determination water level depth of water, bed mud, change of water quality is on the impact of water plants.
The present invention adopts lucite to do planting groove, after therefore removing the blackboard of perspex layer outside, clearly can see the upgrowth situation of submerged plant root system, not hinder submerged plant root system, be conducive to observing its upgrowth situation further; The device that water level water depth ratio affects aquatic plants growth is criss-cross structure, more steady in water, and it can be planted the plant of different group, is convenient to carry out observation contrast to its growth; Its water arranged is floating can fluctuate on column, by being fixed on comparing of the device of lakebed staking out with crossbeam, can be easy to measure SEA LEVEL VARIATION to the impact of plant, by the comparison of planting groove in different bed mud, water quality, the impact on plant growth of different bed mud, water quality can be seen.
Accompanying drawing explanation
Fig. 1 is the structural representation that water level water depth ratio affects the device of aquatic plants growth;
Fig. 2 is the structural representation that device that water level water depth ratio affects aquatic plants growth uses in water.
Fig. 3 is the use structural representation that device that water level water depth ratio affects aquatic plants growth has water floating in water.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing.
Embodiment 1
As Figure 1-3, the present invention proposes a kind of water level water depth ratio, device that water quality, bed mud affect aquatic plants growth, comprise cross planting groove, fixed support; Fixed support comprises crossbeam 8, column 5, and support bracket fastened crossbeam 8 is directly fixed on column 5, and column 5 is fixed in water-bed mud; Cross planting groove is fixed on support bracket fastened floating bracket crossbeam 8 by tether in water, the blackboard layer 1 that cross planting groove comprises, transparent organic glass layer 2 and rivet 4, perspex layer 2 splicing surrounds the cross planting groove 3 of upper opening, planting groove 3 is equipped with mud 10, the cross-tie 9 played the role of fastening is between perspex layer 2, the blackboard layer 1 preventing pipeline from injecting is positioned at outside perspex layer 2, and by several rivet and perspex layer 2 closely fixed engagement; This device also can comprise floating bracket, and cross planting groove is fixed on the crossbeam 8 of floating bracket by tether in water; Crossbeam 8 is connected to floating 7 tops of water; Water floating 7 is connected on column 5 by iron hoop 6, column 5 is fixed in water-bed mud, when SEA LEVEL VARIATION, water floating 7 can float along with water level amount of increase in water, and drive crossbeam 8 to move up and down, therefore the position of device in water that making to fill water level water depth ratio affects aquatic plants growth changes, but its degree of depth in water is constant, therefore can easily to grow situation in the different depth of water by observation of plant; First by the planting groove 3 of bed mud charging apparatus, then by after planting is in planting groove 3, planting groove 3 is fixed on a certain position in the water of different quality, observes under different quality, the depth of water plant growth and stem, root, leaf development situation under this bed mud to facilitate.
Water level water depth ratio, water quality, bed mud affect a method for aquatic plants growth, and the device that being planted by water plants affects aquatic plants growth in water level water depth ratio, water quality, bed mud is equipped with in the planting groove 3 of specific bed mud; The device of the impact of water level water depth ratio, water quality, bed mud aquatic plants growth is put into water; The device planting groove 3 water level water depth ratio, water quality, bed mud being affected aquatic plants growth is fixed on the ad-hoc location below crossbeam 8 in water; This depth of water, water quality, plant growth under bed mud is observed to facilitate.
Embodiment 2
Different bed muds is loaded onto in multiple planting grooves of device; Water plants of the same race is planted in the planting groove of device; Fixed support is set up in different quality water body; Wherein can be elevated with SEA LEVEL VARIATION with the floating crossbeam that water is floating, and fixed cross beam is not elevated with SEA LEVEL VARIATION; One or morely in water, the different ad-hoc location below floating crossbeam in water quality of the same race is fixed on by different length tether respectively by each for the planting groove 3 with the identical plant of identical bed mud; Planting groove 3 is fixed on crossbeam 8, crossbeam 8 is fixed on the column of lakebed indirectly, when SEA LEVEL VARIATION, water floating 7 can float along with water level amount of increase in water, and drive the crossbeam 8 that floats to move up and down, therefore make the position following water-level lifting of the planting groove 3 on floating crossbeam in water change, and then keep the depth of water residing for planting groove 3 constant all the time, therefore easily can observe the situation of growing of kindred plant under different bed muds, the depth of water.
Embodiment 3
One or morely to be fixed on each for the planting groove of same bed mud, same plant on floating crossbeam and fixed cross beam respectively with the tether of equal length simultaneously, and to be placed in same water quality; To be positioned on fixed cross beam planting groove 3 when when SEA LEVEL VARIATION, its headwater depth changes with SEA LEVEL VARIATION, the depth of water being fixed on the planting groove on fixed cross beam and floating crossbeam with the tether of equal length produces difference, the plant growth of the plantation of planting groove will be caused to produce difference, and this species diversity just embodies the impact of SEA LEVEL VARIATION.By the difference such as phytomass, root, stem, leaf in the planting groove that is fixed on floating crossbeam and fixed cross beam, and SEA LEVEL VARIATION feature determination SEA LEVEL VARIATION is on the impact of water plants.
Embodiment 4
The water level depth of water, bed mud, change of water quality affect a method for aquatic plants growth, are one or morely fixed on floating crossbeam or on fixed cross beam with the tether of equal length by each for the planting groove of different bed mud, same plant simultaneously; Determine that different bed mud is on the impact of water plants under the fixing depth of water and SEA LEVEL VARIATION by differences such as phytomass, root, stem, leaves in planting groove in different bed mud.
Embodiment 5
The water level depth of water, bed mud, change of water quality affect a method for aquatic plants growth, are one or morely fixed on fixed cross beam on the fixed support being positioned at different quality water body or floating crossbeam with the tether of equal length by each for the planting groove of same bed mud, same plant simultaneously; By difference determination water quality such as phytomass, root, stem, leaves in planting groove under the identical type crossbeam of different quality water body on the impact of water plants.
Identical or different bed mud can be loaded as required in planting groove in above-described embodiment, plant identical or different plants, the tether length be connected with planting groove experimentally object changes and regulates, planting groove puts into identical or different water quality as required, and select fixed support and floating bracket as required, the combination of above-mentioned various change can free setting with the need, by observing the different water level depth of water, bed mud, phytomass in planting groove after change of water quality, root, stem, the difference determination water level depth of waters such as leaf, bed mud, change of water quality is on the impact of water plants.
The beneficial effect of tool of the present invention is, adopts lucite to do planting groove, after therefore removing the blackboard of perspex layer outside, clearly can see the upgrowth situation of submerged plant root system, not hinder submerged plant root system, be conducive to observing its upgrowth situation further; The device that water level water depth ratio affects aquatic plants growth is criss-cross structure, more steady in water, and it can be planted the plant of different group, is convenient to carry out observation contrast to its growth; Its water arranged is floating can fluctuate on column, by being fixed on comparing of the device of lakebed staking out with crossbeam, can be easy to measure SEA LEVEL VARIATION to the impact of plant, by the comparison of planting groove in different bed mud, water quality, the impact on plant growth of different bed mud, water quality can be seen.
By reference to the accompanying drawings embodiments of the present invention are described in detail above, but the invention is not restricted to above-mentioned embodiment, in the ken that art those of ordinary skill possesses, can also make a variety of changes under the prerequisite not departing from present inventive concept.

Claims (3)

1. the water level depth of water, bed mud, change of water quality affect a device for aquatic plants growth, it is characterized in that comprising cross planting groove, fixed support; Fixed support comprises crossbeam (8), column (5), and support bracket fastened crossbeam (8) is directly fixed on column (5), and column (5) is fixed in water-bed mud; Cross planting groove is fixed on support bracket fastened floating bracket crossbeam (8) by tether in water, cross planting groove comprises blackboard layer (1), transparent organic glass layer (2) and rivet (4), perspex layer (2) splicing surrounds the cross planting groove (3) of upper opening, planting groove (3) is equipped with mud (10), the cross-tie (9) played the role of fastening is positioned between perspex layer (2), the blackboard layer (1) preventing light from injecting is positioned at perspex layer (2) outside, and by several rivet and perspex layer (2) closely fixed engagement.
2. water level water depth ratio according to claim 1, bed mud, change of water quality affect the device of aquatic plants growth, it is characterized in that: comprise floating bracket, floating bracket comprise can be elevated with SEA LEVEL VARIATION crossbeam (8), water floating (7), column (5), cross planting groove (3) is fixed on the crossbeam (8) of floating bracket by tether in water; Crossbeam (8) is connected to floating (7) top of water; Water floating (7) is connected in column (5) by iron hoop (6), and column (5) is fixed in water-bed mud.
3., based on the method that water level water depth ratio described in claim 1 or 2, bed mud, change of water quality affect the measurement device water level depth of water of aquatic plants growth, bed mud, change of water quality affect aquatic plants growth, it is characterized in that comprising the steps:
Bed mud on multiple planting grooves of device are in-built;
Water plants is planted in the planting groove of device;
Floating bracket and fixed support is set up in water body; The crossbeam being fixed on floating bracket is elevated with SEA LEVEL VARIATION, and is fixed on support bracket fastened crossbeam and is not elevated with SEA LEVEL VARIATION;
Respectively by each for the planting groove of plant one or more be separately fixed at below different floating brackets and fixed support crossbeam water by tether in ad-hoc location;
In planting groove, load identical or different bed mud in above-mentioned steps as required, plant identical or different plants, the tether length be connected with planting groove experimentally object changes and regulates, planting groove puts into identical or different water quality as required, and select fixed support and floating bracket as required, the combination free setting with the need of above-mentioned various change, by observing after the different water level depth of water, bed mud, change of water quality in planting groove phytomass, root, stem, the leaf difference determination water level depth of water, bed mud, change of water quality to the impact of water plants.
CN201310731902.8A 2013-12-26 2013-12-26 Device and method for influencing aquatic plant growth by water level, water depth, water quality and bottom mud changes Expired - Fee Related CN103636430B (en)

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CN106489581A (en) * 2016-12-06 2017-03-15 环境保护部南京环境科学研究所 Experimental provision and its method that a kind of water depth simulation and turbidity are affected on water plant
CN112056203B (en) * 2020-09-23 2023-09-19 苏州础润生态科技有限公司 Can accurately explore culture apparatus of growth depth of water to effect of submerged plant purification

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