CN204529460U - For the root system measuring apparatus of constructed wetland plant - Google Patents
For the root system measuring apparatus of constructed wetland plant Download PDFInfo
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- CN204529460U CN204529460U CN201520068952.7U CN201520068952U CN204529460U CN 204529460 U CN204529460 U CN 204529460U CN 201520068952 U CN201520068952 U CN 201520068952U CN 204529460 U CN204529460 U CN 204529460U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model " the root system measuring apparatus for constructed wetland plant ", relate to ecological engineering technology field, described device is the cylinder with top end opening, and the sidewall of described cylinder and bottom surface are evenly provided with multiple through hole, and described root system measuring apparatus adopts transparent material.Different from the root system measuring apparatus of prior art, root system measuring apparatus described in the utility model is for being planted in wherein by Root of Wetland Plants, can when not damaging root system of plant to root system routine observation, the changing conditions of timely understanding plant whole root system, has convenient and strength-saving, advantage accurately and effectively.
Description
Technical field
The utility model relates to ecological engineering technology field, is specifically related to a kind of root system measuring apparatus for constructed wetland plant.
Background technology
Constructed wetland waste water treatment technology comes across 20 century 70s.Artificial swamp has good wastewater purifying efficiency, and the sewage water treatment method that it is built and working cost is more traditional is low.Thus, since the nineties in 20th century, its application obtains the development be exceedingly fast., at present to the interaction process of the complexity of Plants of Constructed Wetlands, microorganism, soil matrix, pollutent and mechanism still very unclear.Lack at present the research to root system of plant in wetland especially, as the growth of root system of plant in wetland, distribution and biomass, the effect etc. of root system in wetland sewage disposal.Research is thought, wetland plant rhizosphere is the interactional active regions of plant, microorganism, matrix and pollutent, is thus also the most active region of sewage purification.Physics, the chemistry of the density of root and distribution and Wetland Substrate are relevant with biological nature, and the growth of root is considered to evaluation wetland plant and is applied to one of deciding factor of sewage disposal potentiality.But few to the understanding of artificial swamp root at present, it is a "black box" (black box) that artificial swamp root district is still taken as.
The purification function of wetland plant is relevant to the development degree of its root system, well developed root system, the longer plant of root system can expand the space of Constructed Wetland For Purifying sewage greatly, be conducive to microorganism particularly aerobic bacteria distribute to wetland deep, improve the ability that it is purified waste water, therefore, when the selection of wetland plant, the growing state of its root system be taken into full account.The research such as one-tenth level thinks that the root system of cattail and Rush is mainly distributed in the region of 25cm, and the root system of wetland plant is mainly distributed in the region within 25cm, for the construction of artificial swamp provides reference.
In soil matrix, the biomass of root system commonly uses the pedotheque that soil pencil drills through pedotheque or digs out certain volume with mining method, is separated and the root amount measured in pedotheque and obtaining.In soil matrix, the increment of root usually adopts and imbeds earth pillar method, regularly takes out the earth pillar imbedded, and is separated and the root amount measured in earth pillar and obtaining.The biomass sum imbedding the root that earth pillar method measures in 1 year is several times used as the estimated value of increment.The biomass of the root measured for 3 times can regard the estimated value of root growth amount as.But it is likely lower estimated value, because between measuring at 3 times, a small amount of root may have been had dead and not be included in mensuration.About 4 months of the life-span possibility of Tanner estimation sewage treating artificial wet land root.Mining method, soil drilling method etc. can also be adopted to the research of root system of plant, but these methods also cannot understand the changing conditions of root system of plant in time.
Drowned flow artificial wet land general specific surface stream wetland has larger portative power and good decontamination effect improving, thus has a wide range of applications.Therefore, adopt suitable method, study the Root Distribution of drowned flow artificial wet land, biomass and increment, to discussion and raising current wetland root system of plant, the effect in sewage purification is very important.
The biomass sum of the root that prior art " is imbedded earth pillar method " and measured several times in 1 year is used as the estimated value of increment.The biomass of the root measured for 3 times can regard the estimated value of root growth amount as.But it is likely lower estimated value, because between measuring at 3 times, a small amount of root may have been had dead and not be included in mensuration.About 4 months of the life-span possibility of Tanner estimation sewage treating artificial wet land root.In addition, also may have certain damage and affect their speed of growth by the root outside coupled columns.Certainly, this situation exists too imbedding in earth pillar method.
Described root system measuring apparatus of the present utility model when not damaging root system of plant to root system routine observation, can understand the changing conditions of the whole root system of plant in time.
Compared with the earth pillar method of imbedding adopted in the soil matrix of routine, be comparatively easy to the growth matrix taking out root system, be easier to a root and be separated with growth matrix, the volume of mensuration is more fixing and accurate.In addition, clearly can observe distribution and the upgrowth situation of every bar root, and not accomplish imbedding earth pillar method.Compared with sampling with soil pencil, there is following advantage: use more convenient and laborsaving; Because its position is completely fixed, it is more accurate thus to measure; Because it is fixing, the increment of certain hour root thus can be measured.In general, the device of monitoring constructed wetland plant root system described in the utility model is utilized to be a kind of device effectively studying constructed wetland plant root growth, distribution, biomass and turnout.
Utility model content
In order to understand in time root system of plant in artificial swamp matrix changing conditions and can the biomass of root system of plant in results of regular determination artificial swamp matrix, the utility model provides a kind of device for measuring constructed wetland plant root system.
The technical solution of the utility model is as follows:
For the root system measuring apparatus of constructed wetland plant, it is characterized in that, described device is the cylinder with top end opening, and the sidewall of described cylinder and bottom surface are evenly provided with multiple through hole, and described root system measuring apparatus adopts transparent material.
Described cylinder is right cylinder.
Described cylinder is prism.
Described cylinder is four prisms cylinder, the aperture 5cm of described through hole, and described through hole is lined up multiple file on each side, and row distance is 7cm; Pitch-row often in row between through hole is 4cm; On bottom surface, described through hole is aligned to multirow, and line-spacing and pitch-row are 4cm.
Described through hole is lined up 3 files with every row 3 on each side; Pitch-row often in row between through hole is 4cm; On bottom surface, described through hole is aligned to 3 row.
The utility model provides the root system measuring apparatus for measuring constructed wetland plant root system.Described device is the cylinder of top end opening, and bottom surface and side are equipped with through hole, and this device adopts transparent material support.
In the utility model, the cylinder body shape of this device is optional.Growth due to root is radial growth towards periphery, so described device adopts preferred symmetrical prism or cylindrical structure and transparent material, is convenient to from all angles observation root system.Wherein the effect of through hole is for forming connecting passage between Wetland Substrate and outer matrix in device on the one hand, be conducive to nutrient, water, the exchange of substance such as oxygen, difference between the root growth environment reducing the plant of other position in the root growth of the plant in device and artificial swamp region, thus obtain believable observed value most possibly.On the other hand, be also to be convenient to cut off sampling in measurement root length and thickness process.
When with described device monitoring constructed wetland plant root system, by described device arranged orthogonal in artificial swamp matrix, top reaches stromal surface or more lower slightly than stromal surface, lays steadily.Be not used in conventional equipment of the prior art, device described in the utility model, maximum feature is planted in described device by wetland plant.When measuring root system, described device is taken out, just the biomass of observable Root growth and distribution, mensuration root.The biomass that certain hour of being separated by measures, can be used as the estimated value of turnout, the biomass sum repeatedly measured in a year, can be used as the estimated value of year output.
Accompanying drawing explanation
Fig. 1 is the bottom surface structure schematic diagram of root system measuring apparatus described in the utility model embodiment 1
Fig. 2 is the side structure schematic diagram of root system measuring apparatus described in the utility model embodiment 1
Fig. 3 is the perspective view of the preferred embodiment of root system measuring apparatus described in the utility model
Fig. 4 is the perspective view of the preferred embodiment of root system measuring apparatus described in the utility model
Embodiment
Below in conjunction with embodiment, the utility model is further described in detail, but does not limit scope of the present utility model with this.
The preferred version of embodiment 1 root system measuring apparatus described in the utility model
Described device is the cylinder of the top end opening that synthetic glass is made, and its bottom surface and side are equipped with hole, and it is highly less than or equal to the height of described artificial swamp matrix.The concrete structure of described device is: long 31cm; Wide 31cm, height 43cm, thickness 5mm.
As shown in Figure 1, the bottom surface concrete structure of described device is: 3 row (transverse axis) 3 arrange (longitudinal axis), and often arrange 3 apertures, between centers is every 4cm in length and breadth.
As shown in Figure 2, Figure 3 and Figure 4, in 4 sides of described device, multiple circular hole is chiseled, so that root growth.The design parameter of side structure is: each side 3 row (transverse axis) 3 arranges (longitudinal axis), often arranges 3 apertures, longitudinal axis interval 7cm; Transverse axis interval 4cm.The aperture in the hole of the bottom surface of described device and side distribution is 5cm.
Embodiment 2 adopts root system of plant measuring apparatus to monitor cattail and chrysanthemum kite root system of plant
(1) in artificial swamp region, choose measurement point, to go out artificial swamp matrix in measurement point, in the hole dug, imbed the root system measuring apparatus of embodiment 1, device top reaches stromal surface or more lower slightly than stromal surface, lays steadily;
(2) cattail or chrysanthemum kite are planted in described device, then adopt the artificial swamp matrix of digging out to fill up described device and cross the upper edge of described device;
(3) respectively at July, September and November carry out for 3 times sampling and observe and biomass estimation root growth, cattail and the wilson iris duration of planting in artificial swamp is February, April, June.Each sampling 3 strain number, amounts to 9 strain numbers.
Observe the distribution situation of root system: during mensuration, down press 0-5cm from stromal surface, 5-15cm and >15cm layering, observe the distribution situation of root system, and the root alive in handle assembly cuts, and is placed in air-locked plastics bag.The root being contained in plastics bag takes back laboratory, and claims dry weight after whole root sample is dried to constant weight in 80 baking ovens.
Measure wetland plant Aboveground Biomass of Young: during mensuration, at near surface, place cuts off plant, the withered part taking every kind of plant and the plant fresh weight of living, and take every kind of plant Different Organs fresh weight sample 100-200g, claim dry weight after drying to constant weight in 800C baking oven.Clean and blot the water in root table face with thieving paper with tap water, by diameter <1mm, 1 ~ 3mm and >3mm divides out, with electronic balance (Shanghai balance equipment factory, FA1104 type) claim fresh weight, and claim dry weight after whole root sample is dried to constant weight in 80 DEG C of baking ovens.
Measure the radical of root system, root length, root biomass and root system surface area: radical, root are long to be measured weekly once.The mensuration of radical counts the radical of every strain plant, and root length measures the longest root of every strain plant.Cut off at rhizome intersection, and root is divided into groups (diameter d <1mm according to the diameter of root by vernier callipers, 1mm<d<3mm, d>3mm, root stock), rinse well with clear water (tap water), the water on surface is blotted with thieving paper, divide another name fresh weight, often organize the sample oven dry (80 DEG C that root gets about 100g, 48h), dry weight is claimed with electronic balance (Shanghai balance equipment factory, FA1104 type).Measure the volume of each group of root with drainage, utilize formula S=4V/d to obtain root system surface area.Statistical study is carried out to the data obtained.
Experimental result shows, the aperture of described device is suitable, and it is highly best according to selecting the difference of plant suitably to adjust height, although in this experiment, Root Distribution is no more than 30cm, and other people research is also thought, little root is distributed in below 30cm.Growing artificial swamp for many years continuously, its Root Distribution is dark possibly.
Claims (5)
1. for the root system measuring apparatus of constructed wetland plant, it is characterized in that, described device is the cylinder with top end opening, and the sidewall of described cylinder and bottom surface are evenly provided with multiple through hole, and described root system measuring apparatus adopts transparent material.
2. root system measuring apparatus according to claim 1, is characterized in that, described cylinder is right cylinder.
3. root system measuring apparatus according to claim 1, is characterized in that, described cylinder is prism.
4. root system measuring apparatus according to claim 1, is characterized in that, described cylinder is four prisms cylinder, the aperture 5cm of described through hole, and described through hole is lined up multiple file on each side, and row distance is 7cm; Pitch-row often in row between through hole is 4cm; On bottom surface, described through hole is aligned to multirow, and line-spacing and pitch-row are 4cm.
5. device according to claim 4, is characterized in that, described through hole is lined up 3 files with every row 3 on each side; Pitch-row often in row between through hole is 4cm; On bottom surface, described through hole is aligned to 3 row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520068952.7U CN204529460U (en) | 2015-01-30 | 2015-01-30 | For the root system measuring apparatus of constructed wetland plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520068952.7U CN204529460U (en) | 2015-01-30 | 2015-01-30 | For the root system measuring apparatus of constructed wetland plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671414A (en) * | 2015-01-30 | 2015-06-03 | 中国林业科学研究院林业新技术研究所 | Root system measuring device and method used for plants in constructed wetlands |
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- 2015-01-30 CN CN201520068952.7U patent/CN204529460U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671414A (en) * | 2015-01-30 | 2015-06-03 | 中国林业科学研究院林业新技术研究所 | Root system measuring device and method used for plants in constructed wetlands |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20180130 |