CN105738181A - In-situ decomposition device of forest litters - Google Patents
In-situ decomposition device of forest litters Download PDFInfo
- Publication number
- CN105738181A CN105738181A CN201610292390.3A CN201610292390A CN105738181A CN 105738181 A CN105738181 A CN 105738181A CN 201610292390 A CN201610292390 A CN 201610292390A CN 105738181 A CN105738181 A CN 105738181A
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- soil
- ring
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- decomposition
- outer shroud
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- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 43
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 22
- 239000002689 soil Substances 0.000 claims abstract description 72
- 239000003309 forest litter Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 3
- 235000015097 nutrients Nutrition 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000012491 analyte Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention belongs to the technical field of comprehensive experimental researches of a forest ecosystem and forest soil and particularly relates to an in-situ decomposition device of forest litters. The device comprises a soil ring and an in-situ decomposition cover, wherein the soil ring is barrel-shaped; the soil ring is inserted into the ground and is used for enclosing soil to be detected; the decomposition cover is located on the ground just above the soil ring; the decomposition cover comprises a cover wall and a cover cap; the cover cap is detachably connected with the cover wall; each of the cover wall and the cover cap is in a net-shaped structure. According to the in-situ decomposition device of the forest litters, the soil to be detected is enclosed in the soil ring; meanwhile, falling objects are enclosed in the decomposition cover and decomposed products are prevented from loss, so that the determination accuracy of the decomposed products is effectively improved.
Description
Technical field
The invention belongs to forest ecology and forest soil experimentation technical field, be specifically related to a kind of Forest Litter decomposition in situ device.
Background technology
Forest Litter is the principal mode that forest ecosystem nutrient is given back, and is the important Source Organic Matter of forest-soil food web.The decomposition of the litter is the important step of forest ecosystem material circulation and energy Flow.The nutrient of the release utilizability to plant regeneration growth nutrient of increasing soil fertility, keep in the catabolic process of the litter, promote ecosystem logistics, the unimpeded of channel can be flowed, maintain Forest Ecosystem Productivity, the formation of the soil organism, nutrient supply, the succession of community and system itself and be able to the aspects such as self development and there is irreplaceable effect and status.Therefore, the decomposition of Forest Litter has become requisite content in forest ecosystem detection and localization, and the response of climate change progressively becomes the Hot Contents of the litter ecological Studies about forest litter decomposition.At present, the modal research method of Decomposition of leaf litter is the litter mesh bag method, namely utilizes the sack of degradable and flexible material, sack size 15～600cm2, aperture is 2～10mm, loads certain the litter, stays soil surface or is embedded in 5～10cm soil.The general 5mm of mesh diameter of standard design, but the excessive the litter fragment that is easily caused of mesh runs off；Aperture is too small, forms different microenvironments and cause that resolution ratio is higher in bag.In production practices, in order to solve the drawback of Decomposition of leaf litter soft bag, a kind of device being specifically designed to the litter decomposition in situ has been invented in design, it is possible to be simply efficiently completed the overall process of Decomposition of leaf litter and for the research of Accurate Determining Decomposition of leaf litter rate mensuration aspect.
Summary of the invention
It is an object of the invention to provide a kind of forest litter decomposition that can improve and measure the Forest Litter decomposition in situ device of accuracy rate.
For achieving the above object, the invention provides techniques below scheme: a kind of Forest Litter decomposition in situ device, including soil ring and decomposition in situ cover, described soil ring is tubular structure, and soil ring inserts below ground and is used for drawing a circle to approve soil to be measured；The described cover that decomposes is positioned on the ground, surface of soil ring, and described decomposition cover includes cover wall and cover cap, and described cover cap is detachable connection with cover wall, and described cover wall and cover cap are network structure.
Preferably, described soil ring includes internal ring and outer shroud, described internal ring and outer shroud relatively rotate setting, the anchor ring of described internal ring and outer shroud is equipped with hollow-out parts, when internal ring and outer shroud relatively rotate, it is possible to make the hollow-out parts in inner and outer rings overlap or interlaced, when the hollow-out parts in inner and outer rings overlaps, can forming the passage running through soil ring anchor ring, when the hollow-out parts in inner and outer rings is interlaced, internal ring and outer shroud can enclose the anchor ring of a closing jointly.
Preferably, described hollow-out parts is strip breach, and described strip breach is arranged along the generatrix direction of inner and outer rings, and described strip breach is multiple, and each strip breach is arranged along the circumferencial direction uniform intervals of inner and outer rings.
Preferably, rolling up, form a cannelure outside described internal ring upper end, this cannelure is sleeved on outer shroud upper end, constitutes the rotation track of outer shroud.
Preferably, described cover cap setting height(from bottom) on cover wall is adjustable setting.
Preferably, described cover cap edge is provided with buckle, and described buckle is at least provided with two, and each buckle is arranged about cover cap centrosymmetry, and described cover wall is provided with and the draw-in groove being clasped, and described draw-in groove is vertically arranged at intervals with at least two-layer.
Further, it is additionally provided with fixed support between described soil ring and decomposition cover, described fixed support is a circular card, described decomposition cover is arranged on support bracket fastened centre bore upper end, the internal ring of described soil ring is arranged on support bracket fastened centre bore lower end, and the support of described support bracket fastened card is dragged at soil ring and decomposes on the ground that cover is peripheral.
Further, described fixed support being additionally provided with soil temperature and humidity detection pipe, the lower end of described soil temperature and humidity detection pipe is inserted inside soil, and upper end protrudes out to above support bracket fastened card.
Further, described soil temperature and humidity detection pipe is connected for detachable with between fixed support, and support bracket fastened card offers installing hole, and soil temperature and humidity detection pipe is inserted in described installing hole.
The method have technical effect that: pedosphere to be measured is fixed in soil ring by the present invention, will fall off thing delineation in decomposition cover simultaneously, analyte is prevented to run off, the nutrient of Litter Decomposition release all shifts in the soil in soil ring, is effectively increased Decomposition of leaf litter thing and the accuracy of Nutrient retranslocation mensuration.
Accompanying drawing explanation
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the I partial enlarged view of Fig. 1；
Fig. 3 is the perspective view of the present invention, and in figure, the hollow-out parts of inner and outer rings is coincidence status；
Fig. 4 is the axonometric chart of another state of the present invention, and in figure, the hollow-out parts of inner and outer rings is interleaved state.
Detailed description of the invention
Following embodiment is to further illustrate using as the explaination to the technology of the present invention content for present invention; but the flesh and blood of the present invention is not limited in described in following embodiment, those of ordinary skill in the art and can should know any simple change based on true spirit or replacement all should belong to protection domain of the presently claimed invention.
As shown in Figures 1 to 4, a kind of Forest Litter decomposition in situ device, including soil ring 10 and decomposition in situ cover 20, described soil ring 10 is tubular structure, and soil ring 10 inserts below ground for drawing a circle to approve soil to be measured；The described cover 20 that decomposes is positioned on the ground, surface of soil ring 10, and the described cover 20 that decomposes includes cover wall 21 and cover cap 22, and described cover cap 22 is connected for detachable with cover wall 21, and described cover wall 21 and cover cap 22 are network structure.Pedosphere to be measured is fixed in soil ring 10 by the present invention, will fall off thing delineation in decomposition cover 20, it is prevented that analyte runs off, and is effectively increased the accuracy that analyte measures simultaneously.
Further, as shown in Figure 2, described soil ring 10 includes internal ring 11 and outer shroud 12, described internal ring 11 and outer shroud 12 relatively rotate setting, the anchor ring of described internal ring 11 and outer shroud 12 are equipped with hollow-out parts 101, when internal ring 11 and outer shroud 12 relatively rotate, the hollow-out parts 101 in inner and outer rings 11,12 can be made to overlap or interlaced, as it is shown on figure 3, when the hollow-out parts 101 in inner and outer rings 11,12 overlaps, it is possible to form the passage running through soil ring 10 anchor ring；As shown in Figure 4, when the hollow-out parts 101 in inner and outer rings 11,12 is interlaced, internal ring 11 and outer shroud 12 can enclose the anchor ring of a closing jointly.In different soil test projects, busy possibility needs the internal soil of soil ring 10 and outside soil to carry out material exchange, and sometimes it is made without material exchange, this is accomplished by soil ring 10 and sometimes opens, sometimes being close, the present invention adopts double-deck ring structure, soil ring 10 just can be made to open or close by regulating the circumferentially opposed position of inner and outer rings 11,12, one ring is multiplex, improves the value of device.
Preferably, described hollow-out parts 101 is strip breach, and described strip breach is arranged along the generatrix direction of inner and outer rings 11,12, and described strip breach is multiple, and each strip breach is arranged along the circumferencial direction uniform intervals of inner and outer rings 11,12.
Preferably, as in figure 2 it is shown, roll up outside described internal ring 11 upper end, forming a cannelure, this cannelure is sleeved on outer shroud 12 upper end, constitutes the rotation track of outer shroud 12.
Further, the described cover cap 22 height on cover wall 21 is adjustable setting.In different test environments, the thickness of Forest Litter is possibly different from, no matter but the litter thickness, will guarantee that cover cap 22 is pressed on above the litter, to prevent the litter by wind to the side decomposing cover 20 so that it is skewness.Therefore cover cap 22 is arranged to adjustable for height structure by the present invention, it is ensured that under various circumstances, can say that the litter compresses.
Preferably, described cover cap 22 edge is provided with buckle 221, and described buckle 221 is at least provided with two, and each buckle 221 is arranged about cover cap 22 centrosymmetry, described cover wall 21 is provided with the draw-in groove 23 coordinated with buckle 221, and described draw-in groove 23 is vertically arranged at intervals with at least two-layer.
Further, it is additionally provided with fixed support 30 between described soil ring 10 and decomposition cover 20, described fixed support 30 is a circular card, the described cover 20 that decomposes is arranged on the centre bore upper end of fixed support 30, the internal ring 11 of described soil ring 10 is arranged on the centre bore lower end of fixed support 30, and the card support of described fixed support 30 is dragged at soil ring 10 and decomposes on the ground of cover 20 peripheries.Soil ring 10 and decomposition cover 20 can be reliably connected by fixed support 30, utilize ground to help in the face of both simultaneously, improve stability and the reliability of entirety.
Further, described fixed support 30 being additionally provided with soil temperature and humidity detection pipe 31, the lower end of described soil temperature and humidity detection pipe 31 is inserted inside soil, and upper end protrudes out to above the card of fixed support 30.Temperature Humidity Sensor can be imported inside soil by the centre bore of soil temperature and humidity detection pipe 31, and is easy to sensor taking-up, further increases accuracy and the reliability of test.
Preferably, being connected for detachable, the card of fixed support 30 offers installing hole between described soil temperature and humidity detection pipe 31 and fixed support 30, soil temperature and humidity detection pipe 31 is inserted in described installing hole.
Claims (9)
1. a Forest Litter decomposition in situ device, it is characterized in that: include soil ring (10) and decomposition in situ cover (20), described soil ring (10) is tubular structure, and soil ring (10) inserts below ground and is used for drawing a circle to approve soil to be measured；The described cover (20) that decomposes is positioned on the ground, surface of soil ring (10), the described cover (20) that decomposes includes cover wall (21) and cover cap (22), described cover cap (22) is connected for detachable with cover wall (21), and described cover wall (21) and cover cap (22) are network structure.
null2. Forest Litter decomposition in situ device according to claim 1，It is characterized in that: described soil ring (10) includes internal ring (11) and outer shroud (12)，Described internal ring (11) and outer shroud (12) relatively rotate setting，The anchor ring of described internal ring (11) and outer shroud (12) is equipped with hollow-out parts (101)，When internal ring (11) and outer shroud (12) relatively rotate，In can making、Outer shroud (11、12) hollow-out parts (101) on overlaps or interlaced，When interior、Outer shroud (11、12) when the hollow-out parts (101) on overlaps，The passage running through soil ring (10) anchor ring can be formed，When interior、Outer shroud (11、12) when hollow-out parts (101) on is interlaced，Internal ring (11) and outer shroud (12) can enclose the anchor ring of a closing jointly.
3. Forest Litter decomposition in situ device according to claim 2, it is characterized in that: described hollow-out parts (101) is strip breach, described strip breach is arranged along the generatrix direction of inner and outer rings (11,12), described strip breach is multiple, and each strip breach is arranged along the circumferencial direction uniform intervals of inner and outer rings (11,12).
4. Forest Litter decomposition in situ device according to claim 2, it is characterized in that: roll up outside described internal ring (11) upper end, forming a cannelure, this cannelure is sleeved on outer shroud (12) upper end, constitutes the rotation track of outer shroud (12).
5. Forest Litter decomposition in situ device according to claim 1, it is characterised in that: the described cover cap (22) height on cover wall (21) is adjustable setting.
6. Forest Litter decomposition in situ device according to claim 5, it is characterized in that: described cover cap (22) edge is provided with buckle (221), described buckle (221) is at least provided with two, and each buckle (221) arranges about cover cap (22) centrosymmetry, described cover wall (21) is provided with the draw-in groove (23) coordinated with buckle (221), and described draw-in groove (23) is vertically arranged at intervals with at least two-layer.
7. Forest Litter decomposition in situ device according to claim 1, it is characterized in that: between described soil ring (10) and decomposition cover (20), be additionally provided with fixed support (30), described fixed support (30) is a circular card, the described cover (20) that decomposes is arranged on the centre bore upper end of fixed support (30), the internal ring (11) of described soil ring (10) is arranged on the centre bore lower end of fixed support (30), the card support of described fixed support (30) is dragged at soil ring (10) and decomposes on the ground that cover (20) is peripheral.
8. Forest Litter decomposition in situ device according to claim 7, it is characterized in that: described fixed support (30) is additionally provided with soil temperature and humidity detection pipe (31), the lower end of described soil temperature and humidity detection pipe (31) is inserted inside soil, and upper end protrudes out to above the card of fixed support (30).
9. Forest Litter decomposition in situ device according to claim 8, it is characterized in that: be connected for detachable between described soil temperature and humidity detection pipe (31) and fixed support (30), offering installing hole in the card of fixed support (30), soil temperature and humidity detection pipe (31) is inserted in described installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292390.3A CN105738181B (en) | 2016-04-29 | 2016-04-29 | Forest Litter decomposition in situ device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292390.3A CN105738181B (en) | 2016-04-29 | 2016-04-29 | Forest Litter decomposition in situ device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105738181A true CN105738181A (en) | 2016-07-06 |
| CN105738181B CN105738181B (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610292390.3A Expired - Fee Related CN105738181B (en) | 2016-04-29 | 2016-04-29 | Forest Litter decomposition in situ device |
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| CN (1) | CN105738181B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108617179A (en) * | 2018-05-03 | 2018-10-09 | 贵州伊诺生物科技有限公司 | A kind of meadow Decomposition of leaf litter device for Crazing test area |
| CN110988303A (en) * | 2019-12-17 | 2020-04-10 | 中国科学院东北地理与农业生态研究所 | Device for measuring decomposition rates of litter in different soil layers of wetland and application |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2766797A (en) * | 1955-07-11 | 1956-10-16 | George T C Cowen | Gathering device |
| CN101696128A (en) * | 2009-10-26 | 2010-04-21 | 克拉玛依市克拉玛依区园林绿化管理局 | Method for rapidly rotting composting of litter in the open in autumn / winter |
| CN202050709U (en) * | 2011-04-15 | 2011-11-30 | 仲恺农业工程学院 | Dropped fruits collecting net |
| CN202873459U (en) * | 2012-07-06 | 2013-04-17 | 新疆林科院森林生态研究所 | Combined test device for forest litter collecting and rainfall redistributing |
| CN202916116U (en) * | 2012-12-03 | 2013-05-01 | 中国环境科学研究院 | Device for collecting litters of field observation quadrat in forest ecosystem |
| CN104226391B (en) * | 2014-09-26 | 2015-12-02 | 北京林业大学 | Decomposition of leaf litter device |
| CN204495580U (en) * | 2015-04-20 | 2015-07-22 | 黑龙江省森林工程与环境研究所 | The device for filtering and collecting of a kind of Forest Litter and precipitation |
| CN204964228U (en) * | 2015-09-22 | 2016-01-13 | 中国林业科学研究院热带林业研究所 | Collect wither and fall device of thing of forest |
| CN205607728U (en) * | 2016-04-29 | 2016-09-28 | 安徽农业大学 | Forest thing normal position decomposition device that withers and falls |
-
2016
- 2016-04-29 CN CN201610292390.3A patent/CN105738181B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108617179A (en) * | 2018-05-03 | 2018-10-09 | 贵州伊诺生物科技有限公司 | A kind of meadow Decomposition of leaf litter device for Crazing test area |
| CN108617179B (en) * | 2018-05-03 | 2020-06-26 | 温州市聚达信息科技有限公司 | A meadow thing decomposition device that withers and falls for pasturing test area |
| CN110988303A (en) * | 2019-12-17 | 2020-04-10 | 中国科学院东北地理与农业生态研究所 | Device for measuring decomposition rates of litter in different soil layers of wetland and application |
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| CN105738181B (en) | 2018-05-25 |
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