CN110940542A - Portable style frame and application thereof in investigation of wetland herbaceous vegetation - Google Patents
Portable style frame and application thereof in investigation of wetland herbaceous vegetation Download PDFInfo
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- CN110940542A CN110940542A CN201911093719.3A CN201911093719A CN110940542A CN 110940542 A CN110940542 A CN 110940542A CN 201911093719 A CN201911093719 A CN 201911093719A CN 110940542 A CN110940542 A CN 110940542A
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- 238000011835 investigation Methods 0.000 title abstract description 38
- 238000000926 separation method Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 25
- 238000010276 construction Methods 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 10
- 241000894007 species Species 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 241000168734 Bolboschoenus planiculmis Species 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001290266 Sciaenops ocellatus Species 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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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
- G01N1/02—Devices for withdrawing samples
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a portable frame and application thereof in investigation of wetland herbaceous vegetation, and relates to a portable frame and application thereof. The invention aims to solve the problems that the conventional wetland vegetation investigation device is complex in structure, inconvenient to carry, high in investigation error rate, high in cost and capable of influencing local environment. The portable frame comprises two sets of one-way frames and four integral connectors. The invention relates to application of a portable frame in investigation of wetland herbaceous vegetation, which adopts different investigation methods aiming at different vegetation. The portable framework has the advantages of strong operability, low construction cost, portability in use, suitability for various complex wetland environments, accurate sample survey level and effective protection of local ecological environment in use.
Description
Technical Field
The invention relates to a portable style frame and application thereof.
Background
The survey of wetland sample prescription is a statistical behavior for acquiring qualitative and quantitative information of plant communities, and is an important method for distinguishing wetland plant species, mastering community species composition, drawing population life pattern spectrum and dividing vegetation zone composition characteristics. The scientific and applicable investigation device is a material basis for developing wetland scientific research, and the efficient and accurate investigation method is a key link for promoting the increasingly perfect observation system of the modern wetland ecosystem.
At present, a sample survey method mainly uses a plurality of measuring devices such as a measuring rope, an iron sample frame and a folding bracket, and the sample survey method mainly uses a global survey method and an equal proportion survey method. The measuring rope is light in weight and convenient to carry, but the sample distribution process needs multi-person cooperative operation, the shape of the sample distribution is not standard, and the accuracy of the acquired data is seriously reduced; the iron sample frame is firm in structure and accurate in frame area, but the single bodies are fixed in shape, so that the long-distance transportation is inconvenient, the single bodies are heavy, and the personal carrying burden in the wetland environment is increased; the foldable support has the function of stretching, and portable and support frame are fixed firm, but the equipment and disassemble process is loaded down with trivial details, destroys earth's surface vegetation and soil environment easily in the operation process, causes local place biological system structure variation. In the aspect of the investigation method, the whole-domain investigation method has complete coverage area, the obtained data is scientific, but the number of plants in the investigation range is large, the workload is heavy, and subjective deviation is easy to occur; the equal proportion investigation method has high efficiency and high data acquisition speed, but the investigation result has obvious error with the actual species composition of the sample. Therefore, how to design a survey device with high accuracy, portability, easy application, environmental maintenance and low cost and a scientific and efficient survey method matched with the survey device become important problems to be solved urgently in the field of survey of wetland vegetation samples.
Disclosure of Invention
The invention provides a portable style frame and application thereof in wetland herbal vegetation investigation, aiming at solving the problems of complex structure, inconvenience in carrying, high investigation error rate, influence on local environment and high cost of a single device of the conventional wetland vegetation investigation device.
The portable style frame comprises two sets of one-way frames and four integral connectors; the unidirectional frame comprises two frame connecting pipes and nine separation ropes, and each frame connecting pipe is averagely provided with nine rope threading holes with equal distance; two ends of the nine separation ropes are respectively tied on the frame connecting pipe through the rope penetrating holes; two frame connecting pipes in a set of unidirectional frames are unfolded in parallel to form nine separating ropes which are parallel to each other; the frame connecting pipe is a rigid plastic hollow pipe, and the length of the frame connecting pipe is 1 meter.
The invention relates to a portable style frame assembling method: the two sets of unidirectional frames are horizontally unfolded and stacked up and down, the frame connecting pipes in each set of unidirectional frames are perpendicular to the separating ropes, the separating ropes in the two sets of unidirectional frames are perpendicular to each other, the four frame connecting pipes are connected end to form a square, and the four corners of the square are fixed by the integral connectors.
The portable style frame is applied to the investigation of wetland herbaceous vegetation.
The portable style frame of the invention has the advantages that:
the portable style frame is suitable for various complex wetland environments, and can be used for carrying out effective statistical activities on plant communities of dry, middle and wet wetland under different hydrological environments.
The portable style frame has the advantages of clear principle, strong operability, low construction cost, unit cost of about 20 yuan, convenience in component replacement, no need of frequent maintenance and wide application range.
The portable style frame comprises two sets of one-way frames and four integral connectors, the main material is made of lightweight materials (hard plastic hollow pipes), the weight of a single body is about 430 g, the load pressure in the practical application process can be effectively reduced, meanwhile, the assembling and disassembling method of the portable style frame is simple and easy, the time for assembling the two sets of one-way frames by the integral connectors is less than 1 minute, the volume after the assembly is only 4 frame connecting pipes which are bound together, and the portable style frame can be carried in a disassembling mode in various transportation processes.
Fourthly, the portable style frame can guarantee the accurate level of the sample survey. The portable type frame forms a fixed rectangular frame after being arranged, the shape and the area of a survey sample can be framed permanently, 1 square meter of survey objects are divided into 100 survey grids by the grid dividing lines, survey work and data recording are facilitated to be refined, and the precision level of the survey of the sample can be effectively guaranteed.
Fifthly, the invention can effectively protect the local ecological environment. The device is light in weight, and the damage phenomena of rolling, plant hooking and the like cannot occur in the practical application process; the applied material has stable structure and does not cause any direct and indirect pollution.
Drawings
FIG. 1 is a schematic view of a unidirectional frame structure in the portable style case of the present invention.
Fig. 2 is a partial schematic view of the prussian knot rope according to the present invention.
FIG. 3 is a schematic view of the assembled portable style frame of the present invention.
Fig. 4 is a partial schematic view of a through-hole according to the present invention.
FIG. 5 is a schematic view of an actual assembly of the portable style case of the present invention in embodiment 1.
FIG. 6 is a diagram showing a practical application of the portable style box of the present invention in embodiment 1.
FIG. 7 is a dynamic trend chart of distribution pattern of Scirpus planiculmis population in different hydrologic environments during growth period of example 1.
Detailed Description
The first embodiment is as follows: the portable style frame of the embodiment comprises two sets of one-way frames and four integral connectors; the unidirectional frame comprises two frame connecting pipes 1 and nine separation ropes 2, and each frame connecting pipe 1 is averagely provided with nine rope penetrating holes with equal distance; two ends of nine separation ropes 2 are respectively tied on the frame connecting pipe 1 through rope through holes; two frame connecting pipes 1 in a set of unidirectional frames are unfolded in parallel to form nine separation ropes 2 which are parallel to each other; the frame connecting pipe is a rigid plastic hollow pipe, and the length of the frame connecting pipe is 1 meter.
Fig. 1 is a schematic view of a one-way frame structure in the portable style frame according to the present embodiment.
The nine separation ropes are sequentially assembled, two ends of the grid separation rope are tied to the frame connecting pipe in a Prussian knot rope mode (shown in figure 2), inward through holes are required to be filled with knots, and 1-2 cm of residual ropes are reserved at the outward through holes.
The frame connecting pipe is evenly divided into ten parts by the stringing holes.
The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: the two sets of unidirectional frames are horizontally unfolded and stacked up and down, the frame connecting pipes in each set of unidirectional frames are perpendicular to the separating ropes, the separating ropes in the two sets of unidirectional frames are perpendicular to each other, the four frame connecting pipes are connected end to form a square, and the four corners of the square are fixed by the integral connectors. The rest is the same as the first embodiment.
The depth of the frame connecting pipe inserted into the port of the integral connector is 14.9 mm, and the assembled structure is schematically shown in fig. 3, wherein 3 is the integral connector.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: the integral connector is a hard plastic pipe with a 90-degree elbow. The others are the same as in the first or second embodiment.
The length of the outer diameter of the integral connector is 24.6 millimeters, and the length of the inner diameter of the integral connector is 20 millimeters; the overall connector is 39.5 mm long and 39.5 mm wide.
The third concrete implementation mode: the first difference between the present embodiment and the specific embodiment is: the outer diameter of the frame connecting pipe is 20 mm. The rest is the same as the first embodiment.
The fourth concrete implementation mode: the present embodiment differs from the first to third embodiments in that: the diameter of the through-hole was 5 mm. The rest is the same as the first embodiment.
Fig. 4 shows a partial schematic view of a through-hole in the present embodiment, where 4 denotes a through-hole, and the pitch between two through-holes is 95 mm.
The fifth concrete implementation mode: the first to fourth differences of this embodiment from the first to fourth embodiments are: the length of the grid dividing rope is 105 cm, and the diameter is 3 mm. The others are the same as the first to third embodiments.
The sixth specific implementation mode: the portable style frame according to the first embodiment is applied to the investigation of wetland herbaceous vegetation.
The portable style frame of the first embodiment is suitable for various complex wetland environments.
The method for surveying the samples with complex vertical structures and various vegetation types by using the portable style frame of the first embodiment comprises the following steps:
firstly, the portable style frame is directly assembled and laid on an investigation sample, and the investigation precision is prevented from being influenced by hooking of stems and leaves of herbaceous plants in the laying process;
measuring by an investigation device: and a certain integral connector in the portable style frame is used as an investigation origin and is marked, an investigation grid coordinate system is established, grid codes are set, species, coverage, height and density in each grid are investigated and recorded, and the investigation of vegetation is finished.
The method for surveying the sample with clear vertical structure and single vegetation type by using the portable sample frame of the first embodiment comprises the following steps:
firstly, the portable style frame is directly covered on an investigation style after being assembled, and the plants are required to be kept in a natural state when the portable style frame is covered;
secondly, selecting a certain integral connector in the portable style frame as a survey origin and marking, thereby establishing a survey grid coordinate system, setting grid codes, surveying and recording species, coverage, height and density in each grid, and completing the survey of the vegetation.
Example 1
In 2019, a degraded wetland conservation project is undertaken by the northeast geographical and agricultural ecological research institute of the Chinese academy of sciences, and fixed sample monitoring work is carried out in the Momoge national-level natural protection area of Jilin province.
The portable style box is adopted for investigation, and the specific investigation method comprises the following steps:
the portable style frame is directly assembled and arranged on an investigation sample, naturally floats on the water surface of the wetland, and the influence on the investigation precision caused by the hooking of stems and leaves of herbaceous plants is avoided in the arrangement process;
measuring by an investigation device: and a certain integral connector in the portable style frame is used as an investigation origin and is marked, an investigation grid coordinate system is established, grid codes are set, species, coverage, height and density in each grid are investigated and recorded, and the investigation of vegetation is finished.
Wherein, the assembling method of the portable style frame in the step one comprises the following steps: the two sets of unidirectional frames are horizontally unfolded and stacked up and down, the frame connecting pipes in each set of unidirectional frames are perpendicular to the separating ropes, the separating ropes in the two sets of unidirectional frames are perpendicular to each other, the four frame connecting pipes are connected end to form a square, and the four corners of the square are fixed by an integral connector; the depth of the frame connecting pipe inserted into the port of the integral connector is 14.9 mm; the frame connecting pipe is a PVC hollow pipe, and the length of the frame connecting pipe is 1 meter; the length of the separation rope is 105 cm, and the diameter of the separation rope is 5 mm; the integral connector is a 90-degree elbow PVC pipe, the length of the outer diameter is 24.6 mm, the length of the inner diameter is 20 mm, the length of the integral connector is 39.5 mm, and the width of the integral connector is 39.5 mm; the one-way frame is assembled in order by two frame connecting pipes and 9 net piece dividing ropes and forms, and net piece dividing rope runs through the frame connecting pipe and predetermines the hole and connect with prussian knot rope mode, requires that net piece dividing rope run through length be 5 centimetres, and 95 centimetres are reserved at the middle part, and the surplus rope of 1 ~ 2 centimetres is reserved to outside through hole department after tying the rope. A schematic of the actual assembly is shown in fig. 5.
The portable framework is applied to a sciaenops ocellatus community sample in a Moroge natural protection area, sample frame devices are respectively arranged in a vertical covering and field assembling mode in the sparse and dense periods of plant plants, an overall connector in the southwest direction is used as an investigation origin, an investigation coordinate system is established, each investigation grid is marked, the information of the plant plants in each grid is recorded, and the schematic diagram of the practical application of the portable sample frame is shown in figure 6.
Based on the portable frame survey data, the dynamic change trend chart of the distribution pattern of the scirpus planiculmis population in different hydrological environments in the growing period is effectively obtained, as shown in fig. 7, A in fig. 7 is a result chart of aggregation indexes, and B is a result chart of average crowding degree;
it is indicated that the water is flooded for a long time,
indicating periodic flooding; as can be seen from FIG. 6, the portable framework of the present invention completed the investigation of Scirpus planiculmis communities in different hydrological environments during the growth period.
Claims (4)
1. A portable style frame is characterized in that the portable style frame comprises two sets of one-way frames and four integral connectors; the unidirectional frame comprises two frame connecting pipes and nine separation ropes, and each frame connecting pipe is averagely provided with nine rope threading holes with equal distance; two ends of the nine separation ropes are respectively tied on the frame connecting pipe through the rope penetrating holes; two frame connecting pipes in a set of unidirectional frames are unfolded in parallel to form nine separating ropes which are parallel to each other; the frame connecting pipe is a rigid plastic hollow pipe, and the length of the frame connecting pipe is 1 meter.
2. The portable style case of claim 1 wherein two sets of unidirectional frames are horizontally unfolded and stacked one on top of the other, the border connectors of each set of unidirectional frames are perpendicular to the partition cords, the partition cords of the two sets of unidirectional frames are perpendicular to each other, and the four border connectors are connected end to form a square, the four corners of the square being secured by integral connectors.
3. The portable style frame of claim 1 or 2 wherein the integral connector is a rigid plastic tube with a 90 degree bend.
4. The use of the portable form of claim 1 for surveying wetland herbaceous vegetation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911093719.3A CN110940542A (en) | 2019-11-11 | 2019-11-11 | Portable style frame and application thereof in investigation of wetland herbaceous vegetation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911093719.3A CN110940542A (en) | 2019-11-11 | 2019-11-11 | Portable style frame and application thereof in investigation of wetland herbaceous vegetation |
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| Publication Number | Publication Date |
|---|---|
| CN110940542A true CN110940542A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911093719.3A Pending CN110940542A (en) | 2019-11-11 | 2019-11-11 | Portable style frame and application thereof in investigation of wetland herbaceous vegetation |
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| CN (1) | CN110940542A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100710050B1 (en) * | 2006-07-05 | 2007-04-24 | 김흥섭 | The vegetation block frame and the vegetation block |
| CN207335648U (en) * | 2017-10-30 | 2018-05-08 | 中国农业大学 | A kind of portable sample prescription frame for field measuring moss crust cover degree |
| CN211013549U (en) * | 2019-11-11 | 2020-07-14 | 中国科学院东北地理与农业生态研究所 | Portable style frame |
-
2019
- 2019-11-11 CN CN201911093719.3A patent/CN110940542A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100710050B1 (en) * | 2006-07-05 | 2007-04-24 | 김흥섭 | The vegetation block frame and the vegetation block |
| CN207335648U (en) * | 2017-10-30 | 2018-05-08 | 中国农业大学 | A kind of portable sample prescription frame for field measuring moss crust cover degree |
| CN211013549U (en) * | 2019-11-11 | 2020-07-14 | 中国科学院东北地理与农业生态研究所 | Portable style frame |
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Application publication date: 20200331 |
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