CN204115599U - A kind of measurement mechanism for cushion plant - Google Patents

Abstract

The utility model relates to the technical field of biological instruments, in particular to a measuring device for cushion plants. The measuring device comprises a measuring frame and a plurality of moving scales; a plurality of moving scales are movably installed on the edge of the measuring frame, for making the measuring frame be arranged above the cushion plant to be measured; the measuring The frame can move along the axial direction of the moving scale; the measuring frame is provided with a plurality of measuring grids for measurement. By recording the number of measuring grids covered by cushion plants, the coverage area of cushion plants can be calculated conveniently and quickly; the height of cushion plants can be calculated by adjusting the measurement frame up and down, which is suitable for alpine terrain; and, using this measurement The device can realize the non-destructive estimation of the biomass of the cushion plants, can ensure the sustainability of the observation of the cushion plants, can ensure the long-term positioning observation of the cushion plants, and ensure the rationality of the experiment.

Description

A measuring device for cushion plants

technical field

The utility model relates to the technical field of biological instruments, in particular to a measuring device for cushion plants.

Background technique

At present, cushion plants are a general term for a class of plants with a hemispherical or spherical surface. This kind of plant has a structure formed by years of radial growth and dense clusters of branchlets. It is commonly found in high-altitude or high-latitude regions. Key species affected by alpine ecosystems.

However, due to the lack of devices suitable for measuring the height, coverage and biomass of point-like vegetation, the growth height of cushion-like plants in the prior art relies on multi-point measurement of a ruler, and the coverage mainly relies on visual inspection. However, affected by the high mountain terrain, the observation method is cumbersome and extremely inefficient. Under field conditions, it is easy to be limited by subjective factors to estimate the coverage of point vegetation by means of empirical visual inspection, and it is difficult to guarantee the standardization of data. Cushion plants mostly grow in alpine areas, and their growth shapes are irregular. Due to the influence of terrain, it is difficult to accurately measure their growth height. The traditional multi-point measurement method relying on a ruler is cumbersome and extremely inefficient. In addition, the determination of point plant biomass relies entirely on destructive sampling, which makes it difficult to ensure the sustainability of the experiment, and it is not convenient for long-term positioning observation of point plants.

Therefore, in view of the above deficiencies, there is a need for a measuring device that can accurately measure the height, coverage and biomass of mat-like vegetation in a non-destructive field environment.

Utility model content

(1) Technical problems to be solved

The technical problem to be solved by the utility model is to solve the problem that the height of the cushion-shaped plants cannot be accurately calculated due to the influence of the terrain environment in the prior art when measuring the cushion-shaped plants; The inaccuracy of test results; due to the destructive collection of point-like plant biomass, the continuity of observation cannot be guaranteed.

(2) Technical solution

In order to solve the above technical problems, the utility model provides a measuring device for cushion plants, which includes a measuring frame and a plurality of moving scales; a plurality of moving scales are movably installed on the edge of the measuring frame, used The measuring frame is arranged above the cushion plant to be measured; the measuring frame can move along the axial direction of the moving scale; the measuring frame is provided with a plurality of measuring grids for measurement.

Wherein, the measurement frame includes a frame and measurement lines, and the measurement lines are interlaced in the frame to form a plurality of the measurement grids in the frame.

Wherein, the frame is respectively connected with a plurality of moving scales through sliders.

Wherein, a slide rail corresponding to the slide block is provided on the side of the frame, and an accommodating space for passing a moving scale is provided on the slide block.

Wherein, the shape of the frame is a rectangle.

Wherein, the number of the moving scales is 4.

Wherein, the scale range of the moving scale is 0-10cm.

Wherein, the shape of the measuring grid is square.

(3) Beneficial effects

The above-mentioned technical scheme of the utility model has the following beneficial effects: the utility model is used for the measuring device of cushion-shaped plants, and the measuring frame is placed above the cushion-shaped plants to be measured through a plurality of moving scales, and several measuring frames are arranged on the measuring frame. For the same measuring grid, the moving scale can move along the edge of the measuring frame, and the measuring frame can move along the axis of the moving scale; by recording the number of squares covered by the cushion plant, the coverage of the cushion plant can be calculated conveniently and quickly area, which ensures the reliability of the observation data of cushion plant coverage; the height of cushion plants can be calculated by adjusting the moving scale, which is easy to operate, suitable for alpine terrain, and ensures the accuracy of cushion plant height measurement; moreover, the The measuring device is also suitable for non-destructive estimation of the biomass of the cushion plants, which can ensure the sustainability of the observation of the cushion plants, ensure the long-term positioning observation of the cushion plants, and ensure the rationality of the experiment.

Description of drawings

Fig. 1 is a schematic structural view of a measuring device for cushion plants according to an embodiment of the present invention.

Among them, 1: measurement frame; 2: slider; 3: multiple moving rulers; 11: frame; 12: measurement line; 13: measurement grid.

Detailed ways

The implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

In the description of the present utility model, unless otherwise specified, the meaning of "multiple" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" ", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integratively connected; it can be mechanically or electrically connected; it can be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

As shown in Figure 1, the measuring device for cushion plants described in the present embodiment comprises a measuring frame 1 and a plurality of moving scales 3; the measuring frame 1 is placed above the cushion plant to be measured by a plurality of moving scales 3, And on measuring frame 1, be provided with several measuring grids 13 of the same size; Mobile ruler 3 can move along the edge of measuring frame 1, realizes the shape of positioning cushion-like plant to be measured, by recording the measuring grid 13 that cushion-like plant covers The number of cushion plants can be calculated conveniently and quickly, which ensures the reliability of the observation data of cushion plant coverage; at the same time, the measurement frame 1 can also move along the axis of the moving scale 3, and by adjusting the moving scale 3 It can calculate the height of cushion plants and is easy to operate. It is suitable for alpine terrain and ensures the accuracy of measuring the height of cushion plants. Moreover, the measuring device can also be used for non-destructive estimation of the biomass of cushion plants, which can ensure The sustainability of cushion plant observation can ensure the long-term positioning observation of cushion plants and ensure the rationality of the experiment.

In this embodiment, the measurement frame 1 includes a frame 11 and a plurality of measurement lines 12, and the plurality of measurement lines 12 are evenly arranged in a staggered manner on the frame 11 and form a plurality of measurement grids 13 of the same shape, wherein the shape of the measurement grid 13 can be Checkered.

In this embodiment, the moving scale 3 is connected with the frame 11 by a slider 2, the function of the sliding block 2 can make the moving scale 3 move along the edge of the measuring frame 1, and also can make the measuring frame 1 move along the axial direction of the moving scale 3. Lift and move. The slide block 2 is provided with an accommodating space for passing through the moving scale 3, the moving scale 3 is flexibly connected with the accommodating space, and can move up and down. Chutes for side rail connections. It is worth noting that the specific shape of the slider 2 is not limited to the features disclosed in this embodiment, and other devices that can move the moving scale 3 and the measuring frame 1 can be used. Moreover, a clip or fixture for fixing the moving scale 3 can also be added on the slider 2, and of course, a clip slot or a threaded screw hole in the accommodating space can also achieve the same fixing effect.

The shape of the frame 11 can be rectangular (including square and rectangular), and the sides of the frame 11 are provided with slide rails slidably connected with the slide block 2. Of course, each side of the frame 11 can also be directly used as a slide rail.

Preferably, the frame 11 is composed of four metal strips with a length of 20 cm, and its area is a square of 20×20 cm. The measuring frame 1 is evenly divided into 100 grid-like measuring grids 13 by the measuring lines 11 with scales. The measurement line 11 is a thin line with a scale, which divides the measurement frame 1 into 100 small squares of equal size (2×2 cm).

Correspondingly, for the above-mentioned square measuring frame 1 , the number of moving scales 3 is four. Four moving rulers 3 are located at the four corners of the measuring frame 1, and there are scales on the moving rulers 3. The scale on the mobile ruler 3 is from bottom to top, and its measurement range is 0-10cm, which can be moved left and right or up and down along the measurement frame 1 to measure the height of cushion plants.

The using method of the utility model is:

(1) Determination of the height and coverage of cushion-like vegetation: place the measuring frame on the upper part of the cushion-like vegetation, and adjust the moving scale up and down to make the measuring frame and the upper part of the cushion-like vegetation just in contact; then move the moving scale left and right to make the measurement frame The width is consistent with the width of the cushion plant; record the number of measuring grids in the measurement frame covered by the cushion plant, and use the number and area of the small squares to calculate the coverage area of the cushion plant; record the four moving scales and Measure the number of ticks at the junction of the boxes and average the four readings to give the height of the cushion plant.

(2) Estimation of cushion plant biomass: first select some cushion plants outside the experimental area, use this device to measure the coverage area s' and height h' of cushion plants; then adopt the traditional destructive method of biomass collection , determine the biomass M' of the cushion plant and establish a relationship between biomass and biomass and height linear fitting:

M'=a·(s'·h')+b; where, a and b are estimated coefficients.

Afterwards, in the test area, use this device to measure the coverage area and height of cushion plants, and through the obtained estimation coefficients a and b, the biomass M of cushion plants in this area can be estimated without damage:

M=a·(s·h)+b; where, a and b are estimated coefficients.

In summary, the measuring device for cushion plants of the present utility model can change the current situation of estimating the coverage of cushion vegetation and destructively collecting spot plant biomass through empirical visual inspection. It has a simple structure and is easy to use. Easy to carry, convenient for field observation; the measurement is not limited by human factors, and can accurately determine the coverage area of cushion plants; it is not affected by terrain, and can accurately calculate the height of cushion plants; it can estimate the biomass of point plants without destructiveness, and can Ensure the continuity of observation and facilitate the long-term positioning observation of a single cushion plant. The utility model can realize the non-destructive estimation of the height, coverage and biomass of cushion plants, and provides a convenient, practical and reliable technical method for the control experiment of simulating the impact of global changes on the ecosystem, and further improves the efficiency of this type of experiment. The level and effect provide practical and feasible technical means.

The embodiments of the invention have been presented for purposes of illustration and description, but are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and changes will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principle and practical application of the invention, and to enable those of ordinary skill in the art to understand the invention and design various embodiments with various modifications suitable for particular purposes.

Claims (8)

1. for a measurement mechanism for cushion plant, it is characterized in that, comprise measurement frame (1) and multiple mobile scale (3); Multiple described mobile scales (3) are arranged on the edge of described measurement frame (1) movably, for the top making described measurement frame (1) be arranged at cushion plant to be measured; Described measurement frame (1) can moving axially along mobile scale (3); Described measurement frame (1) is provided with the multiple measurement lattice (13) for measuring.

2. the measurement mechanism for cushion plant according to claim 1, it is characterized in that, described measurement frame (1) comprises framework (11) and slotted line (12), described slotted line (12) is laid staggeredly in framework (11), in framework (11), form multiple described measurement lattice (13).

3. the measurement mechanism for cushion plant according to claim 2, is characterized in that, described framework (11) is connected with multiple mobile scale (3) respectively by slide block (2).

4. the measurement mechanism for cushion plant according to claim 3, it is characterized in that, the side of described framework (11) is provided with the slide rail that arrange corresponding to slide block (2), and on slide block (2), be provided with the spatial accommodation for wearing mobile scale (3).

5. the measurement mechanism for cushion plant according to claim 3, is characterized in that, the shape of described framework (11) is rectangle.

6. the measurement mechanism for cushion plant according to claim 5, is characterized in that, the quantity of described mobile scale (3) is 4.

7. the measurement mechanism for cushion plant according to claim 6, is characterized in that, the meter full scale of described mobile scale (3) is 0-10cm.

8. the measurement mechanism for cushion plant according to claim 1, is characterized in that, the shape of described measurement lattice (13) is grid-like.