Portable herbaceous plant community investigation quadrat frame

Abstract

The utility model discloses a portable herbaceous plant community investigation quadrat frame which comprises two hook rods with telescopic hook structures and two positioning rods with limiting holes, right-angle connecting pieces and sleeve connecting ropes are arranged among the four rods, and the four rods are connected to form a square herbaceous plant quadrat frame. Hooks in the hook rods are fixed on the positioning rods after being pulled out, so that the internal area of the quadrat can be equally divided according to requirements, and vegetation coverage estimation is facilitated. The portable herbaceous plant community investigation quadrat frame is simple and stable in structure, the detachable grid design is suitable for various earth surface conditions and herbaceous plant investigation requirements of different types, and the precision and efficiency of vegetation coverage estimation of investigators are improved; the portable herbaceous plant community investigation quadrat frame can be detached and stored, and is connected by an elastic rope to prevent parts from being lost, so that convenience is provided for field workers.

Description

Technical Field

[0001] The utility model belongs to the field of auxiliary tools for field investigation of herbaceous vegetation, and particularly relates to a portable quadrat for investigating herbaceous plant communities. Background Art

[0002] The investigation of herbaceous vegetation is data collected in a one-square-meter investigation unit for the species composition, community structure, etc. of plant communities. The vegetation quadrat investigation data is an important part of plant science data and is the basic data for research in vegetation ecology, geography, botany, etc. Among them, coverage refers to the percentage of the vertical projection area of the above-ground part of the plant in the quadrat area. This data depends on estimation in field investigations and is prone to errors.

[0003] In the prior art, there is a portable folding quadrat for herbaceous plants in the design of the herbaceous plant quadrat, but it lacks coverage auxiliary lines, or the coverage grid is fixedly installed on the quadrat but is large in volume and not easy to carry, and it lacks applicability to different ground surfaces. Therefore, we propose a portable quadrat for investigating herbaceous plant communities, designing an independent auxiliary line structure and a frame disassembly and storage structure, so that the quadrat meets the actual needs of scientific research investigators. Summary of the Utility Model

[0004] In order to solve the problem of large estimation errors in coverage in the investigation of herbaceous plant communities, the utility model designs and provides a portable quadrat for investigating herbaceous plant communities on the premise of ensuring portability in the field.

[0005] To achieve the above object, the utility model provides a portable quadrat for investigating herbaceous plant communities, which includes two hook rods each one meter long, two positioning rods each one meter long, and four right-angle connectors. One end of the fixed right-angle connector is connected to the inside of the end of the other rod without a right-angle connector by an elastic sleeve connecting rope. A coverage auxiliary rope is connected to the hook in the hook rod and can be hung in the limit hole of the opposite positioning rod.

[0006] Preferably, there are a total of nine hook rope contraction structures installed inside the hook rod, with a spacing of 10 cm.

[0007] Preferably, the positioning rod is provided with a total of nine limit holes, with a spacing of 10 cm.

[0008] Preferably, the hook rope contraction structure connects the hook and the elastic coverage auxiliary rope.

[0009] Preferably, the coverage auxiliary rope has an independent contraction structure and can be independently hung at the limit hole of the opposite positioning rod.

[0010] Preferably, one end of the hook rod and the positioning rod is fixedly connected to the right-angle connector, and the quadrat is kept on the same horizontal plane after connection and fixation.

[0011] Preferably, the hook rod and the positioning rod are arranged opposite to each other, and after disassembly, the four sides of the sample square frame are connected by a sleeve connecting rope.

[0012] Preferably, the material of the coverage auxiliary rope is an elastic rope.

[0013] Preferably, the material of the sleeve connecting rope is an elastic rope. After the sample square frame is installed, it can play a fixing role and prevent the sample square frame from slipping out of the right-angle connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the sample square frame of the present invention

[0015] Figure 2 is a schematic diagram of the telescopic structure of the hook of the present invention

[0016] Figure 3 is a schematic diagram of the storage state structure of the present invention

[0017] Legend: 1. Hook rod; 2. Positioning rod; 3. Right-angle connector; 4. Limit hole; 5. Hook rope contraction structure; 6. Coverage auxiliary rope; 7. Hook; 8. Sleeve connecting rope. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0019] As Figure 1 shown, a portable herbaceous plant community survey sample square frame includes a sample square frame body. The four sides of the frame body are composed of two hook rods 1 and two positioning rods 2, with a length of one meter, and are connected by four right-angle connectors 3. The sleeve connecting rope 8 is threaded through the hollow interiors of the hook rod 1, the positioning rod 2, and the right-angle connector 3 for connection. The hook on the hook rod 1 is connected to the coverage auxiliary rope 6 and can be hung in the limit hole 4 of the opposite positioning rod 2.

[0020] As Figure 2 shown, the hook rope contraction structure 5 is connected to the coverage auxiliary rope 6. The coverage auxiliary rope 6 is made of an elastic rope with a certain elasticity. When the hook 7 is fixed in the limit hole 4, it provides a stable structure to prevent the hook from loosening.

[0021] Nine hook rope contraction structures 5 are arranged inside the hook rod 1 at intervals of 10 cm, and nine limit holes 4 are opened in the positioning rod 2 at intervals of 10 cm.

[0022] In use, assemble the sample square frame so that the hook rod 1 and the positioning rod 2 are connected to the right-angle connector 3. Each hook rope contraction structure 5, the coverage auxiliary rope 6, and the hook 7 can be used independently. According to the investigation situation and the surface situation, some of the coverage auxiliary ropes 6 are selectively connected. When all the coverage auxiliary ropes 6 are installed, 100 sample squares of 10 cm × 10 cm are formed inside the sample square.

[0023] As Figure 3 shown, when the present utility model is in the storage state, the coverage auxiliary rope 6 and the hook 7 are both stored on one side of the hook rod 1. After the two hook rods 1 and the two positioning rods 2 are removed from the right-angle connector 3, they are connected by an elastic sleeve connecting rope 8. The storage state is one meter long, with a small volume and is easy to disassemble and assemble.

[0024] Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

Claims

1. A portable quadrat for investigating herbaceous plant communities, characterized in that: It includes a frame body. The four sides of the frame body are two hook rods (1) and two positioning rods (2), with a length of one meter, which are connected by four right-angle connectors (3). A sleeve connecting rope (8) is passed through the hollow interiors of the hook rod (1), the positioning rod (2), and the right-angle connector (3) for connection. A hook rope retraction structure (5) is installed in the hook rod (1) to connect the coverage auxiliary rope (6) and the hook (7), and the hook (7) can be hung in the limit hole (4) of the opposite positioning rod (2).

2. The portable herbaceous plant community survey quadrat according to claim 1, characterized in that: The hook rope retraction structure (5) is connected to the coverage auxiliary rope (6). The coverage auxiliary rope (6) is an elastic cord with a certain elasticity, which provides a stable structure to prevent the hook from slipping when the hook (7) is fixed in the limit hole (4).

3. The portable quadrat for herbaceous plant community survey according to claim 1, characterized in that: Nine hook rope retraction structures (5) are arranged inside the hook rod (1) at intervals of 10 cm to accommodate nine hooks (7).

4. The portable quadrat for investigating herbaceous plant communities according to claim 1, characterized in that: The positioning rod (2) has nine limit holes (4) at intervals of 10 cm.

5. The portable quadrat for herbaceous plant community survey according to claim 1, wherein: The right-angle connector (3) is a right-angle two-way joint.

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