JP2006000020A - Method for trapping snake and apparatus for trapping the snake - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for trapping a snake such as Trimeresurus flavoviridis, by which the snake can be trapped only by spreading flexible nets in a narrow area such as about 1 m<SP>2</SP>and then leaving the spread nets without needing a bait, and to provide an apparatus for trapping the snake. <P>SOLUTION: This method for trapping the snake is characterized by hanging nets having different mesh sizes in the order of the mesh sizes in a mutually facing state and disposing partition nets at a distance of at least 80 cm between the adjacent nets so that the snake approached from a net having rough knit stitches sequentially approaches the nets having fine knit stitches. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

The present invention relates to a method and apparatus for capturing snakes such as hubs often found in Okinawa and Amami districts.

Various structures have been proposed as a means for capturing snakes, but as a means using a net, as described in Japanese Utility Model Publication No. 58-59472, a strut planted on a concrete base, There is a structure in which it is inclined about 30 ° outward to the height corresponding to the height of the snake, vertically extended at the height corresponding to the height of the snake, and a net is stretched between the columns.

In addition, as described in Japanese Utility Model Publication No. 57-177476, a pair of upper and lower nets are arranged in a V shape at the entrance of the box, enter from the V-shaped opening, and pass through a narrow part in the back. A structure that cannot be reversed is also proposed.

Shokai 58-59472 Shokai 57-177476

However, the fence structure with a net like patent document 1 needs to install a complicated fence structure over a wide area, and becomes expensive. Moreover, even if snakes can be prevented from entering, they cannot be captured, so there is no reduction in snakes. On the other hand, since the structure of Patent Document 2 is a structure that is guided into a capture box, it needs to be managed constantly, such as the need for live bait, and a heavy human burden. Therefore, it is not effective unless it is an area where snakes are likely to live.

The technical problem of the present invention pays attention to such a problem. For example, it can be captured only by placing a flexible net in a narrow area of about 1 m or less, and does not require food and can be left alone. It is to realize a method and apparatus capable of capturing snakes.

The technical problem of the present invention is solved by the following means. In the first aspect, a plurality of nets having different mesh sizes are suspended in an opposing state in the order of the mesh size, and a partition is provided at an interval of at least 80 cm between adjacent nets, and enters from the net side with a coarse mesh. The snake capturing method is characterized in that the snakes that come in are sequentially entered from a coarse-grained net to a finer-grained net.

In this way, a plurality of nets having different mesh sizes are suspended in an opposing state in the order of the mesh size, and a partition is provided at an interval of at least 80 cm between adjacent nets. Even if a snake that tries to enter a net with finer eyes sequentially from a coarse-grained net, it is difficult to enter because of its fine eyes, and it cannot be retracted by the action of scales. In addition, since there is a partition at a position within 80cm, it becomes a dead end, so it is difficult to meander and make a U-turn escape from a coarse net that has entered, and be caught between adjacent nets. become. In addition, after the head has entered the next finer net, at least two places are supported by the flexible and unstable net, so there is no force for stable meandering and two adjacent It becomes impossible to escape from being supported by two nets and is captured. Therefore, it is not necessary to put special bait and can be captured even if left unattended.

Claim 2 is a trapping device for carrying out the trapping method of claim 1, wherein a plurality of nets having different mesh sizes are suspended in an opposing state in the order of the mesh size, and the net having the coarsest mesh size is entered into the snake. It is the structure formed by arranging. In this way, a plurality of nets with different mesh sizes are suspended in an opposing state in the order of the mesh size, and the net with the coarsest mesh size is arranged on the entry side of the snake. The snake tries to go straight, enters at least two adjacent nets, and the body is supported in a suspended state in the mesh of two flexible nets, making it unstable and difficult to meander, Moreover, it is impossible to move backward with scales. As a result, a U-turn or return cannot be made, and a capture state is established.

According to a third aspect of the present invention, there is provided the snake capturing apparatus according to the second aspect, wherein a net having a coarser mesh size is arranged on both sides of a net having the finest mesh size. As described above, since the nets having a coarser mesh size are arranged on both sides of the net having the finest mesh size, it is possible to capture a snake that has come from both sides and enters the fine net from the net having a coarse mesh size.

According to a fourth aspect of the present invention, there is provided the snake capturing apparatus according to the second or third aspect, wherein the snake cannot pass through 10 cm or less below each net. Thus, since the snake cannot pass through 10 cm or less below each net, the incoming snake always passes a high position of 10 cm or more in each net. As a result, it passes through the mesh at the unstable position of the net, and cannot pass meandering stably. Eventually, meandering advance is impossible and it becomes a capture state.

5. The snake trapping apparatus according to claim 2, wherein a partition through which snakes cannot pass is provided between adjacent nets at intervals of 80 cm or less. It is. In this way, between the adjacent nets, there is a partition that is sufficiently shorter than the height of the snake and at least shorter than 80 cm required for meandering so that snakes cannot pass through it. At this time, even if an attempt is made to make a U-turn without entering the next net with a small mesh size, a dead end occurs due to the partition. As a result, the snake cannot meander and make a U-turn and therefore cannot escape and is trapped between adjacent nets. Or, since it enters the next net with a small mesh size, it is captured in an unstable and non-meandering state.

6. A snake trap according to any one of claims 2 to 5, wherein a guide net having a height at which the snake cannot get over is connected to both ends or one end. Device. In this way, since the induction net having a height that the snake cannot get over is connected to both ends or one end, if the induction net is stretched over a wide area, all the snakes in the wide area will be It will be guided to the position of and will be captured.

According to a seventh aspect of the present invention, there is provided a net support means in which support posts are provided at least on both sides, a horizontal net support bar is passed between the upper ends of the both support posts, and a horizontal net support bar is grounded between the lower ends of the both support posts. The snake capturing apparatus according to any one of claims 2 to 6, wherein three or more sets are arranged at a predetermined interval. In this way, since the pillars are set up on both sides, the horizontal net support bar is passed between the upper ends of the both side poles, and the horizontal net support grounding bar is passed between the lower ends of the both side poles. It will be supported in a flexible state by the upper and lower net support bars and the left and right columns. And since the net support structure of such a structure is arranged at a predetermined interval of 3 sets or more, for example, about 8 to 15 cm, these nets are simply installed so as to cross the snake passage. You can easily capture snakes.

According to an eighth aspect of the present invention, the upper ends and the lower ends of the one column are connected by a connecting tube, and the upper ends and the lower ends of the other column are connected by a connecting tube, and the connecting tube, the column and the net are connected. The snake catching device according to claim 7, wherein each of the support bars is a vinyl chloride pipe. In this way, the upper ends and lower ends of the one strut are connected by a connecting pipe, and the upper ends and lower ends of the other strut are connected by a connecting pipe, so that it becomes an integrated snake catcher and is easy to handle. It becomes. As a result, it can be used immediately just by transporting it to the site, and the work at the site is greatly reduced. In addition, since the connecting pipe, the support column, and the net support bar are each a vinyl chloride pipe, it can be easily manufactured by connecting a vinyl chloride water pipe with a commercially available connecting tool.

Since the plurality of nets having different mesh dimensions are suspended in an opposing state in the order of the mesh dimensions as in claim 1, the partition is provided at an interval of at least 80 cm between the adjacent nets. Even if a snake that has entered approaches a net with finer eyes from a net with coarse eyes, it is difficult to enter because of its fine eyes, and it cannot be retracted by the action of scales. In addition, since there is a partition at a position within 80cm, it becomes a dead end, so it is difficult to meander and make a U-turn escape from a coarse net that has entered, and be caught between adjacent nets. become. In addition, after the head has entered the next finer net, at least two places are supported by the flexible and unstable net, so there is no force for stable meandering and two adjacent It becomes impossible to escape from being supported by two nets and is captured. Therefore, it is not necessary to put special bait and can be captured even if left unattended.

As described in claim 2, a plurality of nets having different mesh sizes are suspended in an opposing state in the order of the mesh size, and the net having the coarsest mesh size is arranged on the entry side of the snake, so that the adjacent interval is narrowed. Then, the snake tries to go straight and enters at least two adjacent nets, so that the body is supported in a suspended state by two flexible nets, making it unstable and difficult to meander It will be in a state, and it will be impossible to retreat with scales. As a result, a U-turn or return cannot be made, and a capture state is established.

Since the net with the coarser mesh size is arranged on both sides of the net with the finest mesh size as in the third aspect, it is possible to capture the snake that has entered from both sides and entered the fine net from the net with the coarse mesh size. .

Since the snake cannot pass through the lower 10 cm or less of each net as in the fourth aspect, the incoming snake always passes through a high position of 10 cm or more of each net. As a result, it passes through the mesh at the unstable position of the net, and cannot pass meandering stably. Eventually, meandering advance is impossible and it becomes a capture state.

A net having a coarser mesh size is provided between the adjacent nets because the partition between the adjacent nets is sufficiently shorter than the height of the snake and at least shorter than 80 cm required for meandering so that the snake cannot pass therethrough. Even if it tries to make a U-turn without entering the fine net of the next mesh size when passing, the dead end will be due to the partition. As a result, the snake cannot meander and make a U-turn and therefore cannot escape and is trapped between adjacent nets. Or, since it enters the next net with a small mesh size, it is captured in an unstable and non-meandering state.

Since the induction net having a height that the snake cannot get over is connected to both ends or one end as in claim 6, if the induction net is stretched over a wide area, all the snakes in the wide area are It is guided to the position of the capture device and is captured.

As in claim 7, the pillars are set up on both sides, the horizontal net support bar is passed between the upper ends of the both side pillars, and the horizontal net support grounding bar is passed between the lower ends of the both side pillars. The upper, lower, left, and right are supported in a flexible state by the upper and lower net support bars and the left and right columns. And since the net support structure of such a structure is arranged at a predetermined interval of 3 sets or more, for example, about 8 to 15 cm, these nets are simply installed so as to cross the snake passage. You can easily capture snakes.

As in claim 8, since the upper ends of the one struts are connected to each other by a connecting pipe, and the upper ends of the other struts are connected to each other by a connecting pipe, it becomes an integrated snake capturing device, Handling becomes simple. As a result, it can be used immediately just by transporting it to the site, and the work at the site is greatly reduced. In addition, since the connecting pipe, the support column, and the net support bar are each a vinyl chloride pipe, it can be easily manufactured by connecting a vinyl chloride water pipe with a commercially available connecting tool.

Next, an embodiment of how the snake capturing method and the capturing apparatus according to the present invention are practically described will be described. FIG. 1 is a schematic view showing the whole of a snake capturing apparatus according to the present invention, where (1) is a plan view and (2) is a front view. The capturing device 1 according to the present invention is composed of a plurality of nets N1... N5, and the mesh of the center C net is the finest, for example, about 1 cm, and the mesh of the B net on both sides is next fine, for example, about 2 cm. The mesh of the outer A net is the coarsest, for example, about 3 cm. In addition, about 70 cm is suitable for the height of each net | network N1 ....

In this way, the guide nets 2 and 3 are connected to the left and right ends of the capturing device composed of a plurality of nets N1. For the induction nets 2 and 3, the mesh is about 5 mm, for example, and the total height of the net is about 1 m, for example. Therefore, since the snake facing the guide nets 2 and 3 cannot pass through the 5 mm mesh, it is guided along the guide nets 2 and 3 to the capture device 1 side, and a large A net on both sides of the capture device 1. To pass in the direction of each arrow.

FIG. 2 is an enlarged cross-sectional view at the position XX in FIG. 1, and the interval between the nets N1... N5 is suitably about 10 cm, but may be in the range of 8 to 15 cm. Now, assuming that the hub S1 has entered from the coarse A net on the right outer side, if the hub S1 enters the network of the next middle B net, it is difficult to enter thereafter. That is, when almost the entire length of the hub is hitting the ground surface, it can freely meander and move forward, but as shown in the figure, when it has entered across a plurality of nets N1 and N2, the net N1 , Because it is supported in a suspended manner on the fine mesh yarn of N2, the ground contact area is substantially reduced, sufficient force is not applied to the hub, and smooth meandering motion becomes difficult.

After all, since the length of the tail side is in contact with the ground surface, even if it can move forward slightly, there is only the finest C net in the mesh, and the mesh cannot pass. Since it is possible, it hits the C net, and it becomes a state where it cannot move any more. As a habit of the hub, the scale is caught in the net and cannot be retracted, so it is supported on the meshes of multiple A nets and B nets, and further movement is impossible. Become. As a result, it is captured on the A net and B net. The same applies when entering from the left side in the order of net N5 → N4 → N3.

FIG. 3 is a front view showing another embodiment of the A net, and by placing a fine net 5 having a height of about 5 to 10 cm and a net of about 0.5 cm on the lower end of the A net, Snakes and the like are prevented from entering a mesh at a low position of 5 to 10 cm or less. Snakes have the habit of moving forward with their heads lifted, so they can be captured as described in Fig. 2, but in order to increase the reliability, make 5-10 cm or less inaccessible. It is certain to leave. As a result, snakes always enter only a high position of 5-10 cm or more, so once a snake enters the net of the net, it is always unstable in the net of the net that is loosely and flexibly stretched. Since it is supported in a stable state, neither forward nor backward movement is possible, and it will be captured reliably.

Next, there is a snake that tries to warp sideways without moving forward in the next B or C net. The countermeasure in that case is demonstrated. FIG. 4 is a plan view of the capture device 1 of FIG. 1. Assuming that the total length L of each net N1... N5 is 1 m, the partitions 6 and 7 having a mesh size of about 0.5 mm are separated from the left and right ends by about 20 cm. It is provided at a position to block between adjacent nets N1... N5. Therefore, the distance between the left and right partitions 6 and 7 is about 60 cm.

Now, as in the case of the snake S2, when entering the first net A having a coarse mesh and trying to enter the next net B, a large snake cannot pass through the small mesh of the B net, and the S3 As shown in FIG. 4, the air is about to escape at an interval of about 10 cm between the adjacent nets A and B. And when it arrives at the position of the partition 7, it will hit | abut on this partition 7, and it will become impossible to advance any more. At this time, even if the original net A is entered in the opposite direction to make a U-turn, a large snake such as 1.5 to 2.0 m is difficult to meander in a short region of about 80 cm. As a result, it is captured in a narrow area between the adjacent nets A and B and the partition 7. Contrary to the snake S3, even if it is going to be warped to the left, the partition 6 is provided on the left side. It goes without saying that the guide nets 2 and 3 extend to the positions of the partitions 6 and 7 and guide the snake into the region of about 60 cm between the partitions 6 and 7. Therefore, the total length L of the device may be 60 to 80 cm. Alternatively, the induction nets 2 and 3 may be connected to the finest C net.

There is also a snake that does not warp between adjacent nets A and B and tries to pass through the mesh of the next B net. As a countermeasure in that case, one or more partitions 8 and 9 are further provided between the left and right partitions 6 to 7 between the B net and the smallest C net of the next mesh, so that the left and right partitions 6 to 7 are provided. The area is divided into two or three equal parts. As a result, the region of 60 to 80 cm of the left and right partitions 6 to 7 has a partition interval of 30 cm or 20 cm.

As a result, when the small snake S4 passes through the B net and tries to enter the next C net, the mesh of the C net is too fine to pass through. Therefore, as in the case of the snake S3, the C net Cannot enter, and tends to warp to the partition 6-9 side. However, when it hits the partitions 6-9, it cannot move forward, and even if it tries to make a U-turn to the B-net side, the space is too narrow to smoothly meander, and the U-turn cannot be made. Or, since it entered the two A nets and B nets, it is supported in a suspended state as shown in FIG. In some cases, it is captured in a supported state.

In the case of a small snake, it entered the C net of the smallest mesh, but the mesh was too small to pass, or it was supported by the three nets A, B, C and suspended in an unstable state. There is a case where the force for meandering does not enter and the state is captured as it is. In addition, although FIG. 4 demonstrated supposing the case where the snake approached from the coarse net A side of the near side, also when approaching from the back net N5 side, by carrying out the same movement, Captured between nets N5 and N3.

In this way, it is preferable that the snakes enter into a plurality of spaced nets and are supported in a suspended state so that no force is applied and the meandering motion becomes difficult or impossible. For this purpose, the nets N1 to N5 are preferably not loosely stretched but loosely stretched so as to be easily shaken.

The snake capturing apparatus according to the present invention can be attached to the nets N1 to N5 in a suspended state by driving pillars such as piles into important points in fields or wild fields, and using these pillars. It is also possible to put a plurality of columns for attaching N1. FIG. 5 is a perspective view showing a net support frame unit for constituting the snake capturing apparatus.

In this figure, the lower end support bars 10 to 14 in the horizontal direction are grounding bars that come in contact with the ground surface of a field or a field, and the left and right ends of each are connected to each other by connecting bars 15 and 16. And the support | pillars 17 ... 21 are stood up at the left end of each grounding bar 10-14, and between each support | pillar upper end is connected with the horizontal connection bar 22. As shown in FIG. In addition, a support column 23... 27 is set up at the right end of each grounding bar 10 to 14, and the upper end of each support column is connected by a horizontal connection bar 28. Then, the upper end support bars 29 to 33 in the horizontal direction are passed between the left and right struts 17-23, 18-24, 19-25, 20-26, and 21-27, and connected to each other. is there.

For each of these columns and horizontal bars, a water pipe made of vinyl chloride is suitable, but a wooden rod or the like may be used, and the material is not particularly limited. In addition, each connecting part can be bonded to each other or screwed, but in the illustrated example, it is connected with a commercial item such as a T-shaped cheese or L-shaped elbow used for connecting a vinyl chloride tube or the like. Also good.

Then, the upper, lower, left, and right sides of the nets N1 to N5 in FIGS. 1 to 4 are supported by the respective bars and columns. That is, the upper end of the front net N1 is supported by the upper end support bar 29, and the lower end is supported by the lower end support bar 10. The left end of the net is supported by the left column 17, and the right end of the net is supported by the right column 23. At the time of support, the upper and lower ends and the left and right ends of the net N1 can be connected and supported by an arbitrary method such as tying the support bar or support column with a string, thread, wire, or the like. However, the nets N1... N5 are preferably not loosely stretched but loosely stretched so as to be flexible so that even if the snake tries to meander, it is difficult for force to enter. In addition, the nets N1... N5 are not highly rigid metal nets, but are highly flexible nets knitted with synthetic resin, vegetable or other flexible yarns or strings in order to increase flexibility. .

In this way, the upper and lower ends of the nets N2 to N5 are attached and supported on the corresponding upper and lower support bars, and the left and right ends are attached and supported on the corresponding left and right columns, so that the five nets N1 to N5 can be mounted. Each of the partitions 6 to 9 in FIG. 4 is attached and connected to the adjacent left and right nets N1... N5 using strings, threads, wires, etc. at the left and right ends. This completes a set of snake capture devices. When using this snake trapping device, if it is installed between the guide nets 2 and 3 in FIG. 1, snakes in a wider area can be guided and captured. Needless to say, a gap is formed below the horizontal grounding bars 10 to 14 at the lower end of the apparatus so that the snake cannot pass therethrough. .

1 and 4 may have a structure in which the nets N1 to N5 have a total length of 60 to 80 cm, and partitions 6 and 7 are stretched at both ends thereof.

As described above, using a capture device that suspends a plurality of nets with different mesh sizes in the mesh size in an opposing state at predetermined intervals, it is installed at a position where snakes are likely to pass even if there is no live food In addition, it is possible to guide and capture snakes in a wide area using a guide net together, so that damage caused by a hub or the like can be surely avoided, and safe living and farming can be performed.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic diagram which shows the whole picture of the snake capturing apparatus by this invention, (1) is a top view, (2) is a front view. It is an expanded sectional view of the XX position of FIG. It is a front view which shows another embodiment of A net. It is an enlarged plan view of the capture device of FIG. It is a perspective view which shows the support unit of the net | network which comprises a snake capturing apparatus.

Explanation of symbols

1 Capture device N1... N5 Net A Net with the coarsest mesh size B Net with medium mesh size C Net size with finest mesh size 2.3 Guide net 4
5 A fine net with a plate or mesh of about 0.5 cm 6.9 A partition with a mesh of about 0.5 mm 10 ... 14 Horizontal lower end support bar (grounding bar)
15 · 16 connection bar 17 ··· 21 support post 22 · 28 connection bar 23 ··· 27 support post 28 ··· 32 upper end support bar

Claims (8)

A plurality of nets with different mesh sizes are suspended in the opposite state in the order of the mesh size, and a partition is provided at an interval of 80 cm or less between adjacent nets, so that snakes entering from the open net side can be seen. A method for capturing snakes, characterized by sequentially entering from a coarse-grained net to a finer-grained net. A snake capturing apparatus, wherein a plurality of nets having different mesh sizes are suspended in an opposing state in the order of mesh sizes, and the net having the coarsest mesh size is arranged on the entry side of the snake. The snake capturing apparatus according to claim 2, wherein a net having a coarser mesh size is arranged on both sides of a net having the finest mesh size. The snake capturing apparatus according to claim 2 or 3, wherein a snake cannot pass through 10 cm or less below each net. The snake trapping device according to claim 2, 3 or 4, wherein a partition through which snakes cannot pass is provided between adjacent nets at intervals of 80 cm or less. The snake trapping device according to any one of claims 2 to 5, wherein a guide net having a height at which the snake cannot get over is connected to both ends or one end. Stand at least on both sides, pass a horizontal net support bar between the upper ends of both side supports, and pass three or more sets of net support means with a horizontal net support bar between the lower ends of the both side posts at a predetermined interval. The snake capturing apparatus according to any one of claims 2 to 6, wherein the snake capturing apparatus is disposed in a position. The upper ends and lower ends of one column are connected by a connecting tube, and the upper ends and lower ends of the other column are connected by a connecting tube, and the connecting tube, column, and net support bar are each made of vinyl chloride. The snake capturing apparatus according to claim 7, wherein the snake capturing apparatus is a tube.

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