JP6924939B2 - Bird and beast damage prevention method - Google Patents

Description

The present invention relates to a method for preventing damage to birds and beasts that protects the object to be protected from birds and beasts by covering the object to be protected in the natural world.

In general, the damage caused by wild birds and beasts of forest trees (peeling damage) is mainly caused by deer, bears, rabbits, etc. For this reason, various measures such as guard rails, repellents, and roaring sounds have been taken in the past, but the effects are limited, or considerable cost and labor (work) are required to implement them. It has been pointed out that the generation of remnants has an adverse effect on the natural environment, and it can be implemented with less cost and labor than before, and moreover, it is possible to obtain a sufficient preventive effect against wildlife damage while avoiding the adverse effect on the natural environment. There was a demand for effective measures that could be taken.

Therefore, the applicant has already proposed a cover for growth products in accordance with Patent Document 1 in order to meet this request. This cover for growth products surely avoids breakage due to growth of growth products such as trees, reduces the number of parts to reduce costs and facilitates mounting work, and further enhances the effect of preventing damage to birds and beasts. It is intended, specifically, a first band portion to be wound around a growth product is provided, an insertion hole is provided on one end side in the longitudinal direction of the first band portion, and the other end in the longitudinal direction of the first band portion. A second band portion having a predetermined length to be inserted into the insertion hole is provided on the side, and a plurality of elastic protrusions are provided on both sides of the second band portion in the width direction at predetermined intervals along the longitudinal direction. In addition, the length from the tip of the elastic protrusion on one side to the tip of the elastic protrusion on the other side in the width direction of the second band portion is selected to be longer than the length in the width direction of the insertion hole. ..

Japanese Unexamined Patent Publication No. 2004-298004

However, the conventional cover for growth products described above also has the following problems to be solved.

First, when protecting a tree to be protected, it is formed as a band member that is wrapped around the target tree and attached, so the range that can be protected against the tree is determined by the width of the band member. Range. Therefore, although it is possible to change the height position to be attached to the tree according to the type of birds and beasts, that is, the type of deer, bear, etc., if you want to expand the protection range in the vertical direction, for multiple growth products It is necessary to prepare a cover and attach it in sequence according to the laminated type. As a result, depending on the size and type of the tree, there is a problem that sufficient protection cannot always be achieved, such as an increase in mounting labor and work cost and an unnecessary gap.

Second, the damage caused by birds and beasts is not limited to trees. For example, vegetation such as leveled slopes, undergrowth and flowers on flat ground will also be damaged. However, with the conventional cover for growth products, it is practically difficult to protect such objects to be protected other than trees, and even if they are protected, they have to be protected to a very limited range. No. After all, the conventional cover for growth products has difficulty in versatility and diversity and developmentability from the viewpoint of protecting the protected objects in the natural world, and there are still some points to be improved. It had been.

An object of the present invention is to provide a method for preventing wildlife damage that solves the problems existing in such a background technique.

In order to solve the above-mentioned problems, the method for preventing damage to birds and beasts according to the present invention exposes the protected object P in the natural world for a predetermined period of time when protecting the protected object P from birds and beasts by covering the protected object P in the natural world. The whole is integrally molded with biodegradable plastic R, which is decomposed into a substance that is at least harmless to the natural world, and the size of the first M that constitutes the mesh is selected in the range of 10 to 30 [mm], and the mesh wire Np. A net member N having a thickness Ld having a predetermined elasticity is prepared, and by cutting a part of the net member N, two or more eyes M, M ... A stopper C including a configuration in which four braided wires Npa, Npb ... Located on both sides in a direction perpendicular to the connecting direction are left, and a bird and beast damage prevention cover 1p formed by cutting a net member N are obtained. After covering the surface Of of the object to be protected P with the prevention cover 1p, a pair of braided wires Npa, Npb ... Located on both sides in the perpendicular direction of the stopper C are attached to arbitrary eyes M ... It is characterized in that it is locked and the bird and beast damage prevention cover 1p is fixed by the stopper C.

Further, according to a preferred embodiment of the present invention, when preventing bird and beast damage, the surface Pf of the tree Pt is protected by winding the bird and beast damage prevention cover 1p around the tree Pt which is the object to be protected P. In addition, the surface Pf of the ground Pg can be protected by laying the bird and beast damage prevention cover 1p on the ground Pg which is the object to be protected P.

According to such a bird and beast damage prevention method, the following remarkable effects are obtained.

(1) The size Lm of the first mesh M constituting the mesh is selected in the range of 10 to 30 [mm], and the mesh wire Np is composed of the net member N selected to have a thickness Ld having a predetermined elasticity. Therefore, it can be used by cutting it into a size (shape) corresponding to the object to be protected P. Therefore, even when the band member is used as a band member to be wound around the tree Pt, the band member having the optimum form matching the tree Pt can be attached, so that sufficient protection can be achieved without generating unnecessary gaps. In addition, since it can be mounted by one mounting work, it is possible to reduce the mounting labor and the work cost.

(2) Since the whole is integrally molded with biodegradable plastic R and composed of net member N, the object to be protected P other than the tree Pt, specifically, a leveled slope, undergrowth on flat ground, flowers, etc. Even the ground Pg in which vegetation exists can be easily protected by covering it from above. As a result, it becomes possible to protect the protected object P in the natural world widely, and it is excellent in versatility, as well as in diversity and expandability.

(3) Since it is used as a stopper C by cutting a part of the net member N, it is not necessary to prepare a separate independent stopper (fixing tool). As a result, it is possible to easily prepare the required shape and quantity of fasteners C ... at the site, and it is not necessary to bring them separately.

(4) According to a preferred embodiment, when the bird / beast damage is prevented, the surface Pf of the tree Pt is protected by wrapping the bird / beast damage prevention cover 1p around the tree Pt to be the object to be protected. Since the target bird and animal damage prevention cover 1p can be obtained by cutting only the required length, it is excellent in economy and resource saving, such as being able to be used with minimal waste.

(5) According to a preferred embodiment, when the bird and beast damage is prevented, the surface Pf of the ground Pg is protected by laying the necessary bird and beast damage prevention cover 1p on the ground Pg which is the object to be protected. Since the roll E can be spread as it is and laid on the ground Pg for construction, it can be installed easily and efficiently.

Overall configuration diagram of the bird and beast damage prevention sheet used in the bird and beast damage prevention method according to the preferred embodiment of the present invention, Partial extraction enlarged view of the bird and beast damage prevention sheet, A-A line cross-sectional view of the bird and beast damage prevention sheet, A morphological diagram showing an example of a stopper obtained from the bird and beast damage prevention sheet, Morphological diagram showing the state when the stopper is used, Morphological diagram showing other modified examples of the stopper, Instructional drawing for use according to the first aspect of the bird and beast damage prevention cover obtained from the bird and beast damage prevention sheet, Instructional drawing for use according to the second aspect of the bird and beast damage prevention cover obtained from the bird and beast damage prevention sheet, Instructional drawing for use according to the third aspect of the bird and beast damage prevention cover obtained from the bird and beast damage prevention sheet, Instructional drawing for use according to the fourth aspect of the bird and beast damage prevention cover obtained from the bird and beast damage prevention sheet, Instructional drawing for use according to the fifth aspect of the bird and beast damage prevention cover obtained from the bird and beast damage prevention sheet, Instructional drawing for use according to the sixth aspect of the bird and beast damage prevention cover obtained from the bird and beast damage prevention sheet,

Next, preferred embodiments according to the present invention will be given and described in detail with reference to the drawings.

First, the configuration of the bird / beast damage prevention sheet 1 used in the bird / beast damage prevention method according to the present embodiment will be described with reference to FIGS. 1 to 3.

FIG. 1 shows the overall configuration of the bird and beast damage prevention sheet 1. As shown in FIG. 2, the bird and beast damage prevention sheet 1 selects the size Lm of the first mesh M constituting the mesh in the range of 10 to 30 [mm] (for example, 21 [mm] × 21 [mm]). .. As a result, the shape of the first eye M becomes almost square. Further, the mesh wire Np forming the mesh is formed so as to have a predetermined elasticity while ensuring a predetermined rigidity by selecting a forming material and a thickness Ld (example: 2 [mm]) described later. At the same time, it is formed so as to be a net member N as a whole.

The bird and beast damage prevention sheet 1 is not formed in a specific shape in advance, but can be used by cutting it so as to correspond to the size (shape) corresponding to the object to be protected P. Therefore, as a whole, as shown in FIG. 1, the length Ls of the width (short side) is selected to be 50 [cm] or more, more preferably 60 to 170 [cm] (example: 100 [cm]). The total length Lc in the longitudinal direction was selected to be 30 [m] to form a long web-like shape (rectangular shape), and the roll E was wound from one end side to improve storage and portability.

In this way, when the bird and beast damage prevention sheet 1 is constructed, if the length Ls of the short side is selected to be 50 [cm] or more as the form of the net member N and the net member N is wound in a roll E shape. Basically, it is possible to almost secure the maximum height that is expected to be damaged by natural beasts such as deer, so by bringing this roll E to the area where it will be installed, the size and size that can accommodate various types of beasts It is excellent in convenience and ease of manufacture, such as being able to obtain a bird and beast damage prevention cover 1p ... With a shape on the spot.

Further, in this bird and beast damage prevention sheet 1, in addition to obtaining a bird and beast damage prevention cover 1p ... By cutting to a size (shape) corresponding to the object to be protected P, a part of the net member N is shown, for example, in FIG. By cutting into the shape shown in 4, it is possible to obtain a stopper C that can be locked at an arbitrary position of the bird and beast damage prevention cover 1p. The stopper C shown in FIG. 4 includes a connecting portion Cm including two eyes M and M, a locking portion Csa on one end side by a pair of net wires Npa and Npa left at one end of the connecting portion Cm, and a connecting portion. It has a pair of net wires Npb and Npb left at the other end of Cm and a locking portion Csb on the other end side, and can be used as a typical stopper C.

When using this stopper C, as shown in FIG. 5, each net wire is passed through a pair of net wires Npa, Npa provided on one end side through an arbitrary glance Ma on the bird and beast damage prevention cover 1p. Npa, Npa can be locked to the first eye Ma, and each net wire Npb, Npb is passed through the other arbitrary first eye Mb by passing a pair of net wires Npb, Npb provided on the other end side to the first eye. It can be locked to Mb. In this way, if a part of the net member N is cut and used as the stopper C, it is not necessary to prepare a separate independent stopper (fixing tool), so that the shape and quantity of the fasteners required at the site are required. There is an advantage that C ... can be easily prepared and it is not necessary to bring it separately.

Therefore, as described above, when selecting the thickness Ld of the net wire Np so as to have a predetermined elasticity while ensuring a predetermined rigidity, it is used as such a stopper C, and this stopper is used. It is preferable to select a thickness that does not easily separate when the pair of net wires Npa, Npa ... In C are locked to any one eye Ma ...

Note that FIGS. 6A and 6B show examples of modification of the stopper C. The stopper C in FIG. 6A shows a modified example having a relatively long connecting portion Cm including the five eyes M ... The stopper C in FIG. 6B has two connecting portions Cm and Cm including three eyes M ..., and the intermediate portions of the connecting portions Cm ... are connected to each other and the link portion Cr including four eyes M ... An example of modification is shown in which the structure is connected by the above means, and the strength at the time of connection and the certainty of connection can be further improved. The stopper C in FIG. 6C is a reference example, and has a connecting portion Cm including two net wires Npm and Npm, and is paired with a pair of net wires Npa and Npa on both sides of the connecting portion Cm. It has the net lines Npb and Npb, respectively. Further, these stoppers C ... can be obtained as independent parts that are separate from the bird / animal damage prevention cover 1p, but by connecting one end side of the stopper C ... to the bird / animal damage prevention cover 1p. , It is also possible to carry out in a form integrated with the bird and beast damage prevention cover 1p. In addition, in FIGS. 6A to 6C, the same parts as those in FIG. 5 are designated by the same reference numerals to clarify their configurations, and detailed description thereof will be omitted.

Further, it is desirable that the net member N is integrally molded with the biodegradable plastic R. Biodegradable plastic R is a material that has the property of being decomposed into substances that are at least harmless to the natural world when exposed to the natural environment for a predetermined period of time. It has the same physical properties and has the property of being decomposed into water and carbon dioxide by microorganisms in the natural environment such as soil.

Such a biodegradable plastic R is not limited to a specific biodegradable plastic, and various biodegradable plastics can be used. That is, microbial biodegradable plastics produced from polymers using polyesters that are accumulated in plastics by the action of enzymes, and biodegradable natural products produced from natural polymers produced by plants and animals. Various biodegradable plastics such as plastics and biodegradable plastics of chemical synthesis system manufactured from polymers made by chemical synthesis can be used.

Further, the biodegradable plastic R may be a biodegradable plastic containing no additives, so to speak, without additives, or the weather resistance may be increased or adjusted by adding additives according to the purpose. Biodegradable plastic R may be used. An example of an additive that enhances the weather resistance is an ultraviolet absorber. The weather resistance of this ultraviolet absorber can be enhanced by blending an appropriate amount with the biodegradable plastic.

The net member N constituting the bird and beast damage prevention sheet 1 is preferably colored in a predetermined color. As the color to be colored, it is desirable to select a repellent color for birds and beasts. Therefore, as the color to be selected, for example, a color that takes into consideration the habit that birds and beasts do not approach artificially added crops should be included, and a color that does not impair the natural feeling should be selected from these colors. Is desirable. As the color of the example bird and beast damage prevention sheet 1, a natural white color was used.

Next, a method of using the bird / beast damage prevention sheet 1 (bird / beast damage prevention method) will be described with reference to FIGS. 1 to 12.

First, the bird and beast damage prevention sheet 1 by the roll E shown in FIG. 1 is brought into the place where the protected object P exists. Now, suppose that the object to be protected P is a tree Pt. 7 to 10 show examples of protection modes against various tree Pts.

As described above, the bird and beast damage prevention sheet 1 can be obtained by cutting an arbitrary position with scissors or the like to obtain a bird and beast damage prevention cover 1p having a desired shape or size. Further, the above-mentioned stopper C ... can be obtained by cutting the net member N that is a part of the bird and beast damage prevention sheet 1. The bird and beast damage prevention cover 1p ... and the stopper C ... having the desired shape or size may be manufactured at the site where the bird and beast damage prevention sheet 1 by the roll E is brought in, or may be brought in in advance. good.

In FIG. 7, the bird and beast damage prevention cover 1p obtained by cutting at a length of 130 [cm] from the tip of the roll E shown in FIG. 1 is wound around the surface Pf of the tree Pt, and one end of the bird and beast damage prevention cover 1p and the like. An example in which the ends are connected and fixed by a plurality of fasteners C ... Is shown. In this case, the height Lh of the bird and beast damage prevention cover 1p is 100 [cm].

In FIG. 8, the bird and beast damage prevention cover 1p shown in FIG. 7 is divided into upper and lower parts, and the bird and beast damage prevention cover 1p whose height is halved is wound around the surface Pf of the tree Pt to form the bird and beast damage prevention cover 1p. An example is shown in which one end and the other end are connected and fixed by a plurality of fasteners C ... Therefore, in the case of FIG. 8, the height Lhs of the bird and beast damage prevention cover 1p is 50 [cm].

In FIG. 9, by dividing the roll E shown in FIG. 1 into a plurality of upper and lower rolls, a strip-shaped bird and beast damage prevention cover 1p having a short side (width) length Lk of 20 to 30 [cm] is produced, and a tree is produced. It is wound spirally around the surface Pf of Pt, and the upper end side and the lower end side are fixed by a plurality of stoppers C .... In this case, the overall height Le covering the surface Pf of the tree Pt can be set to an arbitrary range by the bird / animal damage prevention cover 1p.

FIG. 10 shows an example of protecting the planted seedlings Pts as the tree Pt, and the bird and beast damage prevention cover 1p obtained by cutting from the tip of the roll E shown in FIG. 1 to a length of, for example, 50 [cm]. The outside of the sapling Pts is surrounded by a bird and beast damage prevention cover 1p in which one end and the other end are connected by a plurality of stoppers C ... A plurality of positions between the support column 20 and the bird / animal damage prevention cover 1p are fixed by the stopper C ... In FIG. 6A described above. In this case, as the bird and beast damage prevention cover 1p, a type having a height Lu of 150 [cm] was used.

In this way, when protecting the tree Pt (Pts) to be the object to be protected P, the surface Pf of the tree Pt can be protected by wrapping the necessary bird and animal damage prevention cover 1p around the tree Pt. Therefore, when such a bird and beast damage prevention cover 1p is used, the desired bird and beast damage prevention cover 1p can be obtained by cutting the roll E shown in FIG. 1 by the required length, so that waste is minimized. It has the advantages of being economical and resource-saving.

Next, it is assumed that the object to be protected P is the ground Pg. FIG. 11 shows a mode of protecting the surface Pf of the ground Pg on a flat ground where the undergrowth vegetation Pgf exists, and FIG. 12 shows a mode of protecting the surface Pf of the ground Pg created as a slope (sloping surface). In the case of FIG. 11, a bird and beast damage prevention sheet 1 (bird and beast damage prevention cover 1p) may be laid in the area of the ground Pg to be protected and fixed with a stake or a pin that can be inserted into the ground Pg. As a result, beasts such as deer pass through the area where the bird and beast damage prevention sheet 1 (bird and beast damage prevention cover 1p) is laid, so that the ground Pg on which the undergrowth vegetation Pgf exists is damaged or eaten up. Can be avoided or reduced to protect the ground Pg from the surface Pf.

In the case of FIG. 12, a mode in which a bird / beast damage prevention sheet 1 (bird / beast damage prevention cover 1p) is laid on the ground Pg created as a slope (sloping surface) and leveled as in the case of FIG. 11 is shown. .. As a result, beasts such as deer pass by avoiding the area where the bird and beast damage prevention sheet 1 (bird and beast damage prevention cover 1p) is laid, so that damage such as the slope being roughened and collapsing can be prevented. It is possible to protect the surface Pf of the surface.

In this way, when protecting the ground Pg to be the object to be protected P, the surface Pf of the ground Pg can be protected by laying the necessary bird and beast damage prevention sheet 1 (bird and beast damage prevention cover 1p) on the ground Pg. .. That is, since the roll E shown in FIG. 1 can be spread as it is and laid on the ground Pg for construction, there is an advantage that it can be installed easily and efficiently.

Therefore, according to the bird and beast damage prevention method according to the present embodiment, as a basic configuration (basic embodiment), biodegradability is decomposed into at least a substance harmless to the natural world by being exposed to the environment of the natural world for a predetermined period of time. A net member in which the whole is integrally molded with plastic R, the size of the first mesh M constituting the mesh is selected in the range of 10 to 30 [mm], and the mesh wire Np is selected to have a thickness Ld having a predetermined elasticity. By preparing N and cutting a part of the net member N, two or more stitches M, M ... Connected and four knittings located at both ends in the connecting direction and on both sides in the direction perpendicular to the connecting direction. A stopper C including a configuration in which the lines Npa, Npb ... Are left, and a bird and beast damage prevention cover 1p formed by cutting the net member N are obtained, and the surface Of of the protected object P is covered with the bird and beast damage prevention cover 1p. After that, a pair of braided wires Npa, Npb ... Located on both sides in the direction perpendicular to the stopper C are locked to an arbitrary eye M ... Since it is fixed, it can be used by cutting it into a size (shape) corresponding to the object to be protected P. Therefore, even when the band member is used as a band member to be wound around the tree Pt, the band member having the optimum form matching the tree Pt can be attached, so that sufficient protection can be achieved without generating unnecessary gaps. In addition, since it can be mounted by one mounting work, it is possible to reduce the mounting labor and the work cost.

In addition, since the whole is integrally molded with biodegradable plastic R and composed of net member N, the protected object P other than the tree Pt, specifically, the vegetation of the slope, the undergrowth of the flat ground, the flower, etc. Even if the ground Pg is present, it can be easily protected by covering it from above. As a result, it becomes possible to protect the protected object P in the natural world widely, and it is excellent in versatility, as well as in diversity and expandability.

Although the preferred embodiment has been described in detail above, the present invention is not limited to such an embodiment, and the present invention does not deviate from the gist of the present invention in terms of detailed configuration, shape, material, quantity, numerical value, and the like. It can be changed, added, or deleted as desired within the range.

For example, it is desirable that the net member N has a short side length Ls of 50 [cm] or more and is wound in a roll E shape, but is not necessarily limited to 50 [cm] or more. Not only that, it is not always necessary to wind it in a roll E shape. Further, although a part of the net member N is cut and used as the stopper C, a dedicated stopper C made of a different material or form may be used as the stopper C. Further, although the tree Pt and the ground Pg are exemplified as the protected object P, the bird and beast damage prevention sheet 1 can be used and further applied to the protection against other protected objects P in the natural world.

The method for preventing damage to birds and beasts according to the present invention can be used when protecting various objects to be protected from birds and beasts by covering various objects to be protected in the natural world.

1p: Bird and beast damage prevention cover, P: Protected object, Pt: Tree, Pg: Ground, Pf: Surface of protected object, R: Biodegradable plastic, M: 1 eye, Lm: 1 eye size, N: Net member, Np: Net wire, Ld: Net wire thickness, Ls: Short side length, E: Roll, C: Stopper

Claims (3)

In a bird and beast damage prevention method that protects a protected object from birds and beasts by covering the protected object in the natural world, a biodegradable plastic that is decomposed into a substance that is harmless to the natural world by being exposed to the natural environment for a predetermined period of time is used. A net member is prepared in which the whole is integrally molded, the size of the first mesh constituting the mesh is selected in the range of 10 to 30 [mm], and the mesh wire is selected to have a thickness having a predetermined elasticity. A stopper including a configuration in which two or more connected stitches and four braided wires located at both ends in the connecting direction and located on both sides in the direction perpendicular to the connecting direction are left by cutting a part of the member. After obtaining a bird and beast damage prevention cover formed by cutting the net member and covering the surface of the protected object with the bird and beast damage prevention cover, any eye on the bird and beast damage prevention cover can be used on the stopper. A method for preventing bird and beast damage, which comprises locking a pair of braided wires located on both sides in the perpendicular direction and fixing the bird and beast damage prevention cover with the stopper. The method for preventing bird and beast damage according to claim 1, wherein the bird and beast damage prevention cover is wrapped around a tree to be protected to protect the surface of the tree. The method for preventing bird and beast damage according to claim 1, wherein the bird and beast damage prevention cover is laid on the ground to be protected, thereby protecting the surface of the ground.

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