Device for researching benthic shellfish burying habit and influence on environment

Abstract

The utility model belongs to the technical field, and provides a device for researching benthic shellfish burying habits and influences on the environment. A device for studying benthic shellfish burying habit and influence on the environment is a transparent box with an opening in the top, the transparent box comprises a sealing plate and at least two coamings, the sealing plate and the coamings form the side wall of the transparent box, the sealing plate and the coamings are detachably connected, and silica gel sealing strips are arranged at the detachable joints. And only one shellfish can move up and down in the transparent box body. The device can be used for directly observing shellfish activities from the side, collecting silt inside and around shellfish caves and researching physicochemical properties and microorganism distribution of the silt; before collection, silt in a collection area and silt in other areas can be separated through the soil layer partition plate, and the shellfish cave structures in other areas are prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of shellfish behavior observation devices, in particular to a device used for studying the burying habits of benthic shellfish and their impact on the environment. Background Art

[0002] Buried shellfish such as razor clams, razor clams, clams, American blood clams, hard shell clams, sand mantises, giant clams, axe clams, cherry clams, and oligomembranous razor clams have well-developed axe feet, which drive the body to dive into the mud and sand through digging with the axe feet. Environmental factors: sediment ratio, sediment particle size, temperature, salinity, pH value, flow rate, etc. will affect the burrowing behavior and physiological metabolism of buried shellfish. The burial activity of shellfish will affect the physical and chemical properties and microbial distribution of the bottom. The existing technology KR100998799B1 fish and shellfish observation box can provide fish and shellfish habitats and observe the state of the fish habitat from the top of the water surface. From the water surface, only the behavior of shellfish at the cement interface can be observed, and the behavior of shellfish under the mud and sand cannot be observed, and it is impossible to accurately sample the shellfish caves. The inventor believes that there is still room for improvement. Utility Model Content

[0003] The purpose of the utility model is to provide a device for studying the burial habits of benthic shellfish and their impact on the environment, to solve the problems of how to observe the behavior of shellfish under mud and sand, how to confirm whether shellfish are dead under mud and sand, how to accurately observe the burial depth of shellfish, and how to sample the burial area of ​​shellfish without destroying the burial caves of shellfish as much as possible. A device for studying the burial habits of benthic shellfish and their impact on the environment, the device is a transparent box with an opening on the top, the transparent box includes a sealing plate and at least two enclosures, the sealing plate and the enclosures form the side walls of the transparent box, and the sealing plate and the enclosures are detachably connected. The device uses a transparent box that can accommodate only one shellfish to move up and down. Shellfish buried in mud and sand can be observed from the side of the device to avoid the mud and sand on the side blocking the observation of the shellfish; one side of the box is a detachable cover plate, which is convenient for directly collecting the mud and sand inside the shellfish cave and the surrounding bottom mud after disassembly; the mud and sand inside the shellfish cave and the surrounding bottom mud can be collected directly from one side of the box, avoiding the need to destroy the shellfish cave structure when collecting the mud and sand inside the shellfish cave and the surrounding bottom mud from above.

[0004] Preferably, the transparent box is a rectangular parallelepiped, and the enclosure includes a first enclosure and a third enclosure. The first enclosure and the second enclosure are opposite to each other, and the distance between the first enclosure and the third enclosure matches the width of the benthic shellfish. The transparent box can only accommodate one shellfish to move up and down. The rectangular transparent box is easy to make and transport; the internal width of the control device is adopted, and the distance between the first enclosure and the third enclosure is equivalent to the width of the benthic shellfish, so that the device can only accommodate one shellfish to move up and down, and at the same time avoid mud and sand blocking the side of the shellfish, which is conducive to observation by researchers.

[0005] Preferably, the first enclosure plate and the third enclosure plate are provided with connection holes for connecting ropes to facilitate fixing the device to the bottom of a pond or an artificially constructed water tank to prevent the device from tipping over at the bottom of a pond or a water tank.

[0006] Preferably, at least two first transverse grooves are provided on one side of the first enclosure close to the inside of the transparent box, and the first transverse grooves are parallel to each other. The first transverse grooves can indicate the change of the burial depth of the shellfish in the transparent box, and the burial activity of the shellfish can be qualitatively judged according to the change of the distance between the shellfish and the adjacent transverse grooves. The more the number of first transverse grooves, the more accurately the burial depth of the shellfish in the transparent box can be indicated.

[0007] Preferably, the device includes a soil layer separator, one end of which is fixed to the first transverse groove. The soil layer separator is used to separate the silt in the shellfish area from the silt in other areas, and to support the upper silt structure to prevent the silt in other areas from causing shellfish caves due to the destruction of the lower structure when collecting shellfish caves and surrounding silt; after the collection is completed, the soil layer separator can assist in backfilling the silt to prevent the cave structure from being damaged during backfilling.

[0008] Preferably, at least two third transverse grooves are provided on the side of the third enclosure close to the inside of the transparent box, the third transverse grooves are parallel to each other, the third transverse grooves are at the same height as the first transverse grooves, the first transverse grooves and the third transverse grooves are dovetail grooves, and the end of the soil layer partition plate away from the first enclosure plate is fixed to the third transverse groove. A third transverse groove is provided on the third enclosure plate corresponding to the first enclosure plate, and the third transverse groove indicates the change of the buried depth of the shellfish in the transparent box on the opposite side, so that researchers can observe in multiple directions; the third transverse groove is used to assist the first transverse groove in fixing the soil layer partition plate, and the dovetail groove is provided to improve the stability between the soil layer partition plate and the enclosure plate, so as to prevent the soil layer partition plate and the upper sediment from being unable to remain stable after the sediment below the soil layer partition plate is collected, thereby avoiding damage to the shellfish cave structure.

[0009] Preferably, a plug-in portion is provided on the side of the soil layer separator away from the second enclosure, the soil layer separator has an inclination, and the thickness of the soil layer separator near the second enclosure is less than or equal to the thickness near the plug-in portion. The soil layer separator is provided with a plug-in portion, and when the soil layer separator is inserted into the device and contacts the second enclosure, the plug-in portion is still outside the mud and sand, which is conducive to the subsequent removal of the soil layer separator; the plug-in portion cannot go deeper, which can indicate that the soil layer separator is in contact with the second enclosure, and the soil layer separator completely separates the mud and sand in the collection area from the mud and sand in other areas; the soil layer separator has an inclination to facilitate the insertion of mud and sand, reducing the damage to the shellfish cave structure above the soil layer separator.

[0010] Preferably, a seal is provided at the joint between the enclosure and the sealing plate. Since the sediment inside and around the shellfish caves needs to be sampled frequently, the sealing plate needs to be removed many times. In order to prevent water from entering the bottom of the transparent box body to change the physical and chemical properties and microbial distribution of the sediment inside and around the shellfish caves, and to prevent the sediment from flowing out of the bottom of the transparent box body and destroying the shellfish cave structure on the upper layer, a seal needs to be provided between the sealing plate and the enclosure.

[0011] The utility model solves the problems that the current measurement of the burial depth of shellfish is unreliable and the behavior of shellfish under mud and sand cannot be observed; the burial position of shellfish cannot be located by digging mud and sand with a mud sampler, which is easy to damage the burial structure of shellfish; even if the mud sampler accurately collects mud and sand inside and around the shellfish burial, it is still easy to cause the collapse of the upper mud and sand structure and the destruction of the burial structure of shellfish, and has the following beneficial effects: a plurality of horizontal grooves are arranged to indicate the burial depth of shellfish, so as to assist researchers in making qualitative judgments on the burial activities of shellfish; the device only accommodates the up and down activities of one shellfish, and the shellfish activities can be directly seen through the transparent box, so as to facilitate researchers in determining the activity status of shellfish; a detachable sealing plate is adopted, so that mud and sand inside and around the shellfish burial can be directly collected from the side to study the physical and chemical properties and microbial distribution of the mud and sand; before collection, the mud and sand in the collection area and the mud and sand in other areas can be separated by a soil layer partition plate to avoid damaging the shellfish burial structure in other areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 This is a front view structural schematic diagram of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the utility model after the sealing plate is removed;

[0016] Figure 4 This is a front view structural diagram of the utility model after the sealing plate is removed;

[0017] Figure 5 This is a schematic diagram of the structure of the utility model after the soil layer separation plate is inserted;

[0018] Figure 6 It is a structural schematic diagram of the soil layer separation plate of the utility model.

[0019] Explanation of reference numerals: 1 first enclosure; 2 second enclosure; 3 third enclosure; 4 sealing plate; 5 fixing hole; 6 connecting hole; 7 first transverse groove; 8 third transverse groove; 9 soil layer separator; 10 plug-in part; 11 collection area. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Embodiment 1

[0022] like Figure 1 As shown, a device for studying the burying habits of benthic shellfish and their impact on the environment, the device is a transparent box with an opening on the top, the transparent box includes a sealing plate 4 and three enclosures, the sealing plate 4 and the enclosures form the side walls of the transparent box, the edge of the sealing plate 4 is provided with eight fixing holes 5, the sealing plate 4 and the enclosures are detachably connected, in this embodiment, the sealing plate 4 and the enclosures are connected by screws through the eight fixing holes 5. The transparent box is a rectangular parallelepiped, in this embodiment, the device is 5 cm long, 3 cm wide, and 20 cm high, the sealing plate 4 and the enclosures and the bottom of the box are all made of transparent organic glass with a thickness of 1.2 cm, and the transparent box can only accommodate one shellfish to move up and down. The enclosures include a first enclosure 1 and a third enclosure 3, the first enclosure 1 and the second enclosure 2 are opposite, and the distance between the first enclosure 1 and the third enclosure 3 matches the width of the benthic shellfish.

[0023] With the above arrangement, the device is a transparent box that can accommodate only one shellfish moving up and down, so that researchers can directly observe the shellfish buried under the mud and sand from the side of the device, avoiding the mud and sand on the side blocking the observation of the shellfish; one side of the box is a detachable cover plate 4, which is convenient for directly collecting the mud and sand inside the shellfish cave and the surrounding bottom mud after disassembly; the mud and sand inside the shellfish cave and the surrounding bottom mud are directly collected from one side of the box, avoiding the need to destroy the shellfish cave structure when collecting the mud and sand inside the shellfish cave and the surrounding bottom mud from above.

[0024] The rectangular transparent box is easy to make and transport; the internal width of the device is controlled, and the distance between the first enclosure 1 and the third enclosure 3 is equivalent to the width of the benthic shellfish, so that the device can only accommodate one shellfish to move up and down, while avoiding mud and sand blocking the side of the shellfish, which is beneficial for researchers to observe.

[0025] like Figure 1 and Figure 3As shown, the first enclosure 1 and the third enclosure 3 are provided with connection holes 6. The connection holes 6 are used to connect ropes, so as to facilitate fixing the device to the bottom of the pond or the bottom of the artificially constructed water tank, and prevent the device from tipping over due to collision with fish or other reasons at the bottom of the pond or the bottom of the water tank.

[0026] Combination Figure 1 and Figure 2 As shown, a seal is provided at the joint between the enclosure and the sealing plate 4, and in this embodiment, the seal is a silicone seal strip. The screws between the sealing plate 4 and the enclosure pass through the silicone seal strip. Since the sediment inside and around the shellfish caves need to be sampled frequently, the sealing plate 4 needs to be disassembled many times. In order to prevent water from entering the bottom of the transparent box body and changing the physical and chemical properties and microbial distribution of the sediment inside and around the shellfish caves, and to prevent the sediment from flowing out of the bottom of the transparent box body and destroying the shellfish cave structure on the upper layer, a seal needs to be provided between the sealing plate 4 and the enclosure to prevent water leakage.

[0027] Embodiment 2

[0028] Combination Figure 3 , Figure 4 and Figure 5 As shown, different from the first embodiment, in this embodiment, five first transverse grooves 7 are provided on the side of the first enclosure 1 close to the inside of the transparent box, and the first transverse grooves 7 are parallel to each other and evenly spaced. The first transverse grooves 7 can be used as a reference to indicate the change in the burial depth of the shellfish in the transparent box. The burial activity of the shellfish can be qualitatively judged according to the change in the distance between the shellfish and the adjacent transverse grooves. The more the number of first transverse grooves 7, the more accurately the burial depth of the shellfish in the transparent box can be indicated, thereby achieving quantitative judgment of the burial depth of the shellfish.

[0029] like Figure 5 As shown, the device includes a soil layer separator 9, one end of which is fixed to the first transverse groove 7. The soil layer separator 9 is used to separate the mud and sand in the area where the shellfish is located from the mud and sand in other areas, and to support the mud and sand structure above to prevent the mud and sand in other areas from causing shellfish caves due to the damage of the lower structure when collecting shellfish caves and surrounding mud and sand. After the collection is completed, the mud and sand are backfilled and the soil layer separator 9 is removed; the soil layer separator 9 can prevent the shellfish from moving in fear and locate the shellfish.

[0030] Combination Figure 3 , Figure 4 and Figure 5As shown, five third transverse grooves 8 are provided on the side of the third enclosure 3 close to the inside of the transparent box. The third transverse grooves 8 are parallel to each other, and the third transverse grooves 8 are at the same height as the first transverse grooves 7. The first transverse grooves 7 and the third transverse grooves 8 are dovetail grooves, and the end of the soil layer partition plate 9 away from the first enclosure 1 is fixed to the third transverse groove 8. The third transverse groove 8 is provided on the third enclosure 3 corresponding to the first enclosure 1. The third transverse groove 8 indicates the change of the burial depth of the shellfish in the transparent box on the opposite side, so that researchers can observe in multiple directions. The third transverse groove 8 is used to assist the first transverse groove 7 in fixing the soil layer partition plate 9, and the dovetail groove is provided to improve the stability between the soil layer partition plate 9 and the enclosure, so as to prevent the soil layer partition plate 9 and the upper sediment from being unable to remain stable after the sediment below the soil layer partition plate 9 is collected, thereby avoiding damage to the shellfish cave structure.

[0031] Combination Figure 5 and Figure 6 As shown, a plug-in portion 10 is provided on the side of the soil layer separator 9 away from the second enclosure 2, the soil layer separator 9 has an inclination, and the thickness of the soil layer separator 9 near the second enclosure 2 is less than or equal to the thickness near the plug-in portion 10. The soil layer separator 9 is provided with a plug-in portion 10, and when the soil layer separator 9 is inserted into the device and contacts the second enclosure 2, the plug-in portion 10 is still outside the mud and sand, which is conducive to the subsequent removal of the soil layer separator 9; the plug-in portion 10 cannot go deeper, which can indicate that the soil layer separator 9 is in contact with the second enclosure 2, and the soil layer separator 9 completely separates the mud and sand in the collection area 11 from the mud and sand in other areas; the soil layer separator 9 has an inclination to facilitate the insertion of mud and sand, reducing the damage to the shellfish cave structure above the soil layer separator 9.

[0032] The utility model solves the problems that the current measurement of the burial depth of shellfish is unreliable and the behavior of shellfish under mud and sand cannot be observed; the burial position of shellfish cannot be located by digging mud and sand with a mud sampler, which is easy to damage the burial structure of shellfish; even if the mud sampler accurately collects mud and sand inside and around the shellfish burial, it is still easy to cause the collapse of the upper mud and sand structure and the destruction of the burial structure of shellfish, and has the following beneficial effects: a plurality of horizontal grooves are provided to indicate the burial depth of shellfish, so as to assist researchers in making qualitative judgments on the burial activities of shellfish; the device only accommodates the up and down activities of one shellfish, and the shellfish activities can be directly seen through the transparent box, so as to facilitate researchers in determining the activity status of shellfish; a detachable sealing plate 4 is adopted, so that mud and sand inside and around the shellfish burial can be directly collected from the side to study the physical and chemical properties and microbial distribution of the mud and sand; before collection, the mud and sand in the collection area 11 and the mud and sand in other areas can be separated by a soil layer partition plate 9 to avoid damaging the shellfish burial structure in other areas.

[0033] The embodiments and / or implementation methods described above are only used to illustrate the preferred embodiments and / or implementation methods for realizing the technology of the utility model, and are not intended to limit the implementation methods of the technology of the utility model in any form. Any technical personnel in this field may make slight changes or modifications to other equivalent embodiments without departing from the scope of the technical means disclosed in the content of the utility model, but they should still be regarded as technologies or embodiments that are essentially the same as the utility model.

Claims

1. A device for studying the burrowing habits of benthic shellfish and their impact on the environment, characterized in that: The device is a transparent box with an opening at the top, the transparent box comprising a sealing plate (4) and at least two enclosure plates, the sealing plate (4) and the enclosure plates forming the side walls of the transparent box, and the sealing plate (4) and the enclosure plates being detachably connected.

2. A device for studying the burrowing habits of benthic shellfish and their impact on the environment according to claim 1, characterized in that: The transparent box is a rectangular parallelepiped, and the enclosure comprises a first enclosure (1) and a third enclosure (3). The first enclosure (1) and the third enclosure (3) are opposite to each other, and the distance between the first enclosure (1) and the third enclosure (3) matches the width of the benthic shellfish. The transparent box can only accommodate one shellfish to move up and down.

3. A device for studying the burrowing habits of benthic shellfish and their impact on the environment according to claim 2, characterized in that: The first enclosure plate (1) and the third enclosure plate (3) are provided with connecting holes (6).

4. The device for studying the burrowing habits of benthic shellfish and their impact on the environment according to claim 2, characterized in that: At least two first transverse grooves (7) are provided on a side of the first enclosure (1) close to the interior of the transparent box, and the first transverse grooves (7) are parallel to each other.

5. The device for studying the burrowing habits of benthic shellfish and their impact on the environment according to claim 4, characterized in that: The device comprises a soil layer separation plate (9), one end of the soil layer separation plate (9) being fixed to the first transverse groove (7).

6. The device for studying the burrowing habits of benthic shellfish and their impact on the environment according to claim 5, characterized in that: At least two third transverse grooves (8) are provided on a side of the third enclosure (3) close to the interior of the transparent box, the third transverse grooves (8) are parallel to each other, the third transverse grooves (8) correspond to the first transverse grooves (7), the first transverse grooves (7) and the third transverse grooves (8) are dovetail grooves, and the other end of the soil layer separation plate (9) away from the first enclosure (1) is fixed to the third transverse groove (8).

7. The device for studying the burrowing habits of benthic shellfish and their impact on the environment according to claim 5, characterized in that: The device comprises a second enclosure (2) connecting a first enclosure (1) and a third enclosure (3); a plug-in portion (10) is provided on a side of the soil layer separation plate (9) away from the second enclosure (2); the soil layer separation plate (9) has an inclination angle; and a thickness of the soil layer separation plate (9) close to the second enclosure (2) is less than or equal to a thickness close to the plug-in portion (10).

8. The device for studying the burrowing habits of benthic shellfish and their impact on the environment according to claim 2, characterized in that: A sealing member is provided at the joint between the enclosure plate and the sealing plate (4).

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