CN111557261A - Bionic log for building fish habitat and preparation method thereof - Google Patents
Bionic log for building fish habitat and preparation method thereof Download PDFInfo
- Publication number
- CN111557261A CN111557261A CN202010429963.9A CN202010429963A CN111557261A CN 111557261 A CN111557261 A CN 111557261A CN 202010429963 A CN202010429963 A CN 202010429963A CN 111557261 A CN111557261 A CN 111557261A
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- fish
- log
- layer
- creating
- biomimetic
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/12—Unicellular algae; Culture media therefor
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The application discloses a bionic log for building a fish habitat and a preparation method thereof, wherein the bionic log comprises: a support rod; the bait effect layer is arranged around the support rod, is of a porous structure and is soaked with fish luring liquid; the protective layer wraps the outside of the bait effect layer and is of a net structure so as to provide a fish luring liquid release channel. The application provides a bionical log has bait effect, engineering durability and environment-friendly concurrently, can cooperate artifical fish shelter to use, and it is convenient to install, improves the appeal of artifical fish shelter to fish, and the habitat of full play artifical fish shelter builds the function.
Description
Technical Field
The application relates to the technical field of ecological restoration, in particular to a bionic log for building a fish habitat and a preparation method thereof.
Background
The original fish habitat can be irreversibly damaged in the building process of a navigation channel, a wharf and the like, and in order to reduce the influence of water operation engineering on the environment, the fish habitat needs to be artificially constructed, and the ecological system of a local water area is restored. The existing fish habitat construction is mainly realized by putting in artificial fish reefs, the artificial fish reefs mainly adopt building materials such as concrete and stone, the water flow speed is reduced through certain structural design, a place where fishes can perch is provided, but the artificial fish reefs are poor in bait effect and weak in attraction to the fishes due to the fact that the artificial fish reefs adopt non-natural building materials, and the purpose of effectively constructing the fish habitat cannot be achieved.
Disclosure of Invention
Based on the artificial fish reef, the bionic log has the advantages of bait effect, engineering durability and environmental friendliness, is matched with the artificial fish reef for use, improves the attraction of the artificial fish reef to fishes, and fully exerts the function of creating the habitat of the artificial fish reef.
A biomimetic log for creating a fish habitat comprising:
a support rod;
the bait effect layer is arranged around the support rod, is of a porous structure and is soaked with fish luring liquid;
the protective layer wraps the outside of the bait effect layer and is of a net structure so as to provide a fish luring liquid release channel.
Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.
Optionally, the specific surface area of the bait effect layer>500m2(ii)/g, the average pore diameter is 50 to 100 μm.
Optionally, the fish luring liquid comprises at least one of photosynthetic bacteria, diatom and chlorella.
Optionally, the total microbial concentration in the fish attracting solution>106CFU/mL。
Optionally, the fish luring liquid is obtained by performing expanded culture on a microorganism inoculation liquid in a liquid culture medium, wherein the liquid culture medium takes water as a solvent, and the solutes of the liquid culture medium are as follows:
optionally, the protective layer has a tensile strength >20MPa, a compressive strength >18MPa, and a hardness >50 HSD.
Optionally, the thickness of the bait effect layer is 20-40 mm, and the thickness of the protective layer is 10-30 mm.
Optionally, the bait effect layer is made of polypropylene and/or polyethylene, and the protective layer is made of polypropylene and/or polyethylene.
Optionally, the average mesh size of the protective layer is larger than the average pore size of the bait effect layer.
The application also provides a preparation method of the bionic log, which comprises the following steps:
and 3, inserting the support rod into the bait effect layer to obtain the bionic log.
The application provides a bionical log has bait effect, engineering durability and environment-friendly concurrently, can cooperate artifical fish shelter to use, and it is convenient to install, improves the appeal of artifical fish shelter to fish, and the habitat of full play artifical fish shelter builds the function.
Drawings
Fig. 1 is a schematic diagram of a bionic log for creating a fish habitat according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For a better description and illustration of embodiments of the application, reference may be made to one or more of the drawings, but additional details or examples used in describing the drawings should not be construed as limiting the scope of any of the inventive concepts of the present application, the presently described embodiments, or the preferred versions.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Referring to fig. 1, a biomimetic log for creating a fish habitat, comprising:
a support rod 3;
the bait effect layer 1 is arranged around the support rod 3, and the bait effect layer 1 is of a porous structure and is soaked with fish luring liquid;
the protective layer 2 wraps the bait effect layer 1, and the protective layer 2 is of a net structure so as to provide a fish luring liquid release channel.
The application provides a bionical log for after restoreing hydraulic engineering construction, the destruction that causes fish ecological environment.
The application provides a bionical log uses with the cooperation of artifical fish reef, reserves the hole that is used for inserting support rod 3 on artifical fish reef usually to utilize fasteners such as bolts to fix support rod 3 on artifical fish reef. In the water area with extremely slow water flow, the bionic log provided by the application can be used independently.
The support rod 3 is used as the support of the bionic log, needs to have enough strength and corrosion resistance, can adopt stainless steel, alloy, engineering plastics and other materials which are considered and corrosion resistant, penetrates into the cylindrical structure of the bait effect layer 1 and is tightly matched with the bait effect layer 1.
The diameter and length of the support rod 3 are adjusted according to the use requirement, and in one embodiment, the diameter of the support rod 3 is 30 mm.
The porous structure of the bait effect layer 1 is a spongy structure with fine pores formed by foaming plastic, and the specific surface area of the bait effect layer 1>500m2(ii)/g, the average pore diameter is 50 to 100 μm. Providing a growing place for microorganisms and plankton. The fish luring liquid is reserved in the pore structure of the bait effect layer 1 and is slowly released, and provides continuous attraction for the fishes. In one embodiment, the specific surface area of the bait effect layer 1 is 600m2In terms of a/g, the mean pore diameter is 80 μm.
The fish luring liquid has the main function of attracting fishes, and the composition of the fish luring liquid is adjusted according to different preferences of the fishes growing in different water area environments, wherein the fish luring liquid contains at least one of photosynthetic bacteria, diatom and chlorella. The fish luring liquid can only contain one of photosynthetic bacteria, diatom and chlorella, or can simultaneously contain two or more of the photosynthetic bacteria, diatom and chlorella, and the proportion of each component is adjusted according to the preference of the fish school to be protected and recovered.
For the purpose of effectively attracting fish, the total microorganism concentration in the fish attracting liquid>106CFU/mL. In one embodiment, the fish attracting liquid is mainly used for attracting black carps, grass carps, silver carps and bighead carps in Yangtze river, the fish attracting liquid mainly comprises photosynthetic bacteria, and the concentration of the photosynthetic bacteria in the fish attracting liquid is 107CFU/mL。
The method comprises the following steps of carrying out amplification culture on microorganism inoculation liquid in a liquid culture medium to obtain a fish luring liquid, wherein the liquid culture medium takes water as a solvent, and the solutes comprise the following components:
the components of the microorganism inoculation liquid are the components of the fish luring liquid, and the microorganism inoculation liquid is subjected to expanded culture in a liquid culture medium so as to meet the requirements of the fish luring liquid.
The preparation of the liquid culture medium and the culture of the fish luring liquid are carried out at the throwing site, and the volume ratio of the microorganism inoculation liquid to the liquid culture medium is more than 1 percent.
In one embodiment, the volume ratio of the microorganism inoculation liquid to the liquid culture medium is 2%, the liquid culture medium uses water as a solvent, and the solute composition is as follows:
the tensile strength of the protective layer 2 is more than 20MPa, the compressive strength is more than 18MPa, and the hardness is more than 50 HSD. The protective layer 2 can prevent water flow scouring and aquatic animal biting, and plays a role in protecting the bait effect layer 1 inside. In one embodiment, the protective layer 2 has a tensile strength of 30MPa, a compressive strength of 20MPa, and a hardness of 60 HSD.
The thickness, the diameter and the length of the bait effect layer 1 can be adjusted according to the size of the inner space of the artificial fish reef. The thickness of the bait effect layer 1 is 20-40 mm, and the thickness of the protective layer 2 is 10-30 mm. In one embodiment, the thickness of the bait effect layer 1 is 35mm, the thickness of the protective layer 2 is 20mm, and the axial length of the bait effect layer 1 and the axial length of the protective layer 2 are 500 mm.
The bait effect layer 1 and the protective layer 2 are both made of materials without biotoxicity, the bait effect layer 1 is made of polypropylene and/or polyethylene, and the protective layer 2 is made of polypropylene and/or polyethylene. The polyethylene can be high-density polyethylene or low-density polyethylene.
The bait effect layer 1 and the protective layer 2 are formed by one-time extrusion through a composite extrusion process, and the contact surface of the bait effect layer 1 and the protective layer 2 is in hot-melt adhesion.
The raw material of the protective layer 2 is extruded into plastic filament through a nozzle in a hot melting state, and the extruded plastic filament is welded on nodes when passing through a forming device to form a three-dimensional net structure.
Foaming agent is added into the raw materials of the bait effect layer 1, and a spongy structure with fine pores is formed after foaming.
The average mesh size of the protective layer 2 is larger than the average pore size of the bait effect layer 1. The hole of bait effect layer 1 is the micron order, and the grid size of protective layer 2 is the millimeter level, and protective layer 2 is when playing the effect of protection bait effect layer 1, for the input channel that bait effect layer 1 provided nutrient substance and for the release channel that bait effect layer 1 provided the luring liquid.
After the bait effect layer 1 and the protective layer 2 are formed at one time, a cylindrical structure is formed, and a support rod 3 is inserted into the cylindrical structure to manufacture the bionic log.
The bionic log is assembled on a throwing site, before assembly, the bait effect layer 1 and the protective layer 2 are soaked in the fish luring liquid for more than 1h (for example, 1.5h), and then the support rod 3 is inserted into the bait effect layer 1.
The application also provides a preparation method of the bionic log, which comprises the following steps:
and 3, inserting the support rod 3 into the bait effect layer 1 to obtain the bionic log.
The application provides a bionical log has bait effect, engineering durability and environment-friendly concurrently, can cooperate artifical fish shelter to use, and it is convenient to install, improves the appeal of artifical fish shelter to fish, and the habitat of full play artifical fish shelter builds the function.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A bionic log for creating a fish habitat, comprising:
a support rod;
the bait effect layer is arranged around the support rod, is of a porous structure and is soaked with fish luring liquid;
the protective layer wraps the outside of the bait effect layer and is of a net structure so as to provide a fish luring liquid release channel.
2. The biomimetic log for creating a fish habitat according to claim 1, wherein a specific surface area of the bait effector layer>500m2(ii)/g, the average pore diameter is 50 to 100 μm.
3. The biomimetic log for creating a fish habitat according to claim 1, wherein the fish attracting solution comprises at least one of photosynthetic bacteria, diatoms, and chlorella.
4. The biomimetic log for creating a fish habitat according to claim 1, wherein the total microbial concentration in the fish attracting solution>106CFU/mL。
5. The biomimetic log for creating a fish habitat according to claim 1, wherein the fish luring solution is obtained by expanding and culturing microorganism inoculation solution in a liquid culture medium, wherein the liquid culture medium takes water as a solvent, and the solute composition is as follows:
6. the biomimetic log for creating a fish habitat according to claim 1, wherein the protective layer has a tensile strength >20MPa, a compressive strength >18MPa, and a hardness >50 HSD.
7. The biomimetic log for creating a fish habitat according to claim 1, wherein the thickness of the bait effect layer is 20-40 mm, and the thickness of the protective layer is 10-30 mm.
8. The biomimetic log for creating a fish habitat according to claim 1, wherein the bait effect layer is made of polypropylene and/or polyethylene, and the protective layer is made of polypropylene and/or polyethylene.
9. A biomimetic log for creating a fish habitat according to claim 1, wherein the average mesh size of the protective layer is larger than the average pore size of the bait effector layer.
10. A method of making a biomimetic log as in any of claims 1-9, comprising:
step 1, extruding the bait effect layer and the protective layer in a compounding way, and forming at one time;
step 2, preparing a fish luring liquid, and soaking the bait effect layer and the protective layer in the fish luring liquid for at least 1 h;
and 3, inserting the support rod into the bait effect layer to obtain the bionic log.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010429963.9A CN111557261B (en) | 2020-05-20 | 2020-05-20 | Bionic log for building fish habitat and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010429963.9A CN111557261B (en) | 2020-05-20 | 2020-05-20 | Bionic log for building fish habitat and preparation method thereof |
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| CN111557261A true CN111557261A (en) | 2020-08-21 |
| CN111557261B CN111557261B (en) | 2022-04-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112273324A (en) * | 2020-10-27 | 2021-01-29 | 中水北方勘测设计研究有限责任公司 | Bionic channel built near barrage for protecting beaver |
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| CN112273324A (en) * | 2020-10-27 | 2021-01-29 | 中水北方勘测设计研究有限责任公司 | Bionic channel built near barrage for protecting beaver |
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| CN111557261B (en) | 2022-04-01 |
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