CN111513005A - Combined artificial fish nest and use method thereof - Google Patents
Combined artificial fish nest and use method thereof Download PDFInfo
- Publication number
- CN111513005A CN111513005A CN202010387493.4A CN202010387493A CN111513005A CN 111513005 A CN111513005 A CN 111513005A CN 202010387493 A CN202010387493 A CN 202010387493A CN 111513005 A CN111513005 A CN 111513005A
- Authority
- CN
- China
- Prior art keywords
- body frame
- fish nest
- fish
- artificial fish
- floating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims description 9
- 238000007667 floating Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims description 9
- 239000004575 stone Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 235000013601 eggs Nutrition 0.000 abstract description 13
- 239000010410 layer Substances 0.000 description 17
- 239000011148 porous material Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 230000017448 oviposition Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
- A01K61/17—Hatching, e.g. incubators
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
- A01K61/65—Connecting or mooring devices therefor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
- Artificial Fish Reefs (AREA)
Abstract
The invention provides a composite artificial fish nest which comprises an upper layer fish nest and a lower layer fish reef, wherein the upper layer fish nest comprises a floating body frame, the floating body frame is connected with the lower layer fish reef through a connecting mechanism, a plurality of groups of arrangement mechanisms are arranged on the floating body frame, and a plurality of groups of adhesion matrixes are arranged on the arrangement mechanisms. The fish nest can be placed in still water and running water, is suitable for water bodies with different depths, and provides stable and various spawning environments for fish producing viscous eggs.
Description
Technical Field
The invention relates to the field of artificial fish nests, in particular to a composite artificial fish nest and a using method thereof.
Background
The construction of water conservancy and hydropower changes the original hydrological conditions of rivers, causes the original habitat to suffer destruction, the spawning site of the fishes producing mucky eggs leads to the rapid reduction of the quantity of aquatic plants because of the flooding of a reservoir area, the spawning site of the fishes producing mucky eggs loses the original spawning site function because of the change of water depth or the siltation and other reasons, the spawning site of the fishes is seriously insufficient, and the reproduction rate and the quantity of natural populations are in the descending trend. In the ecological protection process at present, the form of artificial fish nests mostly adopts surface-layer parallel fish nests, the placing water body is mostly the surface-layer water body of shallow reservoir bay, most of the fish nests play a certain role in adapting to static slow-flowing water and breeding the fishes with the ootheca glutinosa eggs in the middle and upper layers, but have no effect on the fishes with the ootheca glutinosa eggs in the bottom layer.
Disclosure of Invention
The invention aims to provide a composite artificial fish nest and a using method thereof, which can be placed in still water and running water, are suitable for water bodies with different depths and provide stable and various spawning environments for fishes producing adhesive eggs.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a combined type artificial fish nest, includes upper fish nest and lower floor's fish reef, and upper fish nest includes the body frame, and the body frame passes through coupling mechanism to be connected with lower floor's fish reef, is equipped with the multiunit on the body frame and arranges the mechanism, arranges to be equipped with multiunit adhesion matrix on the mechanism.
In the preferred scheme, the lower layer fish reef comprises a box body, a through cavity is arranged in the box body, and a plurality of spawning holes are formed in the inner side wall of the through cavity.
In a preferred scheme, a communication cavity is arranged between two or three adjacent spawning holes.
In a preferable scheme, the width and the height of the spawning hole are 50-70 cm.
In a preferred scheme, stones are arranged in the oviposition holes.
In a preferred scheme, the connecting mechanism comprises a winch arranged on the floating body frame, and the other end of a rope on the winch is connected with the lower-layer fish reef.
In the preferred scheme, the floating body frame comprises a connecting pipe, and a floating barrel is tied on the connecting pipe.
In the preferred scheme, the connecting pipes are connected through a fixing mechanism, the fixing mechanism comprises a fixing plate, a through hole for the connecting buckle to penetrate through is formed in the fixing plate, and the upper end of the connecting buckle is fixed through a nut.
In a preferable scheme, the distance between the adhesion substrate and the water surface is 30-50 cm.
The invention also provides a use method of the combined type artificial fish nest, which comprises the following steps:
step one, investigating a fish nest arrangement water area to determine the type of fish;
splicing the floating body frame, connecting a rope of a winch with the lower layer of fish reef, and adjusting the winch according to the fish school moving area to enable the lower layer of fish reef to be lowered to a proper height;
and step three, arranging the device at the tail of the reservoir, adjusting the floating position of the floating body frame by increasing or reducing the number of the floating barrels to enable the distance between the adhesion matrix and the water surface to be 30-50 cm, enabling the direction of the penetrating cavity to be the same as that of water flow, and fixing and positioning the floating body frame through anchor ropes.
According to the combined type artificial fish nest and the using method thereof, the upper layer fish nest and the lower layer fish reef are effectively combined, meanwhile, inhabitation and propagation requirements of fishes producing viscous grass eggs and fishes producing viscous stone eggs are met, the fish reef can adjust the length of the steel cable through the winch so as to achieve the purpose of providing inhabitation and propagation places for the fishes producing the viscous stone eggs in water bodies with different depths, and the fish reef can play a role in bottom layer fixation for the surface layer fish nest and provide long-term, stable and diversified spawning environments for the fishes.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection between the connection tube and the fixing plate;
FIG. 3 is a schematic structural diagram of a lower fish reef;
in the figure: the floating body frame 1, the arrangement mechanism 2, the adhesion substrate 3, the box body 4, the winch 5, the connecting pipe 101, the floating barrel 102, the fixing plate 103, the connecting buckle 104, the nut 105, the penetrating cavity 401, the oviposition hole 402 and the communicating cavity 403.
Detailed Description
As shown in fig. 1, a combined type artificial fish nest, including upper fish nest and lower floor's fish reef, upper fish nest includes body frame 1, body frame 1 passes through coupling mechanism and is connected with lower floor's fish reef, is equipped with the multiunit on body frame 1 and arranges mechanism 2, in this embodiment, arranges mechanism 2 and is the rope, and the rope tip is connected with body frame 1, arranges that mechanism 2 is the in-line or becomes row distribution, arranges interval 0.5m between the mechanism 2, is equipped with multiunit adhesion matrix 3 on arranging mechanism 2, and grass pole can be chooseed for use to adhesion matrix 3.
In this embodiment, the floating body frame 1 includes a connection pipe 101, and a floating bucket 102 is tied to the connection pipe 101. The number of the connecting pipes 101 is eight, two connecting pipes are arranged in parallel on each side, and the floating body frame 1 forms a rectangular main body frame. Two connecting pipes 101 are arranged on each side, so that the fixing stability of the floating barrel 102 can be improved, and the floating barrel 102 is prevented from rotating.
As shown in fig. 2, the connecting pipe 101 is connected through a fixing mechanism, the fixing mechanism includes a fixing plate 103, a through hole for the connecting buckle 104 to pass through is formed in the fixing plate 103, the connecting buckle 104 is of a U-shaped structure, the upper end of the connecting buckle 104 is fixed through a nut 105, the connecting pipe 101 is arranged between the connecting buckle 104 and the fixing plate 103, and the connecting pipe 101 is connected with the fixing plate 103 through the end of the connecting pipe 101, so that the connecting pipe 101 is assembled. In a specific using method, the connecting buckle 104 is embedded and sleeved with the steel pipe 101 from bottom to top, penetrates through two holes in the upper surface of the fixing plate 103 and is fixed from top to bottom by the nut 105. A backing plate may also be provided between the fixing plate 103 and the nut 105.
The lower layer fish reef includes box 4, is equipped with in the box 4 and runs through cavity 401, runs through the cavity 401 inside wall and is equipped with a plurality of spawning holes 402. The lower layer fish reef is made into the box with a net with low density concrete material, utilizes the box to form certain space waters, runs through cavity 401 and is parallel with the rivers direction, makes rivers pass through, can reduce simultaneously by rivers impact strength.
The width and the height of the spawning hole 402 are 50-70 cm, and the turning requirements of different fishes are met.
Two or three adjacent spawning holes 402 are provided with a communication cavity 403, so that the spawning holes 402 are communicated to form a coherent cavity channel, and a single-hole, double-hole or three-hole communication is formed to form a coherent cavity channel, thereby creating different flow fields in a flowing water environment. Different flow fields are built in each pore cavity to meet the flow speed requirements of different fishes for inhabitation and propagation, for example, the hydraulic characteristic of a single-pore structure is suitable for fishes with smaller body sizes and liking turbulent environment, the hydraulic characteristic of a two-pore structure is suitable for fishes with medium body sizes and liking water bodies with certain turbulence, and the three-pore structure is suitable for fishes with larger body sizes and liking water bodies calm.
A stone is arranged in the spawning hole 402. Provides a substrate and a place for the adhesion of fish eggs and the fattening of young fishes.
Preferably, the connecting mechanism comprises a winch 5 arranged on the floating body frame 1, the winch 5 is arranged on the fixing plate 103, and the other end of a rope on the winch 5 is connected with the lower layer fish reef. The four corners of the box body 4 of the lower layer fish reef are provided with buckles, and the rope of the winch 5 is connected with the buckles. The placing depth of the lower layer fish reef can be adjusted through the winch 5 so as to achieve the purpose of providing a suitable spawning site for the fishes producing the mucky eggs in the water bodies with different depths. The fish reef can also be used as a bottom layer fixing device of the surface fish nest when being placed in a sinking state.
The distance between the adhesion substrate 3 and the water surface is 30-50 cm. The dense adhesion matrix is formed to facilitate the adhesion of the eggs, realize the coverage of natural vegetation on the water surface and provide a concealing and spawning place for the fishes spawning the mucedingly eggs.
When the combined type artificial fish nest is used, the combined type artificial fish nest comprises the following steps:
step one, investigating a fish nest arrangement water area to determine the type of fish;
splicing the floating body frame 1, connecting a rope of a winch 5 with the lower layer of fish reef, and adjusting the winch 5 according to the fish school moving area to enable the lower layer of fish reef to be lowered to a proper height;
and step three, arranging the device at the tail of the reservoir, adjusting the floating position of the floating body frame 1 by increasing or decreasing the number of the floating barrels 102 to enable the distance between the adhesion matrix 3 and the water surface to be 30-50 cm, enabling the direction of the penetrating cavity 401 to be the same as that of water flow, and fixing and positioning the floating body frame 1 through anchor ropes.
Claims (10)
1. The utility model provides a combined type artificial fish nest, its characterized in that includes upper fish nest and lower floor's fish reef, and upper fish nest includes body frame (1), and body frame (1) is connected with lower floor's fish reef through coupling mechanism, is equipped with the multiunit on body frame (1) and arranges mechanism (2), is equipped with multiunit adhesion matrix (3) on arranging mechanism (2).
2. The combined type artificial fish nest according to claim 1, wherein the lower layer fish reef comprises a box body (4), a through cavity (401) is arranged in the box body (4), and a plurality of spawning holes (402) are formed in the inner side wall of the through cavity (401).
3. The composite artificial fish nest according to claim 2, wherein a communication cavity (403) is provided between two or three adjacent spawning holes (402).
4. The composite artificial fish nest according to claim 2, wherein the width and height of the spawning hole (402) is 50-70 cm.
5. The composite artificial fish nest according to claim 2, wherein stones are provided in the spawning holes (402).
6. The composite artificial fish nest according to claim 1, wherein the connecting mechanism comprises a winch (5) arranged on the floating body frame (1), and the other end of a rope on the winch (5) is connected with the lower fish reef.
7. The composite artificial fish nest according to claim 1, characterized in that the floating body frame (1) comprises a connecting pipe (101), and a floating barrel (102) is tied on the connecting pipe (101).
8. The combined type artificial fish nest according to claim 7, wherein the connecting pipes (101) are connected by a fixing mechanism, the fixing mechanism comprises a fixing plate (103), a through hole for the connecting buckle (104) to pass through is arranged on the fixing plate (103), and the upper end of the connecting buckle (104) is fixed by a nut (105).
9. The composite artificial fish nest according to claim 1, characterized in that the distance between the adhesive matrix (3) and the water surface is 30-50 cm.
10. A use method of a composite artificial fish nest is characterized by comprising the following steps:
step one, investigating a fish nest arrangement water area to determine the type of fish;
splicing the floating body frame (1), connecting a rope of a winch (5) with the lower layer of fish reef, and adjusting the winch (5) according to the fish school moving area to enable the lower layer of fish reef to be placed at a proper height;
and step three, arranging the device at the tail of the reservoir, adjusting the floating position of the floating body frame (1) by increasing or reducing the number of the floating barrels (102), enabling the distance between the adhesion matrix (3) and the water surface to be 30-50 cm, enabling the penetrating cavity (401) to be identical to the water flow direction, and fixing and positioning the floating body frame (1) through anchor ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387493.4A CN111513005A (en) | 2020-05-09 | 2020-05-09 | Combined artificial fish nest and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387493.4A CN111513005A (en) | 2020-05-09 | 2020-05-09 | Combined artificial fish nest and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111513005A true CN111513005A (en) | 2020-08-11 |
Family
ID=71912386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010387493.4A Pending CN111513005A (en) | 2020-05-09 | 2020-05-09 | Combined artificial fish nest and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111513005A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114532270A (en) * | 2022-03-01 | 2022-05-27 | 珠江水利委员会珠江水利科学研究院 | Three-dimensional natural habitat-imitating fish nest device |
| CN114831057A (en) * | 2022-04-07 | 2022-08-02 | 中国科学院水生生物研究所 | Artificial combination construction method of lake fish habitat |
| CN114931121A (en) * | 2022-04-19 | 2022-08-23 | 中国水产科学研究院渔业机械仪器研究所 | Environment-friendly composite artificial fish nest |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203262022U (en) * | 2013-05-24 | 2013-11-06 | 水利部中国科学院水工程生态研究所 | Sticky egg manual fish nest suitable for Three Gorges reservoir |
| CN104285865A (en) * | 2014-10-22 | 2015-01-21 | 湖南省水产科学研究所 | Composite artificial roe collector and arranging method thereof |
| CN106342740A (en) * | 2016-11-01 | 2017-01-25 | 水利部中国科学院水工程生态研究所 | Extendable artificial fish nest |
| CN206260545U (en) * | 2016-11-30 | 2017-06-20 | 山东省淡水渔业研究院 | A kind of hatching apparatus of calculated viscosity ovum family selective breeding |
| CN107047422A (en) * | 2017-05-26 | 2017-08-18 | 中国长江三峡集团公司中华鲟研究所 | Double-layer artificial fish nest |
| CN107980682A (en) * | 2017-11-28 | 2018-05-04 | 浙江海洋大学 | A kind of waste petroleum platform fish reef structure |
| CN207411242U (en) * | 2017-10-10 | 2018-05-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Artificial fish nest |
| CN108496865A (en) * | 2018-06-29 | 2018-09-07 | 中国三峡建设管理有限公司 | A kind of reservoir level ecad stereo ecological fish shelter |
| CN208211235U (en) * | 2018-04-19 | 2018-12-11 | 青岛同力汇科技有限公司 | Sea mollusk artificial marine habitat |
-
2020
- 2020-05-09 CN CN202010387493.4A patent/CN111513005A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203262022U (en) * | 2013-05-24 | 2013-11-06 | 水利部中国科学院水工程生态研究所 | Sticky egg manual fish nest suitable for Three Gorges reservoir |
| CN104285865A (en) * | 2014-10-22 | 2015-01-21 | 湖南省水产科学研究所 | Composite artificial roe collector and arranging method thereof |
| CN106342740A (en) * | 2016-11-01 | 2017-01-25 | 水利部中国科学院水工程生态研究所 | Extendable artificial fish nest |
| CN206260545U (en) * | 2016-11-30 | 2017-06-20 | 山东省淡水渔业研究院 | A kind of hatching apparatus of calculated viscosity ovum family selective breeding |
| CN107047422A (en) * | 2017-05-26 | 2017-08-18 | 中国长江三峡集团公司中华鲟研究所 | Double-layer artificial fish nest |
| CN207411242U (en) * | 2017-10-10 | 2018-05-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Artificial fish nest |
| CN107980682A (en) * | 2017-11-28 | 2018-05-04 | 浙江海洋大学 | A kind of waste petroleum platform fish reef structure |
| CN208211235U (en) * | 2018-04-19 | 2018-12-11 | 青岛同力汇科技有限公司 | Sea mollusk artificial marine habitat |
| CN108496865A (en) * | 2018-06-29 | 2018-09-07 | 中国三峡建设管理有限公司 | A kind of reservoir level ecad stereo ecological fish shelter |
Non-Patent Citations (1)
| Title |
|---|
| 李永祺 等: "《海洋恢复生态学》", 31 March 2016, 中国海洋大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114532270A (en) * | 2022-03-01 | 2022-05-27 | 珠江水利委员会珠江水利科学研究院 | Three-dimensional natural habitat-imitating fish nest device |
| CN114532270B (en) * | 2022-03-01 | 2023-03-14 | 珠江水利委员会珠江水利科学研究院 | Three-dimensional natural habitat-simulated fish nest device |
| CN114831057A (en) * | 2022-04-07 | 2022-08-02 | 中国科学院水生生物研究所 | Artificial combination construction method of lake fish habitat |
| CN114831057B (en) * | 2022-04-07 | 2023-10-03 | 中国科学院水生生物研究所 | Artificial combination construction method of lake fish habitat |
| CN114931121A (en) * | 2022-04-19 | 2022-08-23 | 中国水产科学研究院渔业机械仪器研究所 | Environment-friendly composite artificial fish nest |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111513005A (en) | Combined artificial fish nest and use method thereof | |
| CN103461241B (en) | The multi-layer aquaculture net cage that a kind of safety is ecological | |
| CN110284461B (en) | Ecological spur dike for improving aquatic organism habitat of medium and small rivers | |
| CN106614203A (en) | Combined artificial fish reef | |
| JP2002171853A (en) | Apparatus and method for raising marine alga | |
| CN109984070A (en) | A kind of basalt fibre system can shunt the built-in imitative reef deep-sea culture net cage of lifting | |
| CN106069925A (en) | A kind of construction method of aquafarm float-ball type culture in enclosure facility | |
| CN109868784A (en) | A kind of Ecosystem restoration system in moisturizing type river | |
| CN206423362U (en) | A kind of turriform rises streaming artificial marine habitat | |
| CN109349165B (en) | Marine ranch | |
| CN106577432A (en) | Oceanic forest pasture | |
| CN206284122U (en) | A kind of ocean grazing forest | |
| CN108193652A (en) | Gill formula fish pass | |
| CN110627219A (en) | Automatic ecological chinampa of aquatic plant goes up and down | |
| CN216627129U (en) | Shallow sea tower type ecological fish reef | |
| CN215836569U (en) | Tree-shaped fish reef device with planting bed | |
| CN209732302U (en) | Crab seedling breeding device of mangrove wetland | |
| CN113240242A (en) | Fish habitat protection and habitat construction method based on ecological base flow regulation | |
| CN209798707U (en) | Diversion type power station overflow dam section ecological reconstruction structure | |
| CN113463582A (en) | Be suitable for and found bottom hole type fishway view weir structure that falls | |
| JP3948639B2 (en) | Firefly breeding waterway structure using firefly breeding waterway block | |
| JP2003232026A5 (en) | ||
| CN210840804U (en) | Water flow impact resistant aquatic plant planting device | |
| CN217958359U (en) | Ecological corridor platform of fish | |
| CN217839922U (en) | Row pile lining type nature-imitated fishway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200811 |
|
| RJ01 | Rejection of invention patent application after publication |