CN108896352A - A kind of fixed point monitoring method of ocean fish-egg - Google Patents
A kind of fixed point monitoring method of ocean fish-egg Download PDFInfo
- Publication number
- CN108896352A CN108896352A CN201810607658.7A CN201810607658A CN108896352A CN 108896352 A CN108896352 A CN 108896352A CN 201810607658 A CN201810607658 A CN 201810607658A CN 108896352 A CN108896352 A CN 108896352A
- Authority
- CN
- China
- Prior art keywords
- fish
- egg
- vertical
- piston
- cylinder body
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of fixed point monitoring methods of ocean fish-egg, it is desirable to provide a kind of equipment cost is low, and can directly acquire fish-egg sample, to the fixed point monitoring method for the ocean fish-egg that the oviposition situation in fish spawning ground is researched and analysed.It includes that bottom sinks formula fish-egg attachment device, and fish-egg attachment device includes swimming in floating frame, fish-egg attachment base, clump weight, connection floating frame with the upper connecting rope of fish-egg attachment base and connecting the lower connecting rope of fish-egg attachment base and clump weight.The fixed point monitoring method of ocean fish-egg successively includes the following steps：First, bottom is sunk into the dispensing of formula fish-egg attachment device to specified sea area, wherein across the sea, clump weight sinks to seabed for floating frame floating, and fish-egg attachment base leans near Sea Bottom；After second, the time T by setting, fish-egg attachment base is recycled.
Description
Technical field
The present invention relates to marine fishes oviposition monitoring fields, and in particular to a kind of fixed point monitoring method of ocean fish-egg.
Background technique
Fish spawning ground is the waters of fish and shrimp aggregation reproduction breeding, is one of most important physical environment factor of fish.
The spawning ground of fish and shrimp in ocean, it is most near littoral large-scale river entrance, such as the Jiangsu Lv Si of Chinese Famous
Fishing ground is the spawning grounds such as Larimichthys crocea, little yellow croaker, silvery pomfret, Chinese herring；Zhoushan Of Zhejiang Province fishing ground is the spawning grounds such as hairtail, Larimichthys crocea, cuttlefish.
Monitoring for fish spawning ground is one of the important means of researching fish reproduction breeding.Current fish spawning ground
Monitoring mainly use photographic device or camera arrangement, under water fish spawning ground shoot/take pictures, thus to fish
Spawning ground is monitored, the video and photo of acquisition fish oviposition.Currently, this monitor fish by the way of shooting/taking pictures
Not only equipment cost is high in spawning ground, and installation is inconvenient, is easily damaged；And fish-egg sample can not be directly acquired, it is unfavorable for raising pair
It researchs and analyses in fish spawning ground.
Summary of the invention
It is low the purpose of the invention is to provide a kind of equipment cost, and fish-egg sample can be directly acquired, to fish
The fixed point monitoring method for the ocean fish-egg that the oviposition situation in spawning ground is researched and analysed.
The technical scheme is that：
A kind of fixed point monitoring method of ocean fish-egg, including bottom sink formula fish-egg attachment device, and fish-egg attachment device includes swimming in
It floating frame, fish-egg attachment base, clump weight, connection floating frame and the upper connecting rope of fish-egg attachment base and connect fish-egg attachment base and matches
The lower connecting rope of pouring weight；
The fixed point monitoring method of ocean fish-egg successively includes the following steps：
First, bottom is sunk into the dispensing of formula fish-egg attachment device to specified sea area, wherein floating frame floats across the sea, under clump weight
Seabed is sunk to, fish-egg attachment base leans near Sea Bottom；
After second, the time T by setting, fish-egg attachment base is recycled.
Preferably, fish-egg attachment base includes suspend suspension rack in water, fixed vertical sleeve, cunning on setting suspension rack
The dynamic sliding sleeve being arranged on surely vertical sleeve, several attachment web plates being arranged on surely vertical sleeve lateral surface and setting exist
Attachment device and trigger device on fixed vertical sleeve, the lower end closed of the fixed vertical sleeve, the upper end of fixed vertical sleeve is opened
Mouthful, the attachment device includes the vertical connection cylinder body being arranged on the outer bottom of surely vertical sleeve, setting in connection cylinder vertically
On outside and with connect first interface that the inner cavity of cylinder body is connected vertically and is slidably arranged in that connect cylinder vertically intracorporal
Piston is connected, the upper end closed of the vertical connection cylinder body connects the lower ending opening of cylinder body vertically, and first interface is located at connection and lives
The top of plug；The trigger device includes the vertical triggering cylinder body being arranged on the outer bottom of surely vertical sleeve, is arranged vertical
The second interface that is connected on triggering cylinder body lateral surface and with the inner cavity of vertical triggering cylinder body is slidably arranged in vertical triggering cylinder body
Interior upper piston with lower piston, the piston rod that connect upper piston and lower piston, be arranged in it is vertical on the upper surface of upper piston
Frizzen and the reset spring being arranged between lower piston and the lower end surface of vertical triggering cylinder body, the first interface connect with second
Mouth is connected by connecting pipe, the upper and lower ends closing of the vertical triggering cylinder body, and the upper and lower end faces of vertical triggering cylinder body are equal
Mouth is crossed equipped with end face, the bottom surface of fixed vertical sleeve is equipped with frizzen via hole corresponding with vertical frizzen, the vertical touching
The end face that hair bar sequentially passes through the upper end of vertical triggering cylinder body is crossed mouth and frizzen via hole and is protruded into surely vertical sleeve；Under described
One end of connecting rope is connected with piston is connect, and the other end of lower connecting rope is connected with clump weight；The one of the upper connecting rope
End is connected with floating frame, and the other end of upper connecting rope and the upper end of sliding sleeve connect；The lower end of the sliding sleeve and fixed
It is connected between the bottom surface of vertical sleeve by middle connecting rope.
Preferably, second interface is located at upper piston under when upper piston is against on the inner top surface of vertical triggering cylinder body
Between piston.
Preferably, the medial surface of connection cylinder body is equipped with ring limit block vertically, ring limit block is located at first interface
With connect between piston.
Preferably, the method for recycling fish-egg attachment base includes the following steps in second step：
Firstly, upper connecting rope is separated with floating frame, and discharge upper connecting rope；
Then, sliding sleeve is determined vertical sleeve in Gravitative Loads lower edge and is moved down, until the lower end surface of sliding sleeve be against it is surely vertical
Until on the inner bottom surface of sleeve；Sliding sleeve will be against the upper end of vertical frizzen in this process, and by triggering vertically
Bar drives upper piston to move down together with lower piston, and when upper piston is located at below second interface, extraneous hydraulic pressure by triggering vertically
The end face of the upper end of cylinder body crosses mouth, second interface, connecting pipe and second interface and enters the vertical connection cylinder connected above piston
In vivo, at this point, under the buoyancy of suspension rack, suspension rack will drive fixed vertical sleeve, sliding sleeve, attachment web plate, triggering
Device and vertical connection cylinder body float on sea together, and lower connecting rope, connection piston and clump weight then stay in seabed；
Followed by, the fish-egg attachment base on sea is transported on ship, complete fish-egg attachment base recycling.
The beneficial effects of the invention are as follows：Equipment cost is low, and can directly acquire fish-egg sample, to fish spawning ground
Situation of laying eggs carries out research and analysis.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the fixed point monitoring method of ocean fish-egg of the invention.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
In figure：
Clump weight 1；
Floating frame 2；
Upper connecting rope 3；
Fish-egg attachment base 4, suspension rack 4.1, fixed vertical sleeve 4.2, frizzen via hole 4.21, sliding sleeve 4.3 adhere to web plate
4.4, middle connecting rope 4.5, attachment device 4.6 is vertical to connect cylinder body 4.61, connects piston 4.62, first interface 4.63, annular limit
Position block 4.64, trigger device 4.7, vertical triggering cylinder body 4.70, second interface 4.71, upper piston 4.72, lower piston 4.73, vertically
Mouth 4.76 is crossed in frizzen 4.74, reset spring 4.75, end face；
Lower connecting rope 5.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing：
As shown in Figure 1, a kind of fixed point monitoring method of ocean fish-egg, including bottom sinks formula fish-egg attachment device, fish-egg attachment device
Including swimming in clump weight 1, floating frame 2, fish-egg attachment base 4, connection floating frame and the upper connecting rope 3 of fish-egg attachment base and connecting
The lower connecting rope 5 of fish-egg attachment base and clump weight.
Fish-egg attachment base includes suspend suspension rack 4.1 in water, the fixed vertical sleeve 4.2 on setting suspension rack, sliding
It the sliding sleeve 4.3 that is arranged on surely vertical sleeve, several attachment web plates 4.4 being arranged on surely vertical sleeve lateral surface and sets
Set attachment device 4.6 and trigger device 4.7 on surely vertical sleeve.
The lower end closed of fixed vertical sleeve, the upper end opening of fixed vertical sleeve.The lower end of sliding sleeve and fixed vertical sleeve
Bottom surface between be connected by middle connecting rope 4.5.
As shown in Figure 1 and Figure 2, attachment device includes the vertical connection cylinder body being arranged on the outer bottom of surely vertical sleeve
4.61, the first interface 4.63 and cunning for being arranged on vertical connection cylinder body lateral surface and being connected with the inner cavity for connect cylinder body vertically
Dynamic setting is in the connection intracorporal connection piston 4.62 of cylinder vertically.The upper end closed of vertical connection cylinder body, it is vertical to connect under cylinder body
End opening.First interface is located at the top of connection piston.The medial surface of vertical connection cylinder body is equipped with ring limit block 4.64, ring
Shape limited block is located between first interface and connection piston.
Trigger device includes the vertical triggering cylinder body 4.70 being arranged on the outer bottom of surely vertical sleeve, is arranged and is touching vertically
The second interface 4.71 that is connected on hair cylinder body lateral surface and with the inner cavity of vertical triggering cylinder body is slidably arranged in vertical triggering cylinder
Intracorporal upper piston 4.72 and lower piston 4.73 connect the piston rod of upper piston and lower piston, the upper end of upper piston are arranged in
Vertical frizzen 4.74 on face and the reset spring 4.75 being arranged between lower piston and the lower end surface of vertical triggering cylinder body.The
One interface is connect with second interface by connecting pipe.
The upper and lower ends closing of vertical triggering cylinder body, the vertical upper and lower end faces for triggering cylinder body are equipped with end face and cross mouth
4.76.The bottom surface of fixed vertical sleeve is equipped with frizzen via hole 4.21 corresponding with vertical frizzen.Vertical frizzen is successively
Mouth and frizzen via hole are crossed across the end face of the upper end of vertical triggering cylinder body and are protruded into surely vertical sleeve.
As shown in Fig. 2, second interface is located at upper piston under when upper piston is against on the inner top surface of vertical triggering cylinder body
Between piston.
One end of lower connecting rope is connected with piston is connect, and the other end of lower connecting rope is connected with clump weight.
One end of upper connecting rope is connected with floating frame, and the other end of upper connecting rope and the upper end of sliding sleeve connect.
The buoyancy of suspension rack, which is greater than, to be driven fixed vertical sleeve, sliding sleeve, attachment web plate, trigger device and connects cylinder vertically
The sum of gravity of body；The buoyancy of suspension rack, which is less than, drives fixed vertical sleeve, sliding sleeve, attachment web plate, trigger device, connection dress
It sets and the sum of the gravity of clump weight.
The fixed point monitoring method of ocean fish-egg successively includes the following steps：
First, bottom is sunk into the dispensing of formula fish-egg attachment device to specified sea area, wherein floating frame floats across the sea, under clump weight
Seabed is sunk to, fish-egg attachment base leans near Sea Bottom；
After second, the time T by setting, fish-egg attachment base is recycled.
T value is two weeks in the present embodiment, during this period of time, on the one hand, fish can directly produce on attachment web plate
Ovum is attached to fish-egg on attachment web plate；On the other hand, fish-egg in the seawater is floated when on by attachment web plate, is also had
Part fish-egg can adhere on web plate；
The method of recycling fish-egg attachment base includes the following steps：
Firstly, upper connecting rope is separated with floating frame, and discharge upper connecting rope；
Then, sliding sleeve is determined vertical sleeve in Gravitative Loads lower edge and is moved down, until the lower end surface of sliding sleeve be against it is surely vertical
Until on the inner bottom surface of sleeve；Sliding sleeve will be against the upper end of vertical frizzen in this process, and by triggering vertically
Bar drives upper piston to move down together with lower piston, and when upper piston is located at below second interface, extraneous hydraulic pressure by triggering vertically
The end face of the upper end of cylinder body crosses mouth, second interface, connecting pipe and second interface and enters the vertical connection cylinder connected above piston
In vivo, at this point, under the buoyancy of suspension rack, suspension rack will drive fixed vertical sleeve, sliding sleeve, attachment web plate, triggering
Device and vertical connection cylinder body float on sea together, and lower connecting rope, connection piston and clump weight then stay in seabed；
Followed by, the fish-egg attachment base on sea is transported on ship, complete fish-egg attachment base recycling.
Fish can be produced according to the value volume and range of product of the fish-egg of the attachment on attachment web plate after recycling fish-egg attachment base
The oviposition situation of ovum field carries out research and analysis.
Claims (5)
1. a kind of fixed point monitoring method of ocean fish-egg, characterized in that sink formula fish-egg attachment device the bottom of including, fish-egg attachment device
Including swimming in floating frame, fish-egg attachment base, clump weight, connection floating frame and the upper connecting rope of fish-egg attachment base and connecting fish-egg
The lower connecting rope of attachment base and clump weight；
The fixed point monitoring method of ocean fish-egg successively includes the following steps：
First, bottom is sunk into the dispensing of formula fish-egg attachment device to specified sea area, wherein floating frame floats across the sea, under clump weight
Seabed is sunk to, fish-egg attachment base leans near Sea Bottom；
After second, the time T by setting, fish-egg attachment base is recycled.
2. the fixed point monitoring method of ocean fish-egg according to claim 1, characterized in that the fish-egg attachment base includes outstanding
If fixed vertical sleeve on floating suspension rack in water, setting suspension rack, the sliding sleeve being slidably arranged on surely vertical sleeve,
The dry attachment web plate being arranged on surely vertical sleeve lateral surface and the attachment device and trigger device that are arranged on surely vertical sleeve,
The lower end closed of the fixed vertical sleeve, the upper end opening of fixed vertical sleeve,
The attachment device includes the vertical connection cylinder body being arranged on the outer bottom of surely vertical sleeve, setting in connection cylinder vertically
On outside and with connect first interface that the inner cavity of cylinder body is connected vertically and is slidably arranged in that connect cylinder vertically intracorporal
Piston is connected, the upper end closed of the vertical connection cylinder body connects the lower ending opening of cylinder body vertically, and first interface is located at connection and lives
The top of plug；
The trigger device includes the vertical triggering cylinder body being arranged on the outer bottom of surely vertical sleeve, setting in triggering cylinder vertically
The second interface that is connected on outside and with the inner cavity of vertical triggering cylinder body, be slidably arranged in vertical triggering cylinder it is intracorporal on
Piston with lower piston, the piston rod that connect upper piston and lower piston, the vertical frizzen being arranged on the upper surface of upper piston
And the reset spring between lower piston and the lower end surface of vertical triggering cylinder body is set, the first interface passes through with second interface
Connecting pipe connection,
The upper and lower ends closing of the vertical triggering cylinder body, the vertical upper and lower end faces for triggering cylinder body are equipped with end face and cross mouth, fixed
The bottom surface of vertical sleeve is equipped with frizzen via hole corresponding with vertical frizzen, and the vertical frizzen sequentially passes through vertically
The end face for triggering the upper end of cylinder body is crossed mouth and frizzen via hole and is protruded into surely vertical sleeve；
One end of the lower connecting rope is connected with piston is connect, and the other end of lower connecting rope is connected with clump weight；
One end of the upper connecting rope is connected with floating frame, and the other end of upper connecting rope and the upper end of sliding sleeve connect；
It is connected between the lower end of the sliding sleeve and the bottom surface of fixed vertical sleeve by middle connecting rope.
3. the fixed point monitoring method of ocean fish-egg according to claim 2, characterized in that when upper piston is against vertical triggering
When on the inner top surface of cylinder body, second interface is between upper piston and lower piston.
4. the fixed point monitoring method of ocean fish-egg according to claim 2 or 3, characterized in that the vertical connection cylinder body
Medial surface be equipped with ring limit block, ring limit block be located at first interface and connect piston between.
5. the fixed point monitoring method of ocean fish-egg according to claim 2, characterized in that in second step, recycle fish-egg
The method of attachment base includes the following steps：
Firstly, upper connecting rope is separated with floating frame, and discharge upper connecting rope；
Then, sliding sleeve is determined vertical sleeve in Gravitative Loads lower edge and is moved down, until the lower end surface of sliding sleeve be against it is surely vertical
Until on the inner bottom surface of sleeve；Sliding sleeve will be against the upper end of vertical frizzen in this process, and by triggering vertically
Bar drives upper piston to move down together with lower piston, and when upper piston is located at below second interface, extraneous hydraulic pressure by triggering vertically
The end face of the upper end of cylinder body crosses mouth, second interface, connecting pipe and second interface and enters the vertical connection cylinder connected above piston
In vivo, at this point, under the buoyancy of suspension rack, suspension rack will drive fixed vertical sleeve, sliding sleeve, attachment web plate, triggering
Device and vertical connection cylinder body float on sea together, and lower connecting rope, connection piston and clump weight then stay in seabed；
Followed by, the fish-egg attachment base on sea is transported on ship, complete fish-egg attachment base recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810607658.7A CN108896352B (en) | 2018-06-13 | 2018-06-13 | Fixed-point monitoring method for marine fish eggs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810607658.7A CN108896352B (en) | 2018-06-13 | 2018-06-13 | Fixed-point monitoring method for marine fish eggs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108896352A true CN108896352A (en) | 2018-11-27 |
| CN108896352B CN108896352B (en) | 2020-08-14 |
Family
ID=64344802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810607658.7A Active CN108896352B (en) | 2018-06-13 | 2018-06-13 | Fixed-point monitoring method for marine fish eggs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108896352B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109644922A (en) * | 2018-12-06 | 2019-04-19 | 浙江省海洋水产研究所 | Floatation type fish spawning ground protection zone monitoring device |
| CN109781726A (en) * | 2018-12-06 | 2019-05-21 | 浙江省海洋水产研究所 | Sinking type spawning ground monitoring device |
| CN110338122A (en) * | 2019-06-17 | 2019-10-18 | 浙江省海洋水产研究所 | One kind is swum fish-egg metering device and method |
| CN111762288A (en) * | 2020-06-09 | 2020-10-13 | 浙江省海洋水产研究所 | Wind-wave-resistant marine fouling organism investigation equipment |
| CN111766355A (en) * | 2020-06-09 | 2020-10-13 | 浙江省海洋水产研究所 | Testing device for testing fouling organism adhesion conditions at different depths of ocean |
| CN112655608A (en) * | 2020-12-18 | 2021-04-16 | 浙江省海洋水产研究所 | Sinking type attachment base based on oviposition habit of cuttlefish |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009207473A (en) * | 2008-03-04 | 2009-09-17 | Makoto Yafuji | Production method of fish egg skin extract |
| JP2012085572A (en) * | 2010-10-19 | 2012-05-10 | Hashimoto Electronic Industry Co Ltd | Method for treating many roes |
| CN104982351A (en) * | 2015-06-02 | 2015-10-21 | 浙江省海洋水产研究所 | Hairtail parent and roe collection apparatus |
| CN106900666A (en) * | 2015-12-23 | 2017-06-30 | 浙江金马实业有限公司 | A kind of floatation type floating gill net device |
| CN107125171A (en) * | 2017-05-25 | 2017-09-05 | 浙江省海洋水产研究所 | The attached ovum device of sinking type cuttlefish |
| CN107570316A (en) * | 2017-08-03 | 2018-01-12 | 中国水产科学研究院南海水产研究所 | Seawater buoyancy fish-egg sieves excellent separation method and the separating barrel and the application method of separating barrel used |
| CN206879823U (en) * | 2017-05-25 | 2018-01-16 | 浙江省海洋水产研究所 | A kind of falling-proof type inkfish spawning collector |
| CN107751059A (en) * | 2017-09-04 | 2018-03-06 | 浙江省海洋水产研究所 | Device is put in a suitable place to breed from trigger-type based on Gravity changer |
-
2018
- 2018-06-13 CN CN201810607658.7A patent/CN108896352B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009207473A (en) * | 2008-03-04 | 2009-09-17 | Makoto Yafuji | Production method of fish egg skin extract |
| JP2012085572A (en) * | 2010-10-19 | 2012-05-10 | Hashimoto Electronic Industry Co Ltd | Method for treating many roes |
| CN104982351A (en) * | 2015-06-02 | 2015-10-21 | 浙江省海洋水产研究所 | Hairtail parent and roe collection apparatus |
| CN106900666A (en) * | 2015-12-23 | 2017-06-30 | 浙江金马实业有限公司 | A kind of floatation type floating gill net device |
| CN107125171A (en) * | 2017-05-25 | 2017-09-05 | 浙江省海洋水产研究所 | The attached ovum device of sinking type cuttlefish |
| CN206879823U (en) * | 2017-05-25 | 2018-01-16 | 浙江省海洋水产研究所 | A kind of falling-proof type inkfish spawning collector |
| CN107570316A (en) * | 2017-08-03 | 2018-01-12 | 中国水产科学研究院南海水产研究所 | Seawater buoyancy fish-egg sieves excellent separation method and the separating barrel and the application method of separating barrel used |
| CN107751059A (en) * | 2017-09-04 | 2018-03-06 | 浙江省海洋水产研究所 | Device is put in a suitable place to breed from trigger-type based on Gravity changer |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109644922A (en) * | 2018-12-06 | 2019-04-19 | 浙江省海洋水产研究所 | Floatation type fish spawning ground protection zone monitoring device |
| CN109781726A (en) * | 2018-12-06 | 2019-05-21 | 浙江省海洋水产研究所 | Sinking type spawning ground monitoring device |
| CN109644922B (en) * | 2018-12-06 | 2021-02-19 | 浙江省海洋水产研究所 | Floating type monitoring device for protective area of fish spawning site |
| CN109781726B (en) * | 2018-12-06 | 2021-02-19 | 浙江省海洋水产研究所 | Bottom-sinking type spawning site monitoring equipment |
| CN110338122A (en) * | 2019-06-17 | 2019-10-18 | 浙江省海洋水产研究所 | One kind is swum fish-egg metering device and method |
| CN110338122B (en) * | 2019-06-17 | 2021-06-22 | 浙江省海洋水产研究所 | Floating fish egg metering device and method |
| CN111762288A (en) * | 2020-06-09 | 2020-10-13 | 浙江省海洋水产研究所 | Wind-wave-resistant marine fouling organism investigation equipment |
| CN111766355A (en) * | 2020-06-09 | 2020-10-13 | 浙江省海洋水产研究所 | Testing device for testing fouling organism adhesion conditions at different depths of ocean |
| CN112655608A (en) * | 2020-12-18 | 2021-04-16 | 浙江省海洋水产研究所 | Sinking type attachment base based on oviposition habit of cuttlefish |
| CN112655608B (en) * | 2020-12-18 | 2022-02-18 | 浙江省海洋水产研究所 | Sinking type attachment base based on oviposition habit of cuttlefish |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108896352B (en) | 2020-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108896352A (en) | A kind of fixed point monitoring method of ocean fish-egg | |
| CN106718818B (en) | A kind of floated artificial algal reef device | |
| CN105716897B (en) | A kind of water conservancy lake detection sampling equipment and its implementation method | |
| CN101341865A (en) | Automatic net-throwing fishing machine at ocean floor | |
| CN105785470B (en) | A kind of single-floating ball heat flow of ocean floor long-term observation system | |
| CN209151984U (en) | A kind of cultchless oyster marine raft culture device | |
| CN105052848B (en) | A kind of sinking type shrimp catcher | |
| CN107980682A (en) | A kind of waste petroleum platform fish reef structure | |
| CN109000974A (en) | Pinpoint fish-egg auxiliary monitoring device | |
| CN203259371U (en) | Undercurrent zone multilayer sampler | |
| CN209749475U (en) | Water injection and drainage sinking and floating system for underwater cage culture | |
| CN108924493B (en) | Device and method for monitoring vertical distribution of marine fish eggs | |
| CN203772582U (en) | Manual sampling device for detecting water quality | |
| CN106577435B (en) | A kind of compound reef device of fish algae having with tidal undulation | |
| CN105699123B (en) | A kind of anti-interference heavy hammer mechanism | |
| CN108271721B (en) | Cruising type purse net fish school distribution detection device and purse net culture device | |
| CN201243559Y (en) | Float ball controller | |
| CN105284749B (en) | It is a kind of to adopt shrimp instrument suitable for sampling observation aquatic product quality | |
| CN206248383U (en) | A kind of water quality monitoring sampler | |
| CN106538441B (en) | Floating triggers reefs device | |
| CN106922633A (en) | A kind of gill net finishing device | |
| CN108931234A (en) | A kind of sea area reparation area fishery resources monitoring system | |
| CN107748079A (en) | It is a kind of to launch in advance from floating type deposit collection body | |
| CN108077142B (en) | Anti-escape purse seine breeding device | |
| CN208419971U (en) | A kind of shallow sea living resources monitoring device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |