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676 results about "Aquatic organisms" patented technology

Definition of Aquatic organism Aquatic organism means an individual member of any species of fish, mollusk, crustacean, aquatic reptile, aquatic amphibian, or aquatic insect or other aquatic invertebrate. "Aquatic organism" includes the viable gametes (eggs or sperm) of an aquatic organism.

Aquatic organism diversity rapid evaluation system and method based on GIS and eDNA technologies

The invention discloses an aquatic organism diversity rapid evaluation system and method based on GIS and eDNA technologies, and the method comprises the steps: selecting a plurality of sampling points in a target region to collect water samples, and integrating and processing the geographic information data of the sampling points and surrounding regions by adopting a GIS system; extracting eDNA from the collected water sample, performing amplification and sequencing on the eDNA by adopting a high-throughput sequencing technology, obtaining species and relative abundance of the species existing at the sampling point, and forming a species list; importing species distribution information corresponding to the species list into a GIS system, and obtaining a species distribution area and species types; according to the method, a species distribution prediction model is established, aquatic organism diversity change trends of the hot spot area and the potential ecological threat area are monitored in real time, an evaluation report and protection suggestions are formed, and protection measures are updated in time, so that the data acquisition and processing efficiency is improved, and the accuracy of species identification and the comprehensiveness of diversity evaluation are enhanced; and a real-time monitoring and early warning mechanism is provided.
Owner:SICHUAN XINHE QINGYUAN TECHNOLOGY CO LTD

Visual river and lake water area health ecological supervision and management system

The invention relates to the technical field of environment intelligent supervision, and discloses a visual river and lake water area health ecological supervision and management system. A data acquisition and feature extraction module of the system is responsible for acquiring multi-source ecological monitoring data of water areas of rivers and lakes, extracting spatial change features of motion trails of aquatic organisms and a time sequence of water quality parameters from the data, and identifying abnormal features according to an index variation mode corresponding to a predefined ecological health level; and generating an ecological health abnormity response label set associated with the specific geographic position. And the health state analysis module obtains key information of the marked water area section based on the label set, analyzes a change track and a deviation interval of the health state in the supervision time frame, and determines a health state lagging time period. And the evaluation delay processing module is used for extracting related time information to calculate a time difference according to the water area subareas related to the lagging time period, screening out the water area subareas which are not evaluated completely and sorting the water area subareas, and generating an adjustable configuration scheme of the monitoring time period of the water area subareas.
Owner:HUAISHU NEW RIVER MANAGEMENT OFFICE OF JIANGSU PROVINCE

Waste fishpond ecological restoration method based on ecological corridor

The invention belongs to the technical field of ecological restoration and wetland engineering, and discloses an ecological corridor-based abandoned fishpond ecological restoration method, which comprises the following steps: S1, land forest restoration: planting saline-alkaline tolerant vegetation around an abandoned fishpond and in a land and abandoned fishpond transition area in a layered manner; s2, mangrove forest wetland construction: performing microtopography modification to adjust the bottom mud elevation, and planting mangrove forest plants in a layered manner; s3, ecological corridor construction: constructing an ecological corridor on one side of the abandoned fishpond and the land, and constructing an ecological corridor on one side of the abandoned fishpond and the ocean; s4, ecological monitoring and maintenance: carrying out hydrological, tidal and biological detection regularly; the three-dimensional ecological corridor system of'land forest-mangrove forest wetland-ocean 'is constructed, and the abandoned fish pond is transformed into the mangrove forest wetland, so that not only are biodiversity improvement and ecosystem connectivity realized, but also stable migration and inhabitation space can be provided for terrestrial and aquatic organisms.
Owner:SHENZHEN UNIV +1

Microbial agent based on bacillus velezensis and application thereof

The invention relates to a microbial agent prepared based on a new strain of bacillus velezensis, which has the function of broad-spectrum antagonism of common pathogenic bacteria of aquatic products and can effectively prevent and / or treat bacterial diseases and / or fungal diseases of aquatic organisms including crustaceans and fishes. Meanwhile, the content of nitrite and ammonia nitrogen in aquaculture water can be effectively reduced, and the usage amount and residual quantity of antibiotics and chemical drugs in aquaculture are reduced.
Owner:NANJING LETOUSI HIGH TECH MATERIALS TECH CO LTD

Degenerated marsh rapid recovery method based on hydrological and biological communication

The invention discloses a hydrological and biological communication-based degraded marsh rapid recovery method, which aims at the problems of water resource shortage and biological isolation in a degraded marsh area, and comprises the following steps of: constructing a controllable hydrological communication channel between the degraded marsh area and an adjacent natural river, accurately opening the controllable hydrological communication channel in a natural river flooding season, and utilizing flood power to realize rapid recovery of the degraded marsh area. And the natural and efficient supply of water resources to the recovered degraded marsh area and the direct input of various aquatic organisms in the natural river are synchronously realized. And according to the life cycle key stage of the target aquatic organism, the opening time, frequency and period of the controllable hydrological communication channel are regulated and controlled, and the biological input effect is maximized. After the controllable hydrological communication channel is closed, the degenerated marsh area is kept stable in the non-flood period, and habitat building and monitoring are assisted. The method is low in cost, high in efficiency and small in ecological risk, can quickly reconstruct aquatic organism communities and ecological network functions, and is particularly suitable for restoration engineering of large-scale returning to wetness and degraded marsh.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Sustainable luring ecological floating island system and sustainable fishing method thereof

The invention discloses a sustainable luring ecological floating island system which is characterized in that fish schools in an open type water area are induced to enter a water area where an ecological floating island is located through planned enhancement releasing feeding and going out, and the fish schools in the water area where the ecological floating island is located are captured through a fishing device and put into a besieging space. The method can ensure that the species and number of aquatic organisms in an ecological floating island ecological system are kept relatively stable within a certain time, conforms to the development concept of sustainable fishery, can enable fishing and fishing pleasure and ecological environment protection to cooperatively develop, can ensure that the fishing and fishing pleasure can be continuously and healthily carried out for a long time, and has a wide application prospect. Therefore, a sustainable and stable fishing place is provided for fishing enthusiasts through a sustainable inducing and breeding combined mode, and meanwhile protection and recovery of a water area ecological system are considered; the invention further discloses a sustainable fishing method of the sustainable luring ecological floating island system, and by means of a sustainable luring combination mode of the ecological floating island system, catching and fishing activities can be continuously carried out.
Owner:ZHUHAI HONGDIAN TECH CO LTD

Validamycin / thifluzamide double-loaded preparation with acid-base response characteristic

The invention relates to the technical field of pesticides, in particular to a validamycin / thifluzamide double-loaded preparation with an acid-base response characteristic. The preparation method comprises the following steps: firstly, loading thifluzamide by using calcium carbonate to form a microsphere structure, and simultaneously loading validamycin and thifluzamide calcium carbonate microspheres by using sodium carboxymethyl cellulose and sodium alginate as carrier materials to construct the double-load pesticide preparation. The validamycin / thifluzamide double-loaded preparation provided by the invention has the characteristic of responding to the pH value of the environment, and can simultaneously realize quick release of validamycin and long-acting release of thifluzamide, so that the pesticide effect is remarkably improved. Besides, the validamycin / thifluzamide double-loaded preparation provided by the invention has good leaf surface wettability and release performance, has a relatively good prevention effect on rice sheath blight disease, and has relatively high safety to aquatic organisms represented by zebra fish.
Owner:INSTITUTE OF ENVIRONMENT AND SUSTAINABLE DEVELOPMENT IN AGRICULTURE CAAS

Bionic robotic fish swimming control method based on data driving

Fish in nature shows excellent swimming ability, however, biomimetic robotic fish developed and inspired by aquatic organisms is still different from real fish in motion performance. In order to improve the swimming efficiency and the control precision of the bionic robotic fish, the invention provides a swimming control method based on data driving. The method comprises the following steps: firstly, synchronously acquiring swimming videos and environmental parameters of real fishes through a multi-angle high-definition camera system and an underwater sensor, and constructing a time-space aligned multi-modal data set; then, based on an improved DeepLabCut algorithm and a graph convolutional network, key points of a fish body are extracted, and a joint angle sequence is reconstructed; a driving mechanism of the bionic robotic fish is established by combining a three-joint bionic fish motion model and a propulsion curve equation. The linear propulsion effects under different fish joint angle input are compared and analyzed through the simulation platform, the propulsion efficiency and stability are evaluated, and the key influence of joint parameters on the overall motion performance is revealed. Experimental results show that the method can effectively reproduce movement styles of various fishes, and dynamic optimization of a control strategy is realized through self-supervised learning. The control method gets rid of a traditional modeling mode based on a fish body wave function, provides a new normal form for driving the control system by using real visual data, and has good real-time performance, robustness and expansibility.
Owner:SHANDONG JIANZHU UNIV

Amphibious tide tank

The utility model discloses a land and water tide tank which comprises a main tank, a bottom tank and a partition plate, the partition plate divides the main tank into a land area and a water area, the land and water tide tank further comprises an overflow device and a water drainage area, and water in the water area overflows to the water drainage area through the overflow device; the first sewer pipe and the second sewer pipe are arranged in the sewer area, a water inlet of the first sewer pipe is higher than a water inlet of the second sewer pipe, the water inlet of the second sewer pipe is not higher than the overflow height of the overflow device, and an electric ball valve is arranged on the second sewer pipe; the water pump is arranged in the bottom cylinder. The water area of the land and water tide tank has a high water level when located at a low tide level, and meanwhile, the land area is provided with a deep land layer with good air permeability, so that the requirements of intertidal zone organisms on the land layer and the requirements of aquatic organisms on water quantity can be met. In addition, the deep land layer can be used for digging deep holes for cave organisms in the intertidal zone, survival of the cave organisms is facilitated, and the ornamental value of the land and water tidal tank is improved.
Owner:马晓途

A timing device for feeding fish in aquaculture

The application provides a kind of aquaculture timed feed device, relating to feeding device technical field, including: basic component;The basic component includes mounting plate and buoyancy piece, lifting piece is slidably installed on support frame, the compression ratio of spring between lifting piece and support plate is changed by adjusting lifting piece, and then the trigger value of the weight of support plate can be adjusted, so that the interval of feeding time can be adjusted in time according to the growth of aquatic organisms, by setting plug-in cylinder and rotating disc on storage tank, rotating the rotating disc, the more feed can flow out from the storage tank, and the use of lifting piece can adjust the feeding amount of each feed according to the growth of aquatic organisms, solve the problem that the practicality of the timed feed device for aquaculture is poor, it is inconvenient to adjust the interval and feeding amount of each feeding according to the growth of aquatic organisms, and the problem of not feeding in time or feeding less easily occurs.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

Laser equipment applied to growth regulation and control of aquatic organisms

The invention provides laser equipment applied to growth regulation and control of aquatic organisms. The laser equipment comprises a shell assembly, an optical assembly and a laser assembly, the shell assembly comprises a hollow cylindrical shell and blind flange plates installed on the two end faces of the shell. The optical assembly is arranged in the shell assembly and is in a hollow cylinder shape defined by a plurality of bottom plates, each bottom plate is provided with a plurality of lens supports, and the lens supports are provided with uniform light scattering lenses. The laser assembly is arranged in the optical assembly and comprises a heat sink and a plurality of laser emitting units, the heat sink comprises a base column arranged at the axis of the laser equipment and a plurality of base plates surrounding the base column, and the laser emitting units are arranged on the surfaces of the base plates. According to the laser equipment, the defects of existing illumination equipment in aquatic organism culture are overcome, and a brand new solution is provided for efficient culture and fine management of aquatic organisms.
Owner:ZHEJIANG CHANGXIN OPTOELECTRONIC TECH CO LTD

Transgenic chlamydomonas for exocytosis of antibacterial peptide as well as construction method and application of transgenic chlamydomonas

The invention belongs to the technical field of microorganisms, and particularly relates to transgenic chlamydomonas capable of secreting antibacterial peptide outside cells as well as a construction method and application of the transgenic chlamydomonas. Specifically, the invention provides transgenic chlamydomonas capable of secreting antibacterial peptide outside cells. Tests prove that not only can the water quality be improved and the immunity of fishes be improved, but also the step of purifying the antibacterial peptide protein can be effectively omitted. The zebra fish experiment is carried out, and it is proved that the survival rate of the zebra fish can be increased. Meanwhile, compared with an escherichia coli and yeast expression system, the chlamydomonas reinhardtii can also be used as bait of aquatic organisms such as fishes and shrimps, can also be cultured in a closed culture pond, and has important application potential in the aquaculture industry.
Owner:SHANDONG NORMAL UNIV

Preparation method of aquatic organism bottom-changing particles

The invention provides a preparation method of aquatic organism bottom modification particles, which comprises the following steps: adding bacillus subtilis liquid, an oxygen producer and an adhesive into a base material, stirring and granulating to obtain oxygen release core particles; stirring the oxygen release core particles in a roller coating machine, and intermittently spraying a chelating agent in the stirring process to obtain transition particles; and spraying the heavy metal adsorption sol on the transition particles, spraying the bonding solution after cross-linking and curing, then roll-coating the counterweight particles, and drying to obtain the aquatic organism bottom-changing particles. Reducing harmful gas and nitrogen and oxygen indexes are reduced, heavy metals and fine suspended solids are captured synchronously, and the oxidation-reduction buffer capacity of the bottom mud and the stability of a water body are recovered.
Owner:JIANGMEN ALPHACARE BIOTECHNOLOGY CO LTD +1

Hydrodynamic model-based spawning migration type fish full life history stage suitable habitat inversion method

The invention relates to the field of fish habitat evaluation, in particular to a spawning migration type fish full life history stage suitable habitat inversion method based on a hydrodynamic model, and the method mainly comprises the steps: (1) collecting spawning migration type fish data, hydrological data and topographic data; (2) determining life history stages of the fishes and the actual number of the fishes; (3) establishing one-dimensional hydrodynamic models of different life history stages; (3) grouping the water depth and the flow velocity of each life history stage, and calculating the number frequency of fishes in each interval; (4) constructing a habitat suitability curve of water depth and flow velocity; and (5) evaluating a suitable habitat. According to the method, the suitable habitat of the spawning migration type fish in the whole life history stage can be efficiently and accurately evaluated, and protection strategy formulation and measure implementation of aquatic organisms are facilitated.
Owner:BEIJING NORMAL UNIVERSITY

Arbor, shrub and grass-land and aquatic synergetic multilayer habitat transformation and restoration device and method

The invention discloses an arbor, shrub and grass-land and aquatic coordinated multilayer habitat transformation and restoration device and method. The device comprises a mobile vehicle body, a land restoration unit arranged on the mobile vehicle body and an aquatic organism putting unit connected with the mobile vehicle body; wherein the land remediation unit comprises a planting mechanism arranged on the mobile vehicle body; the planting mechanism comprises a lifting device connected with a bearing frame, a drill rod is arranged on the bearing frame, a water suction opening is formed in the lower end of the drill rod, a negative pressure pipe is arranged in the drill rod, and one end of the negative pressure pipe is communicated with a negative pressure drainage part; the output end of the first rotating device is in transmission connection with the negative pressure drainage part and further in transmission connection with the drill rod. Through cooperation of the land remediation unit and the aquatic organism putting unit, comprehensive remediation of an ecological system of a remediation area is achieved, when the planting pits are dug, the negative pressure drainage part pumps out accumulated water in the planting pits through the water suction openings and the negative pressure pipes, and it is prevented that the accumulated water influences follow-up seedling planting in the planting pits.
Owner:MINISTRY OF ECOLOGY & ENVIRONMENT CENT FOR SATELLITE APPL ON ECOLOGY ENVIRONMENT +2

Displacement detection mechanism for underwater pier construction

The invention discloses a displacement detection mechanism for underwater bridge pier construction, and relates to the technical field of bridge pier displacement detection, and the displacement detection mechanism comprises a bridge pier body mounted below a bridge floor, and a detection outer frame mounted above the bridge pier body; detection mechanisms are rotationally arranged at four corners in the detection outer frame, and each detection mechanism comprises a detection turntable; cleaning mechanisms are arranged on the left side and the right side of the interior of the detection outer frame, each cleaning mechanism comprises a cleaning scraper, and the bottom end of each cleaning scraper is obliquely attached to the outer wall of the pier body in a sliding mode. According to the displacement detection mechanism for underwater bridge pier construction, the detection outer frame fixed to the bridge body is arranged outside the bridge pier in a sleeving mode, the detection mechanism is driven by water level changes to conduct active detection and cleaning, the cleaning mechanism is driven by water flow to clean the outer wall of the bridge pier, and attached aquatic organisms are assisted to be cleaned while deviation of the bridge pier is not affected; and the accuracy of offset detection is improved.
Owner:THE 2ND ENG CO LTD OF CHINA RAILWAY 17 BUREAU GRP

Bacillus subtilis with algae-lysing effect, composite algae control agent and application of composite algae control agent

The invention discloses bacillus subtilis with an algae-lysing effect, a composite algae control agent and application of the composite algae control agent, and belongs to the field of microbial pesticides. Wherein the bacillus subtilis is SJR-02, the strain is preserved in the CGMCC (China General Microbiological Culture Collection Center), and the preservation number of the strain is CGMCC No.32370. The composite algae control agent is obtained by mixing bacillus subtilis SJR-02 and humate, and the humate is one or more of sodium humate, potassium humate and mineral source potassium fulvate. The bacillus subtilis and the composite algae control agent provided by the invention can be used as inhibitors for inhibiting the growth of algae in a water body, are safe to aquatic organisms and aquatic plants in the water body and do not cause deterioration of water quality, so that the bacillus subtilis and the composite algae control agent are very suitable for inhibiting the algae in the aquatic water body, have stable prevention and treatment effects and have relatively good application values.
Owner:SINOCHEM NINGBO CHEM

Multifunctional stepped fish nest bank protection structure

The invention discloses a multifunctional stepped fish nest revetment structure which comprises a shoreside surface layer, the surface of the shoreside surface layer is covered with a stepped revetment, the stepped revetment comprises a plurality of stepped platforms, and a slope is arranged between every two adjacent stepped platforms. At least two fish nest devices are arranged on the top surfaces of the plurality of step-shaped platforms, anchoring parts are arranged between the bottom structures of the fish nest devices and the shoreside surface layer, filling spaces are arranged in the two sides of each fish nest device, and a plurality of natural stones are filled in the filling spaces. According to the multifunctional stepped fish nest revetment structure, through the combination of the stepped revetment and the permeable material layer, the flood prevention performance is remarkably improved, the flow velocity of flood can be effectively reduced, the impact force of the flood can be reduced, and through the design of the fish nest device, diversified inhabitation spaces are provided for aquatic organisms.
Owner:BEIJING HUAHAO WATER CONSERVANCY & HYDROELECTRONIC PROJECT CO LTD

Method and device for identifying influence factors of stability of multi-trophic-level aquatic biocenosis

The invention provides a method and a device for identifying multi-trophic-level aquatic biocenosis stability influence factors, and relates to the technical field of aquatic ecosystem analysis. The method comprises the following steps: acquiring a water body physicochemical parameter data set and a multi-trophic-level aquatic biocenosis data set of a plurality of sampling points of a target water area; constructing a species association network system for stability calculation based on the multi-trophic-level aquatic organism community data set; calculating a stability index representing the overall stability of the community based on the network system; and finally, analyzing the contribution degree of the water physical and chemical parameter data set to the stability index by utilizing a machine learning model, and identifying the key influence factor according to the contribution degree. According to the method, the key physical and chemical factors influencing the stability of the ecological system can be systematically and accurately identified by integrating the multi-nutrition-level community structure and machine learning, and the targeting and management efficiency of the restoration of the water ecological system are improved.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

A molecular breeding method for thickening fish by passivating intramuscular spicules

This invention provides a molecular breeding method for fish with blunted and thickened intermuscular spines, belonging to the fields of gene editing and aquatic organism breeding technology. This invention utilizes CRISPR / Cas9 gene editing technology to mutate the bmp8a gene in fish, thereby obtaining fish with blunted and thickened intermuscular spines. The method of this invention is simple and easy to implement. Verification has shown that this invention can obtain a large number of stably heritable mutant zebrafish through gene knockout, and also provides an important reference for the precise design breeding of other farmed fish. It can serve as an efficient technical means to obtain new germplasm of fish with blunted and thickened intermuscular spines, possessing significant scientific research and industrial application value.
Owner:HUAZHONG AGRI UNIV +1

Aquatic organism monitoring method based on image recognition

The invention discloses an aquatic organism monitoring method based on image recognition. The method comprises the following steps: acquiring an image sequence and multi-modal data acquired at each time node in a preset time window in a monitored water area in real time; feature extraction is carried out on the image sequence and the multi-modal data to obtain a time sequence multi-modal feature set, and the time sequence multi-modal feature set is composed of multi-modal feature vectors of all time nodes in a time window; aggregating the time sequence multi-modal feature set according to the time dimension, constructing a window-level multi-modal fusion feature vector, combining a tail frame image of the image sequence, inputting the window-level multi-modal fusion feature vector into a pre-trained aquatic organism recognition model, and outputting a recognition result including a species tag; and carrying out risk monitoring and early warning by utilizing a preset time sequence data analysis mechanism based on the identification results of the continuous multiple time windows in the preset time period. Therefore, accurate identification and real-time risk early warning of aquatic organisms are realized by fusing multi-modal data and time sequence analysis.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE +1

Multi-dimensional data fusion analysis and conclusion generation method for water sample in aquaculture water area

The invention discloses an aquaculture water area water sample multi-dimensional data fusion analysis and conclusion generation method, and belongs to the technical field of aquaculture water area monitoring and analysis. According to the method, multi-dimensional associated data of water quality physicochemistry, aquatic organisms, environment association, breeding production and the like are obtained, a standardized data matrix is formed through data cleaning, standardization and missing value completion preprocessing, and decision information collaborative integration is achieved through hierarchical fusion of a feature layer and a decision layer. Water area quality comprehensive evaluation, breeding suitability judgment and management suggestions are generated based on the mapping rule, and finally a visual conclusion report is generated through analysis and the priority is marked. The method breaks through the limitation of single-dimensional analysis, solves the problem of multi-source data isomerism, improves the data utilization rate and analysis accuracy, is visual and operable in output conclusion, and provides efficient support for breeding management.
Owner:CHENGDU VOCATIONAL COLLEGE OF AGRI SCI & TECH

Air flotation foam collecting structure, air flotation separator, filter box, aquatic organism feeding system and sewage treatment system

The air floatation foam collecting structure is provided with a foam collecting container (DPQ), and comprises a secondary accommodating cavity (XQQ) and a foam outlet pipe (XG); the secondary containing cavity (XQQ) is communicated with the bubble collecting container (DPQ); the bubble outlet pipe (XG) is provided with a first opening (XG-1) and a second opening (XG-2), the first opening (XG-1) is located inside the secondary containing cavity (XQQ), and the second opening (XG-2) is located outside the secondary containing cavity (XQQ) and outside the bubble collecting container (DPQ); and under the condition that the secondary accommodating cavity (XQQ) is filled with liquid, the first opening (XG-1) is blocked by the liquid in the secondary accommodating cavity (XQQ). According to the air flotation separator, the foam collecting structure is the air flotation foam collecting structure. A filter box or an aquatic organism feeding system or a sewage treatment system is provided with the air flotation separator. The foam discharging device is more stable in foam discharging, more stable in foam yield, not prone to burst, simple in structure, easy to debug, low in cost and ingenious in design, and a new technical thought is provided.
Owner:刘伟

Mountain river aquatic organism network health evaluation method

The invention discloses a mountain river aquatic organism network health evaluation method, and relates to the technical field of ecological environment. Comprising the following steps: establishing a mountain river aquatic organism network health evaluation index system which comprises an index layer, a criterion layer and a target layer; calculating mountain river aquatic organism network index layer data; determining a comprehensive weight coefficient of data of each index layer, and calculating a health index of a criterion layer; determining the comprehensive weight coefficient of the health index of each criterion layer, and calculating the total health index of the target layer; and according to the total health index value, determining the grade category of the health state of the aquatic organism network in the mountain river. The method can objectively evaluate the health state of the aquatic organism network of the mountain river, and provides a scientific basis for ecological protection and treatment of the high mountain river.
Owner:CHINA THREE GORGES CORPORATION +1

Ecological restoration device for promoting assimilation and purification of plankton through direct-drive rotary oxygenation

The invention discloses an ecological restoration device for promoting assimilation and purification of plankton by direct-drive rotary oxygenation in the field of ecological restoration, which comprises an aeration platform, a purification unit, a floating bed for planting aquatic plants and a carrier filler for microbial adsorption, an energy storage unit, a water supply unit, a water supply unit and a water supply unit, comprising a vertical wind driven generator, a solar power generation panel and an energy storage battery, and the control unit comprises a controller and a dissolved oxygen monitoring probe used for monitoring dissolved oxygen in a water body; the energy storage battery supplies energy to the control unit and the air blower. The invention provides an ecological restoration device for promoting assimilation and purification of plankton through direct-drive rotary oxygenation, the device can be directly driven to rotate by using reaction torque of aeration, the device not only can reduce loss of energy conversion, but also can recover energy of aeration airflow, and a controller intelligently controls oxygenation and aeration and adjusts the growth microenvironment of aquatic organisms, so that the ecological restoration device is suitable for ecological restoration of aquatic organisms. The assimilation purification effect is achieved.
Owner:HOHAI UNIV

Ecological flow determination method, system, device and medium based on suitable living area of aquatic organisms

This invention discloses a method, system, equipment, and storage medium for determining ecological flow based on the suitable living area of ​​aquatic organisms. The method includes: dividing the river into high-water, normal, and low-water years; determining ecological protection targets for high-water, normal, and low-water years based on the suitable living conditions of dominant aquatic organism populations in the river channel; calculating the size of the suitable living area of ​​dominant aquatic organism populations in the river section under different water levels or wetted perimeters based on the ecological protection targets and hydraulic formulas; plotting the change curve of the suitable living area of ​​dominant aquatic organism populations in the river section under different water levels; and determining the river ecological flow in combination with the ecological protection targets for high-water, normal, and low-water years. This invention uses the suitable living area of ​​dominant aquatic organism populations in the river section as a label to deduce the river ecological flow target. Compared with previous methods, this method more fully considers the suitable living space of dominant aquatic organism populations in the river channel, and the determined ecological flow target is more suitable for the survival of aquatic organisms in the river channel.
Owner:PEARL RIVER HYDRAULIC RES INST OF PEARL RIVER WATER RESOURCES COMMISSION

Aquaponics system

[Problem] To provide an aquaponics system improved in manageability and economic efficiency. [Solution] An aquaponics system 100 is of a closed circulation type in which breeding water is circulated, the system being characterized by including: a first storage part 11 which stores the breeding water and aquatic organisms; a plurality of weir parts 2 which are formed on a side plate of the first storage part 11 and branch and overflow the breeding water; a second storage part 12 which is connected to the first storage part 11 in a horizontal direction and stores plants and the breeding water overflowing from the first storage part 11 through the first weir part 21(2); and a circulation part 13 which circulates the breeding water overflowing from the first storage part 11 through the second weir part 22(2) to the first storage part 11. The second weir part 22(2) may be formed on the side plate of the first storage part 11 or may be formed on a side plate of the second storage part 12.
Owner:ORIENTAL SHIRAISHI CORP

Water tank and aquaculture method

To provide a water tank and a culture method capable of improving a survival rate when culturing aquatic organisms having relatively strong territorial consciousness.SOLUTION: A water tank 20 for culturing a plurality of aquatic organisms in water includes a storage part 30 in which an internal space R capable of storing water is provided, a partition part 40 which partitions the internal space R into at least two or more sections, and a control part 50 which controls the partition part 40 to: The passage part 50 is configured to allow an individual organism having a predetermined size among the plurality of aquatic organisms to pass from one section to another section adjacent to each other among the plurality of sections and not to allow an individual organism larger than the individual organism having the predetermined size to pass, and the lid part 60 (switching part) is configured to switch between the passage allowing state in which the individual organism having the predetermined size is allowed to pass through the passage part 50 and the passage restricting state in which the individual organism is restricted from passing through the passage part 50.SELECTED DRAWING: Figure 3
Owner:DAIWA HOUSE INDUSTRY CO LTD

A method and system for analyzing aquatic biological resources based on big data

This invention relates to the field of aquatic organism management technology, specifically disclosing a method and system for aquatic biological resource analysis based on big data. This invention involves planning multiple monitoring points for interconnected monitoring; performing data cleaning and standardization; calculating and statistically analyzing relatively important indicators; conducting comparative analysis of ecological health based on big data technology; and interactively displaying relatively important information and ecological health information. It enables the planning of multiple monitoring points for interconnected monitoring of aquatic organisms, calculation and statistical analysis of relatively important indicators, comparative analysis of ecological health, and interactive display of relatively important information and ecological health information. This allows for high-precision and diverse sampling, effectively and accurately acquiring basic data, improving the comprehensiveness and accuracy of resource analysis, fully reflecting the ecological health characteristics of aquatic ecosystems, and providing a foundation for accurately assessing the potential for sustainable resource utilization.
Owner:江西省水生生物保护救助中心

Minimalist fish tank

ActiveCN309475980SWater organismZoology
1. The name of this design product: Minimalist fish tank. 2. Purpose of this design product: for viewing and breeding aquatic organisms. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. The bottom surface of this design product is a part that is not easy to see or cannot be seen when in use, so the top view is omitted; the submitted view has expressed the omission of the top view of this design, so the top view is omitted.
Owner:CHENGDU SENHUAZE TRADING CO LTD