1211 results about "Aquatic organisms" patented technology

The invention relates to the technical field of water conservancy and hydropower, in particular to a corridor type supersaturated gas quick release device which comprises a concrete bottom plate, a plurality of concrete enclosing walls are arranged on the top face of the concrete bottom plate, and the concrete enclosing walls are sequentially arranged at intervals from inside to outside; a clearance between every two adjacent concrete enclosing walls forms a corridor area; a plurality of water pressure and air pressure damage assemblies are arranged in the innermost circle of concrete enclosing wall, a plurality of energy dissipation bodies are filled in the innermost circle of concrete enclosing wall, and the water pressure and air pressure damage assemblies are distributed on the top face of the concrete bottom plate in an array mode; a water passing hole is formed in each circle of concrete enclosing wall; a plurality of flow limiting plates are arranged in the corridor area at intervals, and flow passing structures are arranged on the flow limiting plates. By the adoption of the structure, multi-flow-state distribution areas such as turbulent flow, backflow and rotational flow can be formed, the medium contact area of supersaturated gas is greatly increased, precipitation of the supersaturated gas is accelerated, and positive significance is achieved for protecting aquatic organisms and fish resources of downstream rivers.

The invention discloses a macrobrachium rosenbergii iridovirus disease resistance-related SNP (Single Nucleotide Polymorphism) site, a site combination and application thereof, and belongs to the field of aquatic organism breeding. According to the invention, SNP loci related to resistance of the macrobrachium rosenbergii iridovirus disease are successfully screened through whole genome association analysis, and the SNP loci are respectively located at a 9574545th base of a chromosome 10 of the macrobrachium rosenbergii and a 26491028th base of a chromosome 14 of the macrobrachium rosenbergii. Aiming at the two SNP sites, an SNP site combination related to the resistance of the macrobrachium rosenbergii iridovirus disease is further developed, and macrobrachium rosenbergii iridovirus disease resistant individuals can be screened by detecting the SNP site combination. Therefore, the SNP molecular marker provided by the invention can be used for macrobrachium rosenbergii molecular marker assisted breeding, accelerates disease-resistant macrobrachium rosenbergii variety breeding, and provides a reference basis for disease-resistant breeding work of macrobrachium rosenbergii.

The invention discloses a water conservancy and hydropower project ecological scheduling optimization method, and relates to the technical field of water conservancy and hydropower ecological scheduling, and the method comprises the steps: carrying out the fine ecological region division of a river channel, and dividing the river channel into a plurality of regions with definite ecological functions through combining a plurality of factors. By monitoring the ecological water demand of different ecological regions in the river channel in real time, the actual demand condition of each ecological region is accurately mastered, so that the ecological scheduling scheme is individually formulated according to the characteristics of different ecological regions, the scheduling accuracy is improved, the ecological model comprehensively considers multiple factors such as hydrology, water quality, ecology and meteorology, and the ecological scheduling efficiency is improved. According to the method, the change trend of the ecological water demand of different ecological areas can be predicted, a suitable living environment is provided for various aquatic organisms by accurately meeting the ecological water demand of different ecological areas, protection of rare and endangered species is facilitated, stable development of biocenosis is promoted, and the biodiversity level of a whole river ecosystem is improved.

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.

To have a high nature imitation effect of reference point micro inhabitation environment, hold water ecological space heterogeneity of a target water body at the maximum without changing a microorganism / organic feature in a natural water ecological system in the whole construction process, and realize a natural water ecological environmental status.SOLUTION: A selection and construction method of a reference point in interfered submergence type river water ecology includes steps of: dividing a basin basic space unit S1; analyzing an influence on an ecological environment stress of human activity in the basin basic space unit and extracting a water ecological feature S2; selecting a reference candidate point S3; evaluating an aquatic organism status of the reference candidate point S4; constructing a nature imitation reference point S5; and evaluating the aquatic organism status of the nature imitation reference point S6.SELECTED DRAWING: Figure 1

The invention relates to the technical field of target detection, in particular to an aquatic organism multi-target detection method and system based on YOLO. The method comprises the following steps: carrying out aquatic organism image acquisition on a target water area to obtain an aquatic organism image; performing resolution enhancement on the aquatic organism image to obtain an enhanced aquatic organism image; performing multi-branch hierarchical feature extraction on the enhanced aquatic organism image to obtain a residual enhanced biological feature image set; performing cross-scale feature fusion on the residual enhanced biological feature image set to obtain a fused aquatic organism feature image; performing historical detection data acquisition on the target water area to obtain an aquatic organism historical detection data set; and performing anchor frame generation on the fused aquatic organism feature map based on an aquatic organism historical detection data set to obtain an initial anchor frame set. The defects in aquatic organism monitoring and recognition in the prior art are effectively overcome, and the accuracy, efficiency and practicability of detection are improved.

The invention belongs to the technical field of fishery resource management, and discloses a fishery resource collaborative proliferation method based on a large water surface environment. The method comprises the steps of collecting water area feature data; the water area characteristic data comprises water quality data, substrate data, sound wave data and a water area image; aquatic organism monitoring is carried out according to the sound wave data, and aquatic organism data are obtained; combining the water quality data, the substrate data and the aquatic organism data to formulate a proliferation recovery strategy; performing fish resource evaluation according to the water area image to obtain fish school resource data; in combination with the water quality data, the substrate data, the aquatic organism data and the fish school resource data, preferentially selecting proliferation objects; based on the multiplication object, the multiplication release capacity is determined; according to the method, the accuracy and the intelligent level of fishery resource management are improved, strategies can be dynamically adjusted to cope with environmental changes, the population relationship in an ecological system is balanced, and the sustainable development capability of fishery resources is effectively improved.

The invention discloses an AI-driven unattended water environment quality monitoring system, and relates to the technical field of water environment monitoring, and the system comprises a data collection module, a cloud processing module, an edge calculation module, an intelligent analysis and early warning module, and a system management module. Through comprehensive and real-time intelligent monitoring of a water body, monitoring of water quality physical indexes is concerned, aquatic organism behavior monitoring is introduced, so that the health condition of the water body can be reflected more comprehensively, and meanwhile, through the data preprocessing and local model fine tuning functions of the edge calculation module, the water quality monitoring accuracy is improved. The intelligent analysis and early warning module can perform correlation analysis, set an early warning threshold value and generate early warning information based on the AI model after cloud side end collaborative optimization, and provides powerful decision support for water quality management.

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.

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.

The invention relates to a water ecological restoration system and a restoration method, and belongs to the technical field of water treatment. According to the water ecology restoration system, a retaining wall is arranged on the downstream of the junction of a branch and a river channel, and the river channel is divided into a restoration flow channel and a main flow channel through the retaining wall; a water inlet adjusting mechanism, a desilting cavity, a filter dam, a biochemical treatment cavity, a first overflow dam, an oxygenation cavity, a second overflow dam, a biological protection cavity and a water outlet adjusting mechanism are sequentially arranged on the remediation flow channel from upstream to downstream, a buffer pond is arranged on the river bank side of the biological protection cavity, a planting floating bed is arranged in the biological protection cavity, hygrophytes are planted on the planting floating bed, and a water outlet adjusting mechanism is arranged on the water outlet adjusting mechanism. Submerged plants are arranged at the bottom of the buffer pond. According to the device, aquatic organisms such as fishes can be sheltered, water can be purified, the water ecological restoration effect is good, facilities can be prevented from being destroyed by flood, and the aquatic organisms are protected during flood discharge.

The invention belongs to the technical field of molecular identification of aquatic organisms, and particularly relates to a high-sensitivity large yellow croaker germplasm identification primer combination as well as application and an identification method thereof. The primer composition is a first pair of primers LC-1, and the sequences of the first pair of primers LC-1 are as follows: an upstream primer LC-1F: 5 '-AATTCCACACGACTAATC-3'; the downstream primer LC-1R is 5 '-CTCAGCCGCCGTGCAATC-3', and the downstream primer LC-1R is 5 '- The sequences of the second pair of primers LC-2 are as follows: an upstream primer LC-2F: 5 '-AGGCATTAGGCACAAGG-3', a downstream primer LC-2F: 5 '-AGGCATTAGGCACAAGG-3', a downstream And the downstream primer LC-2R is 5 '-AAACCCCTAGCCTCGAAG-3'. The invention also discloses a kit for detecting the disease resistance of the traditional Chinese medicine. The two large yellow croaker germplasm identification primers provided by the invention have relatively high sensitivity and specificity, can be stably amplified in a DNA sample with extremely low concentration, and overcome the limitation that accurate identification cannot be realized due to low DNA concentration in a traditional method.

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.

The invention relates to the technical field of microorganisms, in particular to a seawater efficient heterotrophic nitrification and aerobic denitrification strain and application thereof. The strain is Marinobacter sp. TF26-2, and is preserved in the China General Microbiological Culture Collection Center (CGMCC) on May 27, 2024, the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.30778. The invention further discloses a preparation method of the strain. The marinobacter TF26-2 provided by the invention has the functions of heterotrophic nitrification and aerobic denitrification at the same time, and can be used in the field of sewage treatment. The strain shows a good denitrification effect under different environmental conditions, is safe to aquatic organisms, and is especially suitable for being used as probiotics or an environmental modifier in the fields of mariculture and the like.

The invention provides a water ecological pressure detection method and device based on machine learning, and the method comprises the steps: obtaining an aquatic organism monitoring data set, and carrying out the processing of the aquatic organism monitoring data set, and obtaining a sampling point-species matrix; obtaining functional traits and pedigree information of aquatic organisms involved in the sample point-species matrix, generating a species information matrix corresponding to the sample point-species matrix, and generating a sample point-environment factor matrix corresponding to the sample point-species matrix; diversity indexes corresponding to the research area are determined, the diversity indexes comprise a classification diversity index, a function diversity index and a pedigree diversity index, and a sample point-diversity index matrix corresponding to the sample point-species matrix is generated; constructing a structural equation model, and determining the action path of each first to-be-analyzed influence factor on the water ecology according to the sequence; and determining the water ecology pressure of the research area based on the action path of the influence of each first to-be-analyzed influence factor on the water ecology.

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.

The utility model provides an ecological restoration device for a river channel, which belongs to the technical field of ecological restoration and comprises a support. The first connecting seat is fixedly connected to the lower end of the bracket; the second connecting seat is fixedly connected to the upper end of the bracket; the first rotating rod is rotationally connected to the first connecting seat, and a first chain wheel is fixedly connected to the first rotating rod; the second rotating rod is rotationally connected to the second connecting base, the scraping plate driven by the motor is used for desilting work, the device can efficiently remove sludge and floating objects in a river channel, through the design of the scraping plate and the operation mode of the device, it can be ensured that a riverbed is thoroughly cleaned, meanwhile, interference to the water body and riverbed ecology is reduced, and the water quality is improved. Therefore, the river channel can be kept unblocked, the water quality can be improved, and a healthy living environment can be provided for aquatic organisms.

The invention belongs to the technical field of biological environment monitoring, and particularly relates to a resource investigation monitoring device for aquatic organism environment DNA passive collection, the resource investigation monitoring device comprises a telescopic rod piece and a collection frame, the handheld end of the telescopic rod piece is provided with a timer body, and the collection frame is an independent split module. The resource investigation monitoring device for passively collecting the aquatic organism environment DNA has the effects of improving the biological environment DNA collecting efficiency and being suitable for more environments, in the using process, an operator does not need to make contact with the water environment in most cases, it is avoided that DNA on the operator is mistakenly collected, the device fixing point is located on the shore land, and the device fixing point is not prone to damage. Therefore, the river sediment environment does not need to be selected, and the device is suitable for various stable or unstable water sediment environments such as mud, gravel blocks and fine sand and can be placed in both gentle water areas and torrent water areas.

The invention discloses an aquatic organism integrity index modeling method based on a random forest, and relates to the field of water ecology. The method comprises the following steps: collecting candidate indexes; determining a reference point selection standard and selecting a reference point; calculating and screening candidate biological index values; obtaining a PCA candidate index; a P-IBI parameter is calculated; and carrying out random forest modeling, carrying out repeated re-modeling according to an output result, and reserving an index combination with the maximum model interpretation rate to obtain a plurality of indexes which generate comprehensive influence on a single index or a biological integrity index. According to the method, the complex influence of other elements on the aquatic organism integrity index is comprehensively considered, the index which has greater influence on the aquatic organism integrity index can be better disclosed, and a scientific tool is provided for identification of aquatic organism protection.

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.

An aquaculture system can include an aquafarm with one or more aquatic pods of aquatic organisms and a remote device to manage the aquafarm. An aquatic pod may be associated with an aquatic structure with a buoyancy system and a control device to automatically perform daily farming functions. The aquatic structure may include an enclosure to hold the aquatic organisms. The control device may be configured to use a smart buoyancy assistant to control the buoyancy system and to determine the farming task to perform in response to environmental stimuli. The remote device can receive data representing crop metrics, harvest results, and sensor data. The remote device can aggregate data from multiple aquatic pods and correlate the data to generate aquaculture models to improve the harvest results. The remote device can generate overview and maintenance reports for the aquafarm.

The invention belongs to the technical field of aquatic organism breeding, and discloses a method for creating a novel grass carp germplasm capable of resisting infection of grass carp hemorrhagic disease virus (grass carp reovirus type II GCRV-II) based on a smd3 gene editing technology and application of the novel grass carp germplasm. Gene editing is carried out on wild grass carp by taking the smd3 gene as a target gene, an F0-generation chimera with the smd3 gene knocked out is selected to carry out a GCRV-II challenge experiment, and the experiment result shows that the smd3 knocked-out chimera of the grass carp has high GCRV-II virus infection resistance, so that a method is provided for genetic improvement of virus infection resistance of economic fishes such as the grass carp and the like. The method has important industrial application value.

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.

The invention discloses an integrated floating platform based on water ecological environment monitoring and resource protection, the integrated floating platform comprises a floating plate, the bottom of the floating plate is provided with an underwater image acquisition device used for acquiring aquatic organism species data, a water quality acquisition device used for acquiring water quality data and an electric appliance device, and the top of the floating plate is provided with a planting groove; aquatic plants are planted in the planting grooves, and water seepage holes are formed in the bottoms of the planting grooves. Ecological monitoring is conducted in water areas such as lakes and wetlands, water quality and aquatic organism species data are collected in real time and transmitted to an external monitoring terminal, it is ensured that the ecological environment of the water areas is effectively protected, water is pumped into the shell through the pump body, and when the water is detected through the water quality detection device, the water is discharged through the hollow pipe and the liquid outlet nozzle; the oxygen content of the water is increased, meanwhile, the water is purified through the aquatic plants and then drained into the water area again through the water seepage holes, purification and restoration of the water body in the water area are completed, and better resource protection is achieved.

The invention discloses a system and a method for analyzing neurotoxicity of cyanobacteria toxin to aquatic organisms, the system comprises a bottom plate, and also comprises an electric guide rail mechanism arranged on the bottom plate, and a bearing container mechanism arranged on a slide block of the electric guide rail mechanism; the first liquid feeding mechanism and the second liquid feeding mechanism are both arranged on the bottom plate; and the full-automatic fluorescent microscope is arranged on the bottom plate and located on the downstream of the second liquid feeding mechanism, an image acquisition module is arranged on an eyepiece of the full-automatic fluorescent microscope, and the image acquisition module is in communication connection with an analysis module. CYN solutions with different concentrations are injected into the placement groove through the first liquid feeding mechanism, a fixed solution is injected into the placement groove through the second liquid feeding mechanism, then the result of the influence of the CYN solutions with different concentrations on aquatic organisms is obtained through analysis of the full-automatic phosphor microscope, the image acquisition module and the analysis module, use is convenient, and the detection accuracy is high. And the labor intensity of workers is reduced.

The invention discloses a river water environment comprehensive treatment system which comprises river banks, a mounting platform is connected between the river banks on the two sides, a wooden house is built on the mounting platform, and a treatment system is arranged below the wooden house. The treatment system comprises a vortex fan, an air suction pipe, an air outlet pipe, a flow dividing pipe, a supporting rod, an aeration pipe, a balancing weight, a fixing rod, a filter screen, an ecological floating island and a settling pond, and solves the problems that urban river channels are polluted to different degrees, some river channels are muddy to different degrees, some aquatic organisms are difficult to survive due to less clear water and more reclaimed water and eutrophication, and the like. The problems that the river channel pollution is increasingly serious, some river channels can emit peculiar smell in hot weather, and the surrounding living environment and the city appearance of a city are seriously influenced are solved.

The invention discloses a seasonal river ecological water volume determination method for a key species life cycle. The method comprises the following steps: determining a seasonal river ecological water demand control section and an associated section thereof; identifying key species and species parameters of a seasonal river control section and a downstream section thereof; determining a comprehensive ecological water level requirement curve for controlling the life cycles of the section aquatic organisms and terrestrial animals; determining an ecological water volume threshold requirement for controlling the life cycle of the section aquatic organisms and terrestrial animals; determining an ecological water volume threshold requirement of terrestrial plants between a seasonal river control section and an upstream section; determining a discharged ecological water volume threshold value requirement of the seasonal river control section; and determining the ecological water volume requirement of the seasonal river control section. According to the method, basic support and scientific basis can be provided for ecological water demand target setting, ecological water demand configuration and management and the like of the seasonal river in China, and health and ecological environment recovery of the seasonal river are fundamentally promoted.

The invention discloses a bionic flexible flapping wing underwater robot which comprises a shell, two side wing flapping mechanisms located on the two sides of the shell, an empennage flapping mechanism located at the tail of the shell, a camera cabin located at the front end of the shell, a steering engine control cabin located at the front end of the interior of the shell and a gravity adjusting cabin located at the rear end of the interior of the shell. The side wing flapping mechanism comprises a side wing steering engine, a flapping assembly and a flexible side wing fin surface, the flapping assembly comprises a flapping transmission assembly, a fixing rod and a plurality of fin rays, one end of each fin ray is connected with the flapping transmission assembly, the middle of each fin ray is penetrated by the fixing rod, the other end of each fin ray is connected with the side wing fin surface, and the side wing steering engine is connected with and drives the flapping transmission assembly to drive one end of each fin ray to swing; all the fin rays are not in the same plane, and when the fin rays swing, the fin surfaces of the side wings swing in a wave shape. The device simulates the structural form, the motion characteristic and the driving mechanism of the natural aquatic organism manta ray, and has the characteristics of low noise, high maneuverability, small size, portability and high concealment.

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.

To provide an aquatic organism / plant cultivation system capable of significantly reducing burdens of workers in maintenance and management work.SOLUTION: A cultivation system 1 includes: a rearing water tank 4 for housing and growing marine organisms 2 together with seawater W; a cultivation water tank 5 for housing and growing marine plants 3 together with seawater W; circulation paths 6A and 6B for circulating the seawater W between the rearing water tank 4 and the cultivation water tank 5; management means for managing the marine organisms 2, the marine plants 3 and the seawater W; and a server 21 for automatically controlling the management means.SELECTED DRAWING: Figure 1