426 results about "Aquatic organisms" patented technology

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 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

The application discloses a kind of aquatic habitat positioning prediction methods, it is related to aquatic habitat distribution research field.The present application establishes the aquatic habitat positioning framework of suitable area + suitable river reach by integrating the target biological distribution point and the environmental condition of river reach in target area.The fine prediction of aquatic habitat is realized in the multi-scale of area plus river reach, when facing the need of target biological habitat prediction in wide range area, fine positioning can be realized, so as to help fine management of aquatic organism, which has important guiding significance and practical significance for maintaining ecosystem stability.The common characteristics of suitable river reach are obtained by comparing after predicting suitable river reach, so as to identify and judge the potential habitat of target organism, the identification of potential habitat can expand the positioning range of target biological habitat, which can effectively avoid habitat omission and protection in time.

The application discloses a primer probe combination for Salmo platycephalus based on environmental DNA and application thereof, and belongs to the technical field of molecular biology and endangered aquatic organism monitoring. The application provides the primer probe combination for Salmo platycephalus, which comprises upstream and downstream primers and a probe P, and the amplified fragment has a length of 179 bp; the primer probe combination for Salmo platycephalus can specifically detect Salmo platycephalus in environmental DNA, can efficiently monitor and protect Salmo platycephalus, and can effectively avoid the interference of related species including Salmo, Oncorhynchus and Leucichthys bampsii; the provided primer probe combination for Salmo platycephalus can be applied to the monitoring of Salmo platycephalus in different water bodies to be detected such as streams, rivers and reservoirs, is easy to popularize, and has important significance for the protection and monitoring of Salmo platycephalus.

A circulation-type treatment system (1) is provided with an elimination unit (5), an electrolysis unit (13), and a residual chlorine elimination unit. The elimination unit (5) eliminates solids contained in the breeding water in a first region in which the breeding water sent from the breeding tank (3) is retained or flows. The electrolysis unit (13) generates a chlorine oxide compound by electrolyzing the breeding water in a second region in which the breeding water that has passed through the first region is retained or flows, and causes the generated chlorine oxide compound to react with ammonia or ammonium ions in the breeding water. The residual chlorine elimination unit eliminates at least residual chlorine in a third region in which the rearing water that has passed through the second region is retained or flows.

1. Name of this design product: Fish tank light hanging bracket. 2. Purpose of this design: To support aquarium lights and provide a suitable lighting environment for aquatic organisms in the aquarium. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

To provide an aquarium suitable for viewing aquatic organisms through the fluctuation of the water surface while stabilizing the growing environment near the water surface. [Solution] The present invention is an ornamental aquarium for viewing aquatic organisms, comprising an aquarium container for storing breeding water for the aquatic organisms, a waterway unit that is shallower than the aquarium container and forms a waterway that exposes the water surface, and an opening that partially opens the upper part of the peripheral wall of the aquarium container at a height corresponding to the upper layer of the breeding water and to which the waterway unit is connected. In this ornamental aquarium, the upper layer of the breeding water is expanded by the waterway unit connected to the opening, thereby adding an environment in which the aquatic organisms live at shallow depths to the aquarium container.

This invention provides a tank facility that allows for the accurate observation of aquatic organisms within a tank using observation equipment. [Solution] A tank facility equipped with an observation device 11 for observing aquatic organisms 2 in a tank, wherein the observation device 11 comprises a cylindrical member 15, a photographing device 17 for photographing the aquatic organisms 2 in the tank, and a background member 22 that constitutes the background of the photographed aquatic organisms 2, the cylindrical member 15 having its upper end closed and protruding above the water surface 28 in the tank, and its lower end open and immersed below the water surface 28 in the tank, the photographing device 17 includes the background member 22 in its photographing range 30, the background member 22 is positioned below the lower end of the cylindrical member 15, and a movable space S is formed between the lower end of the cylindrical member 15 and the background member 22, through which the aquatic organisms 2 can pass.

The underwater robot comprises a shell assembly, a supporting assembly and a sealed cabin, and a containing space is formed in the shell assembly; the supporting assembly is supported in the accommodating space; the sealed cabin body is fixedly connected into the supporting assembly, and a plurality of connecting interfaces are formed in one end of the sealed cabin body; wherein the shell assembly comprises a first shell and a second shell, the first shell is provided with a fish fin part, the second shell is provided with a fish tail part, the containing space is formed in the first shell, the second shell is detachably connected to one end of the first shell, and the second shell and the multiple connecting interfaces are oppositely arranged. By arranging the fin part on the first shell and arranging the fish tail part on the second shell, the shell assembly formed after the first shell and the second shell are connected has a bionic design, and the bionic design has the effect of reducing scare on aquatic organisms and can also provide a stabilizing effect at the same time. In addition, the shell assembly is in a streamline design, so that the motion performance of the underwater robot is improved.

The present application relates to the technical field of aquaculture, and more particularly to a liquid driving clamping device based on the principle of sudden elastic jump, comprising a support, a clamping assembly is arranged on the support, and a hydraulic pipe group is arranged on the clamping assembly; the clamping assembly comprises a first clamping piece and a second clamping piece which are symmetrically arranged and can be buckled, and one side of the first clamping piece and the second clamping piece is rotatably connected with the support. The present application is made of flexible rubber, and will not cause damage to small aquatic organisms in the grabbing process. The convex curved surface structure based on the principle of sudden elastic jump is adopted, the size of the force is self-adaptive with the size of the grabbed object when closed, the driving force is liquid driving, the noise is low, and there is no risk of electric leakage in underwater operation.

The invention belongs to the technical field of toxicity tests, and discloses a method for evaluating zebra fish developmental toxicity by single or combined use of fluopyram and tebuconazole. The method is simple, efficient and accurate, through a combined toxicity test and a single pesticide test, reference data is conveniently increased according to the influence of different environments and different medicaments on animals, the influence of pesticides on zebra fish development is calculated according to the death rate and the median lethal concentration of zebra fish embryos, the data is reasonably analyzed and processed, and the method is suitable for popularization and application. The problems that related evaluation standards formulated by depending on a single effect are not accurate and cannot truly reflect the change of the real environment quality are avoided, the environmental risk of effectively evaluating the pollutants in the environmental water body is improved, and an environmental threshold value safer for aquatic organisms is formulated conveniently.

The present invention relates to the technical field of fish survey in tidal creeks. Disclosed are a survey and sampling floating platform and quantitative evaluation method for fish in a tidal creek during flood and ebb tides. The floating platform comprises a floating platform frame and survey and sampling nets, wherein each survey and sampling net comprises a net mouth welded by a galvanized pipe. In the present invention, by means of the provided floating platform, corresponding sampling fishing nets are respectively lowered for collection during flood and ebb tides, and flow meter data is read to calculate tidal water volume flow, such that aquatic organisms and nutrients in the tidal creek during the flood and ebb tides can be comprehensively collected, the deficiency of related data collection during flood tides in existing research is made up for, accurate monitoring and quantitative evaluation of tidal creek organisms and substance transfer are achieved, and the types, quantities and distributions of tidal creek organisms during the flood and ebb tides, and changes in tidal water flow can be comprehensively understood, thereby deeply understanding the situations of tidal creek organisms and substance transfer, and providing important data support and decision-making basis for related research and ecological protection.

This invention provides a high-efficiency, water-saving, tiered aquaculture tank, belonging to the field of aquaculture technology. It addresses the problem in existing tiered aquaculture tank structures where the height and position of the upper tank limit the ability of workers to quickly and flexibly access aquatic organisms in all corners of the upper tank. The invention includes a support frame, a movable tank, supporting rails, an easy-access component, and a partition component. The movable tank is located at the top of the support frame. Two supporting rails are fixedly connected to the left and right sides of the support frame. The easy-access component is located at the top of the support frame. The partition component is located inside both the fixed and movable tanks. This invention solves the problem of inconvenient operation of the upper movable tank through the easy-access component, facilitating the retrieval of aquatic organisms and the feeding of materials. Simultaneously, the partition component allows for flexible separation of the internal space of the fixed and movable tanks, meeting diverse aquaculture needs.

The invention discloses a mountainous river aquatic organism network degeneration pathogenesis diagnosis method, and relates to the technical field of ecological environment. Comprising the following steps: determining a mountainous river aquatic organism network health external influence factor, and establishing a mountainous river aquatic organism network pathogenesis diagnosis index system; according to the mountainous river aquatic organism network pathogenesis diagnosis index system, constructing a mountainous river aquatic organism network health pathogenesis diagnosis model; according to the mountainous river aquatic organism network health pathogenesis diagnosis model, calculating the influence intensity of each mountainous river aquatic organism network health external influence factor; and according to the influence intensity calculation result of the external influence factor of the health of the mountain river aquatic organism network, diagnosing and analyzing the pathogenesis of the mountain river aquatic organism network. According to the invention, the main pathogenesis of the aquatic organism network of the mountain river can be accurately identified, and the pertinence and effectiveness of ecological protection and treatment of the mountain river are improved.

The invention provides an SNP (Single Nucleotide Polymorphism) molecular marker related to nocardia seriolea seriolea resistance traits of lateolabrax japonicus, a method for screening nocardia seriolea seriolea resistance lateolabrax japonicus and application, and particularly belongs to the technical field of aquatic organisms. The invention provides an SNP (Single Nucleotide Polymorphism) molecular marker related to nocardia seriola seriola resistance traits of lateolabrax japonicus, the nucleotide sequence of the SNP molecular marker is as shown in SEQ ID NO.1, the 760th basic group of the sequence as shown in SEQ ID NO.1 is an SNP site, and the basic group is A or G; when the SNP molecular marker is AA genotype, the lateolabrax japonicus is judged as the lateolabrax japonicus resistant to nocardia seriolae. The SNP molecular marker is an effective SNP marker for early molecular screening of nocardia seriolae seriolae infection resistance traits of lateolabrax japonicus, disease resistance breeding of lateolabrax japonicus can be achieved, and nocardia seriolae seriolae resistance lateolabrax japonicus is obtained.

The invention relates to the technical field of aquatic organism environment detection, and discloses an eDNA enrichment device capable of being flexibly deployed, the eDNA enrichment device comprises a throwing rod, a traction rope and a plurality of enrichment modules, the traction rope is connected with the throwing rod, and the plurality of enrichment modules are arranged on the traction rope at intervals; the enrichment module comprises a supporting mesh bag, a filter membrane, a pre-filtering net, a buoyancy block and a balancing weight, and the filter membrane is arranged in the supporting mesh bag; the pre-filtering net is attached to the supporting net bag; the buoyancy block and the balancing weight are arranged on the supporting mesh bag; the buoyancy block and the balancing weight are oppositely arranged on the two sides of the filter membrane. A plurality of enrichment modules can be accurately put into a target water area without depending on a carrier, and each enrichment module can be suspended and kept stable at a preset water depth, has good structure supporting performance, can effectively support a filter membrane to be unfolded and keep the filter membrane in a flat state, realizes synchronous sampling of a plurality of water layers, and is high in practicability. The device is suitable for a strong water flow or wave environment, the enrichment efficiency of eDNA is improved, the working efficiency is improved, and the labor cost is reduced.

The invention discloses a pelteobagrus fulvidraco brain tissue cell line PYCB sensitive to viruses and application thereof, and belongs to the technical field of aquatic organism cell culture and disease prevention and control. The preservation number of the Pelteobagrus fulvidraco brain tissue cell line PYCB is CCTCC (China Center For Type Culture Collection) NO: C2025148. The Pelteobagrus fulvidraco brain tissue cell line PYCB is successfully constructed by taking the Pelteobagrus fulvidraco brain tissue as an object, and the cell line can be continuously and stably subcultured, is high in proliferation speed and simple in culture method, is sensitive to Pelteobagrus fulvidraco small RNA viruses and Pelteobagrus fulvidraco stem casing viruses, and can be used for isolated culture of viruses. The invention provides an important research platform and an experimental material for separating and identifying fish viruses and virus vaccines and developing medicines.

The invention discloses a biological communication channel and a design method thereof, belongs to the technical field of mud flat treatment engineering, and aims to solve the problems of poor water permeability of a siltation promotion dam and insufficient water continuity and biological circulation among reservoir areas in the existing mud flat treatment engineering. The invention provides a biological communication channel composed of a height-difference-free asymmetrically-perforated cavity type prefabricated part and a fish reef cluster, and the prefabricated part is provided with a longitudinal / transverse partition plate, a rest pool and a bottom plate open hole to form a bidirectional full-tide water passing channel; the matched design method comprises the steps of data collection and typical tide level determination, flow field numerical simulation, prefabricated part scale optimization (based on the proper flow velocity of fishes), structural stability checking calculation, fish reef group setting and the like. The channel can effectively improve hydraulic communication and biological circulation among reservoir areas, reduce the blocking influence of engineering on aquatic organisms, and create a habitat for benthic organisms.