62 results about "Zooplankton" patented technology

A marine zooplankter identification method based on in-situ images and deep learning is used for processing a multi-stage series deep learning architecture constructed for all in-situ images, and comprises the following steps: quickly positioning and framing zooplankter individuals under a complex background based on a YOLOv8 skeleton construction model; performing pixel-level fine segmentation on individuals in the in-situ image by using a U-Net model, and extracting an accurate contour to obtain a high-quality individual image; and finally, inputting the image into a PlanktonNet network innovatively designed based on a ViT architecture, and through adaptive small-size slice embedding and introduction of a convolution word embedding layer, improving small-scale target feature extraction capability, and realizing high-precision and fine-grained classification of genera and species. The method has the advantages that target detection, semantic segmentation and recognition tasks are organically fused, the problems of low recognition efficiency and low automation degree in the prior art are effectively solved, and marine zooplankton can be quickly and accurately recognized from in-situ images on a large scale.

The invention provides a bay water health status evaluation method, device and product, and the method comprises the following steps: S1, determining a sampling site and collecting a zooplankton eDNA sample to obtain amplicon sequence variant information; s2, annotating amplicon sequence variant information to obtain species composition information and abundance data; s3, obtaining a first evaluation candidate index according to the species composition information and the abundance data; constructing a co-occurrence network and determining a second evaluation candidate index according to the network topology parameters; combining the first evaluation candidate index with the second evaluation candidate index to obtain a third evaluation candidate index; s4, selecting a reference point and a damaged point, and obtaining key evaluation candidate indexes through an artificial neural network model; and S5, constructing a zooplankton integrity index based on the key evaluation candidate indexes, and evaluating the water quality health grade according to the zooplankton integrity index. By utilizing the technical scheme, the precision of evaluating the ecological health condition of the severely polluted bay water body can be improved, and meanwhile, the complexity of an evaluation index system is reduced.

The present application relates to the field of sewage purification, and discloses a household micro sewage treatment system and a sewage treatment method, which comprises the following steps: building a septic tank; preparing a household micro sewage treatment system, an aeration system and suspended filler for microbial attachment; pumping clarified liquid by a lifting pump, and the clarified liquid enters a contact oxidation zone, and microorganisms degrade COD and BOD in the clarified liquid; the clarified liquid at the contact oxidation zone flows into an electrocoagulation zone, and electrocatalytic flocculation is performed; then, pollutants and phosphorus in the clarified liquid are filtered by a filtering zone, and the clarified liquid forms purified water; the purified water is taken from a water outlet zone, and is used for crop irrigation; or, a landscape zone for breeding aquatic plants or plankton is arranged at the water outlet zone. In the present application, the contact oxidation zone, the electrocoagulation zone, the filtering zone and the water outlet zone are sequentially and continuously arranged from bottom to top, and the arrangement structure of the whole household micro sewage treatment system is compact, and it is more convenient to arrange the system in a separate house environment in rural areas.

The invention provides a novel mudflat efficient photovoltaic breeding system. The novel mudflat efficient photovoltaic breeding system comprises an arc-shaped ditch bottom, a side ditch, a pool wall, floating objects, a duckweed growth layer, a photovoltaic panel frame, a photovoltaic panel, a pipeline, a control box, a photovoltaic panel support, a first-layer annular pillar lamp, a second-layer annular pillar lamp, a third-layer annular pillar lamp, a fourth-layer annular pillar lamp, a bottom table top and a sponge sleeve. The floating objects comprise phytoplankton and zooplankton, a storage battery, a control panel and a photoelectric detection device are arranged in the control box, the arc-shaped ditch bottom, the side ditch, the pond bottom, the pond wall and the bottom table top form a pond body mechanism facilitating fish gathering and fish lifting, and the photovoltaic panel support, the photovoltaic panel frame, the photovoltaic panel, the control box, the storage battery in the box and the control panel form a photovoltaic mechanism of the fishpond. The first-layer annular pillar lamp, the second-layer annular pillar lamp, the third-layer annular pillar lamp and the fourth-layer annular pillar lamp form a light supplementing mechanism beneficial to photosynthesis, namely growth of phytoplankton, growth of the phytoplankton is beneficial to growth of zooplankton, and growth of fishes is beneficial to growth of the zooplankton.

The invention discloses a method for combining straw returning to field, pond fish culture and rice, fish and soft-shelled turtle / shrimp comprehensive planting and breeding, and belongs to the technical field of rice, soft-shelled turtle, fish and shrimp comprehensive planting and breeding. After rice in the rice field is harvested, straw is smashed and returned to the field, a hidden survival place is provided for crayfish seedlings, rotten straw and derived zooplankter provide bait for crayfish and fish, and the straw decomposition rate is increased by eating; after water in the rice field module becomes serious along with straw rotting, the water is discharged into the culture pond through tail water treatment engineering treatment, and the water fertility of the pond is increased; meanwhile, after eutrophication of the water body in the culture pond, the water body is discharged into the rice field after being treated by a tail water treatment project and flows into the culture pond again after being further purified by the rice field. According to the constructed mode, the straw is converted into the organic fertilizer through the crayfish and the fish, and the paddy field is adopted for purifying pond culture tail water. No breeding wastewater is discharged in the mode. The investment of aquatic product baits and rice field fertilizers is reduced, and the income and quality of rice and fishes are increased.

The present invention relates to: a feed composition for zooplankton, comprising biomass derived from Schizochytrium sp. microalgae; a method for culturing zooplankton using same; and an aquaculture method for fish or crustaceans. The biomass derived from Schizochytrium sp. microalgae of the present invention has the effect of nutritionally enriching zooplankton, and when zooplankton fed with the biomass is fed to fish or crustaceans, growth of fish or crustaceans is promoted and non-specific immunity is enhanced, and thus the biomass can be effectively used as a feed composition or a feed additive.

The present invention relates to an integrated microbial generation device, a mobile deployment vehicle, and a method, wherein the generation device includes an inlet water pretreatment module, a water quality monitoring and control module, an algae cultivation module, and a zooplankton expansion module, which are assembled in a box and connected in sequence. The algae cultivation module includes a multi-channel parallel pipeline algae cultivation component. The zooplankton expansion module includes an expansion tank, which is connected in sequence to a zooplankton capture component and a two-way pump through an external transmission pipeline. The inlet water pretreatment module, the water quality monitoring and control module, the algae cultivation module, and the zooplankton expansion module are all electrically connected to an integrated controller. The present invention has developed a set of microbial generation devices that connect in series the inlet water pretreatment, algae expansion, zooplankton expansion, and release. The device can be used for short-term closed cultivation for storage, transportation, and transfer, and can be deployed for long-term continuous expansion at a fixed point. It has good flexibility and can output algae and provide sufficient living zooplankton for aquaculture, water environment improvement, and water ecological restoration.

The invention provides a microorganism composite culture device and method, and belongs to the technical field of microorganism culture.The microorganism composite culture device comprises a frame, an algae pool, a microorganism culture pool and an algae-eating insect culture pool are sequentially arranged in the frame from inside to outside, a center cylinder is arranged in the middle of the algae pool, and a mounting partition plate is arranged in the lower end of the center cylinder; a water conveying device is arranged in the middle of the installation partition plate, the water pumping end of the water conveying device is located on the lower portion, the water drainage end of the water conveying device is located in the algae pond on the upper portion, the algae pond and the microorganism culture pond are separated through a first partition plate, a sunlight shed is arranged at the upper end of the first partition plate, and the microorganism culture pond and the algae-eating insect culture pond are separated through a second partition plate. A carrier frame is arranged in the microorganism culture pond; the algae pool, the microorganism culture pool and the algae-eating insect culture pool are distributed in the frame body, so that algae, bacterial microorganisms, corophium and algae-eating insects can be subjected to co-culture, and a compound microorganism culture system is constructed.

The invention relates to a zooplankton automatic enrichment and physiological phenotype and species identification integrated device, which comprises a zooplankton enrichment module, a physiological phenotype data acquisition module, a species data acquisition module and a data processing identification module, the physiological phenotype data acquisition module comprises an automatic sorting mechanism and a plurality of observation bins, the temporary storage bin is communicated with the observation bins through the automatic sorting mechanism, the species data acquisition module comprises a treatment liquid adding mechanism, a plurality of treatment bins, a sampling pump and a second collector, and the observation bins are communicated with the treatment bins in a one-to-one correspondence mode through pipelines provided with liquid supply pumps. The first collector and the second collector are both in signal connection with the data processing identification module. The method has the advantages that the efficiency of collecting and analyzing the basic information of the zooplankton in the water body is improved, and the pollution state and the future evolution pattern of the water body can be comprehensively predicted through the two-dimensional information of the physiological state and the variety diversity.

The invention relates to a method for generating a mask based on marine zooplankton instance segmentation, and the method comprises the following steps: 1, carrying out the pixel-level instance marking and preprocessing of an original marine zooplankton microscopic image, and obtaining sample data; 2, performing targeted fine adjustment and improvement to adapt to zooplankton scenes; and step 3, sending the sample data into the fine-tuned and improved neural network to obtain more accurate instance segmentation mask data of the marine zooplankton. Wherein the steps 2 to 3 are realized based on the convolutional neural network. According to the marine zooplankton instance segmentation mask generation method provided by the invention, more accurate instance segmentation mask data can be obtained under the condition of lacking semantic category information of zooplanktons, and end-to-end segmentation is realized.

This application relates to an ecological treatment process and structure for effluent purification, belonging to the field of effluent purification technology. It includes: S1, ecological enhancement zone treatment, where effluent undergoes preliminary purification through a composite ecological filter bed, artificial aquatic plant purification belt, three-dimensional ecological floating bed, and pollution-tolerant plant purification belt; S2, ecological buffer zone treatment, where effluent from the ecological enhancement zone is introduced into the ecological buffer zone for secondary purification by submerged plants; S3, ecological demonstration zone treatment, where the effluent treated in the ecological buffer zone is introduced into the ecological demonstration zone for tertiary purification; S4, ecological stabilization zone treatment, where an aquatic plant community is constructed in the ecological stabilization zone, and zooplankton, benthic animals, and microorganisms are introduced to optimize the community, resulting in a fourth purification of the effluent. This application eliminates the need for fish, relying on microorganism-plant synergy for direct denitrification. Animals only assist in removing impurities, resulting in no additional nitrogen load and thus ensuring the stability of the purification system.

The utility model relates to a water conservancy comprehensive information monitoring device for planktonic animals and plants, which belongs to the field of sampling devices and comprises a solar panel. A plurality of buoys are arranged on the solar panel; the floating cylinder comprises an upper cylinder, a lower cylinder and an upper cylinder, wherein a first cavity is formed in the upper cylinder; a top hole is formed in the upper surface of the upper cylinder, and a cover plate is arranged at the top hole; a second cavity is formed in the lower cylinder; water permeable holes; various types of sensors are respectively mounted on the upper surfaces of the second cavity and the upper cylinder; wherein collection assemblies are arranged in the two floating barrels, each collection assembly comprises a water drawing pipe, a water drawing pump, a water outlet pipe and a sampling barrel, and a connector A and a connector B are arranged on the side wall of each sampling barrel; and one end of the liquid outlet pipe is connected and communicated with the liquid outlet end of the stationary liquid pump, and the other end of the liquid outlet pipe is detachably connected with the connector B. The detection device can automatically collect zooplankton water samples and phytoplankton water samples, and can automatically add stationary liquid.

The application relates to the technical field of zooplankton culture, and discloses a culture method of cladoceran zooplankton and application of a blue light source, which comprises inoculating cladoceran zooplankton in a culture water body and feeding microalgae to culture the cladoceran zooplankton until the cladoceran zooplankton reaches a harvestable density; and during the culture process, the culture water body is irradiated with a blue light source in a light-dark alternating mode. On the basis of conventional water quality management and microalgae feeding, the culture water body of the cladoceran zooplankton is irradiated in a light-dark alternating mode by using a blue light source with a specific wavelength, the internal reproduction mechanism of the cladoceran zooplankton is regulated and optimized through the irradiation stimulation of the specific narrow-waveband blue light source, the population density of the cladoceran zooplankton is effectively improved, and the culture yield and production efficiency of the cladoceran zooplankton are significantly improved.

The utility model belongs to the technical field of aquaculture, and particularly relates to a zooplankton collecting device for a culture pond and the culture pond. The moving frame is arranged on the culture pond, the moving frame can do reciprocating motion along the culture pond under the driving of the power assembly, the moving frame comprises two first connecting parts and a second connecting part, and the two first connecting parts are located at the bottom of the second connecting part; a height adjusting assembly is arranged between the two first connecting parts and the second connecting part and used for adjusting the relative height of the first connecting parts and the second connecting part; the collecting component is detachably connected to the bottom of the moving frame, the collecting component comprises two mounting blocks and a collecting net, the collecting net is arranged between the two mounting blocks, and the collecting net is rotationally connected with the mounting blocks; the device has the beneficial effects of efficient and automatic collection, high environmental adaptability and the like.

The present application belongs to the field of environmental remediation technology, and particularly relates to a method for ecological remediation of heavily polluted water body with bottom mud. The method for ecological remediation of heavily polluted water body with bottom mud comprises the following steps: S1: putting heavy metal remediation agent into the water body; S2: putting slow-release type bottom mud remediation agent into the water body; S3: sequentially putting algae-controlling microorganism, photosynthetic bacteria and EM bacteria, and plankton into the water body; S4: planting aquatic plants according to water depth; planting emergent plants in the area with water depth less than 0.5 m, and planting submerged plants in the area with water depth greater than or equal to 1.5 m; and S5: when the coverage rate of aquatic plants in the water body is greater than or equal to 80%, putting aquatic animals into the water body. In the present application, slow-release type bottom mud remediation agent and heavy metal remediation agent are used to reduce the pollution of bottom mud, organic matter, etc., the transparency of the water body is then improved after reduction, aquatic plants are then planted, and finally aquatic animals are put into the water body, so as to construct a water ecological system and achieve the purpose of ecological remediation of the water body.

This invention provides a method for constructing an ecological lake wetland aquatic plant and animal community system. The method includes dividing the lake to be restored into two zones according to water flow direction and terrain. Then, bottom sediment improvement, planting of submerged plants, addition of amendments, and algae-controlling zooplankton are carried out in each zone. Ecological floating islands are constructed and emergent plants are planted. Aquatic animals are introduced, followed by routine management. Water purification devices containing EHBR membrane modules are installed near the lake inlet and in areas with higher terrain. This constructs an ecological lake wetland aquatic plant and animal community, achieving long-term ecological restoration of the lake. Furthermore, the introduction of EHBR membrane modules can reduce organic pollutants in the lake at lower temperatures, significantly extending the restoration time and ensuring that the lake's water quality remains stable for an extended period.

The application relates to the technical field of zooplankton sampling, and discloses a zooplankton sampling device for marine biological investigation and a method thereof, which solves the problem of low sampling efficiency, and comprises a control box, a moving camera and a propeller are arranged on the top of the control box, a power supply and a controller are arranged in the control box, a horizontal propeller rotating pair gear is arranged outside the control box, a horizontal moving propeller is arranged on the left side of the horizontal propeller rotating pair gear, a sampling box is fixed to the bottom of the control box, a light source is arranged in the sampling box, a sampling inlet pipe is arranged on the left side of the sampling box, a filter screen moving track is fixed to the bottom of the sampling box, a filter screen is arranged in the filter screen moving track, and a sampling outlet pipe is fixed to the bottom of the filter screen moving track; the light source can effectively prevent the zooplankton in the sampling box from swimming out of the sampling inlet pipe, so that the sampling effect is ensured, and the authenticity of sampling is further improved.

The invention discloses intelligent plankton analysis equipment which is characterized in that automatic loading of plankton samples is automatically completed through an automatic sampling system, then image scanning is carried out on the plankton samples through an automatic scanning system, and finally intelligent identification analysis is carried out based on scanned images through an intelligent analysis system. The whole process is automatically carried out, the phytoplankton and the zooplankton can be analyzed at the same time only through one sample, the detection time is greatly shortened, the efficiency of plankton population analysis is improved, human intervention is not needed, the recognition and analysis process is not affected by subjective factors, and the method is suitable for popularization and application. And the consistency and the accuracy of analysis results are ensured.

The application discloses a blue-green algae ecological restoration system and an ecological restoration method, which comprise a regional monitoring assembly, a video real-time supervision center module, a data acquisition analysis conversion module, a customer prompt terminal and a gigabit network cloud end; a plurality of regional monitoring assemblies are arranged around the ecological water area range, and the data output end of the regional monitoring assembly is connected with the data acquisition management module end. The blue-green algae ecological restoration system and the ecological restoration method can degrade harmful substances such as ammonia nitrogen, nitrite, sulfide, BOD and COD in water, eliminate peculiar smell of water, improve water quality and water bottom, enhance photosynthesis of phytoplankton in water, promote growth of zooplankton and phytoplankton, balance reproduction of algae in water, effectively inhibit outbreak of blue-green algae, reduce heavy metal ions in water through multiple effects such as ion exchange, complexation and adsorption of biochemical metabolism, improve water transparency, adjust ecological balance of water, and maintain ecological self-purification ability of the aquatic environment.

The application provides a method for evaluating ecological risk of microplastics based on population and community indexes, and belongs to the technical field of pollutant risk evaluation. The application studies the influence of microplastic concentration and particle size on the filter-feeding speed of Daphnia magna, analyzes the relationship between microplastic intake and algal morphology, and studies the influence of microplastics on the movement ability and filter-feeding of Daphnia magna after the microplastics are taken into the body, so as to evaluate the ecological risk of microplastics at a concentration far below the lethal concentration from the perspective of population and community. It is found for the first time that Daphnia magna will mistake microplastics similar in size to algal cells as food, and after the microplastics are taken into the body, the behavior characteristics of zooplankton will be affected, so that the harm of microplastics to zooplankton is comprehensively evaluated from the perspective of behavior and interspecific relationship. The application provides a new idea for evaluating ecological risk of microplastics from the perspective of population and community, and provides a basis for correctly formulating pollutant emission standards.

The invention provides an aquatic biosensor and equipment for monitoring water pollutants and water quality, living zooplankton is accommodated and exposed in a water sample to be detected through a biological sensing unit, and multi-modal data of the zooplankton is acquired through a multi-modal information acquisition unit; carrying out processing and feature extraction on the multi-modal data through a signal processing and feature extraction unit to obtain feature parameters; and performing data fusion analysis on the characteristic parameters by adopting an artificial intelligence model through a water quality evaluation and early warning decision unit to obtain a water quality comprehensive toxicity index, a pollutant type judgment result and an early warning grade. According to the technical scheme, the real-time data acquisition and analysis capability, the accurate early warning function and the pollution tracing capability can be realized, the system is suitable for various application scenes, and the continuous online water quality safety monitoring can be realized.

The invention discloses a neural network construction method for zooplankton microscopic image enhancement, which belongs to the technical field of image enhancement, is used for image enhancement, and comprises the following steps: obtaining a to-be-processed image, and respectively inputting the to-be-processed image into a multi-scale feature extraction module and a local key feature extraction module; the multi-scale feature extraction module uses a ResNet50 model as a feature extraction skeleton, and the local key feature extraction module obtains a low-frequency feature map of an image to be processed and high-frequency feature maps in three different directions through the discrete wavelet transform module; and carrying out feature addition on the output of the multi-scale feature extraction module and the local key feature extraction module, and inputting the result into a banded feature extraction module to obtain an enhanced image. According to the method, global features and key local features of zooplanktons with different sizes in a microscopic image are extracted, so that an enhanced zooplankton feature map is obtained; and the banded feature enhancement module adopts a residual connection mechanism, so that the transmission and utilization of the features are enhanced.

This invention proposes a comprehensive calculation method and system for marine biodiversity based on multiple indices, belonging to the field of marine biodiversity assessment technology. The method acquires species abundance data and environmental parameter data for phytoplankton, zooplankton, and fish in a target sea area; it correlates species occurrence frequency with the numerical range of environmental factors to generate the niche width of each species for each environmental factor, then multiplies this value by relative abundance, sums the results, and compares the sum with the theoretical maximum niche width to generate the overall niche occupancy intensity of the community; based on this intensity, it assigns weights to multiple diversity indices using preset baseline weights to generate dynamic weights; and based on these dynamic weights, it performs a weighted summation of the diversity indices to generate a comprehensive biodiversity index. This invention achieves adaptive weight allocation, improving the accuracy and ecological relevance of the assessment.

1. Name of the product in this design: Intelligent Analyzer for Zooplankton Flow Cytometry Imaging. 2. Application of this design: Intelligent flow cytometry identification and analysis equipment for zooplankton samples, including flow cytometry microscopy imaging, full digitization of information (zooplankton morphological parameters, density, biomass, etc.), species identification, cell counting statistics, and high-definition image capture. 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.

The application discloses a marine plankton identification method based on in-situ images and deep learning, which constructs a multi-stage deep learning architecture in series for processing of full in-situ images, and comprises the following steps: a model is constructed based on a YOLOv8 skeleton to quickly locate and frame plankton individuals in a complex background; a U-Net model is used to finely segment the individuals in the in-situ images at a pixel level, extract accurate contours and obtain high-quality single images; finally, the images are input into a PlanktonNet network based on an innovative design of a ViT architecture, the self-adaptive small-size slice embedding and the introduction of a convolutional word embedding layer are adopted to improve the small-scale target feature extraction capability, and high-precision and fine-grained classification of genera and species is realized. The application has the advantages that the target detection, semantic segmentation and identification tasks are organically integrated, the problems of low identification efficiency and low automation degree in the prior art are effectively solved, and large batches of marine plankton can be quickly and accurately identified from in-situ images.

The application relates to the field of ecological environment monitoring production, in particular to a high-efficiency separation type ecological plankton and zooplankton collecting net which comprises a frame, a first layer net for intercepting large sundries is arranged at the middle portion of the frame, and a lifting hook is arranged at the top of the first layer net. The application is provided with a rotary layered component, that is, a second layer net at the bottom is used for intercepting phytoplankton, and a third layer net on the same axis in the inner side of the second layer net is used for intercepting zooplankton. A rotating force is generated under the action of water flow through a propeller, so that the Jiaolong push plate in the third layer net is in a conical structure and rotates on the inner side of the third layer net, one end of the corrugated plate on the outer side of the Jiaolong push plate is inclined along the inner side of the third layer net, and when rotating, the Jiaolong push plate can push the plankton to move and disperse to avoid local accumulation and blockage, can intercept the zooplankton accurately by means of the component force, and the staggered stirring effect caused by the fact that the wave trough positions of the three corrugated plates are not on the same horizontal plane makes the filtration more comprehensive and uniform.

The application discloses a plankton culture device suitable for field environment, which comprises a ring-shaped PVC pipe, a straight pipe is horizontally connected to the rear side of the ring-shaped PVC pipe, a fine filter screen is arranged on the front surface and the other surface of the ring-shaped PVC pipe, a ring-shaped lamp tube is arranged in the ring-shaped PVC pipe, a ring-shaped metal heating rod is fixedly installed at the peripheral position of the ring-shaped lamp tube in the ring-shaped PVC pipe, and an integrated box is arranged in a sleeving mode between the ring-shaped lamp tube and the ring-shaped metal heating rod. The application relates to the technical field of plankton culture, and the plankton culture device suitable for field environment can make the plankton in the whole system only enter but not exit, make the plankton in the system and the plankton in the river channel have the same chemical composition, and only have the single variable of temperature, so that the reliability of experimental results is greatly increased.

An apparatus for detecting freely swimming zooplankton in a body of water, the apparatus comprising one or more light sources for emitting visible light and the apparatus being configured to direct a first light portion of the emitted light into the body of water to attract the freely swimming zooplankton towards a detection zone and to direct a second light portion of the emitted light onto the detection zone for illuminating zooplankton within the detection zone, the apparatus further comprising an imaging device configured to capture one or more images of one or more zooplankton present within the detection zone.

The invention provides a method for evaluating biological accumulation and ecological risks of a PFAS (perfluorooctanoic acid system) of an aquatic ecosystem, and aims to solve the problems caused by difficulty in sampling zooplankton and complex predatory relationship in species in nutritional level calculation and relieve excessive dependence of biological accumulation risk evaluation on toxicological experiments. Two new indexes (RTMF and RBMF) for evaluating the biological accumulation risk of the pollutants are constructed and are applied to evaluating the biological accumulation risk of the perfluorinated compounds in the water area to be evaluated. Results show that the nutrition level calculated by taking the submerged plant as the reference organism is 0.31 higher than the value based on the zooplankton, the difference between the nutrition level amplification coefficient and the biological amplification coefficient calculated by taking the submerged plant as the reference organism and the value based on the zooplankton is not large, and the submerged plant can effectively replace the zooplankton. According to the method, on one hand, the calculation precision of TL, TMF and BMF is remarkably improved, and on the other hand, the operation difficulty of sampling and analysis is effectively reduced.

The application belongs to the technical field of purification devices, and discloses a zooplankton bait separation and purification device and a separation method thereof, which comprises a separation tank, an intermediate cylinder is fixedly connected inside the separation tank, a sealing assembly is arranged inside the intermediate cylinder, and a feeding assembly is arranged above the separation tank. The intermediate cylinder and the sealing assembly are matched, the solution filtered by the computer is stored in the intermediate cylinder when the intermediate cylinder is sealed, and after the intermediate cylinder is opened, the active zooplankton is removed from the intermediate cylinder by using the attractant injected from the outside, and the inactivated zooplankton is retained in the intermediate cylinder. By controlling the sealing and opening of the sealing assembly and the intermediate cylinder, the active zooplankton and the dead zooplankton are separated, the purification treatment of the zooplankton is further completed after the primary filtration, the proportion of the active zooplankton in the separated mixed solution is high, the quality of the zooplankton after the purification as the bait is improved, and the decomposition and pollution of the dead zooplankton are avoided.