46 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 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 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 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 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 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.

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.

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 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.

The application discloses a water environment blue-green algae bloom early warning method and system, relates to the technical field of environmental monitoring, and comprises the following steps: collecting multi-source monitoring data through an "space-ground" integrated network composed of a liftable layered sensor, a satellite, an unmanned aerial vehicle and a weather station, fusing the data to generate a blue algae space-time distribution thermal map, introducing a blue algae vertical migration factor and a plankton feeding factor, constructing a self-adaptive prediction model, accurately calculating blue algae cell density and bloom coverage area, clustering regional characteristic libraries based on climate zones and water body types, analyzing a ROC curve to dynamically match optimal early warning threshold values, and finally calculating early warning coefficients according to the prediction results and the self-adaptive threshold values, outputting graded early warning signals, and significantly improving the accuracy, reliability and practicability of blue-green algae bloom early warning.

The invention discloses a multi-nutrition-level river crab ecological breeding method based on oryzias chinensis and odontobutis obscura, and belongs to the technical field of aquaculture. The method comprises the steps of culture pond preparation, aquatic plant cultivation, management and protection, directional culture of floating algae, multi-nutrition-level construction and refined culture management. According to the method, the river crabs, the oryzias chinensis and the odontobutis obscura are stocked in stages, and a complete nutrition level of aquatic plants / algae aquatic plant pests / zooplanktons-oryzias chinensis-odontobutis obscura-river crabs is constructed. The oryzias chinensis eats aquatic plant pests and zooplanktons, growth of aquatic plants and floating algae is guaranteed, a good growth and molting hidden environment is provided for the river crabs, meanwhile, use of insecticides is avoided, and growth of the river crabs is promoted; the odontobutis obscura preys on the oryzias chinensis, regulates and controls the population of the oryzias chinensis and Ecological prevention and control and efficient material circulation in the river crab breeding process are achieved, the specification and yield of the river crabs are remarkably improved, odontobutis obscura output is additionally obtained, and comprehensive economic benefits are remarkable.

The application discloses a kind of plankton microscopic image enhancement method and system of optical density reconstruction, belong to resource and environmental technical field.Firstly, the microscopic image is converted to Lab space;In L channel, optical density map is calculated according to Lambert-Beer law, the highest M point mean value of brightness is taken as incident light intensity I0, the texture is enhanced by reconstructing L channel initial map, Gamma transformation and local histogram equalization;Local variance is calculated in a, b channel, color retention weight is obtained by Tanh mapping, and color cast is corrected in combination with background color mean value.Finally, the enhanced Lab image is converted back to RGB format.Through testing, the method can effectively solve the problem of blurred limb features caused by lugol reagent fixation, and provide key technical support for plankton species identification.

This invention discloses a method for the coordinated restoration of wastewater treatment plant effluent and river ecosystems, relating to the fields of environmental engineering and ecological restoration. The method involves injecting wastewater treatment plant effluent or reclaimed water into the river in a pulsed manner, constructing a flow field in the replenishment area to ensure thorough mixing of excess nutrients and indigenous microorganisms; balancing carbon, nitrogen, and phosphorus nutrients by adding a carbon source, directionally activating indigenous microorganisms and inhibiting pollution-tolerant algae, thus reducing nitrogen and phosphorus metabolism to a threshold level; layering multi-matrix carriers to restore zooplankton communities; implementing zoned dissolved oxygen control in the river section and recirculating nitrate-containing water for denitrification; and finally restoring effluent-tolerant submerged vegetation. This invention converts nitrogen and phosphorus in the effluent into ecological nutrients without relying on external microbial inoculation, full-section aeration, or large-scale supporting wetlands, reducing construction and operation costs, eliminating the risk of pollution-tolerant algae inducing initial replenishment, stimulating the river's self-repair potential, shortening the restoration cycle, and achieving a shift from artificial maintenance to ecological self-sustaining.

The utility model relates to the technical field of zooplankter detection sampling devices, and discloses a sampling device for detecting zooplankter in a lake, which comprises a fixing ring, and an indicator is arranged at the top of the fixing ring. By rotating a rotary button, a second rotary column drives a third gear to rotate, then a second gear rotates along with a chain, a first rotary column rotates along with the second gear and drives a first gear to rotate, a rack ring drives a protruding plate to rotate, and then a rotary disc rotates on the inner wall of a limiting ring; then, an electric push rod is started to enable the output end of the electric push rod to drive a rotating disc to move upwards, so that a convex column on a convex plate penetrates through a hole in a filter screen, leaves or garbage on the filter screen are propped out, and the filter screen is prevented from being blocked by the leaves or the garbage; the phenomenon that leaves or garbage on the filter screen is manually removed is avoided, so that the collection time is shortened, and the collection efficiency is improved.

The present application belongs to the technical field of zooplankton culture, and particularly relates to a culture medium for metal chronic toxicity experiment and application thereof. The culture medium provided by the present application does not contain EDTA or other chelating agents, and can also meet the normal reproduction and growth requirements of model organisms, is suitable for long-term culture of model organisms, is conducive to reducing the influence of the components of the culture medium on the bioavailability and toxicity evaluation and determination results of metals, improving the accuracy and reliability of the evaluation results, and thus more accurately determining the chronic toxicity or bioavailability of rare earth elements, and is conducive to accurately exploring the long-term ecological risk of rare earth elements, and provides a new reference approach for metal environmental standard formulation and scientific environmental decision-making.

The application relates to the technical field of zooplankton culture, and discloses a daphnia magna propagation system and method, which comprises a pretreatment unit and a daphnia magna propagation tank. The pretreatment unit comprises a water storage bin, an overflow box and a pulverizer. A water inlet and a water outlet are arranged on the water storage bin. The overflow box is fixedly arranged in the water storage bin. The pulverizer is fixedly arranged in the overflow box. The daphnia magna propagation tank is connected with the water outlet. Water and algae for daphnia magna culture enter the water storage bin through the water inlet, are crushed by the pulverizer, and then enter the daphnia magna propagation tank through the water outlet for daphnia magna to eat. The water storage bin, the overflow box and the pulverizer can crush the algae with a particle size not meeting the requirements and add the algae into the daphnia magna propagation tank. The method can save the input cost of the algae, realize automatic addition of the algae, and improve the propagation efficiency of the algae.

The application discloses a kind of microphage, preparation method and its method for targeting radical cure cyanobacterial bloom, belong to surface water pollution repair / governance field.The preparation method of microphage is as follows: after phage, Fe (III) flocculant and biological surfactant are mixed, the pH value of system is adjusted to neutral, then high-speed stirring is obtained to the surface of microphage by Fe (III) and its hydrolyzed form adhering phage.After pumping microphage into the surface of surface water to be treated, after producing algal residue, by scraping residue, collection removes the algal residue that floats to the surface of water, and the targeting radical cure of cyanobacterial bloom is completed.The method can efficiently enrich, target kill, quickly separate blue-green algae and its residue, successfully eradicate the possibility of water bloom outbreak again;Using phage and biological surfactant, the amount of chemical flocculant is reduced, secondary pollution of water body is avoided, and a reliable method for removing water bloom cyanobacteria is provided.