138 results about "Food chain" patented technology

The invention discloses a marine hormone pollution risk evaluation method and system applied to swimming animals, and the method comprises the steps: carrying out water quality sampling and hormone pollution detection, and constructing a regional water hormone pollution condition diagram; constructing a pollution change trend prediction model, and performing pollution change trend prediction in combination with the regional water hormone pollution condition diagram; the gathering place preference of the nekton in the target ocean area is analyzed, a nekton food chain network of the target ocean area is established based on the population relation data, and an ecological simulation model is constructed; performing biological sampling to analyze the biological hormone pollution condition in the target ocean area, and analyzing the ecological response of the target ocean area in the future time period by using the ecological simulation model; and constructing a risk evaluation model, evaluating the hormone pollution risk of the target ocean area in the future time period in combination with the ecological response analysis information, and performing early warning prompt. The accuracy and comprehensiveness of marine hormone pollution risk evaluation are improved, and the health and sustainability of a marine ecosystem are protected.

The invention belongs to the field of water ecological restoration, and particularly relates to a riverway water ecological restoration method based on an ecological floating blanket, ecological floating blanket-fish-microorganism is utilized to construct an ecological restoration system to improve a riverway water body, and the ecological floating blanket comprises plants, a carrier, a nylon net, a planting matrix and an inorganic filler; the selected plants are subjected to pollutant degrading bacterium inoculation and tolerance experiment domestication; inorganic filler is hung on the lower part of the ecological floating blanket through a nylon net; the nylon net is subjected to membrane pre-hanging treatment, so that a layer of yellowish-brown biological membrane is formed on the surface of the nylon net; the planting substrate is a combination of multiple of chitosan-potassium alginate coating melamine polyurethane composite foam, biochar, scrap iron and alum sludge ceramsite; the plant provided by the invention is high in tolerance and can efficiently adsorb and degrade pollutants; the planting matrix provided by the invention promotes each other and efficiently adsorbs pollutants; the constructed ecological floating blanket-fish-microorganism ecological planting and breeding technology can promote a receiving river channel to form a food chain system with a healthy water body.

The invention relates to the technical field of food production quality, in particular to a safety traceability system and method applied to food production quality. The method comprises the following steps: extracting raw material processing and storage environment characteristics based on an obtained rice milk production log, evaluating the stability of raw materials, and predicting the property change degree of the raw materials; according to the property change condition of the raw material, detecting the structural efficiency attenuation trend of the processing apparatus, evaluating the pollution interference intensity in the quality control chain, and determining the quality coupling imbalance trend in the production process; predicting the abnormal pressure condition in the package according to the imbalance trend, and further evaluating the oxidative deterioration aggravating trend of the rice milk in the storage process according to the abnormal pressure condition; in combination with an oxidative deterioration risk assessment result, tracing production flow abnormity, and optimizing a rice milk production chain according to tracing data; according to the invention, through product quality safety traceability, the stability of food full-link production is improved.

The invention discloses an application of Lactobacillus plantarum in at least one of the following items: a1, an application in improving the silage quality of silage, a2, an application in improving the silage quality, a3, an application in improving the silage quality, a4, an application in improving the silage quality, and a5, an application in improving the silage quality. A2, application in preparation of silage; a3, application in preparation of a silage additive; the strain name of the lactobacillus plantarum is LA2, the lactobacillus plantarum is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the lactobacillus plantarum is CGMCC No. 33484. According to the invention, the lactobacillus plantarum or the microbial inoculum thereof or the silage additive thereof is added into the silage for the first time, and tetracycline resistance genes in the silage can be remarkably reduced; after the lactobacillus plantarum or the microbial inoculum thereof or the silage additive thereof disclosed by the invention is added, the generation and residue of tetracycline resistance genes in feed can be reduced, the propagation of the tetracycline resistance genes in a food chain is reduced, the safety of forage grass is ensured, and the damage to animals, environment and human bodies is reduced; and the drug resistance of human pathogenic bacteria is reduced while the health level of animals is improved.

The present invention relates to layered multi-metal-oxide-based magnetic biochar and a preparation method and use thereof. The preparation method includes: S1. mixing biomass and an iron salt solution for impregnation, and then adjusting a first pH value of a solid phase material after solid-liquid separation to obtain pretreated biomass; and S2. pyrolyzing the pretreated biomass to obtain magnetic biochar, then mixing the magnetic biochar with a solution containing at least two metal salts and adjusting a second pH value, and then performing hydrothermal treatment to obtain the layered multi-metal-oxide-based magnetic biochar. The obtained layered multi-metal-oxide-based magnetic biochar has a large specific surface area, magnetic properties, a layered morphology, and strong adsorption capacity, and can be applied to the treatment of arsenic- and cadmium-containing composite contaminated water bodies, and also to arsenic and cadmium passivation in farmland soil, thereby reducing health risks of crops in the food chains, and ensuring food safety.

The invention discloses a combined biological inhabitation platform capable of quickly building a bird microhabitat, and relates to the technical field of wetland ecological restoration engineering and wetland biodiversity recovery. The platform is composed of a plurality of biological inhabitation platform units with different draft heights; each biological inhabiting platform unit comprises a plurality of main body splicing units, a buoyancy unit and a vegetation layer laid on the main body splicing units; through the enclosed platform formed by combining the buoyancy units and the main body splicing units, soil can be loaded to support the vegetation layer to serve as various plants planted for building a bird microhabitat, and a high-degree-of-freedom space is provided for building an inhabiting and foraging environment of wetland animals such as birds; a stable ecological system which is integrated on water and under water, complete in food chain and rich in biological diversity is constructed, a suitable habitat is provided for wetland organisms such as birds, and restoration of integrity and stability of the wetland ecological system is effectively promoted.

The invention discloses an Antarctic krill yield analysis system and method based on multi-source big data, and relates to the technical field of marine fishery. The system comprises the following components: a data acquisition and management module, which acquires Antarctic sea area ocean current, ocean environment, ocean food chain and ecosystem structure data through satellite remote sensing, an ocean monitoring station and a scientific research and investigation ship, and stores the data in a distributed database after preprocessing; according to the method, multi-source big data from satellite remote sensing, an ocean monitoring station, a scientific research and investigation ship and the like are integrated, the influence of various complex factors such as ocean current change, ocean environment parameters, food chain dynamic balance and ecological system structure functions on the yield of the euphausia superba is comprehensively considered, and a fluid dynamic model and a numerical simulation technology are utilized; and by combining a high-precision ocean current simulation result, the krill yield fluctuation under different ocean current scenes can be more accurately predicted, and a scientific and prospective decision basis is provided for a fishery production department.

The invention belongs to the technical field of crop pollution prevention, and particularly relates to a rice heavy metal adsorption and isolation method based on iron agent regulation and control. According to the method, the iron agent is applied to the polluted rice field soil to induce the soil-rhizosphere interface to form an iron film, heavy metals (such as As, Cu, Pb and Cd) are fixed by virtue of adsorption and complexing effects of the iron agent, and migration of the heavy metals to rice roots is reduced, so that accumulation of the heavy metals at edible parts (leaves and ears) of the rice is reduced; the tolerance of the rice in a polluted environment is enhanced; and the risk of heavy metals in a food chain is reduced. Experiments show; through treatment of an iron film formed by a certain iron-based concentration, accumulation of the heavy metals in the rice leaves can be remarkably reduced, and the accumulation amount of the heavy metals in the rice leaves is far lower than the accumulation amount (1 / 40-1 / 120) of the heavy metals in rice roots. The invention provides an effective solution for farmland soil remediation and crop safety production.

The invention discloses an assembly type ocean suction type caisson foundation structure and a construction method thereof, and belongs to the field of caissons, the assembly type ocean suction type caisson foundation structure mainly comprises a caisson assembly, the caisson assembly comprises a plurality of sets of assembly type caisson bodies, reinforcing steel bars are fixedly installed in the caisson bodies, open holes are formed in the caisson bodies, oblique openings are formed in the bottoms of the caisson bodies, and the caisson bodies are fixedly installed in the open holes. According to the fabricated ocean suction type caisson foundation structure and the construction method thereof, the bionic plates and the caisson body can enter the sea together, so that the holes can make contact with seawater, and therefore the bionic plates simulate the reef environment through the holes; according to the caisson, a habitat is provided for marine organisms, a food chain is constructed, an ecological chain is repaired, biological diversity is improved, wave force can be weakened, base scouring can be reduced, structural fatigue damage can be reduced in engineering, meanwhile, a protective layer is formed through biological attachment, and caisson durability is improved.

The invention relates to the technical field of spreading devices, and discloses a medicament spreading device for conditioning heavy metals in coal gangue, which comprises a base frame, moving wheels mounted at the front and rear ends of the base frame, a drying cylinder connected to the left side of the top of the base frame, a support frame connected to the center of the top of the base frame, and a treatment box connected to the upper end of the support frame, a material guide pipe is communicated between the treatment box and the drying cylinder, the right end of the treatment box is connected with a liquid medicine box, a mixing box is arranged below the liquid medicine box, the right end of the liquid medicine box is connected with a first bearing seat, a stirring shaft is rotationally connected into the first bearing seat, and the end, extending into the mixing box, of the stirring shaft is connected with an impeller; the device is reasonable in structural design, pretreatment of the coal gangue can be effectively completed, harmful heavy metal in the coal gangue is converted into a fixed state from a free state through a passivation agent, the path of the heavy metal entering a food chain is cut off, discharged coal gangue materials can be flattened through a pressing plate, and secondary utilization of the coal gangue is facilitated.

The invention discloses a double-biological-membrane sewage treatment process for deep nitrogen and phosphorus removal coupled sludge reduction, and belongs to the technical field of sewage treatment. The process is composed of an anoxic biofilm reaction tank, an aerobic biofilm reaction tank and an iron autotrophic denitrification biofilter, and efficient nitrogen and phosphorus removal is performed on sewage through the double-biofilm sewage treatment process. Nitrogen and phosphorus removal and sludge in-situ reduction are mainly carried out in the front-end biological membrane reaction tank, and deep nitrogen and phosphorus removal is mainly carried out in the iron autotrophic denitrification biological filter tank. And the residual sludge is predded by using a protozoon / metazoon food chain of the aerobic biological membrane reaction tank, so that the effect of zero generation of the residual sludge is achieved. The concentration of iron ions is changed by adjusting the reflux ratio of iron-ion-containing reflux liquid generated by the iron autotrophic denitrification biofilter, so that the number and community structures of micro-organisms are effectively controlled, the control on sludge predation is further achieved, and the sludge reduction effect is improved. The process is obvious in effect, can stably operate for a long time and is suitable for engineering application.

The invention relates to the technical field of phytoremediation of heavy metal contaminated soil, in particular to a method for remedying facility vegetable field heavy metal cadmium contaminated soil through lettuce-sunflower intercropping. Biochar is applied to improve the structure and performance of greenhouse soil, then vegetable crop lettuce and portulacaceae ornamental plant sunflower are intercropped, the heavy metal cadmium in the soil is removed or remarkably reduced through the effects of absorption, complexation, stabilization and the like under the interaction effect of plant combinations, and the heavy metal cadmium is enriched at the roots of the ornamental plants and prevented from entering a food chain. The method is environment-friendly, has the advantages of being easy to operate, low in cost, free of fallow, free of influence on normal production activity and the like, and is suitable for in-situ remediation of agricultural soil polluted by medium-low-concentration cadmium.

A deep water drawing step of drawing deep water that exists in a deep region of the sea to a surface region of the sea with an upwelling pipe (1); and a phytoplankton culturing step of culturing the phytoplankton in the upwelling pipe (1) are included to produce, as a basic producer of a food chain, a living marine resource, such as fishes and shellfishes, with phytoplankton produced in the phytoplankton culturing step.

The invention belongs to the technical field of soil improvement, and relates to a soda saline-alkali environment pond-soaking river crab ecological breeding method which specifically comprises the following steps: step 1, selecting a healthy larval crab variety; 2, a culture water area which is good in transparency, rich in dissolved oxygen, high in aquatic plant coverage rate and rich in plankton and animal natural bait is selected for a saline-alkali environment; 3, the natural bait accounts for 50%-60%, and the artificial bait accounts for 40%-50%; according to the method, through three-in-one innovation of standard crabs, ecological environment construction, food chain construction and precise time sequence regulation and control, limiting factors such as high pH and low biomass of the soda saline-alkali environment are converted into culture driving force of high dissolved oxygen and natural bait proliferation, and the method is a saline-alkali soil ecological aquaculture method.

The invention belongs to the technical field of sewage treatment, and discloses a DO-ORP coordinated regulation artificial tidal food web sludge in-situ reduction and phosphorus recovery method. Aiming at the problems of high energy consumption, serious phosphorus resource loss and the like of traditional sludge treatment, a multi-stage food chain consisting of microorganisms, protozoa and metazoan is implanted by constructing an artificial tidal environment with periodic alternation of wetting and drying; according to the method, the metabolic activity of sludge hydrolysis flora and phosphorus-accumulating bacteria is activated by utilizing cooperative regulation and control of DO concentration and ORP, microbial extracellular polymeric substances are triggered to be depolymerized by adopting tidal periodic oscillation, in-situ reduction of sludge biomass is realized by combining a food web cascade predation effect, and phosphorus is synchronously removed by virtue of an anaerobic phosphorus release-aerobic phosphorus uptake coupled struvite crystallization process. The method is suitable for treating the excess sludge of a municipal sewage treatment plant, and the high-purity magnesium ammonium phosphate fertilizer is produced while the dehydration energy consumption is reduced by 40%.

The present disclosure provides a biological control method for ciliate disease, and belongs to the technical field of biological control. The biological control method includes the following step: adding Chaenea vorax into an aquaculture pond to control the ciliate disease; and the Chaenea vorax includes Chaenea vorax PJ13002. According to the present disclosure, the Chaenea vorax PJ13002, a predatory protozoan, is introduced to recover a microbial food chain existing in nature in an aquaculture system and achieve biological control of the ciliate disease. Meanwhile, the Chaenea vorax PJ13002 can be directly ingested by aquaculture animals without causing diseases, so that a more stable aquaculture system can be formed, losses are avoided, costs are reduced, and economic benefits are increased. The method provides a new thought for controlling the ciliate disease and has an excellent popularization and application prospect.

The invention discloses an ecological fish tank and an intelligent control system thereof.The ecological fish tank comprises a tank body and an opening in the top of the tank body and further comprises a power grid, a high-voltage generating circuit, a mosquito-lured lamp, a statistical module, a microprocessor and a feeder; the power grid is laid at the opening, the power grid is provided with voltage by the high-voltage generating circuit, the mosquito-lured lamp is arranged above or around the power grid, and the power grid and the mosquito-lured lamp are electrically connected with the microprocessor; the feeder is installed on the tank body, the statistical module collects information of the number of mosquitoes electrically shocked by the power grid and sends the information to the microprocessor, and the microprocessor receives the information collected by the statistical module and controls the feeding amount of the feeder. According to the intelligent fish tank, mosquito troubles and health threats are reduced, the food chain of the fish tank is enriched, the ecological environment of the fish tank is improved, and intelligent control over the fish tank is achieved.

The invention provides a biological bait culture method for pond culture water. The biological bait culture method comprises the following steps: S1, building a three-dimensional culture system; s2, preparing an ecological base and a biocenosis; according to the method, by building a three-dimensional cultivation system of the bottom layer modular net cage, the water surface floating type three-dimensional cultivation frame and the intelligent regulation and control system and combining scientific configuration of ecological bases and biocenosis, the problem that bait supply is unstable in traditional cultivation is effectively solved; the light organism cultivation unit, the plant planting unit and the biological membrane carrier unit of the water surface floating type three-dimensional cultivation frame work in a layered mode, bait organisms such as chlorella, copepods and rotifers in different water layers are cultivated in a directional mode, a complete closed-loop food chain is constructed in addition to food filtering and nutrition supplementing of snails and freshwater mussels, and the bait yield per unit water body is greatly increased.

The invention discloses a full-chain food safety intelligent decision-making method and system, and the method comprises the following steps: collecting food production full-chain data and feedback information, and evaluating the reliability of the collected data through a data integrity index; cleaning and sorting the collected data to form a food safety database, constructing a three-level risk index system, and calculating index values according to the food safety database; training a food safety risk assessment model according to the three-level risk index system and the food safety database, and outputting a risk prediction value by the model; according to a prediction result of the evaluation model, adjusting in combination with an influence factor, converting an adjusted risk value into a risk level, and performing intelligent decision generation according to a decision rule; and executing a decision and collecting feedback, and iteratively optimizing the model decision according to a feedback result and adaptive learning. According to the invention, the food safety risk assessment model is trained by collecting the food full-chain data to carry out intelligent decision making, and the decision making efficiency and accuracy are improved.

The invention discloses an ecological system species evaluation method based on a food chain, and the method comprises the following steps: building an evaluation index system which takes the food chain nutrition level as a framework, and the evaluation index system comprises three first-level indexes: ecological function and nutrition level status, historical-current situation change amplitude and protection and management necessity; determining weights of the first-level indexes and subordinate second-level indexes; setting a judgment standard and an assignment rule for each secondary index; scoring the target species according to the assignment rule, and calculating a comprehensive evaluation score of the target species; and grading the target species according to the comprehensive evaluation score, and determining the target species as a key concerned species, a suggested concerned species or a general concerned species. According to the method, a multi-dimensional evaluation system taking a food chain as a core is constructed, so that the problems of one-sided view angle, disjunction of indexes and different standards in the prior art are solved, and scientific and accurate screening of ecological system species is realized.

The invention discloses a high-altitude mine restoration method and system, and the method comprises the following steps: site grading pretreatment: surveying and detecting a high-altitude mine wasteland, dividing the site into regions of different grades according to the ecological damage degree, and carrying out the differentiated engineering pretreatment on the regions of different grades; multi-dimensional biological habitat construction is conducted, and a multi-layer biological habitat structure composed of a surface layer, a shrub and grass layer, an arbor layer and a water source layer is built in the remediation site; and finally, dynamic monitoring and adaptive maintenance are conducted, wherein ecological parameters of the restoration site are periodically monitored. By constructing the multi-dimensional biological habitat, the limitation of heavy vegetation and light animals in the existing remediation technology is broken through, living space is provided for insects, birds and other organisms, the food chain and nutrient circulation of the ecological system are perfected, and the constructed ecological system has self-maintaining capacity and is not prone to secondary degradation.

This invention belongs to the field of heavy metal pollution remediation technology, and relates to the preparation and application of a cadmium passivating agent for weakly alkaline soil. The weakly alkaline soil cadmium passivating agent mainly comprises the following components by weight: 30-50 parts of a mineral complex, 40-60 parts of a bioactive component, and 5-15 parts of an auxiliary stabilizer. The mineral complex includes natural sepiolite, calcium-based bentonite, and a polyether-polyester diblock copolymer; the bioactive component includes microbial agents, phosphorus-modified biochar, lecithin, and phosphatidylserine; and the auxiliary stabilizer includes nano-hydroxyapatite and a chitosan-grafted polyaspartic acid complex. This weakly alkaline soil cadmium passivating agent exhibits excellent remediation effects on cadmium in contaminated soil, effectively preventing or reducing the entry of cadmium and other heavy metals into the food chain, and has significant market potential.

The present application relates to a layered multi-metal oxide-based magnetic biochar and a preparation method and use thereof, the preparation method comprising: S1, mixing biomass with an iron salt solution for impregnation, after solid-liquid separation, adjusting the first pH value of the solid phase material to obtain pretreated biomass; S2, pyrolyzing the pretreated biomass to obtain magnetic biochar, then mixing the magnetic biochar with a solution containing at least two metal salts and adjusting the second pH value, and then performing hydrothermal treatment to obtain the layered multi-metal oxide-based magnetic biochar. The obtained layered multi-metal oxide-based magnetic biochar has a large specific surface area, is magnetic, has a layered morphology, and has strong adsorption capacity, and can be applied to the treatment of water bodies containing arsenic and cadmium composite pollution, and can also be used for the passivation of arsenic and cadmium in farmland soil, reducing the health risk of food chain crops and ensuring food safety.

The invention discloses a strain of probiotic bacillus subtilis capable of degrading a plurality of mycotoxins. The invention belongs to the technical field of bacillus subtilis, the bacillus subtilis H-1 shows an excellent degradation effect on zearalenone, the ZEN degradation rate of the bacillus subtilis H-1 can reach up to 88.3% under the optimized culture condition, the content of ZEN in feed and food can be effectively reduced, potential threats of mycotoxin to animal and human health are reduced from the source, and the bacillus subtilis H-1 has a good application prospect. The safety of agricultural products and feed is greatly improved, and safe delivery of a food chain is guaranteed; the bacillus subtilis H-1 disclosed by the invention has a remarkable promoting effect on animal health, can improve atrophy conditions of spleen and thymus, enhance immune organ functions, remarkably reduce uterine ovarian coefficient, relieve damage of ZEN to a female reproductive system and guarantee reproductive health of animals; the strain H-1 can generate amylase and cellulase, the enzyme production capacity is good, the enzymes can participate in the decomposition and digestion process of nutrient substances in animal intestinal tracts, the utilization rate of carbohydrates in feed can be increased, absorption of the nutrient substances by animals is promoted, the feed cost is reduced, and the breeding benefits are increased.

The invention discloses a marine hormone pollution risk assessment method and system applied to swimming animals, including: water quality sampling and hormone pollution detection, constructing a regional water hormone pollution status map; constructing a pollution change trend prediction model, and predicting the pollution change trend in combination with the regional water hormone pollution status map; analyzing the gathering place preference of swimming organisms in the target marine area, establishing a swimming organism food chain network in the target marine area based on population relationship data, and constructing an ecological simulation model; conducting biological sampling to analyze the biological hormone pollution status in the target marine area, and using the ecological simulation model to analyze the ecological response of the target marine area in the future time period; constructing a risk assessment model, and combining the ecological response analysis information to evaluate the hormone pollution risk of the target marine area in the future time period and provide early warning prompts. Improve the accuracy and comprehensiveness of marine hormone pollution risk assessment and protect the health and sustainability of the marine ecosystem.

The application discloses an artificial ecosystem for improving wetland biodiversity and a construction method thereof, and the artificial ecosystem comprises a first-stage water system, a second-stage water-land system and a third-stage diversity ecosystem. The construction method of the artificial ecosystem is as follows: water area construction, enclosed water area construction; crop planting, block planting of crops in the water area; fishway construction, fish pool construction and seed pool construction, the seed pool is constructed near the water inlet of the water area; fruit forest construction, local flowering and fruiting trees are planted on the embankment around the water area; installation of insect luring lamps and release of aquatic organisms. The artificial ecosystem with high productivity and capable of recycling is constructed, a complete and stable food chain is constructed for the restored or built wetland, and the problem that the biodiversity of the restored or built wetland is difficult to improve and maintain after improvement is solved.

The application provides a kind of annual green manure interplanting method for tea garden soil improvement and fertilization, by interplanting summer green manure dichondra and winter green manure white clover in tea rows, combined with seamless interplanting and timely plowing technology, significantly improve the soil improvement effect and ecological regulation effect and the yield and quality of tea, through the synergy of two specific green manure variety combination, space-time configuration optimization and plowing management and other key links, not only fundamentally curb soil erosion, improve soil, fertilize soil fertility, reverse the trend of soil degradation, but also provide a stable habitat and food chain foundation for soil microorganisms, arthropods and other organisms, improve the biodiversity of tea garden, enhance the resistance to drought, cold and other adversity, promote the tea garden from a "soil consumption system" that relies on external input to a "fertile land and land system" that can self-nourish and recycle, which is of great significance to promote tea garden soil health management and promote green development of tea industry.

The present invention relates to "A process for the production of whitefish from Pátzcuaro (Chirostoma estor) and balanced diets for its growth and fattening." These diets have specific characteristics for this species, with a content of easily digestible protein ingredients that efficiently contribute to larval survival and the size and weight of the juveniles fed in aquaculture farms with the appropriate diet for each stage. These diets can enter the national and international markets due to their unique characteristics and the results obtained with stomachless fish. Additionally, these feeds can be used for the production of species at a lower level of the food chain, which do not require the use of fishmeal and fish oil, making the aquaculture of these species a more sustainable activity.These diets are the first developed specifically for the successful growth and fattening of the species C. estor, "Pátzcuaro whitefish", having the potential to impact its conservation and marketing in the region of geographic distribution.

The present invention comprises the deployment of a product known as RubisCO Climate Vaccine® or simply RCV which contains a specialised adapted culture of psychrophile algae and accelerators. This RCV is inoculated into targeted tropospheric clouds. The cumulatively large air-liquid optical interface area of clouds enables conditions for potential exponential photosynthetic algal growth and replication during which carbon dioxide is processed and oxygen released directly in the troposphere. Optimal inoculation sites are determined by altitude, humidity, temperature, weather patterns and predicted direction and duration of travel for precipitation, The biomass produced in this process is intended to be precipitated over mid-ocean where it is sequestered within natural ocean food chains or sedimented as detritus essentially permanently. This nature-based solution through repeated deployments offers a feasible scalable pathway toward potential climate change reversal within a decade with minimal or no adverse environmental impact.

The present invention relates to the field of photovoltaic application technology, and in particular to a solar photovoltaic thermal system, comprising an assembly frame, a photovoltaic device, a heating part, an inverter, an induction part, an electric shock part, and a wading component; the photovoltaic device comprises a photovoltaic panel fixed in the assembly frame, the inverter is fixed on the assembly frame and is located on the bottom side of the photovoltaic panel, the photovoltaic device also comprises a circuit and a control part connecting the photovoltaic panel and the inverter, and the control part comprises a remote control device; the heating part comprises an electric wire connected to the inverter, and a heating plate connected to the electric wire and the circuit and the control part, and the tilting mode of the photovoltaic panel is utilized to make the mosquito corpses slide along the tilting surface of the photovoltaic panel or the power grid to the water surface, and are used for fish feeding in the form of a food chain, and also play a protective role in the environment.