76 results about "Food chain" patented technology

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 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.

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 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 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.

A combined habitat platform for rapidly constructing a bird microhabitat is provided, and relates to the technical fields of wetland ecology repair technologies and wetland biodiversity restoration. The platform includes a plurality of habitat platform units with different immersion heights. Each of the habitat platform units includes several main body splicing units, buoyant units, and a vegetation layer paved on the main body splicing unit. According to the present disclosure, an enclosed platform formed by combining the buoyant units and the main body splicing units can not only load soil to support the vegetation layer as various plants planted for constructing the bird microhabitat, but also provide high-degree-of-freedom space for constructing a habitat and a foraging environment for wetland animals such as birds, so as to construct a stable ecosystem with integration on the water and under the water, a complete food chain, and abundant biodiversity, and provide a suitable habitat for wetland organisms such as birds, thereby effectively promoting restoration of integrity and stability of the wetland ecosystem.

The invention discloses a microhabitat reconstruction and energy flow regulation and control method for triplophysa orientalis population restoration, and belongs to the technical field of ecological restoration. Aiming at the problems of difficult propagation of natural populations of the triplophysa orientalis and food chain supply interruption caused by limited river habitat bearing capacity and non-uniform seasonal bait supply in an arid region, firstly, an anti-scouring proliferation unit embedded with local plant deadwood is laid in a shallow water slow flow region; constructing a'sheltering-ingestion 'double-effect microhabitat for enabling the oriental triplophysa to avoid natural enemies and to proliferate bait hooked shrimps; secondly, natural artificial proliferation of local wild hooked shrimps is simulated, and directional nutrition cascade regulation and control are implemented according to the energy requirements of three key life history stages, namely recovery after overwintering, gonad development and juvenile fish opening, of the triplophysa orientalis. According to the method, the problem that the survival rate of the triplophysa orientalis fries is low due to insufficient energy in traditional releasing is effectively solved, self-maintenance and propagation expanding of the triplophysa orientalis population are achieved, and then a stable food source guarantee is provided for the geranium wilfordii.

The invention provides a microbial composition with a green in-situ remediation function as well as a preparation method and application thereof, and relates to the technical field of microorganisms. The microbial composition is prepared from the following components in parts by weight: 1 part of a glomus fusiformis inoculant, 0.9 to 1.1 parts of a rhizosporidium endophyllum inoculant and 0.9 to 1.1 parts of a physocheilus mosseae inoculant. The microbial composition provided by the invention can promote the growth and development of plants in micro-plastic polluted soil, promote the growth and development of food chain animals, and reduce the concentration of micro-plastics in plants and animals. The relieving effect of the microbial composition on the toxicity of the microplastics can be transmitted through a soil-plant-food chain, enrichment of the microplastics in herbivores such as snails is reduced, the toxic influence of the microplastics on the digestive system, the antioxidant system and the reproductive system of the animals is relieved, and a multi-nutritional-level ecological protection mechanism is established.

Systems, apparatuses, and methods that provide information relevant to trace a food or other product back to its source of production to protect the health of consumers during an outbreak of foodborne illness or to optimize supply chains for product freshness. Embodiments provide a way to better communicate traceability information to the final step of the present food chain (i.e., retail or foodservice outlet) than conventional approaches, which provide little, if any, capability to satisfy the requirements of the FDA and FSMA regulations.

The invention discloses an ecological bait production method based on a food chain, which comprises the following steps: S1, mixing wine brewing enzyme liquid and culture tail water in proportion, and stirring to form a nutrient medium required by microalgae growth; s2, conveying the nutrient medium into a microalgae culture module, and regulating and controlling illumination and dissolved oxygen conditions; part of microalgae is conveyed to the plankton breeding unit to cultivate plankton to construct a live bait chain; s3, tail water generated by breeding flows back to the plankton breeding unit to serve as a nutrition supplement source of plankton, and closed-loop circulation is achieved.

The invention provides a method for enhancing methyl mercury degradation capacity of phytoplankton, and belongs to the field of biotechnology. The method for enhancing the methyl mercury degrading capacity of the phytoplankton comprises the step of enabling the phytoplankton to overexpress a methyl mercury lyase gene merB. The organic mercury lyase coded by the merB gene, namely the MerB protein, can decompose high-toxicity methyl mercury into low-toxicity Hg and methane (CH), so that the tolerance of phytoplankton expressing the merB gene to the methyl mercury can be enhanced. Meanwhile, the phytoplankton can enrich methyl mercury in the water environment, the phytoplankton serves as a primary producer in a food chain and is a source of substances and energy, the content of methyl mercury can be reduced from the source by reducing the methyl mercury in the phytoplankton, and therefore the ecological health risk that the methyl mercury is transmitted along the food chain is reduced. The mercury metabolic pathway of phytoplankton is enhanced through genetic engineering, and an efficient and sustainable method is provided for bioremediation of mercury pollution.

The application discloses an ecological evolution simulation method based on rainfall runoff assimilation, and comprises the following steps: estimating environmental effects such as topographic erosion, water resource distribution change and light and heat resource change by using rainfall runoff assimilation results output by a rainfall runoff assimilation model; and calculating resource supply conditions and species distribution conditions of each layer of a food chain to simulate changes of a target environment ecological circle on the basis. The application simulates rainfall runoff processes by using the rainfall runoff assimilation model, adds short-term influences of rainfall runoff in ecological environment evolution simulation, improves granularity of the ecological evolution simulation method, and promotes ecological coupling rainfall runoff assimilation to be more accurate.

The present invention belongs to the field of water ecological restoration, and specifically relates to a river water ecological restoration method based on an ecological floating carpet, which utilizes the ecological floating carpet, fish, and microorganisms to construct an ecological restoration system to improve river water bodies. The ecological floating carpet includes plants, carriers, nylon nets, planting substrates, and inorganic fillers. The selected plants are inoculated with pollutant-degrading bacteria and domesticated through tolerance experiments. The inorganic fillers are suspended through the nylon net on the lower part of the ecological floating carpet. The nylon net is pre-filmed to form a layer of yellow-brown biofilm on its surface. The planting substrate is a combination of multiple types of chitosan-potassium alginate-coated melamine polyurethane composite foam, biochar, scrap iron, and alum sludge ceramsite. The plants provided by the present invention have strong tolerance and can efficiently adsorb and degrade pollutants. The planting substrates provided by the present invention promote each other and efficiently adsorb pollutants. The ecological floating carpet, fish, and microorganisms constructed by the present invention constitute an ecological breeding technology, which can promote the formation of a healthy food chain system in the receiving river.

The invention discloses a method for preparing a heavy metal lead and cadmium polluted soil or tailing slag isolation material, and belongs to the technical field of polluted soil remediation. In order to solve the problem of repairing Pb and Cd combined polluted soil, on the basis of building an isolation material system with a synergistic effect, comprehensive prevention and control of a heavy metal migration path are achieved through physical and chemical dual blocking by building an isolation repairing layer and combining a layered blocking landfill process. And the mobility and bioavailability of heavy metal ions in the soil are reduced by utilizing the chemical bonding effect of the isolating and repairing layer, and the risk that heavy metal enters a food chain is reduced. Meanwhile, according to the underground water level distribution condition, a layered barrier landfill process is adopted, a physical barrier is formed, and diffusion of pollutants is effectively blocked. According to the method, the cultivated land can immediately recover the cultivation function, the requirements for rapid reclamation and safe utilization of the cultivated land are met, and high economic feasibility is achieved.

This invention relates to the field of electrical distribution cabinet technology, and provides a method, system, medium, and device for animal deterrence in electrical distribution cabinets. The method includes the following steps: acquiring image information of an animal located at a first preset distance; acquiring the animal's species information and pose information based on the image information; determining whether the animal is moving towards the electrical distribution cabinet based on the acquired pose information; if the animal is moving towards the cabinet, determining the animal's species information; the species information includes the number of species; if there are multiple species, determining whether a food chain relationship exists between the species; if a food chain relationship exists, using a corresponding deterrence method based on the food chain relationship. Using the method of this application, when there are multiple species, mutual deterrence between multiple species can be achieved by utilizing food chain relationships, improving deterrence efficiency.