86 results about "Environmental restoration" patented technology

The invention discloses a coal-based solid waste ecological restoration material and a preparation method thereof. The preparation method comprises the following steps: mixing coal gangue powder with a cementing material, a mineral activator and a physical pore-forming foam body, and curing to prepare a porous sandy soil matrix; and uniformly mixing the prepared porous sandy soil matrix with coal slime and a complex microbial inoculant, and performing fermentation and precipitation to obtain the coal-based solid waste ecological restoration material. Due to the addition of the cementing material, the strength of a sandy soil matrix framework is enhanced, collapse of pore channels in the crushing process is reduced, and the water retention and air permeability of the material are improved. Compared with traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted by the invention improves the operation safety while reducing the cost, and facilitates standardized production. Nutrient elements in the ecological restoration material can be fully released through the activation effect of the bacterium-fungus complex microbial inoculant. The ecological restoration material can be applied to environmental restoration fields such as mine soil restoration and land reclamation.

The invention discloses an environment assessment method and system based on mine ecological restoration, and relates to the technical field of mine ecological restoration management. According to the environment assessment method based on mine ecological restoration, when mine ecology is restored, ecological restoration data are obtained after each restoration stage of a to-be-assessed and restored mine is finished, data analysis is carried out respectively, and a geological environment restoration assessment index, a water quality environment restoration assessment index and a plant environment restoration assessment index are obtained; according to the method, the comprehensive environment restoration evaluation index after each restoration stage is finished is compared and analyzed with the preset comprehensive environment restoration evaluation index threshold value, and the corresponding restoration and remediation measures are taken based on the comparison and analysis result, so that the comprehensive environment restoration evaluation index after each restoration stage is finished is obtained. Therefore, the restoration effect is dynamically monitored, the timeliness in mine ecological restoration is ensured, and the mine ecological restoration effect after each restoration stage is comprehensively evaluated.

The invention belongs to the technical field of environmental restoration and biology, and discloses a modified corncob as well as a preparation method and application thereof. According to the method, a mixed solution of NaOH and acetyl bromide is used for modifying corncobs, lignin in the corncobs is removed through alkalization pretreatment in the modification process, the porosity and the specific surface area of the corncobs are increased, and meanwhile, acetyl bromide is adopted for treatment, so that the adsorption capacity and the immobilization efficiency of the corncobs to microalgae are enhanced. The modified corncob can be crosslinked with an exogenous polymer (EPS) secreted by the microalgae, so that the microalgae can be stably attached and survive for a long time, and the application effect of the corncob in wastewater treatment and ecological restoration is improved. The invention provides an efficient and sustainable biological immobilization technology, provides a new technical path for water pollution treatment and ecological restoration, and has a wide application prospect.

The invention relates to bacillus velezensis LYB-S and application thereof in improving the reduction rate of hexavalent chromium in combination with exosomes, and belongs to the technical field of environmental restoration. The bacillus velezensis LYB-S has been preserved in the China General Microbiological Culture Collection Center (CGMCC) on May 6, 2025, and the preservation number is CGMCC NO.34429. The bacillus velezensis LYB-S has been preserved in the China General Microbiological Culture Collection Center (CGMCC). The bacillus velezensis LYB-S can be combined with an exosome, so that the reduction rate of the hexavalent chromium can be increased together with the bacillus velezensis LYB-S.

The invention discloses a sludge, bagasse and calcium oxide co-pyrolysis biochar as a soil additive, and a preparation method and application thereof, and belongs to the technical field of environmental restoration. Sludge biochar synergistically modified by bagasse and calcium oxide is used as a soil additive, calcium oxide is introduced for catalytic co-pyrolysis through the synergistic effect of bagasse and calcium oxide, and sludge-bagasse-calcium oxide biochar is prepared; the optimization effect of the sludge-bagasse-calcium oxide biochar in heavy metal contaminated soil remediation is evaluated through heavy metal occurrence form analysis, ecological risk assessment and soil remediation effect experiments. According to the sludge-bagasse-calcium oxide biochar prepared by the method, the fixing capacity of the biochar on heavy metals and the fixing efficiency of the heavy metals in soil are improved, and the physicochemical properties and fertility characteristics of the heavy metal contaminated soil are improved; the characteristics of the sludge-bagasse-calcium oxide biochar for well fixing heavy metals and improving soil properties are exerted, the ecological risk is reduced, the physicochemical properties and fertility characteristics of the soil are improved, and the application of a heavy metal contaminated soil remediation process is optimized.

The invention discloses a restoration method for improving salinized grassland, and relates to the technical field of ecological environment restoration. Physically, a laser land leveling instrument is combined with topographic surveying and mapping to control the land flatness, and an intelligent irrigation and drainage system is constructed; chemically, a novel composite modifier is prepared to regulate soil; biologically, saline-alkaline tolerant grass seeds are treated to construct communities, and microbial agents are applied. And meanwhile, a monitoring network is constructed for precise monitoring and regulation, the cost is reduced by utilizing agricultural wastes and local materials, and sustainable development is realized. The method can effectively reduce the soil salinity, adjust the pH value, improve the vegetation coverage rate, increase the number of soil organic matters and microorganisms, and realize saline-alkali grassland soil improvement, vegetation recovery and ecological sustainable development.

The invention discloses an intelligent environment restoration decision support and training platform, and the platform is characterized in that a data collection module integrates various types of sensors and satellite images, and is provided with a historical restoration case database; the data processing module fuses multi-source data, applies deep learning and reinforcement learning algorithms to predict a pollution trend, optimizes a restoration strategy, and constructs a digital twinborn model. And the decision support module provides interactive strategy comparison and repair scheme recommendation based on the digital twin simulation result. The training module is integrated with an AI coach system by means of VR and AR technologies to carry out immersive practical operation training. And the user feedback module optimizes algorithm parameters through supervised learning. According to the platform, multi-source data fusion, dynamic strategy optimization and virtual-real combined immersive training are realized, and the pollution abatement decision precision and the personnel practical operation skills are effectively improved.

The invention discloses soil environment remediation treatment equipment, and relates to the field of soil remediation device.The soil environment remediation treatment equipment comprises a fixed table, crawler belts are arranged on the two sides of the fixed table, the fixed table is connected with an operation table, the operation table is rotationally connected to the fixed table through a rotary disc, and a storage box is arranged on the rear side of the fixed table; a heavy metal treatment agent is contained in the material storage box, a workbench is arranged on the front side of the fixed table and connected with the fixed table through a connecting shaft, a soil turning device is arranged in the workbench and connected with a spraying device for spraying the heavy metal treatment agent, and the connecting shaft is of a telescopic structure. The soil turning device has the advantages that soil turning work can be achieved, in the process, a heavy metal treating agent is evenly sprayed to turned soil, the contact effect of the heavy metal treating agent and the soil is improved, meanwhile, soil adhesion can be avoided in use, and the soil turning efficiency is improved.

The invention discloses a moss-microorganism synergistic nitrogen fixation bionic regreening method and system for a drought-resistant mine rock slope, and belongs to the technical field of ecological environment restoration. The method comprises the following steps: (1) slope pretreatment: drilling anchoring holes; (2) layered construction: (1) a fixation layer: spraying mixed slurry prepared from amylase and plant fibers to form a net-shaped substrate with the thickness of 1-2cm; (2) a nutrient layer: spraying a mixture of a complex microbial inoculant and a slow release fertilizer, wherein the thickness is 4cm; the mixed bacterial agent is prepared from the following raw materials in percentage by weight: 60 percent of phytonimum patenum spores, 25 percent of nostoc commune (Nostoc commune) and 15 percent of pseudomonas fluorescens (Pseudomonas fluorescens), and the mixed bacterial agent is prepared from the following raw materials in percentage by weight: 60 percent of phytonimum patenum spores, 25 percent of nostoc commune (Nostoc commune) and 15 percent of pseudomonas fluorescens (Pseudomonas fluorescens). And (3) a water retention layer: sodium polyacrylate resin is spread, the particle size of the sodium polyacrylate resin is 1-0.5 mm, soil covering and compaction are performed until the thickness of the water retention layer is 1-1.5 cm, and the use amount of the sodium polyacrylate resin is 2-1.5 wt% of the weight of the soil. According to the method, the nitrogen fixation efficiency can be improved by 40-60%, and the soil moisture content is kept gt under the drought condition; the survival rate of the seedlings is increased to 85% or above, the anti-scouring capacity of the side slope is improved by 50%, and the vegetation coverage rate of 70% or above is achieved within 6 months.

The invention belongs to the technical field of environmental restoration, and particularly relates to a modified fulvic acid-charcoal immobilized microbial agent as well as a preparation method and application thereof. The preparation method comprises the following steps: adding a bacterial liquid, modified fulvic acid and biochar into a culture medium for co-culture to obtain the modified fulvic acid-biochar immobilized bacterial agent. The preparation method is simple, convenient, easy to control and environmentally friendly, the cost is reduced, meanwhile, the prepared modified fulvic acid-biochar immobilized microbial agent still shows high microbial strain activity, petroleum hydrocarbon and polycyclic aromatic hydrocarbon in combined pollution are efficiently degraded and can be maintained for a long time, and good industrial application prospects are achieved.

The invention relates to the technical field of ecological environment restoration, in particular to an arid / semi-arid mining area waste dump soil reconstruction method which comprises the following steps: S1, stripping surface soil of a waste dump, and leveling and compacting the surface of the waste dump to obtain a parent material layer; s2, coal gangue and an ionic curing agent are mixed, the rotating speed is 50 rpm, stirring is conducted for 10 min, and a mixture is obtained; the parent material layer is covered with the mixture in a layered mode, the thickness of each layer is 15-20 cm, after the mixture is covered every time, the mixture is compacted, then the next layer of mixture is covered, and after the last layer of mixture is compacted, a water-resisting layer is obtained; s3, the water-resisting layer is covered with the water storage layer and laid flat; and S4, covering the water storage layer with the vegetation layer. Heavy metal pollutants in the coal gangue can be effectively fixed, surface water and surrounding soil are prevented from being polluted by leaching of the coal gangue, good durability is shown, and functions can be kept for a long time.

The invention relates to the technical field of microbial culture, in particular to a heterotrophic culture method of benthic diatom, which comprises the following steps: S1, adding benthic diatom into an improved SE culture medium, and culturing for 5-7 days until OD540 is 0.8-1.2 to obtain a benthic diatom seed solution; according to the method disclosed by the invention, a nutrition system is constructed by taking waste glycerol as a carbon source and sodium alginate coated urea as a slow-release nitrogen source, and the benthic diatom, nitrogen-fixing bacteria and phosphate solubilizing bacteria are co-cultured on a porous ceramic carrier to be cultured under a dark condition, so that compared with the prior art, the method disclosed by the invention thoroughly gets rid of the dependence on illumination, and the yield is increased. The rapid, high-yield and stable heterotrophic culture of the benthic diatom is realized, meanwhile, the raw material and energy consumption cost is greatly reduced, and the resource recycling rate is improved; the obtained diatom biomass can be used for aquatic bait, biological energy, environmental restoration and development of high-added-value products, and has a wide industrial application prospect.

The invention relates to the technical field of image processing, in particular to a restoration effect evaluation method for environmental restoration engineering, which comprises the following steps: acquiring an underground water image, and graying to obtain an underground water grayscale image; segmenting the groundwater grayscale image to obtain to-be-processed pixel points, and obtaining a plurality of windows of the to-be-processed pixel points; according to the box plot of each window of the to-be-processed pixel point and the number of abnormal pixel points in each window, obtaining the abnormal degree of the to-be-processed pixel point in the box plot of each window, and obtaining the noise intensity of the to-be-processed pixel point according to the abnormal degree; obtaining a noise intensity parameter sequence according to the noise intensity, and obtaining the optimization degree of each noise intensity parameter; and completing groundwater remediation evaluation according to the optimization degree and the noise intensity. According to the method, the influence that impurities and noisy points in underground water are relatively similar in gray level expression in the image is reduced, the accuracy of noisy point recognition is improved, and the robustness of the system is further improved.

The present invention is applicable to the field of plant resistance screening and provides a method and system for screening highly resistant plants based on ecological environment simulation. This method establishes an ecological environment model that simulates combined stresses, periodically collects plant physiological and biochemical phenotypes, environmental data, and resource consumption data, quantifies plant resistance behavior into environmental restoration asset points, calculates ecological liabilities based on resource consumption, and screens for primary highly resistant plants using net ecological benefit values. A final sequence is obtained through secondary screening using the resistance balance index. This method integrates ecological asset-liability thinking to comprehensively assess plant resistance and ecological benefits. The screening results are accurate and practical, making it suitable for fields such as ecological restoration and provides an efficient and scientific solution for screening highly resistant plants.

The present invention discloses a three-dimensional sand prevention and fixation device applicable to high-cold and sandy areas in the field of environmental restoration, which includes a support pipe. The bottom of the support pipe is connected to a collection pipe, and a number of water seepage holes are provided on the collection pipe. A connecting rod is hinged on the support pipe, and one end of the connecting rod away from the hinge seat is fixedly connected to a rubber pipe. A number of openings are provided at both ends of the rubber pipe. A fixing device is fixedly connected to the bottom of the support pipe. A number of rubber pipes simulate the morphology of plant leaves, weaken the erosion of the wind on the ground in high-cold and sandy areas, utilize the wind in nature to spread seeds, store and use rainwater, and reduce the use of water resources on land; the fixing device can adapt to different relatively harsh environments. The sand fixation column utilizes the wind in nature to spread seeds and can store rainwater, and irrigate the sandy soil with the stored rainwater, so as to plant Hedysarum scoparium in high-cold and sandy areas, which is convenient for sand prevention and fixation in high-cold and sandy areas.

The invention belongs to the technical field of chemistry and environment, and particularly relates to a COFs (Covalent Organic Frameworks) material for adsorbing radioactive element uranium and a preparation method of the COFs material. According to the COFs material and the preparation method thereof, the adsorption capacity of the COFs material on radioactive element uranium is remarkably improved by converting a reduced imine bond in the COFs into a secondary amine bond, meanwhile, by combining the synthesis method and modification treatment, the obtained COFs material shows excellent performance on the effect of adsorbing the radioactive element uranium, and compared with an unreduced original COFs material, the adsorption capacity of the COFs material is remarkably improved; the adsorbent not only has good adsorption performance, but also has relatively good chemical stability and reusability, and can provide a more effective solution in the fields of uranium removal and environmental restoration.

The invention provides a coal mine waste dump ecological restoration method based on data processing. The method relates to the technical field of mining area ecological environment restoration and comprises the steps that multi-source ecological parameters of a coal mine waste dump area are collected and processed to form an original ecological data set, and a gradient collection strategy based on multi-scale spatial analysis is adopted for collection and processing. And performing dynamic entropy weight calculation processing on the original ecological data set to form an ecological weight parameter set, wherein the dynamic entropy weight calculation processing comprises an entropy weight adaptive updating mechanism and a repair priority division algorithm. According to the coal mine waste dump ecological restoration method based on data processing, multi-source ecological parameters of a coal mine waste dump area are collected and processed, and an original ecological data set is formed in combination with multi-scale spatial analysis and gradient collection strategies. Through dynamic entropy weight calculation processing, an ecological weight parameter set is formed by using an entropy weight adaptive updating mechanism and a restoration priority division algorithm, and a data basis is provided for a subsequent restoration strategy.

The present application relates to the technical field of ecological environment restoration, and more particularly to a waste mine ecological environment restoration method and system, the present application obtains a plurality of temperature parameters and terrain parameters of each monitoring area by the unmanned aerial vehicle carrying the monitoring equipment to mark the characteristic monitoring area, obtains the surface image of each characteristic monitoring area, determines whether the characteristic monitoring area exists the deformation risk, constructs the deformation tendency characterization vector based on the surface texture contour, analyzes the homologous tendency of each deformation tendency characterization vector, determines the block tendency category of the characteristic monitoring area, and determines the optimization strategy of the environment restoration according to the block tendency category. The present application realizes the rapid identification of the characteristic monitoring area with the freezing and thawing phenomenon, adaptively determines the optimization strategy of the environment restoration according to the actual deformation characteristics in the area, and improves the reliability of the waste mine ecological environment restoration.

Abstract A coal-based solid waste eco-restoration material and preparation method are provided. The preparation method includes: mixing and placing calcium oleate, sodium silicate, polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; seeding the inorganic nano-seed crystal to form a cementitious material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; uniformly mixing the prepared porous sandy loam matrix, coal slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. Compared with the traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted in the present disclosure improves the safety of operation while reducing the cost, and is convenient for standardized production. According to the activation of bacteria-fungi composite microbial agent, the nutrient elements in eco-restoration materials can be fully released. The eco-restoration material can be applied to the fields of mine soil restoration, land reclamation and other environmental restoration. FIG. 1 Abstract A coal-based solid waste eco-restoration material and preparation method are provided. The preparation method includes: mixing and placing calcium oleate, sodium silicate, polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; seeding the inorganic nano-seed crystal to form a cementitious material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; uniformly mixing the prepared porous sandy loam matrix, coal slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. Compared with the traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted in the present disclosure improves the safety of operation while reducing the cost, and is convenient for standardized production. According to the activation of bacteria-fungi composite microbial agent, the nutrient elements in eco-restoration materials can be fully released. The eco-restoration material can be applied to the fields of mine soil restoration, land reclamation and other environmental restoration. Mixing and placing calcium oleate, sodium silicate, S10 polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; Seeding the inorganic nano-seed crystal to form a cementitious S20 material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; Uniformly mixing the prepared porous sandy loam matrix, coal S30 slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. FIG. 1 20 25 20 15 77 04 M ar 2 02 5 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 a n d o t h e r e n v i r o n m e n t a l r e s t o r a t i o n . S 1 0 S 2 0 S 3 0 F I G . 1 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 a n d o t h e r e n v i r o n m e n t a l r e s t o r a t i o n . S 1 0 S 2 0 S 3 0 F I G . 1 1 / 2 FIG. 1 FIG. 2 1 / 2 Mixing and placing calcium oleate, sodium silicate, S10polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; Seeding the inorganic nano-seed crystal to form a cementitious S20 material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; Uniformly mixing the prepared porous sandy loam matrix, coal S30 slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. FIG. 1 Inorganic nano-seed crystal Hydration products 5 um FIG. 2 20 25 20 15 77 04 M ar 2 02 5 S 1 0 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 S 2 0 S 3 0 F I G . 2 S 1 0 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 S 2 0 S 3 0 F I G . 2

The invention belongs to the technical field of ecological environment restoration, and particularly relates to an arid region gobi gravel curtain layer reconstruction method. Gobi in the arid region is subjected to earth surface leveling, gravel layer paving and saline pressing in sequence, and a gravel curtain layer is obtained. The gravel curtain layer earth surface reconstructed through the method has no obvious landscape difference with the surrounding natural gravel curtain layer earth surface, salt crust and gravel are tightly bonded together to form a hard soil protection layer, the earth surface can be effectively solidified, and soil wind erosion can be resisted.

This invention provides a method and system for mine ecological restoration, relating to the field of ecological environment restoration technology. The method includes: obtaining soil damage characteristics based on a pre-acquired ecological area to be restored; obtaining a mine geological composition based on the soil damage characteristics and pre-acquired restoration goals, combined with geological soil selection principles; obtaining a plant species composition based on sampling results from pre-acquired sample plots and restoration goals; and performing ecological restoration of the ecological area to be restored based on the mine geological composition and plant species composition. This invention accelerates the process of geological soil formation and vegetation restoration in abandoned open-pit mines, improves the tolerance of restored vegetation communities to climate fluctuations, and truly achieves precise and sustainable ecological restoration of open-pit mines.

The invention discloses a novel bacillus, the preservation number of which is CGMCC (China General Microbiological Culture Collection Center) No.30313, and the preservation date of which is April 12, 2024. Gene identification shows that the strain belongs to a new microbial species in taxonomy. Researches show that the strain has nitrogen fixation capability, can grow on a nitrogen-free Abainite culture medium, has certain capability of converting N2 into NH4 < + >, can fixedly generate a large amount of ammoniacal nitrogen fertilizer, and can provide required nutrient substances for plant growth; in addition, the strain has good endurance capacity to a low-temperature environment, and can play an environment restoration function in a winter environment or a high-altitude area site. Therefore, the novel bacillus disclosed by the invention has better application potential and prospect in the aspects of microorganism nitrogen fixation and environmental restoration.

The invention relates to the technical field of heavy metal pollution abatement and environmental remediation, in particular to a sulfurized nano zero-valent iron loaded biochar composite material and a preparation method and application of the sulfurized nano zero-valent iron loaded biochar composite material. Then iron ions loaded in the micro-nano biochar are reduced and vulcanized through a reducing agent and a vulcanizing agent, and then the composite material is further coated with tetraethoxysilane, so that the problem that traditional nano zero-valent iron is easy to agglomerate and oxidize is solved; the prepared sulfurized nano zero-valent iron loaded biochar composite material has the advantages of high reaction activity and stability and large arsenic adsorption capacity, and the preparation method is simple in process, high in preparation efficiency, low in energy consumption and low in production cost. The sulfurized nano zero-valent iron loaded biochar composite material is applied to remediation and treatment of arsenic-polluted water or soil, and has a good application prospect.

The application discloses a method for fermenting crop straws by using composite microorganisms and application of the composite microorganisms in mine ecological restoration, and belongs to the technical field of agricultural waste resource utilization and environmental restoration. The composite microbial inoculum is composed of Clostridium coccoides, Bacillus plantarum and Acetobacter pasteurianus. The composite microbial inoculum has a significant synergistic effect in degrading the nutrient components of crop straws and accumulating fermentation products, and can obtain high-quality fermentation products. The fermentation products can improve soil structure and morphology, and reduce heavy metal activity, so that the effect of mine ecological restoration is achieved. Therefore, the composite microbial inoculum provides technical guidance for resource utilization of agricultural wastes and sustainable development of the environment. The fermentation products produced by fermenting crop straws by using the composite microbial inoculum provide a new way for mine ecological restoration.

The invention provides a method for promoting renewal of a declined shrub forest, and belongs to the technical field of ecological environment restoration, and the method comprises the following steps: determining the number, density and distribution mode of renewed shrub forests according to natural endowment of water resources and a natural shrub distribution mode, and renewing flexible branch shrubs by adopting layering; a layering auxiliary rooting device, a matrix and a rooting promoting agent are prepared, the layering auxiliary rooting device is provided with a closed rooting cavity and a water collector connected with the rooting cavity, and the rooting cavity is filled with the matrix; the lower end of the layering rooting assisting device is installed in the pit, the layering is coated with a rooting promoting agent, and the layering is operated to penetrate into the rooting cavity; the conditions of substrate wetting and layering rooting are checked, and water is supplemented into a rooting cavity; after root systems on the pressing strips grow into the rooting cavities, the pressing strips are cut off to form independent plants. According to the method for promoting renewal of the declined shrub forest, the rooting speed in the ecological environment restoration process is increased, and meanwhile water replenishing operation can be completed rapidly and conveniently.

The invention relates to the technical field of soil ecological environment remediation, in particular to a data processing method and system for soil ecological environment remediation, and the method comprises the steps: collecting soil environment observation data and exogenous influence data, and constructing a soil state vector and a soil remediation operation feasible constraint; performing causal structure identification based on the observation data and the constraints, generating an intervening causal graph, and calculating the causal contribution of each influence factor to the soil state; and identifying environmental risk nodes through the intervening causal graph, constructing a risk chain sequence, and calculating the instability of each risk chain. According to the method, the soil environment observation data and the exogenous influence data are systematically processed to generate the intervention causal graph and the causal contribution amount, and the risk chain identification and the joint optimization iteration are combined to generate the optimal remediation scheme, so that the problem that the experience allocation method is mostly adopted in the traditional soil remediation is solved; and because the influence of each measure on the soil state cannot be quantified, the problem that the remediation scheme is inaccurate is solved.

The invention relates to the technical field of environmental restoration, in particular to a pollution plume interpolation technology preferential selection method in underground water pollution numerical simulation, which comprises the following steps: S1, constructing an underground water pollution numerical model, and simulating underground water flow and pollutant migration; s2, under the same interpolation method, setting different data volumes of interpolated initial pollution plumes, and comparing simulation results; and S3, under the condition that the data volume of the interpolated initial pollution plume is the same, performing the interpolation of the initial pollution plume by using different interpolation methods, comparing the simulation results, and determining that the interpolation method is optimal when the average value of the absolute values of the deviation between the model simulation value and the measured value is smaller. According to the method, the problem of how to select an interpolation method to more accurately predict groundwater pollution migration under the condition of limited data is solved, the constructed model has scientificity and accuracy through reliability evaluation, the cost is low, the operation is simple and convenient, and the method can be widely popularized.

The invention discloses a sediment self-discharging type artificial fishing reef, and relates to the technical field of marine ecological environment restoration. The sediment self-discharging type artificial fishing reef comprises a main reef part, an auxiliary reef part and a base part, the main reef part, the auxiliary reef part and the base part are sequentially distributed from top to bottom, the main reef part comprises multiple layers of sheltering channels, the auxiliary reef part comprises an upper layer of flow channel and a lower layer of flow channel, and the orientations of the upper layer of flow channel and the lower layer of flow channel are perpendicular to each other; the flow channel comprises an inlet section, a contraction section and an outlet section, the longitudinal section of the inlet section and the longitudinal section of the outlet section are isosceles trapezoids, the longitudinal section of the contraction section is rectangular, the inlet section and the outlet section are symmetrical about the contraction section, the inlet section is narrow inside and wide outside, and the outlet section is narrow inside and wide outside; and a hole channel is formed between the main reef part and the auxiliary reef part, penetrates through the main reef part from top to bottom and is communicated with the upper and lower layers of flow channels. The device has the beneficial effect of being beneficial to discharging sediments.

The invention relates to a microalgae carbon sequestration technology, and aims to provide a method for regulating and controlling a key gene to improve high-temperature resistance and stress resistance of carbon sequestration microalgae. Comprising the following steps: regulating and controlling the expression quantity of four key genes in microalgae cells by performing temperature gradient domestication on the microalgae cells; the final temperature condition of the domestication culture is 42 DEG C, so that the expression quantity of each key gene is increased to several times of the original expression quantity; and (2) carrying out transfer culture on the domesticated microalgae strain, and verifying the genetic stability of the high temperature resistance of the microalgae strain. According to the invention, the adaptability of the microalgae to high-temperature stress can be enhanced, the biomass production efficiency of the microalgae in a high-temperature environment is improved, and the method has important application value in the fields of biological energy production, environmental restoration and the like; as the microalgae can well grow in high-temperature environments such as high-temperature regions and desert arid zones, the large-scale application of the microalgae carbon sequestration technology in the recovery and treatment of the carbon dioxide in the flue gas of the power plant in the high-temperature regions can be expanded.

The invention provides a coal gangue storage yard ecological restoration method based on composite AM fungi and plant communities, and belongs to the technical field of environmental restoration. The ecological restoration method comprises the following steps: (1) pretreating coal gangue to form a plant growth base layer; (2) inoculating the plant growth base layer with a composite AM fungus inoculant; the composite AM fungus fungicide is prepared from glomus intraradices, globomegalospora globosa, glomus mosseae and glomus young ferulae; and (3) sowing plant seeds on the plant growth base layer inoculated with the composite AM fungus inoculant. According to the method, the coal gangue storage yard is repaired through the AM fungus fungicide and the composite plant community, dependence on exogenous soil and chemical fertilizer is reduced, the long-term maintenance cost can be reduced, and the method has good biological safety and good application and popularization value.