36 results about "Environmental restoration" patented technology

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 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 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 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 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.

The application relates to the technical field of ecological restoration engineering dewatering, and discloses a dewatering well construction device and a construction method, which solve the problem that uneven filter material filling causes poor filtering effect in the related dewatering well construction process, the filter material being directly manually shovelled into a well hole, the problem being solved by the device, which comprises a well hole for installing a well pipe, a limiting cylinder for limiting the well pipe being installed in the well hole, the diameter of the limiting cylinder being not less than the diameter of the well pipe, a material paving mechanism for filling filter material between the limiting cylinder and the well hole being installed above the well hole, the material paving mechanism comprising a rotating plate capable of rotating horizontally and a hopper installed at the edge of the rotating plate, and the discharge port of the hopper being directed to the gap between the limiting cylinder and the well hole, so as to reduce the case that uneven filter material filling causes poor filtering effect. The dewatering well construction device and the construction method are applied to environmental governance and environmental restoration project engineering construction, and have the advantage of improving the filtering effect of the dewatering well.

This application relates to an ecological restoration system and method suitable for high-altitude and cold environments, specifically in the field of environmental restoration systems. The system includes: leveling a surface to create a smooth surface on exposed surfaces in high-altitude and cold environments; constructing an acclimatization shed on one side of the leveled surface, where acclimatized plants are planted; laying a base mesh layer on the leveled surface, with multiple fixing devices on the base mesh layer to secure it to the leveled surface; spraying topsoil onto the base mesh layer to form a restoration substrate layer; pressing planting troughs into the surface of the restoration substrate layer and transplanting the acclimatized plants from the acclimatization shed into the planting troughs; covering the surface of the restoration substrate layer with a protective layer; installing miniature meteorological and soil moisture monitoring equipment on the restoration substrate layer, the miniature meteorological and soil moisture monitoring equipment having an alarm function; and also installing drip irrigation equipment on the restoration substrate layer. This application has the effect of optimizing the restoration effect of high-altitude and cold environment restoration work.

This invention discloses a method for preventing wind erosion and sand damage in water-collecting pits, relating to the field of ecological environment restoration technology. The method provided by this invention uses local algal blooms and terrestrial crusting algae as materials to synergistically manage temporary wind erosion and sand damage in water-collecting pits in stages. It has the advantages of being green, environmentally friendly, and sustainable, and is simple, easy to implement, and low-cost. It can prevent the occurrence of wind erosion pits or inhibit their further development and expansion, reducing the large amount of manpower and financial resources required for subsequent repeated treatments. Using the method provided by this invention can significantly increase the vascular vegetation coverage and biological crust coverage of water-collecting pits, preventing or inhibiting wind erosion on the surface of the water-collecting pits.

The invention discloses a biochar granular material and a method for detecting the desorption behavior of adsorbed Ca < 2 + >, and belongs to the technical field of environmental functional materials and soil chemical analysis, and the method is characterized in that Na < + > pretreated biochar reacts with a calcium-strontium mixed solution to prepare a calcium-strontium adsorption type biochar material. Sr < 2 + > is used as an internal mark tracer ion, and the content of Ca < 2 + > desorbed by charcoal in soil or water is calculated by measuring the change of the concentration ratio of Ca < 2 + > to Sr < 2 + > in soil or water before and after desorption. According to the method, expensive 44Ca isotope labeling is avoided, the cost is low, the operation is simple and convenient, the method can be used for accurately evaluating the release behavior of the biochar adsorption state Ca < 2 + > in the environment, and a technical support is provided for application of the biochar adsorption state Ca < 2 + > in agricultural improvement and environmental restoration.

The invention relates to a method and device for determining a regional ecological environment restoration scheme, and relates to the technical field of ecological environment restoration. The method comprises the following steps: preprocessing multi-modal data corresponding to a target geographic area to obtain standard input data, and inputting the standard input data into a preset remote sensing image segmentation model to obtain an ecological state recognition result; determining a candidate ecological restoration scheme according to the ecological state recognition result, and performing a multi-target optimization decision on the candidate ecological restoration scheme to obtain a restoration scheme decision result; performing simulation evaluation on the ecological evolution trend of the restoration scheme decision result based on a preset ecological space-time prediction model to obtain an ecological environment prediction result of the target geographic area in a future time period; and optimizing the restoration scheme decision result according to the ecological environment prediction result to obtain a target ecological restoration scheme. According to the invention, the accuracy of the obtained ecological restoration scheme is improved.

The invention relates to the technical field of ecological environment restoration, in particular to a method for low-disturbance improvement of soda salinized grassland, which comprises the following steps: applying a surfactant solution to determine that the infiltration promotion effect of a surfactant meets the requirement or does not meet the requirement, and determining a main limiting factor according to the pH value; a modifier solution is applied according to the adjusted improvement parameters, the modifier solution comprises organic acid and desulfurized gypsum, the wetting front advancing depth of the soil is obtained according to the initial detection period, and whether the wetting front of the soil can reach the target improvement depth or not is estimated; and according to the synergistic effect index, determining whether the degree that the combined use effect of the components is greater than the sum of the independent use effects of the components meets the expected requirement or not, and determining the judgment standard that the permeation promotion effect of the surfactant for adjusting the subsequent improvement circulation process does not meet the requirement and the initial detection period. The surfactant is combined with the modifier, so that the salinity and alkalinity of the soda salinized grassland are reduced, and the soil structure is improved.

The invention relates to composite modified biochar and a preparation method thereof, and belongs to the technical field of biochar preparation. In order to solve the problem that existing corn straw modified biochar is difficult to efficiently adsorb and convert water pollutants, the invention provides a preparation method of composite modified biochar, and the preparation method comprises the steps of corn straw pretreatment, acid modified biochar preparation and magnesium salt modified biochar preparation. The synergistic optimization of the microstructure and surface chemical properties of the biochar is realized through a combined process of ternary eutectic solvent pretreatment, citric acid-boric acid composite acid modification and magnesium chloride loading. The modified biochar has a high specific surface area and a developed mesoporous channel structure, provides sufficient adsorption space channels for water pollutants, solves the problem of insufficient adsorption performance of a traditional modified material, can effectively reduce the risk of water pollution, provides a low-cost and high-performance purification material for the field of environmental restoration, and has a wide application prospect.

The present application relates to ecological environment remediation technical field, specifically disclose a kind of river ecological environment remediation management method, comprising the following steps: step one: first, the river above needing ecological environment remediation is developed to a clean flow path to facilitate operation ship can pass through.The present application gradually winds in steel wire rope on steel wire rope reel, drives installation block to open to the end of agitation bar away from and incline upward, the end of installation block away from agitation bar inclines upward, drives agitation bar away from also incline upward, further so that several agitation bars present V shape, can facilitate agitation bar and agitation bar insertion river, avoid agitation bar and agitation bar when insertion river are blocked by aquatic plant, reduce the resistance between agitation bar and aquatic plant when insertion river, agitation bar and agitation bar outer wall agitation bar is in river depth, can be wound to the root of aquatic plant of river bottom, further the root of aquatic plant is wound on agitation bar and agitation bar.

The present application relates to the technical field of ecological environment restoration, solves the technical problems of lack of systematicness in aquatic plant configuration, insufficient optimization means and unstable community in the prior art, and particularly relates to a method for screening and planting of aquatic plant combination in lakeside zone based on complementary niches, which first constructs an ecological characteristic database, then calculates the niche complementarity index between aquatic plants and establishes a complementarity matrix. The non-dominated sorting genetic algorithm is used to optimize the aquatic plant combination to obtain an optimal aquatic plant combination. The selected aquatic plants are configured according to the suitable water depth, and feedback regulation is performed in combination with the ecological monitoring results to realize dynamic optimization of the community structure. The present application can fully consider the niche difference and functional complementarity of plants, and use quantitative indicators and intelligent algorithms for combination optimization to construct a more stable and functional plant community in the lakeside zone, and has significant ecological restoration and application promotion value.

An Aspergillus fumigatus for degrading soil microplastics and an application thereof are provided. The Aspergillus fumigatus has a preservation name of Aspergillus fumigatus F and is deposited at the China General Microbiological Culture Collection Center on Sep. 18, 2024 under CGMCC NO. 41513. The Aspergillus fumigatus F may grow in an environment with PE and PET as the only carbon sources, and may be used as a biodegradable microbial inoculum applied to harmless treatment, recycling and environmental restoration of microplastic resources.

The invention provides a preparation method of a double-Z type magnetic Fe2 (MoO4) 3 / MoO3 / Fe3O4 heterojunction visible-light-driven photocatalyst and application of the double-Z type magnetic Fe2 (MoO4) 3 / MoO3 / Fe3O4 heterojunction visible-light-driven photocatalyst in environmental remediation. The preparation method comprises the following steps: putting Fe2 (MoO4) 3 / MoO3 and Fe3O4 into a ball milling tank according to a certain proportion, carrying out mechanical ball milling, drying the obtained mixture, and calcining in an inert atmosphere; and washing and drying the calcined solid material to obtain the target catalyst. The double-Z-type magnetic heterojunction catalyst prepared by a simple mechanical ball milling-calcining method can efficiently activate persulfate under the irradiation of visible light, and is used for degrading organic pollutants in a water body. The method has the characteristics of simple process, low cost, environmental friendliness and the like, and the obtained catalyst has high catalytic activity and good magnetic recovery performance, and has wide application prospects in the fields of wastewater treatment and environmental restoration.

The invention relates to the technical field of ecological environment restoration, in particular to an abandoned mine ecological environment restoration method and system.The abandoned mine ecological environment restoration method comprises the steps that a plurality of temperature parameters and topographic parameters of all monitoring areas are obtained through an unmanned aerial vehicle carrying monitoring equipment to mark feature monitoring areas, and earth surface images of all the feature monitoring areas are obtained; judging whether the feature monitoring area has a deformation risk or not, constructing deformation trend characterization vectors based on the surface texture contour, performing homologous trend analysis on each deformation trend characterization vector, judging a land parcel trend category of the feature monitoring area, and determining an optimization strategy of environmental restoration according to the land parcel trend category. According to the method, the feature monitoring area with the freeze-thaw phenomenon can be rapidly identified, the optimization strategy of environment restoration is adaptively determined according to the actual deformation features in the area, and the reliability of abandoned mine ecological environment restoration is improved.

The invention relates to the technical field of microorganisms, in particular to a soil LiTFSI degrading bacterium and application thereof in the field of environmental remediation. The LiTFSI degrading bacteria are Pseudomonas nitroreducens LiT2 or LiT3, and the LiTFSI degrading bacteria are Pseudomonas nitroreducens LiT2 or LiT3, and the LiTFSI degrading bacteria are Pseudomonas nitroreducens LiT2 or LiT3. The strain is preserved in the Guangdong Microbial Culture Collection Center on December 01, 2025, the preservation address is the 5th floor of the building 59, 100 courtyard, Xianlie Middle Road, Guangzhou City, China, and the preservation numbers are respectively GDMCC No: 67389 and GDMCC No: 67390. The soil LiTFSI degrading bacterium can take LiTFSI as a unique carbon source, and has excellent degradation efficiency on LiTFSI. The invention also provides an environmental remediation microbial agent which can accurately and quickly intervene and strengthen the degradation process of LiTFSI in soil, so that the pollution level of LiTFSI and intermediate metabolites TFNH2 and TFOH thereof is obviously reduced.

The invention provides coal gangue-based artificial soil as well as a rapid curing method and application thereof, and belongs to the technical field of ecological environment restoration. The method comprises the following steps: raw material preparation: crushing coal gangue; mixing bionic peat, a silicon fertilizer, rare earth tailings, a fiber organic matter nutrient material and natural soil according to a mass ratio to obtain a rapid curing agent; uniformly mixing the treated coal gangue with the rapid curing agent prepared in the step S2 according to the mass ratio of (20-50): 1; and adding water into the uniformly mixed material, adjusting the water content of the material to 5-20%, then stacking, arranging a ventilation pore channel in a stacking body, curing for 7-15 days, and keeping the material wet during the period, thereby obtaining the coal gangue-based artificial soil. According to the matching and rapid curing method for the artificial soil, the curing time of the artificial soil is shortened, resource utilization of waste is achieved, the ecological restoration cost is reduced, remarkable economic benefits and ecological benefits are created, and wide application prospects are achieved.

The application discloses an open-pit coal mine ecological restoration method based on a biological-geological collaborative mechanism and relates to the technical field of ecological environment restoration, and comprises the following steps: S001, temperature sensing units and strain sensing units are arranged in a region to be restored; temperature and strain data under a day-night cycle are continuously collected; a thermal expansion coefficient difference distribution map and a stress concentration distribution map are generated based on data inversion; and a thermal diagnosis baseline is constructed.The application constructs a comprehensive restoration system of 'thermal diagnosis-structure optimization-dynamic regulation-crack self-healing-closed-loop feedback', solves the crack failure problem caused by thermal expansion and cold contraction differences in a mining area in a drought plateau, improves water retention, heat insulation and structural toughness, realizes long-term stability and self-adaptive operation of an ecological system, and fills the gap in the prior art.

The present application relates to a kind of high steep rock slope ecological restoration process, belong to ecological environment restoration technical field, including the following steps: S1 first obtains slope terrain data, then removes slope loose rock mass, and the smooth rock surface is mechanically roughened treatment;S2 on the slope after cleaning, tension and anchor the flexible active protection net covering the whole repair area;S3 install modular ecological planting unit, at the grid node of flexible active protection net, through planting anchor rod, the modular ecological bag pre-filled with composite ecological substrate is fixed;S4. Laying irrigation pipe network;S5 mixed plant seed liquid substrate is sprayed on slope;S6 intelligent precision maintenance.The present application, can the systematic integration of slope safety reinforcement, stable habitat construction, efficient resource supply and intelligent maintenance management, to realize the fundamental ecological restoration of high steep rock slope under the premise of economy, safety, long-term effect.

The utility model provides a root growth assisting device, which belongs to the technical field of ecological environment restoration and comprises a root guide pipe, a rooting shell, a water guide pipe and a water collector. The root guide tube is vertically arranged and is filled with a matrix; the rooting shell is fixedly mounted on the root guide tube, a mounting hole and a connecting hole are formed in the rooting shell, and the rooting shell is filled with a matrix; the water guide pipe penetrates through the mounting hole and is located in the rooting shell and the root guide pipe, the upper end of the water guide pipe is located above the rooting shell, and water seepage holes are formed in the pipe wall of the water guide pipe; the water collector is fixedly mounted at the upper end of the water guide pipe; the water collector is provided with a water inlet and a water outlet, and the water outlet is communicated with the water guide pipe. According to the root system growth auxiliary device, nutrient substances are provided for root system production by means of the matrix in the rooting process of the pressing strip, and water is collected by the water collector for precipitation or manual irrigation, so that water flow penetrates through the water guide pipe and the water seepage holes to enter the matrix, and the root system is induced to grow in an accelerated mode.

This invention belongs to the field of ecological environment restoration technology and discloses a method for ecological restoration of grassland vegetation in photovoltaic power station areas in Gobi deserts. The method uses planted semi-shrubs as the core framework, employing micro-topography modification and seedling technology to effectively stabilize and improve gravelly soil, enhancing the stability of the topsoil structure. A specific ratio of mixed grass seeds is sown within a 15-30cm radius around the planted plants, forming a semi-shrub-herbaceous multi-layered structure. The complementary functions and vertical stratification of these two types of grasses promote stable community succession. Furthermore, the application of a specific ratio of organic fertilizer and water-retaining agent improves the soil at the bottom of the planting pit. This method not only avoids the waste associated with large-scale seed sowing but also significantly improves seedling emergence and survival rates, rapidly increasing vegetation coverage, reducing maintenance frequency and costs, and has broad application prospects in the ecological restoration of gravelly land.

The invention belongs to the technical field of water body pollution treatment and ecological environment restoration, relates to development and application of microbial functional resources, and in particular relates to a water body authigenic nitrogen-fixing bacterium G12, a microbial agent, a fungus bag and application of the water body authigenic nitrogen-fixing bacterium G12. The water body authigenic azotobacter G12 is classified and named as Ralstania pickkettii, and is preserved in the China Center for Type Culture Collection, the preservation address is Wuhan University, Wuhan, No. 299, eight road, Wuchang District, Wuhan, the preservation number is CCTCC NO: M 20251602, and the preservation date is July 14, 2025. The strain has wide environmental adaptability, can maintain the activity of nitrogenase under the conditions of low oxygen, weak light and micronutrient element fluctuation, and has a self-limiting regulation and control mechanism of nitrogen fixation activity in the application process, and after the content of inorganic nitrogen is increased, the activity of nitrogenase is reduced, so that the ecological balance of nitrogen in a system is favorably maintained, and the risk of secondary pollution is reduced.

This invention provides a method for promoting the regeneration of declining shrublands, belonging to the field of ecological environment restoration technology. The method includes determining the quantity, density, and distribution pattern of the regeneration shrubland based on water resource endowment and natural shrub distribution patterns; using layering to regenerate flexible branch shrubs; preparing a layering-assisted rooting device, a substrate, and a rooting agent; the layering-assisted rooting device having a closed rooting cavity and a water collector connected to the rooting cavity, with the rooting cavity filled with substrate; installing the lower end of the layering-assisted rooting device in a recess, applying the rooting agent to the layering strip, and inserting the layering strip into the rooting cavity; checking the substrate moisture and the rooting condition of the layering strip, and replenishing water into the rooting cavity; after the roots on the layering strip have grown into the rooting cavity, cutting the layering strip to form an independent plant. This invention provides a method for promoting the regeneration of declining shrublands, improving the rooting speed during ecological environment restoration, while allowing for quick and convenient water replenishment.

The invention discloses a natural oyster reef ecological environment restoration method and system based on a symbiotic competition mechanism, and relates to the technical field of ecological environment restoration, and the method comprises the steps: collecting time series data, building a symbiotic competition relation graph based on the collected data and a graph neural network, recognizing potential key factors, and carrying out the feature importance analysis based on a random forest model. Screening out indication factors which are high in sensitivity and easy to monitor; calculating the ratio of a target area factor to a health group mean value, generating a factor characteristic curve, judging the degree that the factor deviates from a health state through a time domain characteristic, and formulating a basic restoration measure according to an indication factor threshold value; a reinforcement learning algorithm is introduced, and measure combination is dynamically optimized through real-time interaction with an ecological system. According to the invention, the factor influence weight is quantified through the random forest algorithm, and the indication factor identification accuracy is improved; reinforcement learning and real-time monitoring are combined, a restoration scheme can be adaptively adjusted according to ecological changes, and efficiency is improved.