1005results about "Water resource protection" patented technology

The invention discloses a distributed model-oriented medium and small watershed sub-watershed division method, which comprises the following steps of S1, collecting digital elevation model data, performing depression filling processing, and extracting preliminary river network information; s2, extracting an actual water system, and calculating a river network main stream grid elevation difference; s3, adjusting digital elevation model data according to the elevation difference, and optimizing a river network extraction result; s4, basin morphological parameters are calculated, and basin classification is carried out through a manifold learning method; s5, constructing a sub-basin optimal threshold calculation model, and dynamically adjusting a sub-basin division threshold; s6, flow direction calculation, confluence analysis and sub-basin division are carried out, and sub-basin boundaries are optimized; and S7, verification is carried out in combination with the distributed hydrological model, the influence of the division result is analyzed, and sub-basin division parameters are optimized. According to the method, multi-scale features, dynamic threshold optimization and hydrological network topology are fused, sub-basin division precision, boundary continuity and hydrological simulation stability are improved, and intelligent basin division is realized.

The invention relates to the technical field of mountainous river fish habitat habitat restoration, and relates to a mountainous river fish habitat restoration method based on numerical simulation optimization, comprising: acquiring habitat data of a mountainous river fish habitat, and performing preliminary ecological restoration measures on the mountainous river fish habitat; constructing a numerical simulation model to predict the erosion and deposition evolution result of the fish habitat in the mountain river after the preliminary ecological restoration in a set period, and identifying an area of which the erosion and deposition evolution degree meets a preset threshold value in the set period; and carrying out riverbed substrate transformation on the identified area based on the target fish, evaluating the habitat improvement effect under the combined action of the preliminary ecological restoration measure and the riverbed substrate transformation through a habitat suitability model, and completing the restoration of the fish habitat in the mountain river based on the evaluation result. According to the method, dredging, spur dike and substrate transformation are combined, and numerical simulation optimization is combined, so that the effectiveness, continuity and scientificity of restoration of the fish habitat in the mountain river are improved.

The invention discloses a large and medium shallow lake water quality improving method based on hydrodynamic optimization and vegetation community restoration, and relates to the technical field of lake treatment and ecological restoration. Comprising the following steps: step 1, reducing lake-entering pollution load; arranging an in-and-out river mouth sediment settling reservoir to increase a river mouth water-passing section; 2, high-concentration water entering the lake and low-concentration water in the lake body are isolated; remodeling a near-shore area terrain of a shore zone where the lake-entering river channel is located, and arranging an ecological submerged beach, a drainage groove and a mud flow capturing groove; 3, improving the habitat of the aquatic plants on the large water surface; designing matrix purse seine units for flow choking and wave dissipation; a plurality of matrix purse seine units are designed to spatially separate a large water surface, and floating plants are fixed in a local area by using the matrix purse seine units; 4, preparing an aquatic plant community; and recovering pioneer floating-leaf plants and submerged plants. According to the method, a hydrodynamic optimization project and a vegetation community reconstruction project are combined, the water quality is improved, and the ecological system structures of large and medium-sized shallow lakes are improved.

The invention discloses a river flow missing data reconstruction method, which comprises the following steps of S1, constructing a river network topological structure, and quantifying hydraulic correlation; s2, spatio-temporal feature fusion and multi-source information extraction; s3, performing multi-task cooperative flow reconstruction and confidence coefficient prediction; s4, dynamic weighting and result correction of meteorological factors; and S5, performing anomaly detection and model dynamic updating. According to the method, a river flow missing data reconstruction method is set, the steps are mutually fused and used, and topology-aware space-time diagram convolution is performed: a river network topology structure is encoded into a weighted adjacency matrix for the first time, space correlation features are extracted through a diagram convolution network, and the problem that a traditional method ignores hydraulic connection is solved; a multi-task collaborative learning mechanism: synchronously outputting a flow reconstruction value and confidence, combining topological smooth constraints, and realizing reconstruction reliability quantification while ensuring precision; and meteorological dynamic weighted correction: dynamically adjusting the node weight based on the real-time rainfall intensity, and accurately adapting to the nonlinear response of the water flow in the heavy rainfall period.

The invention discloses a river and lake polluted bottom mud environment-friendly dredging and solidification treatment continuous treatment method, and relates to the technical field of environmental protection engineering.The method comprises the following components of S100, ecological dredging control range and depth, S200, bottom mud conveying and dewatering, S300, solidification treatment and resource utilization, and S400, residual water treatment and recycling. According to the method, the control range and depth of ecological dredging are accurately determined, the influence of the flow speed and the flow direction on migration and transformation of bottom mud pollutants is simulated through a hydrodynamic model, large-scale release of the pollutants in the dredging process is effectively avoided, meanwhile, in the bottom mud conveying and dewatering stage, efficient conveying equipment and an optimized filtering device are adopted, and the efficiency is improved. Disturbance and release of the bottom mud in the conveying and dewatering process are reduced, and the risk of secondary pollution is further reduced.

The invention belongs to the technical field of riverway treatment, and particularly relates to a riverway sewage ecological restoration treatment device and a method thereof.The riverway sewage ecological restoration treatment device comprises a riverway body and further comprises an intercepting assembly installed in the riverway body, the intercepting assembly comprises an intercepting filter screen, and a water outlet channel is fixed to one side of the intercepting filter screen; the device comprises a river channel body, the surface of the river channel body is rotatably connected with a bidirectional reciprocating screw rod, the surface of the river channel body is in screw connection with a driving motor, the two sides of the surface of the bidirectional reciprocating screw rod are symmetrically in threaded connection with dirt pushing plates, and mud pushing plates are fixed to the bottom ends of the dirt pushing plates. According to the invention, different types of garbage impurities (water surface garbage and river bottom sludge) in the river sewage can be cleaned, multi-stage restoration treatment of the river sewage is completed, the problem of river pollution is solved from multiple aspects, the ecological environment of the river is comprehensively improved, the self-purification capacity of the river is recovered, and the balance and stability of the ecological system of the river are promoted.

The invention relates to a river network grading system and method based on a graph theory and confluence cumulant, and belongs to the technical field of water conservancy projects and geographic information. Comprising the following steps: acquiring original DEM data and water system data, and converting the water system data to a preset projection coordinate system; extracting a primary river network based on the DEM data, and screening the primary river network in combination with the length of the river network and the area of the drainage basin to obtain a simplified river network; river network flow calculation: carrying out flow assignment on each river network element in the simplified river network based on the confluence cumulant; graph theory modeling: abstracting the simplified river network into a directed graph model; and river network grading: reverse tracing is carried out by taking the water outlet as a starting point, and the hierarchical relationship between the trunk and the branch is determined by combining the in-degree / out-degree and the edge weight of the node, so that river network grading is realized. According to the method, river network grading is upgraded from morphological description to hydrological function description, and the method is suitable for high-precision river network refined analysis, intelligent water conservancy emergency management and other scenes.

The invention relates to the technical field of ecological restoration and carbon sink evaluation, and discloses a river and lake ecological buffer zone carbon sink potential evaluation and restoration construction system which comprises a carbon sink potential evaluation module, an intelligent restoration construction module and a collaborative verification module. The carbon sink potential evaluation module is used for collecting soil and vegetation data and calculating the carbon sink potential; the intelligent restoration construction module executes ecological restoration based on a carbon sink potential evaluation result; and the collaborative verification module verifies the repair effect through multi-source data fusion, and returns an optimization instruction to the carbon sink potential evaluation module and the intelligent repair construction module. The vegetation coverage index and the root biomass density are acquired by using a multispectral sensor array, a carbon sink model is constructed by combining the organic carbon content of soil, dynamic weight adjustment is introduced, and the weight is updated according to aerial survey data of an unmanned aerial vehicle in each quarter, so that a more accurate and more economical carbon sink potential evaluation basis can be provided for ecological restoration, and the ecological restoration efficiency is improved. And resource waste and invalid repair are avoided.

The invention belongs to the technical field of assembly type shoreline component design optimization, and particularly relates to an assembly type shoreline component design optimization system. According to the method, the environmental conditions, biological conditions and future demands of the river and lake shoreline are comprehensively considered, rapid optimization of assembly type shoreline component design is achieved by utilizing an intelligent analysis technology, river and lake condition parameters and biological condition parameters of the target shoreline can be automatically obtained and analyzed, future demand parameters are predicted, and the design efficiency is improved. According to the method, the optimal component material, size and connection mode meeting the target shoreline requirement can be screened out through material optimization and structure optimization, an optimal assembly scheme is generated, in addition, a feedback mechanism is further provided, the optimized component design parameters can be comprehensively evaluated, and the optimal assembly scheme is obtained. And carrying out iterative optimization according to an evaluation result until a preset comprehensive feasibility score and an ecological friendliness index are reached, and outputting a final design scheme.

The utility model relates to the technical field of river dredging, in particular to a dredged soil transfer device for river dredging, which comprises a blanking barrel, a bearing device is fixedly connected to the lower part of the outer surface of the storage barrel, a blanking pipe is fixedly connected to the lower part of the outer surface of the storage barrel, and a turnover device is fixedly connected to the middle of the right end of the blanking barrel; the overturning device comprises a driving motor, and the output end of the driving motor penetrates through the discharging barrel and is fixedly connected with a rotating rod. According to the dredged soil transfer device for river dredging, the turnover device, the bearing device and the connecting assembly are arranged, dredged soil is prevented from being blocked in the discharging barrel, it is ensured that the dredged soil can flow smoothly, the risk that the device is damaged due to blockage is reduced, the whole device can be kept stable under different ground conditions, and the service life of the device is prolonged. The applicability of the transfer device under various complex terrains and working conditions is greatly enhanced, and the transfer device is not limited by specific construction environments any more.

The utility model provides an ecological restoration device for a river channel, and belongs to the technical field of ecological restoration of water pollution. The problem that in the prior art, an ecological restoration device is poor in water purification capacity is solved. The ecological restoration device for the river channel comprises a fixed frame and a floating table which is movably connected to the upper portion of the fixed frame and used for planting aquatic plants, the fixed frame is provided with four supporting columns, a plurality of bionic aquatic plants are arranged on the fixed frame and extend in the length direction of the supporting columns, and the floating table is movably connected to the upper portion of the fixed frame. The lower ends of the bionic aquatic plants extend to the lower end of the fixing frame and are fixed, connecting columns are arranged at the four corners of the floating table, and the four connecting columns of the floating table are inserted into the four supporting columns of the fixing frame correspondingly. And the connecting column can stretch up and down relative to the supporting column so that the floating table can float up and down along with the height of the water level of the river channel. The ecological restoration device has the advantage of being capable of improving the purification capacity of the ecological restoration device on water.

The invention discloses a comprehensive data analysis-based river ecological restoration effect evaluation method, and particularly relates to the technical field of ecological restoration evaluation.The method comprises the steps of obtaining ecological function data and ecological structure data of a river restoration area, analyzing the ecological function data in combination with a deep learning model, and constructing a vertical distribution model of photosynthesis efficiency; evaluating photosynthesis contribution differences of different water depth levels; on the basis of ecological structure data, monitoring migration characteristics of key nutrients of a vegetation and bottom mud interface, and quantifying a dynamic relationship between nutrition supply and demand balance and vegetation growth recovery by using an interface coupling model; comprehensively analyzing a photosynthesis contribution difference and a nutrition supply and demand dynamic relationship, and generating a comprehensive evaluation index reflecting a vegetation health state and an ecological restoration degree; and based on the evaluation indexes, the restoration effects are graded, a restoration effect distribution diagram and statistical data are generated, and finally an ecological restoration effect report is output.

The utility model provides an ecological restoration device for a river channel, which belongs to the technical field of ecological restoration and comprises a support. The first connecting seat is fixedly connected to the lower end of the bracket; the second connecting seat is fixedly connected to the upper end of the bracket; the first rotating rod is rotationally connected to the first connecting seat, and a first chain wheel is fixedly connected to the first rotating rod; the second rotating rod is rotationally connected to the second connecting base, the scraping plate driven by the motor is used for desilting work, the device can efficiently remove sludge and floating objects in a river channel, through the design of the scraping plate and the operation mode of the device, it can be ensured that a riverbed is thoroughly cleaned, meanwhile, interference to the water body and riverbed ecology is reduced, and the water quality is improved. Therefore, the river channel can be kept unblocked, the water quality can be improved, and a healthy living environment can be provided for aquatic organisms.

The invention discloses an ecological restoration method and system based on riverway monitoring, and the method comprises the steps: obtaining the water velocity data of a target riverway, and calculating the trend component and fluctuation component of the water velocity data according to a discrete wavelet transform method; the method comprises the following steps: acquiring dissolved oxygen data, ph value data and turbidity data of a target river channel, and respectively preprocessing the dissolved oxygen data, the ph value data and the turbidity data to obtain a change rate of the dissolved oxygen data, a mapping relation function of a ph value and aeration intensity and a fractal dimension of the turbidity data; constructing a comprehensive adjustment factor according to the trend component, the fluctuation component, the change rate, the mapping relation function and the fractal dimension; and inputting the comprehensive adjustment factor into a pre-constructed LSTM model for prediction to obtain an ideal adjustment factor of the target river channel, and adjusting the aeration intensity of the target river channel according to the ideal adjustment factor to realize ecological restoration of the target river channel. According to the method provided by the invention, the accuracy of ecological monitoring of the river channel is improved.

The invention discloses a three-dimensional terrain construction method based on multi-modal semantic constraints, and relates to the technical field of three-dimensional terrain modelling, and the method comprises the steps: obtaining an optical remote sensing image and a digital earth surface model, constructing unified space reference data, and carrying out the joint semantic analysis of ground features under the guidance of the multi-modal semantic constraints; generating a semantic mask set with structural consistency; further performing regional geometric reconstruction on the digital earth surface model on the basis of a mapping relation between semantic categories and earth surface physical attributes to form a three-dimensional terrain entity conforming to ground feature space expression characteristics; meanwhile, by analyzing the project cost document and extracting the project cost data with spatial directivity, under the constraint of spatial consistency and semantic consistency, the project cost information and the three-dimensional topographic entity are subjected to association mapping, and finally a three-dimensional topographic data result fusing topographic geometric information and project economic attributes is formed.

The invention provides an in-situ curing and repairing method for heavy metals in river sediment. The in-situ curing and repairing method comprises the following steps: S1, detecting the content and physicochemical properties of the heavy metals in the river sediment; s2, designing a repair material formula; s3, preparing and putting a repairing material; s4, mixing and stirring the bottom mud and the repairing material; s5, monitoring and evaluating the repairing effect; and S6, repairing effect feedback and adjustment. According to the method, multiple linear regression, curved surface fitting, self-organizing mapping and mixed density network algorithms are fused, the sediment heavy metal content and physicochemical property data are fully utilized, a repair material formula can be accurately designed, and compared with a traditional single algorithm or empirical formula design, the repair material proportion can better fit the actual pollution condition, and the repair efficiency is improved. The utilization rate of repair materials is improved.

The invention provides a river sediment physical habitat evolution identification method, device and system and a medium. The method comprises the following steps: acquiring a multi-temporal remote sensing image and hydrological data (flow Q, water level Zw and slope S), screening and other hydrological condition image pairs; extracting a water surface range, and calculating the average width B of the main groove; deducing the average water depth h by using a Manning formula, and calculating the riverbed elevation zbed by combining the Zw; the difference value delta zbed of zbed in different periods is calculated, and the substrate state is judged according to the difference value delta zbed and a threshold value epsilon; and performing segment processing along the center line to output a spatial distribution result. On-site measurement is not needed by relying on conventional data, and consumption is reduced; water level interference is eliminated through equal hydrological condition matching, and comparability is ensured; water depth inversion and differential analysis directly reflect scour deposition and quantitatively reveal rules; long-distance automatic processing improves space-time coverage capability and precision, and provides a basis for river regulation, ecological restoration and drainage basin management.

The invention relates to the field of riverway ecological protection, in particular to vegetation restoration equipment for riverway ecological protection and a restoration method. A drainage shell is movably arranged on the side, away from the river bank, of the fixing plate in the vertical direction and located at the front end of the floating plate, a first opening is formed in the end, in the length direction, of the drainage shell, water flow of the river flows into the drainage shell from the first opening, and an adsorption groove is formed in the side wall, away from the fixing plate, of the drainage shell in a penetrating mode. A net cage is arranged in the drainage shell, is located in the drainage shell and is located on one side of the adsorption tank, the drainage shell is divided into a first drainage channel and a second drainage channel by the net cage, water flowing into the drainage shell from a first opening of the drainage shell enters the first drainage channel, and water flowing into the drainage shell from the adsorption tank enters the second drainage channel; a lifting box is arranged in the net cage in the vertical direction in a reciprocating mode, and a second opening is formed in the upper portion of the lifting box. The garbage intercepting device improves the garbage intercepting effect.

The invention belongs to the technical field of image target recognition, and particularly provides a data augmentation and YOLO improvement-based accurate river target detection method, which comprises the following steps of: acquiring a river water surface target image, and augmenting the river water surface target image by using a multi-data augmentation strategy to obtain an augmented image; a re-parameterization variable attention feature extraction module and a multi-branch fusion reconstruction module are introduced into the YOLO network, and the augmented image is combined to construct a riverway water surface target detection model; and performing target detection on a to-be-detected riverway water surface target image based on the riverway water surface target detection model to obtain a target detection result. Through data augmentation and multi-module design, the detection capability of the model on few samples, small targets and multi-scale targets is improved, complex background interference is effectively inhibited, and the method is more suitable for river scenes.

The utility model provides a double-water-outlet faucet structure. A first water pipe and a second water pipe which are independent are arranged in a stand column of the double-water-outlet faucet structure. The lower fixed connector is located at the axial upper end of the stand column, a first annular water channel on the peripheral side of the lower fixed connector is communicated with a first water pipe, the lower movable connector is rotationally arranged outside in a sleeving mode and provided with a first water outlet nozzle, the lower movable connector is sleeved with the lower rotary arm, an inner first water outlet channel is connected with the first water outlet nozzle, and a lower water outlet is formed in the tail end of the lower rotary arm. A second annular water channel on the peripheral side of the upper rotating arm is communicated with a second water pipe, the upper movable connector is arranged outside in a sleeved mode and provided with a second water outlet nozzle, the upper rotating arm is arranged outside in a sleeved mode, a second water outlet channel inside the upper rotating arm is connected with the second water outlet nozzle, and an upper water outlet is formed in the tail end of the upper rotating arm. Diversified water use requirements are met, water use convenience and flexibility are improved, the defect that installation is limited in places can be overcome, and the application range of faucet products is widened.

The invention relates to the technical field of model construction, and provides a river channel hydrodynamic model construction method based on multi-source remote sensing, and the method comprises the steps: obtaining a river channel remote sensing image so as to obtain a waterline, obtaining water level data through a height measurement satellite, and giving an elevation value to a point location corresponding to the waterline according to the waterline and the water level data; the straight river reach is valued according to a specific rule, and the curved river reach is determined according to linear fitting of a plurality of elevation measuring point values on the river section; based on the waterline elevation values of the straight and curved river reach, interpolation is further carried out along the waterline, a riverway terrain digital grid model is constructed, a riverway hydrodynamic model is constructed by using the riverway terrain digital grid model, and the simulation effect of the hydrodynamic model is judged by comparing the water level consistency or the water surface vector form consistency. And calibration and verification of the river hydrodynamic model are realized. And accurate simulation of the river hydrodynamic process is realized. According to the method, the model parameter acquisition cost can be reduced.

The invention discloses a river and lake sludge dewatering and curing ecological bank protection process. Ecological bank protection construction is achieved through in-situ resourceful treatment of sludge. The process comprises the following steps: firstly, pressing natural wood piles into the bottom of a bank slope to form a comb-shaped anti-sliding bent frame, and paving high-strength permeable geotextile pipe bags between the piles and the bank slope; bottom mud is extracted by adopting mud suction equipment, is modified by a flocculating agent and then is injected into a tubular bag in a layered manner, and gravity dehydration is completed by utilizing the permeable characteristic of tubular bag fabric; the tops of the pipe bags are backfilled with stacking materials for graded stacking, and solidification is accelerated through external pressurization to form a stable bank protection filling body; and finally, the surface layer is covered with planting soil, moisture-proof plants are planted, and the composite revetment with the permeation drainage function and the ecological function is constructed. Compared with a traditional technology, the technology effectively solves the problems of bottom mud outward transportation pollution and resource waste through triple synergy of geotextile tube bag gravity dehydration, natural timber pile stability enhancement, building body strength improvement through graded stacking and loading and the like, and the formed revetment has ecological restoration and landscape functions. The method is suitable for ecological restoration of rivers and lakes, wetland reconstruction and waterfront environment treatment, and has the comprehensive advantages of convenience in construction, environmental friendliness, economy and high efficiency.

A flush toilet comprises a bowl including a waste receiving surface and a rim, a discharge trap conduit, a spouting portion provided in the bowl to spout the flush water, a flush water supply device configured to supply the flush water to the spouting portion, a waste information acquisition device configured to acquire an information regarding the waste excreted in the bowl, and a controller configured to determine a waste state by using the information regarding the waste and control the flush water supply device based on determination of the waste state. The controller controls the flush water supply device based on the determination of the waste state of the waste for each flush to the toilet so as to change a spout mode of the flush water spouted from the spouting portion

The invention relates to the technical field of ecological restoration, in particular to a novel ecological base material for ecological restoration of a river bank side slope and a preparation method and application of the novel ecological base material. The novel ecological base material is prepared from the following raw materials: planting soil, basalt fibers, nano silicon dioxide and cement. The preparation method comprises the following steps: taking the planting soil, crushing, air-drying, and sieving with a 2mm screen; and uniformly mixing and stirring the sieved planting soil, basalt fibers, nano silicon dioxide and cement to obtain a solid mixture, adding water into the solid mixture until the water content is 18.5-19.5%, and uniformly stirring to obtain the novel ecological base material. According to the novel ecological base material, the strength of soil can be greatly improved, the toughness of the soil is improved, the cracking resistance of a soil body is enhanced, dependence on cement is reduced, and carbon emission can be reduced; and on the other hand, the base material has a certain gain effect on plant growth, further has a remarkable promotion effect on adjustment of soil properties and hydrological environment, and also has a positive effect on carbon sequestration.

The invention provides a hydraulic reclamation area storage yard foundation treatment construction method which comprises the steps that a treatment area is divided into a consolidated hydraulic reclamation sand area, a storage sand area and a new hydraulic reclamation sand area according to the formation time and compactness difference of strata, a three-dimensional drainage system is laid in the new hydraulic reclamation sand area and comprises a horizontal permeable gabion wall and a vertical drainage plate, and a gravity drainage channel is formed; the process of forming a drainage channel through vibroflotation and then carrying out dynamic compaction and densification is adopted in a consolidated area, the process of alternately implementing vibroflotation and dynamic compaction is adopted in a sand stockpiling area, the process of carrying out local vibroflotation reinforcement after layered dynamic compaction and pre-pressing is adopted in a new hydraulic reclamation area, and vibroflotation and dynamic compaction construction parameters are dynamically fed back and adjusted by monitoring gravel data. The foundation treatment problem of hydraulic reclamation areas formed in different years is solved.

The invention discloses a bottom mud locking agent putting device for river and lake ecological restoration engineering, and relates to the field of river and lake ecological restoration, the bottom mud locking agent putting device comprises a putting device, the putting device adopts a funnel-shaped structure with a large upper opening and a small lower opening, a putting opening is formed in the bottom of the putting device along the length direction, and a quantitative feeding assembly is arranged in the putting opening; the quantitative feeding assembly comprises a main shaft and partition plates, the main shaft is rotationally installed in the length direction of the feeding opening, the multiple partition plates are distributed on the outer wall of the main shaft in an annular array mode in the length direction, and multiple spaces capable of containing the bottom mud locking agent with the fixed volume are formed between the multiple partition plates and the inner wall of the feeding opening; a driving motor in transmission connection with the main shaft is mounted at one end of the feeding device. Based on the solid granular bottom mud locking agent, the quantitative feeding assembly is adopted for controlling feeding, the feeding speed of the quantitative feeding assembly can be directly controlled by controlling the rotating speed of the driving motor, and therefore control is convenient.

A faucet comprises a faucet body, a water outlet panel, and a panel water outlet pipe. The water outlet panel is configured to be arranged separately from the faucet body, and a valve seat comprises a water passage respectively connected to a first valve and a second valve. The first valve is in communication with hot water and cold water to form mixed water that is in communication with the water passage, and the second valve is configured to receive the mixed water and is configure to be controlled to enable the mixed water to be in communication with the water outlet panel. The faucet body comprises a water outlet terminal, the water outlet panel comprises a water outlet port, and the first valve is configured to be controlled to enable the mixed water to be in communication with the water outlet terminal.

The invention provides a wetland flagship species habitat restoration method based on corridor construction. Belongs to the technical field of wetland ecological engineering. The method specifically comprises the following steps: 1, site selection of a restoration area and comparative background investigation; 2, riverbed stair transformation and local micro-landform construction; 3, seasonal hydrological regulation and vegetation directional assembly; 4, food source organism allocation and bionic nest site building; and 5, corridor coverage type management and control and sustainability evaluation are carried out. The method is clear in principle and high in operability, the ecological corridor between the natural wetland plaques can be effectively constructed through the degraded wetland, targeted supply of food source biological resources is achieved, the construction thought conforms to the close-to-nature restoration concept, and no engineering potential safety hazards or risks disturbing health of ecological systems of natural habitats of wetland flagship species exist.

The utility model discloses a micro-water closestool flushing device. Comprising a water storage tank, a flushing system and a water inlet system, wherein the flushing system comprises a flushing tank with a water inlet and a water outlet, and a water pressing piston is arranged in the flushing tank; a pressing handle is arranged on the water pressing piston; the pressing handle is upwards led out of the water storage tank; one-way valves are arranged at the water inlet and the water outlet; a reset spring is arranged between the inner surface of the water pressing piston and the bottom of the flushing tank. According to the flushing device, a high-pressure micro-water technology is adopted, namely, pressure energy and gravitational potential energy of water can be converted into flushing kinetic energy through pressing, so that excrement is effectively flushed and swept, therefore, the flushing device has an obvious water-saving effect, the amount of water required for flushing each time is small, and water resources are saved.

The utility model provides a three-dimensional river water ecological restoration auxiliary device, including a main body component, the main body component includes a support column, a motor, a screw rod, a connecting rod, a salvage plate, a baffle, a support rod and a blocking net; a motor is installed on the top of the support column, the output shaft of the motor is fixedly connected to one end of the screw rod, the screw rod is rotatably connected to the inner wall of the support column, and the outer wall of the screw rod is threadedly connected with a connecting rod. The utility model intercepts floating objects on the water surface through a blocking net, and drives the salvage plate to move through a motor, so as to salvage floating pollutants in the water body and reduce the pollution of the river water body by floating objects. The pH value, turbidity and dissolved oxygen value of the water body are respectively monitored by a pH value detector, a turbidity meter and a dissolved oxygen detector, and corresponding measures are taken to repair the pollution of the river water body, which plays a better auxiliary role in water pollution repair and improves the water body repair effect.