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28 results about "Salt marsh" patented technology

A salt marsh or saltmarsh, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open saltwater or brackish water that is regularly flooded by the tides. It is dominated by dense stands of salt-tolerant plants such as herbs, grasses, or low shrubs. These plants are terrestrial in origin and are essential to the stability of the salt marsh in trapping and binding sediments. Salt marshes play a large role in the aquatic food web and the delivery of nutrients to coastal waters. They also support terrestrial animals and provide coastal protection.

Coastal salt marsh ecosystem climate regulation service material quantity accounting method

The invention relates to the field of ecological environment monitoring technology and ecological value evaluation accounting, in particular to a coastal salt marsh ecosystem climate regulation service material quantity accounting method, which comprises the following steps: S1, based on years of meteorological and ecological investigation monitoring data, extracting a response relationship of temperature and humidity to climate regulation positive utility, and calculating the climate regulation service material quantity of a coastal salt marsh ecosystem; constructing a response curve and dividing an enhancement region, an attenuation region and a reversal region; s2, screening forward contribution time periods according to utility partitions, identifying boundary fluctuation and mutation behaviors, and generating an adjustment utility validity period list; and S3, generating a contribution settlement table and converting the contribution settlement table into energy and matter quantity indexes according to the ecological type and the adjustment effectiveness in the block settlement validity period, and completing the adjustment service matter quantity accounting. According to the invention, through critical zone identification, validity period screening and multi-stage mapping conversion, high-precision, space-time sensitive and energy equivalent accounting of the climate regulation service material quality of the coastal salt marsh ecosystem is realized.
Owner:FIRST INSTITUTE OF OCEANOGRAPHY MNR

Wetland water replenishing regulation and control method for salt marsh grassland in arid region and related device

The invention provides an arid region salt marsh grassland wetland water supplement regulation and control method and a related device, and the method comprises the steps: determining the ecological water demand and deficiency corresponding to a target region according to the wetland vegetation evapotranspiration, precipitation and underground water-soil water exchange flux of the target region in a target time period, the target area is any area in the salt marsh grassland wetland in the arid area; determining a water quantity adaptive gap corresponding to the target area according to the earth surface water supplementing quantity and the ecological water demand deficit quantity of the target area in the target time period; and performing water supplementing regulation and control on the target area according to the water quantity adaptive gap. According to the accurate evaluation result of the water volume adaptation gap, a refined drip irrigation technology is adopted to carry out ecological water supplementation on the salt marsh grassland wetland, the requirements of plants for water in all stages of the whole life cycle are ensured, and the stability and adaptability of a wetland ecological system are improved; and multi-target collaborative development of hydrological communication, biodiversity improvement, habitat optimization and the like of the wetland ecosystem is realized.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Ecological restoration structure for coastal salt marsh land

The utility model discloses a coastal salt marsh land ecological restoration structure which comprises a saline-alkali soil layer, a drainage blind ditch is arranged on the saline-alkali soil layer, and a cobblestone layer is arranged in the drainage blind ditch. The saline-alkali soil layer is covered with the planting layer, the planting layer is arranged in a wave shape, a plurality of planting holes are formed in the planting layer, plants are planted in the planting holes, isolation layers are arranged between the plants and the planting holes, drainage channels are arranged below the planting holes, through holes are formed in the drainage channels, and the isolation layers and the drainage channels are communicated through the through holes; the blind pipe is arranged below the wave trough of the wavy planting layer, a first water pipe is arranged on the blind pipe, reverse filter geotechnical cloth is arranged between an opening of the first water pipe and the planting layer, and the blind pipe is connected with the drainage channel through a second water pipe. Compared with the prior art, the saline-alkali water can be prevented from backtracking, the survival rate of plant planting is improved, and ecological restoration of the coastal salt marsh desert land is facilitated.
Owner:SUZHOU GOLD MANTIS GREEN LANDSCAPE LIMITED

A method for oyster reef restoration based on construction of an attachment substrate from plant material

The application discloses a kind of oyster reef repair methods based on plant material construction attachment matrix, it is related to the technical field of coastal zone ecological restoration.The repair method includes the following steps: S1, selecting plant material, the stem of salt marsh plant is the plant material;S2, the plant material is cut into segments and pretreated, and an attachment matrix assembly is prepared;S3, a plurality of the attachment matrix assemblies are tied and connected to form an attachment matrix unit, the attachment matrix unit is arranged in a matrix, is vertically fixed on the surface of a bearing member, and forms a deployable matrix structure unit;S4, the matrix structure unit is laid in the target repair area, and is fixed to the base by anchoring assembly.The plant material of the application maintains structural durability during the oyster attachment period, and is completely degraded naturally in the later period;It reduces the dependence on hard artificial matrix, has a wide source of materials, is easy to construct, has remarkable repair effect, and is suitable for oyster reef repair in intertidal zone or shallow water area and other areas where natural attachment matrix is lacking.
Owner:FUDAN UNIVERSITY

Interactive training system for desalination and domestication of young crabs in saline-alkali soil, salinity regulation and control model optimization method, equipment and medium

The invention provides a blue crab saline-alkali soil seedling desalination and domestication interactive training system, a salinity regulation and control model optimization method, equipment and a medium, a dynamic physiological response model is obtained by establishing a blue crab seedling salinity stress response model and performing parameter estimation and calibration based on actual breeding data; carrying out global sensitivity analysis according to the dynamic physiological response model, and determining a physiological tolerance interval of key regulatory factors related to the desalination and domestication salinity of the juvenile green crabs; carrying out numerical optimization calculation by taking the daily decreasing amplitude of salinity and the stage stable time as decision variables and the maximization of the survival rate of the fries as an optimization target to obtain an optimal combination; and determining an optimal target salinity set value of each desalination stage according to the physiological tolerance interval and an optimization result, and constructing a gradient desalination regulation and control strategy. By adopting the scheme of the application, the optimization of the salinity regulation model can be realized, and the stability and the efficiency of desalination and domestication of the young green crabs are improved.
Owner:EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

Multi-factor-driven coastal salt marsh wetland blue carbon potential evaluation method

The invention relates to a multi-factor-driven coastal salt marsh wetland blue carbon potential evaluation method, which comprises the following steps: acquiring coastal salt marsh wetland area data, and preprocessing; evaluating the dynamic change trend of the coastal salt marsh wetland by using a PLUS model; predicting the appropriate distribution probability of different salt marsh wetland vegetation by using a Maxent model, and obtaining the spatial distribution result of different salt marsh wetland vegetation in the future; evaluating the blue carbon potential of the coastal salt marsh wetland by using an InVEST model to obtain the blue carbon potential of each vegetation of the coastal salt marsh wetland; and carrying out weighted stacking on the blue carbon potential of different salt marsh wetland vegetation of the coastal salt marsh wetland. The method has the beneficial effects that efficient and accurate evaluation of the blue carbon potential of the coastal salt marsh wetland is realized through multi-model collaboration and data driving.
Owner:NINGBO UNIV

Coastal salt marsh wetland non-photosynthetic vegetation coverage inversion method

The invention discloses a coastal salt marsh wetland non-photosynthetic vegetation coverage inversion method, which comprises the following steps: S1, obtaining hyperspectral reflection curves of soil, non-photosynthetic vegetation and photosynthetic vegetation of the coastal salt marsh wetland of the Yellow River Delta, simulating and measuring spectral characteristics of samples under different moisture contents (dry, low humidity, medium humidity and saturation) in a laboratory, and calculating the coverage of the non-photosynthetic vegetation in the coastal salt marsh wetland; key wave bands of non-photosynthetic vegetation and other ground features are screened and distinguished; s2, constructing a moisture-insensitive hyperspectral NPV index (MINI), and determining an optimal wave band combination through wave band traversal; and S3, constructing mixed data of soil, non-photosynthetic vegetation and photosynthetic vegetation under different moisture conditions in a laboratory, and evaluating inversion precision and stability of MINI under different moisture conditions. S4, acquiring a coastal salt marsh wetland hyperspectral image, and calculating an NDVI value and an MINI index value based on the processed image; and S5, performing spectral unmixing on the mixed pixels based on a triangular space method, and inverting the non-photosynthetic vegetation, photosynthetic vegetation and soil coverage of the research area. The method provided by the invention solves the technical problems of low precision and poor stability of the traditional NPV index inversion coverage under the condition that the coastal salt marsh wetland is influenced by tides and the moisture change is obvious.
Owner:CAPITAL NORMAL UNIVERSITY

Servo drive control method and system based on PID (Proportion Integration Differentiation)

The invention provides a PID-based servo drive control method and system, and relates to the technical field of servo drive control, and the method comprises the steps: obtaining robot capture operation videos of salt marsh wetland small arthropomorphic organisms under different mechanical claw clamping forces; based on the operation information under the clamping force of each mechanical claw, the lower-limit clamping force of the anti-disengaging mechanical claw and the upper-limit clamping force of the protective mechanical claw are determined; determining a plurality of first mechanical claw clamping forces based on the anti-falling lower limit mechanical claw clamping force, the nursing upper limit mechanical claw clamping force and the operation information under each mechanical claw clamping force; the robot based on the multiple first mechanical claw clamping force captures the operation video of the salt marsh wetland small joint limb type organisms to determine the target mechanical claw clamping force; and PID servo driving control is executed on the robot based on the target mechanical claw clamping force. According to the method, the optimal adaptive mechanical claw clamping force for capturing the salt marsh wetland small joint limb type organisms by the robot can be accurately determined.
Owner:CHENGDU AEROSPACE KAITE ELECTROMECHANICAL TECH CO LTD

Seedling raising method suitable for asparagus planting in saline-alkali soil

ActiveCN121369171AAspharagus cultivationHorticulture methodsSoil scienceAlkali soil
The invention relates to the technical field of gardening cultivation, and discloses a seedling raising method suitable for planting asparagus in saline-alkali soil, which comprises the following steps: circularly executing saline water unsaturated infiltration natural evaporation concentration and fresh water saturated leaching on a seedling raising substrate; according to the method, stress characterization of seedlings in a sentinel hole tray with relatively small matrix filling depth is used as an objective basis for triggering drip washing, and the conductivity of drip washing drainage is measured so as to feed back and adjust the stress intensity of subsequent circulation. Physiological elasticity and adaptive memory of the seedlings are constructed, and the systematic problem that the survival rate is low due to the fact that the seedlings cultivated in a traditional seedling raising mode cannot quickly respond to environment fluctuation after being transplanted to real saline-alkali soil is solved.
Owner:WEIFANG ACADEMY OF AGRICULTURAL SCIENCES ( WEIFANG BRANCH OF SHANDONG ACADEMY OF AGRICULTURAL SCIENCES ) +1

A seedling raising method suitable for planting salt marsh reed asparagus in saline-alkali soil

ActiveCN121369171BAspharagus cultivationHorticulture methodsSoil scienceAlkali soil
The present application relates to the field of horticultural cultivation, and discloses a seedling raising method suitable for planting salt sedge in saline-alkali soil, which comprises the steps of performing salt water non-saturated infiltration, natural evaporation concentration and fresh water saturated leaching on the seedling raising substrate in circulation; the seedling stress representation in the sentry plug tray with a shallow filling depth is used as an objective basis for triggering leaching, and the conductivity of leaching drainage is measured to feedback and adjust the stress intensity of the subsequent cycle; by reproducing a rhythmic osmotic pressure dynamic change in the seedling root zone, the physiological flexibility and adaptability memory of the seedling are constructed, and the systematic problem of low survival rate of seedlings cultivated by traditional seedling raising methods after transplanting to real saline-alkali soil due to the inability to quickly respond to environmental fluctuations is solved.
Owner:WEIFANG ACADEMY OF AGRICULTURAL SCIENCES ( WEIFANG BRANCH OF SHANDONG ACADEMY OF AGRICULTURAL SCIENCES ) +1

A coastal wetland classification method, device, equipment and storage medium

ActiveCN116152655BCharacter and pattern recognitionTidal flatWetland classification
The embodiments of the present invention provide a coastal wetland classification method, device, equipment, and storage medium, relating to the field of remote sensing image recognition technology. The coastal wetland classification method includes the following steps: S1. Obtaining a Landsat image set. S2. Combining high tide images, low tide images, summer images, and winter images based on the image set. S3. Obtaining a coarse classification range of mangroves based on the low tide images. S4. Obtaining a coarse classification range of salt marshes and a coarse classification range of tidal flats based on public data. S5. Extracting a valid remote sensing index set from the four images based on the coarse classification range of mangroves, the coarse classification range of salt marshes, and the coarse classification range of tidal flats. S6. Obtaining a set of remote sensing index thresholds for each wetland type in different images based on the valid remote sensing index set. S7. Obtaining a fine classification range of mangroves, a fine classification range of salt marshes, and a fine classification range of tidal flats based on the set of remote sensing index thresholds for each wetland type in different images, the high tide images, the low tide images, the summer images, and the winter images.
Owner:XIAMEN UNIV

Tidal wetland salt marsh plant growth promoting device and self-adaptive water level adjusting system

The invention relates to the technical field of ecological restoration, in particular to a tidal wetland salt marsh plant growth promoting device and a self-adaptive water level adjusting system.The tidal wetland salt marsh plant growth promoting device comprises a frame, a first partition plate and a second partition plate are arranged in the frame to form an independent planting groove of a latticed three-dimensional structure, and a micropore aeration oxygenation device is arranged in the planting groove; the frame is composed of an air pump and an aeration pipe, a water level adjusting system is further arranged in the frame and comprises a water level monitoring module, a control module and a water level adjusting executing mechanism, and an installation adjusting structure capable of controlling the frame to move in the state parallel to the water surface is further arranged at the bottom of the frame. The problems that in the prior art, the water level cannot be adjusted in a self-adaptive mode according to tidal changes, and the position and the height cannot be flexibly adjusted according to topographic fluctuations of different areas are effectively solved.
Owner:TIANMING ENVIRONMENTAL REMEDIATION CO LTD

Corrosion test method for seabed cement-based material

The invention discloses a corrosion test method for a seabed cement-based material. The corrosion test method comprises the following steps: step 1, preparing artificial seabed sludge; 2, testing the water content and the shear strength of the artificial seabed sludge; 3, drawing a shear stress-shear rate curve of the artificial seabed sludge, and determining the yield stress and the plastic viscosity of the artificial seabed sludge; step 4, completely burying cement-based materials with different proportions into artificial seabed sludge, covering a sealing device, putting the artificial seabed sludge into a constant temperature and humidity chamber or an environmental test chamber, setting temperature and humidity parameters, and starting a soaking test; and 5, taking out the cement-based material according to a preset time interval, observing and testing to obtain an erosion rule of the cement-based material in an artificially prepared seabed sludge environment, and determining a construction mix proportion. The concentration of key erosion factors is accurately controlled by adjusting components according to needs, and erosion characteristics of specific marine environments such as mud flat, deep sea and salt marsh can be simulated.
Owner:SOUTHEAST UNIV

Salt marsh ecological restoration system based on historical propagule bank in-situ activation

The invention discloses a salt marsh ecological restoration system based on historical propagule library in-situ activation, and relates to the technical field of ecological restoration, the system comprises a historical habitat identification and calibration module used for identifying and calibrating the historical distribution range of target restoration vegetation in a target area; the deep propagule library verification module is used for carrying out sampling and activity verification on propagules in a sediment deep area and confirming existence of a propagule library capable of being used for in-situ activation; the ecological opportunity decision-making module is used for determining a suitable time window for implementing in-situ activation operation; and the targeted physical disturbance activation module is used for applying non-invasive physical disturbance to the deep area of the sediment, so that the living propagule buried in the deep area floats upwards to the surface layer of the sediment. According to the scheme, normal form transformation from dependence on external transplantation to activation of internal potential is achieved, the repair process is simplified into targeted field operation, and the comprehensive cost and resource consumption are remarkably reduced.
Owner:SECOND INST OF OCEANOGRAPHY MNR

A method for constructing micro-geomorphology of oyster reef induced salt marsh by deposition power feedback guidance

PendingCN122452424AComputer Aided DesignSalt marsh
The present application belongs to the field of computer aided design and numerical simulation, and relates to a deposition dynamic feedback guided oyster reef induced salt marsh micro-landform construction method. The present application aims to solve the problems of dynamic deposition simulation and automatic layout optimization in coastal ecological restoration, and solve the problems that traditional static simulation cannot reflect dynamic deposition evolution and lacks automatic optimization mechanism. The present application firstly fuses multi-source water and sediment dynamic parameters to generate initial data, and constructs a dynamic deposition evolution model; then inputs initial oyster reef layout parameters to perform biophysical feedback simulation, and generates a sediment deposition atlas; finally analyzes the topographic elevation changes in the atlas, combines with salt marsh suitability indexes, and outputs an optimal layout scheme by using a heuristic search algorithm. The present application not only overcomes the limitations of traditional static simulation, but also improves the scientificity and calculation efficiency of ecological restoration engineering design, and has important application value.
Owner:NORTH CHINA SEA ENVIRONMENTAL MONITORING CENT OF STATE OCEANIC ADMINISTATION +1

A device for evaluating the effect of surface drainage conditions of muddy tidal flats on the colonization of salt marsh seedlings

The present invention discloses a device for influencing the drainage conditions of the surface layer of a muddy tidal flat on the colonization of salt marsh seedlings, and relates to the technical field of coastal wetland ecological restoration. It includes a drainage system and a non-drainage system. The drainage system is composed of a first water trough and a drainage device. The non-drainage system is composed of a second water trough. Two circular drain outlets are arranged on both sides of the short side of the first water trough near the bottom of the water trough. The drainage device is composed of 10 PVC pipes with the same diameter. By arranging a drainage pipe inside the first water trough, the first water trough and the second water trough are installed in a natural tidal flat environment. The first water trough and the second water trough must be placed closely and horizontally side by side. At the same time, the first water trough and the second water trough are filled with original soil. The filled original soil cannot have a slope. At the same time, the height of the original soil is flush with the height of the water trough. At the same time, the inside of the PVC pipe in the drainage device should be avoided during filling to ensure smooth drainage.
Owner:HOHAI UNIV

A PID-based servo drive control method and system

The application provides a PID-based servo drive control method and system, and relates to the technical field of servo drive control.The method comprises the following steps: acquiring robot capture operation videos of small arthropods in a salt marsh under different mechanical claw clamping forces; determining a lower limit mechanical claw clamping force for preventing falling and an upper limit mechanical claw clamping force for protecting life based on operation information under each mechanical claw clamping force; determining a plurality of first mechanical claw clamping forces based on the lower limit mechanical claw clamping force for preventing falling, the upper limit mechanical claw clamping force for protecting life and the operation information under each mechanical claw clamping force; determining a target mechanical claw clamping force based on robot capture operation videos of small arthropods in a salt marsh under the plurality of first mechanical claw clamping forces; and performing PID servo drive control on the robot based on the target mechanical claw clamping force.The method can accurately determine the best adaptive mechanical claw clamping force of the robot for capturing small arthropods in a salt marsh.
Owner:CHENGDU AEROSPACE KAITE ELECTROMECHANICAL TECH CO LTD

Auxiliary planting technique and system thereof

PCT designated stageWO2026067802A1Coastlines protectionCultivating equipmentsAgricultural sciencePropagule
Disclosed in the present invention are an auxiliary planting method and a system thereof, which aim at solving the technical problems of low survival rate, poor stability and non-standardized operation of planting in existing phytoremediation. A core method of the present invention comprises: a) preparing a plant propagule, wherein the propagule is a seed or a seedling; and b) deploying a structure, involving: deploying, in a region to be remediated, at least one auxiliary planting structure made of a biodegradable material, wherein the auxiliary planting structure is provided with at least one planting hole which can accommodate the propagule therein, and fixing the auxiliary planting structure to said region by using an anchor. The structure can provide physical support, water flow buffering, microenvironment improvement and biological protection for the propagule in the early stage of planting, and then degrades naturally. Further disclosed in the present invention is a system for implementing the method, which system comprises the auxiliary planting structure and the anchor. By means of the present invention, the standardization and engineering of phytoremediation operations for mangroves and salt marshes can be achieved, thereby enhancing the adaptability to complex environments. Moreover, the present invention is ecologically friendly, and has significant ecological and economic benefits.
Owner:QILAN INTELLIGENCE (SHANGHAI) TECHNOLOGY CO LTD +1

Method for planting reeds on coastal salt marsh tidal zone

The invention discloses a method for planting reeds on a coastal salt marsh tidal zone, which comprises the following steps of: determining the layout and the number of terrace fields according to the range, the terrain and the shape of a repaired section, and arranging drainage ditches according to the distance between the terrace fields; a compacted soil cofferdam is constructed on the periphery of the platform field, and a drainage pipe is arranged on the cofferdam close to one side of the drainage ditch; digging a drainage ditch on one side of the platform field along the terrain, and reserving a riding track between the drainage ditch and the cofferdam; a rhizome transplanting method is adopted, fresh water is regularly irrigated after planting, a 5 cm fresh water layer is kept at the bottom of the platform field until germination, after germination, soil of the platform field is kept moist, the seedling height is larger than or equal to 20 cm, the soil is kept in a saturated and waterlogging-free state, and after the seedling height is larger than or equal to 30 cm, the 5 cm fresh water layer is restored; and according to the restoration target and the actual emergence condition, complementary planting is conducted on the terrace field plaques with the low budding rate. By adopting the cofferdam platform field, the adverse effect of seawater submerging on reeds in the tidal zone is effectively isolated, the survival rate of the reeds is remarkably increased, and the reparation cost is reduced.
Owner:NORTH CHINA SEA ENVIRONMENTAL MONITORING CENT OF STATE OCEANIC ADMINISTATION

Coastal salt marsh wetland water quality purification structure

The utility model discloses a water quality purification structure for a coastal salt marsh wetland, which comprises a purification pond, a water inlet, a water outlet and a water outlet, the blocking net is arranged in the purification tank, and the blocking net is located between the water inlet and the water outlet; the multiple blocking walls are arranged in parallel, and the multiple blocking walls are located between the blocking net and the water outlet; the purification assemblies are located between the adjacent blocking walls; and the planting floating disc assembly is arranged on the purification tank. Compared with the prior art, sewage discharged into the coastal salt marsh wetland can be purified through the arranged purifying pond, so that the coastal salt marsh wetland water body can be prevented from being polluted, and the biological diversity of the wetland water body is prevented from being damaged.
Owner:SUZHOU GOLD MANTIS GREEN LANDSCAPE LIMITED

Method for assessing carbon source or carbon sink of blue carbon ecosystem based on net ecosystem carbon budget framework

PendingCN122309910AHydrometryCarbon sink
This invention discloses a method for assessing carbon sources or sinks in blue carbon ecosystems based on a net ecosystem carbon budget framework. It integrates multiple disciplines and technologies, including satellite remote sensing, ecosystem flux observation, determination of water and soil carbon biogeochemical indicators, hydrological observation and simulation, and model simulation and analysis, to establish a system for assessing carbon sources or sinks in coastal wetlands based on the net ecosystem carbon budget framework. An application practice was conducted using the Yellow River Estuary salt marsh tidal flat wetland as an example. The method for estimating carbon sources or sinks in coastal wetlands provided by this invention simultaneously considers key processes such as surface-atmosphere exchange and the carbon budget of river inputs and outputs to the nearshore area, achieving accurate assessment of carbon sources or sinks in coastal wetlands.
Owner:TIANJIN UNIV

An integrated method for in-situ restoration of a salt marsh wetland community of suaeda and soil improvement

PendingCN122623485ASalt marshDitch
The present application relates to the technical field of wetland ecological restoration, in particular to a method for in-situ restoration and soil improvement of a Suaeda community in a salt marsh, comprising: constructing a network of flow guide and salt isolation ditches in the restoration area; constructing rhizosphere improvement microzones at planting locations; planting Suaeda plants in the rhizosphere improvement microzones; laying a cover on the ground surface around the planted Suaeda plants; and densely planting the Suaeda community at a predetermined density. By combining the excavation of the flow guide and salt isolation ditches, the laying of the rhizosphere improvement layer, and the planting of the Suaeda plants into one procedure, the method avoids the secondary disturbance to the original wetland caused by the traditional soil improvement and planting mode, and the need for step-by-step construction and multiple entries. The columnar rhizosphere protection layer constructed by the formula improvement substrate creates numerous micro ecological shelters in the harsh salt marsh environment, provides low-salt, breathable, and nutrient-rich local living conditions for the Suaeda seedlings, and greatly improves the planting survival rate and stress resistance.
Owner:NORTH CHINA SEA ENVIRONMENTAL MONITORING CENT OF STATE OCEANIC ADMINISTATION

Sampling equipment suitable for coastal salt marsh wetland tidal creek water body

The utility model relates to the technical field of marine ecological monitoring, in particular to sampling equipment suitable for a coastal salt marsh wetland tidal creek water body, a tower is erected in the coastal salt marsh wetland tidal creek water body, the tower comprises an equipment room which is positioned at the top end and is used for accommodating a continuous automatic sampler, and an operation table suitable for personnel operation is arranged below the equipment room. A scaffold suitable for personnel to climb is arranged from the operation table to the water body; the continuous automatic sampler is integrated in a draw-bar box, a quick-connection plug is embedded in a box body of the draw-bar box, the lower end of a sampling pipe connected with the quick-connection plug in an inserted mode is connected with a stainless steel filter screen and a floating ball floating on the water surface, and the floating ball is connected with the stainless steel filter screen through a rope. According to the utility model, not only is the cost of business monitoring work reduced, but also the refinement degree and timeliness of monitoring and early warning work are improved, the safety of field work is ensured, and powerful technical support is provided for marine ecosystem monitoring.
Owner:EAST CHINA SEA ENVIRONMENTAL MONITORING CENT OF SOA +2

Ecological restoration system suitable for coastal abandoned fishpond

The utility model provides an ecological restoration system suitable for a coastal abandoned fishpond, which designs four key areas: an ecological barrier buffer area close to the inland, and the influence of human activities can be effectively reduced through a vegetation barrier; secondly, a salt marsh wetland habitat area close to the ocean is provided with a salt marsh beach land and a primary tidal creek connected with the ocean; the tidal conservation area is located between the ecological barrier buffer area and the salt marsh wetland habitat area, and a shoal wetland surrounded by a water body is arranged; a composite habitat lifting area is bordered with the shoal wetland and provided with a salt marsh wetland and a bird inhabiting island higher than the wetland, and plants suitable for birds to inhabit and find food are planted on the shoal wetland, the salt marsh wetland and the bird inhabiting island. The wetland and the bird inhabiting island are surrounded by water and are communicated with the ocean through the first-stage tidal creek, so that natural circulation and ecological connectivity of the water are guaranteed. The ecological restoration system is suitable for restoring the abandoned fishpond in the coastal area, and the biological diversity of the coastal wetland can be remarkably enhanced.
Owner:SHANGHAI PUDONG ENG CONSTR MANAGEMENT CO LTD

A method and system for measuring the morphology of pioneer vegetation in coastal salt marshes based on tidal scanning

The application discloses a tidal scanning-based coastal salt marsh pioneer vegetation form measurement method and system, and the method comprises the following steps: acquiring a plurality of continuous pioneer vegetation flooding images of a target intertidal zone region and corresponding water level data; extracting the edge contour of the pioneer vegetation in the pioneer vegetation flooding images; according to the water level data corresponding to the pioneer vegetation flooding images, the edge contour of the pioneer vegetation is spliced to obtain a three-dimensional edge contour of the pioneer vegetation; according to the three-dimensional edge contour of the pioneer vegetation, the elevation point cloud data is extracted, and a three-dimensional model is reconstructed according to the elevation point cloud data to obtain a three-dimensional model of the pioneer vegetation form; based on the three-dimensional model of the pioneer vegetation form, a pioneer vegetation form measurement result is calculated; the pioneer vegetation form measurement result comprises the height, volume and biomass of the pioneer vegetation. The application improves the measurement precision of the pioneer vegetation form.
Owner:HOHAI UNIV

Blue crab saline-alkali land seedling desalination domestication interactive training system, salinity regulation model optimization method, equipment and medium

The application provides a mud crab salt marsh seed desalination domestication interactive training system, a salinity regulation model optimization method, equipment and a medium. A mud crab seed salinity stress response model is established, and parameter estimation and calibration are performed based on actual cultivation data to obtain a dynamic physiological response model. Global sensitivity analysis is performed according to the dynamic physiological response model to determine the physiological tolerance interval of key regulation factors related to mud crab seed desalination domestication salinity. Numerical optimization calculation is performed with salinity daily drop and stage stable time as decision variables and maximum seed survival rate as an optimization objective to obtain an optimal combination. The optimal target salinity setting value of each desalination stage is determined according to the physiological tolerance interval and the optimization result, and a gradient desalination regulation strategy is constructed. The scheme of the application can optimize the salinity regulation model and improve the stability and efficiency of mud crab seed desalination domestication.
Owner:EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

A salt marsh ecological bag and pine pile combined cofferdam structure

PendingCN122147896ABulkheads/pilesCofferdamSalt marsh
The application discloses a salt marsh wetland ecological bag and pine pile combined cofferdam structure, which comprises two rows of pile bodies arranged at intervals along a river bank, and a sandwich space is formed between the two rows of pile bodies; a leveling layer is arranged at the bottom of the sandwich space between the two rows of pile bodies; geotextile is arranged on the leveling layer; and filling bags are stacked in the sandwich space above the geotextile, and the filling bags are filled with planting substrates. The application aims to overcome the defects of the prior art and provide a salt marsh wetland ecological bag and pine pile combined cofferdam structure. By arranging the butt joint structure and the cooperation of the guide rod and the through hole, it is ensured that each pine pile is taken as a reference in the hydraulic pressure process, the pile spacing is uniformly ensured, the end surface of the receiving part is taken as the elevation limiting, the pile top earth penetration depth is effectively controlled, and the overall rigidity and the aesthetic degree of the pile row are improved.
Owner:CHINA STATE CONSTR HARBOR CONSTR

Intertidal zone salt marsh front edge erosion autonomous monitoring system and data processing method

The invention relates to the technical field of coastal landform monitoring, and discloses an intertidal zone salt marsh front edge erosion autonomous monitoring system and a data processing method. According to the invention, through the design of the anti-corrosion main support structure and the modular hoop, and in combination with the waterproof electronic cabin, the long-term operation stability and the equipment survival rate of the system in an intertidal zone high-salt, high-humidity and strong-wave impact environment are improved; a control strategy based on tide forecast is adopted, a distance measuring sensor is driven to carry out high-frequency sampling in an effective observation window, and the whole event collapse process is completely recorded; through fusion of multi-stage signal quality control, median representative value extraction and a robust statistical recognition algorithm based on a dynamic threshold, real block collapse events are automatically discriminated from high-interference original data, and continuous denudation and sudden erosion mechanisms can be reliably distinguished; and finally, automatic comparison and verification are carried out by means of time sequence images, complete event parameters are output, and data support is provided for analyzing the salt marsh front edge erosion dynamic process and establishing a prediction model.
Owner:NANJING UNIV