20 results about "Marsh" patented technology

The application of "a unit type tidal wetland restoration method based on a target" belongs to the technical field of wetland ecosystem restoration methods. The unit type tidal wetland restoration method based on a target comprises the following steps: (1) determining a target; (2) constructing an ecological unit on the tidal wetland to be restored through microtopographic modification; (3) applying biochar materials and salt-resistant ecological materials in the ecological unit; and (4) configuring waterfront plants in the ecological unit. The restoration method utilizes natural tidal fluctuation to adjust the water and salt conditions of the ecological unit (salt reduction of more than 80%) and to maintain the target water level (0-2 m) as needed, optimizes the soil microbial community structure (soil bacterial richness is increased by more than 200%), improves the plant germination rate and survival rate in the process of tidal restoration (the germination rate is more than 90%, and the survival rate is increased to more than 62%), and enriches the plant configuration varieties in the riparian zone (≥12).

The invention relates to the technical field of ecological restoration, in particular to an ecological restoration method for a marsh wetland patrol road slope. Experiments show that compared with other tree species (salix procumbens), the survival rate of the salix procumbens in the marsh wetland patrol road side slope is higher, and the salix procumbens has a more excellent slope fixing effect. Furthermore, the length and the thickness of the willow branches are optimized and adjusted, the willow branches with the proper diameter at breast height and the proper length are finally selected for cuttage, the survival rate is remarkably increased, and the slope fixing effect is remarkably improved. Water and soil loss can be effectively reduced, stable vegetation coverage can be formed in a short time, and reliable technical support is provided for ecological restoration of marsh wetland patrol road slopes.

The invention provides a method, a device and equipment for predicting influence of marsh vegetation change on surface temperature, and belongs to the technical field of ecological remote sensing and climate effect evaluation. The method comprises the following steps: firstly, determining vegetation pixel distribution as a research area range in an unchanged marsh wetland distribution range; a year-by-year and multi-year average growth season data set is constructed through a maximum value synthesis and arithmetic mean method; in the grid units, the pixels are divided into a high value group and a low value group according to the multi-year average growth season leaf area indexes, the difference value between the multi-year average growth season leaf area indexes of all the pixels in the high value group and the low value group and the average surface temperature value is calculated, and then the surface temperature change degree caused by the marsh wetland vegetation coverage change is quantified; and finally, realizing accurate prediction of future surface temperature influence in combination with a vegetation change trend on a pixel scale.

The saturated water generating device aims at providing equipment which is simple in structure and capable of efficiently generating oxygen saturated water, the concentration of dissolved oxygen in water can be fully increased, and the saturated water generating device is suitable for places such as lakes, marshes, aquaculture farms or sewage treatment plants. The saturated water generating device of the present invention comprises: a container in which the bottom surface and the side surfaces are sealed by a bottom plate and four side plates, wherein the upper surface of the bottom plate is open and is rectangular; the upper end of the elliptical water guide plate faces upwards, and the opening part clamped by the pair of end parts faces upwards and is vertically placed in the container; a nozzle for spraying water from above to the inner surface near the opening; the water supply pipe is connected with the tip of the nozzle; a feed pump (not shown) connected to the base end of the discharge port; and the overflow pipe is connected to the first water outlet (not shown) of the side plate near the bottom plate.

The present invention discloses a control method for improving the production function of soda saline-alkali marsh gorgon fruit wetlands, belonging to the field of wetland eco-hydrological management technology. The method comprises: 1. shoreline land preparation; 2. salinity regulation before planting; 3. dynamic hydrological regulation during the growing period; 4. water level adjustment before harvest. The present invention can effectively solve the problems of low germination rate, low survival rate, low fruit setting rate and low fruit productivity of gorgon fruit in saline-alkali marsh wetlands due to the single habitat hydrological situation or unsuitable water level. According to the life cycle of gorgon fruit, the present invention significantly improves the germination rate, fruit setting rate and yield of gorgon fruit by scientifically regulating the wetland hydrological situation, provides technical support for the efficient cultivation of gorgon fruit, and provides a new solution for the comprehensive utilization of saline-alkali land resources.

The invention relates to the technical field of agricultural water-saving cultivation, and discloses a drought-resistant corn planting method based on biochar marsh biological crust. The core of the method is that a composite substrate layer formed by mixing biochar particles and a marshland natural biological crust raw material is laid on the surface of a planting plot, and a continuous and stable artificial biological crust structure is promoted to be rapidly formed on the surface of the substrate through water spraying wetting and standing maintenance; and then corn seeds are sown in the soil below the crust in a no-tillage sowing mode. In the growth period, soil moisture evaporation is mainly inhibited by means of the crust structure, and a small amount of supplementary drip irrigation is carried out only in extreme drought. The crust structure has both physical barrier and biological water retention functions, can effectively maintain soil moisture content, and realizes drought-resistant and water-saving planting of corn.

This invention relates to a method for simulating and predicting the spread of *Carex chinensis* mound communities in marsh wetlands. The invention belongs to the field of marsh wetland plant community spread simulation technology, specifically a method for simulating and predicting the spread of *Carex chinensis* mound communities. This invention addresses the problem of not being able to simulate and predict the spread paths and rates of *Carex chinensis* mound communities in marsh wetlands using existing ecological and environmental data. The method involves: acquiring and interpreting remote sensing images; acquiring community characteristic data and ecological and environmental data; processing the acquired remote sensing images and ecological and environmental data to form a database; creating an MCE suitability atlas; simulating the spread of *Carex chinensis* mound communities; verifying the accuracy of the simulation results; and then making predictions. This invention can accurately predict the spread paths and rates of *Carex chinensis* mound communities in marsh wetlands and can be applied to wetland restoration and management.

The invention relates to a grassland remote sensing resource automatic classification method, device, equipment and medium, and relates to the technical field of remote sensing image processing and machine learning. Grassland and non-grassland are gradually distinguished, grassland types (grassland, desert, shrub and grass clusters, meadow and marsh) are roughly classified, and grassland resources are refined into 18 types. Gaussian low-pass filtering denoising is adopted, a multi-scale feature map is generated through weight pooling, a missing region is filled through gating convolution, and the spatial autocorrelation of geographical environment features is enhanced through an attention mechanism. And comparing the random forest with the convolutional neural network for optimal selection, fusing an optimal model, performing precision evaluation based on unmanned aerial vehicle data and a grassland resource map, and calculating overall precision, user precision, producer precision, an F1 index and a Kappa coefficient of macro average. The method realizes high-precision grassland resource classification, and is suitable for ecological monitoring and management of grassland resources.

The invention relates to the technical field of ecological engineering and wetland restoration, in particular to a comprehensive restoration method for rapidly improving functions of a bird breeding place of a degraded marsh wetland, and aims to solve the problems of nest site deficiency, insufficient food sources and man-made interference confronted by bird breeding in the degraded wetland. Repair is carried out through comprehensive measures of combining nest site accurate configuration, food source directional strengthening and interference system control. The method specifically comprises the steps that mandarin duck nest boxes and small nest boxes are hung on a suitable wetland, haystacks are built, and diversified nest sites are provided for different birds; putting benthonic animals and fishes in the shallow water area to supplement a food source; meanwhile, propaganda education is carried out on surrounding residents, closed management is carried out on the protection forest in the breeding season, and man-made interference is reduced. According to the method, the bird breeding function of the degraded wetland can be quickly and specifically recovered, the number and diversity of bird populations are improved, and the method has the characteristics of simplicity and convenience in implementation, low cost and quick effect, and is suitable for ecological restoration and function improvement of the degraded marsh wetland.

The utility model discloses a biomimetic nest for macrobrachium culture, and relates to the technical field of macrobrachium culture, the biomimetic nest for macrobrachium culture comprises an elastic bandage, a plurality of biomimetic modules are arranged inside the elastic bandage, and the biomimetic modules are bound and fixed through the elastic bandage. The bionic module comprises a fixing assembly and pipe bodies, one fixing assembly corresponds to four pipe bodies, the four pipe bodies are located on the periphery of the fixing assembly, the fixing assembly comprises a center base, connecting arms are arranged on the peripheral surface of the center base, fixing frames are arranged at one ends of the connecting arms in a hot melting mode, and the fixing frames are connected with the fixing assemblies in a hot melting mode. By means of the scheme, the problems that when existing macrobrachium rosenbergii is bred, due to the fact that the macrobrachium rosenbergii is prone to being stacked together, the macrobrachium rosenbergii fight with one another, the macrobrachium rosenbergii eats silkworm after shelling, the death rate is high, and the breeding effect is poor are solved.

The invention belongs to the technical field of ecological restoration, and discloses a Yangtze River middle and lower stream lake ecological reconstruction method, which comprises the following steps: strengthening lake region water system communication through a lake region base reconstruction project, and optimizing a lake region ecological base; in order to perfect a healthy lake ecosystem and enhance the ecological toughness of a lake area, a suitable and diversified growth environment needs to be built for aquatic plants. The current lake bottom is subjected to wetland earthwork finishing by utilizing engineering measures, and the flat-bottom lake terrain is transformed into various forms such as an ecological island, a lake, a marsh, a grass beach and the like, so that the habitat arrangement requirement is met.

The invention discloses a comprehensive planting and breeding method for rice, ducks and shrimps, and belongs to the field of agricultural production.The comprehensive planting and breeding method for rice, ducks and shrimps specifically comprises the steps that freshwater shrimps and macrobrachium rosenbergii are bred in a rice field in the first half year, and rice is planted and sheldrakes are bred in the second half year. According to the comprehensive planting and breeding method, the omnivorous characteristics of the freshwater shrimps and the macrobrachium rosenbergii are fully utilized, and the number of algae and other aquatic organisms in the rice field is reduced. Excrement of the shrimps can increase soil fertility and reduce the use amount of chemical fertilizer in the rice field; the ducks can prey on duckweed, aquatic plants and rice diseases and pests, eggs laid by the ducks can also increase income for farmers, and'five purposes in one water and five harvests in one field 'are achieved.

The invention relates to the technical field of wetland plant diversity monitoring devices, and particularly discloses a wetland plant diversity monitoring device and monitoring system, which comprises a multi-source data acquisition unit, a data transmission unit and a data encryption unit, the multi-source data acquisition unit comprises an air acquisition unit, a ground acquisition unit and an underwater acquisition unit; the air acquisition unit comprises a multi-rotor unmanned aerial vehicle, and a hyperspectral imager and an RGB (Red, Green, Blue) high-definition camera which are carried on the multi-rotor unmanned aerial vehicle; according to the invention, on one hand, through the multi-source acquisition unit, the limitation that areas such as deep water areas and marshes are difficult to cover by manual monitoring is broken through, and the whole habitat coverage of emergent water, floating water and submerged plants is realized; and on the other hand, the defect of single dimension of existing automatic monitoring data is made up by collaborative acquisition of multi-source data.

The utility model discloses an ecological circulating system based on fly ash resource utilization has solved the technical problem of low resource utilization rate. The device includes soil conditioner preparation device, facility agriculture device, anaerobic fermentation device, separation device, purification device, sustainable aviation fuel production device etc. The anaerobic fermentation device carries out fermentation treatment to the crop leftover material or waste of facility agriculture device, to obtain marsh gas, marsh liquid and marsh residue. The separation device separates the marsh liquid and the marsh residue. The marsh residue and the marsh liquid are used for facility agriculture production. The purification device purifies and separates the marsh gas to obtain biological natural gas and green carbon dioxide. The green carbon dioxide can be used for increasing the yield of facility agriculture. It can also be combined with green hydrogen to produce sustainable aviation fuel. The utility model can realize the reasonable integration and utilization of resources, construct a relatively complete ecological circulating system and industrial chain, and improve the resource utilization efficiency.

This invention relates to an automatic classification method, apparatus, equipment, and medium for grassland remote sensing resources, belonging to the fields of remote sensing image processing and machine learning. The method employs a three-layer classification framework, combining ground sample plots, remote sensing data, meteorological data, and DSM elevation data to progressively distinguish between grassland and non-grassland, coarsely classify grassland types (grassland, desert, shrubland, meadow, and marsh), and refine them into 18 grassland resource categories. Gaussian low-pass filtering is used for noise reduction, weighted pooling generates multi-scale feature maps, gated convolution fills in missing regions, and an attention mechanism enhances the spatial autocorrelation of geographical features. Random forest and convolutional neural networks are compared and optimized, and the optimal model is fused. Accuracy is evaluated based on UAV data and grassland resource maps, calculating the overall macro-average accuracy, user accuracy, producer accuracy, F1 index, and Kappa coefficient. This invention achieves high-precision grassland resource classification and is suitable for ecological monitoring and management of grassland resources.

This application provides a method, apparatus, and equipment for predicting the impact of marsh vegetation change on land surface temperature, belonging to the field of ecological remote sensing and climate effect assessment technology. Based on long-term series leaf area index, land surface temperature, digital elevation model, and marsh wetland distribution data, it first determines the vegetation pixel distribution as the study area within the unchanged marsh wetland distribution range; it then constructs annual and multi-year average growing season datasets using the maximum value synthesis and arithmetic mean methods; within the grid cells, pixels are divided into high and low value groups based on the multi-year average growing season leaf area index, and the difference between the multi-year average growing season leaf area index and the average land surface temperature of all pixels in the high and low value groups is calculated to quantify the degree of land surface temperature change caused by marsh wetland vegetation cover change; finally, by combining the vegetation change trend at the pixel scale, it achieves accurate prediction of the future impact on land surface temperature.

The invention discloses a method for breeding Australian lobsters in a rice field and an ecological breeding field, and relates to the technical field of lobster and rice symbiosis, the technical scheme covers differentiated field engineering, non-mechanized field parcels adopt a ring ditch layout shaped like a Chinese character'feng ', and mechanized field parcels adopt a ditch-free flat bottom type layout; clay covering layer laying and diversion trench blocking treatment are conducted on sandy soil and marsh geology; a three-stage filtering water inlet and drainage system and a totally-closed escape-proof net are arranged, and waterweed is planted in the ditch to form a biological filter bed. A staged feed feeding strategy is adopted in breeding management, 36% protein feed is fed in the juvenile shrimp stage, 32% protein feed is fed in the adult shrimp stage, dissolved oxygen, pH and temperature data are transmitted in real time in combination with an intelligent water quality monitoring system, and timing opening and closing and dissolved oxygen threshold triggering oxygen supplementation are achieved through an aeration linkage control module. A rotation mode of'two shrimps and one rice 'is implemented, agricultural travel fusion facilities including a fishing area and an Internet of Things base station are integrated, and a novel high-yield, efficient and ecological rice field comprehensive planting and breeding paradigm is constructed.

The application discloses a kind of pulse jet device for killing in water body of marsh clam larvae, pulse jet device includes main body, control piece, cavity is formed in the inside of main body, the side wall of main body is formed with water inlet and first water jet hole being communicated with cavity, water inlet is suitable for into high pressure water flow in cavity;Control piece is movably arranged on main body and part of control piece extends into cavity, control piece is formed with water blocking part and second water jet hole, when water blocking part is opposite to first water jet hole, first water jet hole is closed, when second water jet hole is opposite to at least part of first water jet hole, jet is carried out to be suitable for killing marsh clam larvae.This pulse jet device of the application can generate strong shear force and turbulent effect by using high pressure jet, destroy the physiological structure of marsh clam larvae by physical method, realize the effective killing of marsh clam larvae.

The invention discloses a biomass model construction and evaluation method for subtropical mountain marsh dominant species Alnus Jiangnan. The method comprises the following specific steps: S1, a field investigation method; s2, performing an indoor experiment; s3, data analysis: performing statistical analysis on the data, and constructing a relative growth model, a compatibility biomass model and an optimal biomass model; s4, a model precision evaluation method: evaluating the model precision by using a root-mean-square error, a mean absolute error and a decision coefficient; and S5, obtaining a result and analyzing. According to the method, the relative growth model and the compatibility biomass model for the biomass of the single Alnus Jiangnan and the biomass of each component of the alnus Jiangnan are constructed, the optimal parameters are fitted through the multivariate nonlinear least square method, and it is ensured that the models do not have the heterovariance problem and have high prediction precision; important theoretical basis and practical guidance are provided for evaluation of the biomass of the alnus Jiangnan in the subtropical mountain marsh, and the carbon sequestration capacity of the ecological system of the mountain marsh under the climate change background can be better understood and predicted.