25 results about "Steppe" patented technology

The invention provides a desert steppe area mining area gangue discharge field ecological vegetation screening method and system, and the method comprises the steps: determining the classification factors of the site types of topographic regions based on site attribute information, and dividing a plurality of topographic regions into a plurality of different site types; identifying vegetation state information on the terrain area of the target site type to obtain a vegetation mode; calculating an evaluation score of the vegetation mode based on the vegetation type related to the vegetation mode; optimizing the vegetation mode to obtain a target vegetation type on the basis of correlation features among various types of vegetation in the vegetation mode; the method comprises the following steps: determining classification factors of site types according to real area information, dividing a waste rock discharge field into multiple types, determining vegetation modes based on vegetation states of the site types, calculating evaluation scores of the vegetation modes, and further optimizing the vegetation modes to obtain optimal vegetation types of the site types. Thus, vegetation types adapted to various site types are generated to obtain a stable and effective ecosystem.

The invention relates to the technical field of degenerated grassland restoration, in particular to a method for improving degenerated desert grassland ecological restoration, which comprises the following steps: S1, selecting a degenerated desert grassland with relatively flat terrain and surface soil having mechanical tillage conditions; s2, when continuous rainfall exists from early July to early August and the rainfall is not lower than 20 mm, a no-tillage reseeding machine is adopted for sowing in soil moisture, the sowing time is not later than August 10, the sowing line spacing is 40-50 cm, and the sowing amount is 30-45 kg / hm < 2 >; and S3, enclosing the reseeding area by adopting a fence. In the actual application process, for the degraded grassland, the utilization rate of natural rainfall and the reseeding effect of the degraded grassland are effectively improved by accurately selecting proper grass seeds, adopting professional no-tillage reseeding machinery, scientifically planning grass seed configuration and reasonably setting reseeding density and reseeding time; and the reseeding effects that the damage to the original grassland is small, the seedling protection rate of the degraded grassland is averagely improved by 61.45%, the productivity is averagely improved by 19.5%, and the proportion of high-quality forage grass is increased by 20% or above are achieved.

The invention discloses a desert steppe grass interspecific synergistic agent and a preparation method and application thereof, and relates to the technical field of synergistic agents, the synergistic agent comprises the following raw materials by weight: 30-40 parts of modified cyanobacteria charcoal, 10-15 parts of a microbial fertilizer, 20-30 parts of an organic fertilizer, 10-20 parts of an inorganic fertilizer, 1-2 parts of a plant growth regulator, and 2-5 parts of a water-retaining agent; the modified blue-green algae charcoal is prepared from the following raw materials in parts by weight: 15-30 parts of ferrous sulfate heptahydrate, 15-30 parts of ferric sulfate hydrate, 200-400 parts of water and 10-20 parts of blue-green algae powder. The synergist provided by the invention can effectively improve the growth efficiency of desert grassland grass planting and effectively improve the treatment effect of degraded grassland.

The invention discloses a desert steppe shrub above-ground biomass unmanned aerial vehicle remote sensing estimation method and estimation device, the method is applied to desert steppe shrub above-ground biomass estimation, and the method comprises the following steps: processing a spectrum image of desert steppe shrubs in a survey sample plot to obtain a crown breadth area of each shrub in the survey sample plot; performing inversion on the laser radar data of the desert steppe shrubs in the survey sample plot to obtain the height of each shrub in the survey sample plot; and inputting the crown breadth area and height of each shrub in the survey sample plot into the overground biomass estimation composite model to obtain an overground biomass estimation value of each shrub in the survey sample plot range. By means of the method, efficient and non-destructive aboveground biomass estimation of desert steppe shrubs such as a relict endangered species, namely, the tetrasyntha mongolica can be achieved, and therefore a scientific basis and technical support are provided for protection of the tetrasyntha mongolica.

The invention discloses a method for determining an optimal application amount threshold value of degenerated typical grassland crushed cow dung, and relates to the technical field of grassland ecological restoration, and the method comprises the following steps: crushing collected dry cow dung; screening a warm typical grassland area meeting a predetermined degradation standard as a restoration area; in the initial stage of the plant growth season, uniformly spreading the crushed cow dung on the earth surface according to the cow dung addition amount numerical value corresponding to each experimental plot; at the last stage of the plant growth season, the overground net primary productivity of the plants in all the experimental plots is measured, and a corresponding relation data set between the cow dung adding amount numerical value and the overground net primary productivity is obtained; and importing the corresponding relation data set into computing equipment, performing fitting analysis on the corresponding relation data set by utilizing a preset threshold regression model in the computing equipment, and calculating an optimal addition amount threshold value of the crushed cow dung. According to the method, the optimal addition amount threshold value of the crushed cow dung in the degraded typical grassland can be accurately quantified, so that precise fertilization and efficient ecological restoration are realized.

The invention discloses a high and cold grassland area agriculture and pasture light complementary three-dimensional system and a construction method thereof, and relates to the technical field of new energy agriculture comprehensive utilization. A sensor network covering the whole area and a grassland dynamic growth model based on LSTM are constructed, and through multi-dimensional sensors of illumination, soil and weather, the grassland dynamic growth model is constructed; the spatial heterogeneity of a non-uniform photo-thermal environment under a photovoltaic panel is perceived and digitally reproduced in real time, the LSTM model learns and memorizes a complex nonlinear relationship between an environment sequence and biomass growth through a unique gating mechanism of the LSTM model, and a growth suitability index of a specific partition in the future can be predicted in advance; the predicted value drives a decision library to execute a prospective decision, water and fertilizer intervention is performed on a stress partition in advance, and the transformation from passive reaction to active prediction realizes extreme utilization and conservation of grassland resources in time and space dimensions.

The invention discloses a soil humidity inversion method based on normalization processing of multi-source remote sensing data, and belongs to the technical field of soil data processing, and the method comprises the steps: obtaining environmental meteorological data, topographic data and actually measured soil humidity data of a high-grass grassland region of the high-grass grassland region of the high-grass grassland region of the high-grass grassland region of the high-grass grassland region of the high-grass grassland; acquiring multi-source remote sensing data corresponding to the high grass steppe region; performing space-time normalization on the multi-source remote sensing data through Z-Score standardization, a Loess curve and inverse Z-Score standardization; and matching the environmental meteorological data of the high-grass grassland area, the topographic data of the high-grass grassland area, the remote sensing data after time-space normalization and the actually measured soil humidity data of the high-grass grassland area to establish a database, and predicting the soil humidity through an XGBoost model. According to the soil humidity inversion method, the problem that the accuracy and the reliability of a soil humidity inversion model are reduced due to the fact that the data consistency is affected by the difference between different optical sensors in an existing method is solved.

This invention provides a method, device, equipment, and medium for monitoring the ecological environment of wind power in desert steppe areas. The method includes: acquiring remote sensing images of the target spatial area taken by satellite, aerial images taken by drones, and sensor information collected by ground sensors; obtaining a first standard raster map based on the aerial images; obtaining a second standard raster map based on the remote sensing images; inputting the first and second standard raster maps into a target network model for prediction to obtain a vegetation cover index (VC) and a desertification index (SDI); and determining the ecological level of wind power projects in desert steppe areas based on sensor information, VC, and SDI. This invention obtains the VC and SDI from the first and second standard raster maps, and, combined with sensor information on the ecological environment of wind power in desert steppe areas, achieves precise monitoring of the ecological safety of wind power in these areas.

The invention discloses a grassland drought monitoring method based on a space-time convolutional network, and belongs to the technical field of space-time convolutional networks, and the method comprises the steps: carrying out the dynamic multi-source heterogeneous data fusion and structured coding through the fusion of remote sensing, weather and human activity agent data, generating a unified data cube, and carrying out the dynamic multi-source heterogeneous data fusion and structured coding; according to the method, through dynamic multi-source data fusion, double-flow feature extraction, attention mechanism decoupling, drought feature enhancement, causal correction and dynamic threshold visualization, accurate extraction and non-interference attribution of drought signals are realized, fixed threshold segmentation and single data source limitation are broken through, the problem of confusion of human activities and meteorological drought is solved, and the accuracy of drought detection is improved. The spatial resolution, the time precision and the ecological interpretation capacity of drought monitoring are remarkably improved, and the finally generated grassland true drought monitoring graph can directly support ecological management decisions and adapt to dynamic requirements of different grassland ecological regions.

The utility model provides a desert steppe barn feeding breeding shed excrement full-automatic treatment device, which relates to the technical field of excrement treatment and comprises an operation plate, an air heater fixedly mounted at the top of the operation plate, two air inlet pipes fixedly mounted at the top of the air heater and a drying box fixedly mounted at the top of the operation plate. The output ends of the two air inlet pipes communicate with the interior of the drying box. According to the excrement drying device, the air heater is started, hot air enters the drying box along the two air inlet pipes, excrement in the containing frame is dried, at the moment, the driving motor is started to drive the driving rod and the four stirring blades to rotate in the containing frame, the excrement in the containing frame is pounded, and therefore the excrement drying efficiency is improved; and secondly, under the action of a temperature sensor and a controller, the temperature in the drying box is always in a proper temperature range, so that the animal waste is converted into a recyclable fertilizer, automatic treatment of the waste is realized, and the utilization rate of the waste is improved.

This invention discloses a microbial remediation method for improving the soil quality of desert grasslands. The method involves sowing grass seeds and applying microbial fertilizer to pre-treated plots. The grass seed rate is 1-5 kg ​​per mu (approximately 0.067 hectares), and the fertilizer application rate is 15-45 kg per mu. The sowing row spacing is 35 cm, and the sowing depth is 2-3 cm. The grass seeds, by weight, include 40-60 parts of *Gnaphalium affine*, 5-15 parts of *Alternanthera philoxeroides*, and 30-50 parts of *Isodon japonicus*. The microbial fertilizer includes nitrogen-fixing bacteria, phosphate-solubilizing bacteria, and growth-promoting bacteria, with an organic matter content ≥40% and a pH value of 6.5-7.5. Specifically, the nitrogen-fixing bacteria in the microbial fertilizer are *Rhizobium alfalfa* or *Rhizobium soybean*; the phosphate-solubilizing bacteria are *Pseudomonas fluorescens* or *Pseudomonas putida*; and the growth-promoting bacteria are *Bacillus subtilis* or *Bacillus licheniformis*. The weight ratio of the nitrogen-fixing bacteria, phosphate-solubilizing bacteria, and growth-promoting bacteria is 2:1-1.5:1-1.5. This invention effectively improves the physical, chemical, and microbial properties of soil by applying microbial fertilizers and sowing grass seeds.

The invention provides a method for restoring a degraded desert steppe soil seed bank, and belongs to the technical field of ecological restoration. The invention discloses a method for repairing a degraded desert steppe soil seed bank. The method comprises the following steps: dividing degraded desert steppes into three landscape types according to the high (greater than 0.3) vegetation coverage, the middle (0.15-0.3) vegetation coverage and the low (less than or equal to 0.15) vegetation coverage; the method comprises the following steps: respectively taking grassland sample plots of three landscape types as centers to make buffer areas with radiuses of 100-500m, and enclosing the buffer areas formed by the minimum radiuses and meeting the requirements that the aggregation degree index AI is greater than or equal to 80 and the average plaque area is greater than or equal to 2hm together with the grassland sample plots to form a soil seed remediation area; and after soil remediation is conducted on the soil seed remediation area, dominant species are introduced to increase the plant coverage degree. The method enriches the gene resources of the soil seed bank, further enhances the adaptability of plants to the ecological system, improves the survival rate of seeds, and promotes the restoration of the soil seed bank.

The utility model discloses a kind of desert steppe precision grazing control devices in the technical field of grazing control equipment, the device includes central processing unit and multiple monitoring components and sound driving component connected with central processing unit, monitoring component includes the video sensor for collecting livestock image information and the spectrum sensor for collecting pasture spectrum information, sound driving component includes sound and sound sensor and sound insulation mechanism.The utility model plays the sound for driving away livestock by central processing unit opening sound when livestock enters low vegetation coverage area, avoid livestock overeating pasture, shield sound regularly by sound sensor and sound insulation mechanism, avoid livestock long-term stress, after livestock is transferred to other grassland area, the pasture of previously eaten area can recuperate, sustainable development grassland ecological environment, so that ranch manager can reasonably and orderly carry out grazing activity.

This invention provides a technical method for improving the effectiveness of ecological restoration of degraded desert steppe, relating to the field of ecological environment and grassland ecological restoration and management technology. The method includes implementing engineering sand fixation operations within corresponding degraded zoning units according to the engineering sand fixation scheme, and solidifying the results of the engineering sand fixation operations into engineering base state parameters that can be used for subsequent biological restoration. This method for improving the effectiveness of ecological restoration of degraded desert steppe involves dividing degraded desert steppe areas into grids, combining multiple indicators such as vegetation, soil, and wind erosion, and performing degradation type determination and spatial difference analysis on each division unit to generate degraded zoning units. Pre-set classification rules and spatial difference parameters accurately identify degradation types and their spatial distribution differences, and formulate specific restoration prescription schemes for each area.

The invention discloses a desert grassland grass interspecific synergistic agent and a degraded grassland application method, and belongs to the technical field of plant synergist preparation. The application method of the desert steppe grass interspecific synergistic agent degraded grassland comprises the following steps that 1, grassland and gravel are cleaned, then ploughing and soil loosening are conducted, the depth is 10-15 cm, and land is leveled; step 2, mixing the synergist with the grass seeds according to a mixing ratio of 1g: 15g, then sowing the grass seeds in a drill sowing mode with the sowing depth of 1-2cm and the sowing quantity of 1-2kg / mu, and irrigating, moisturizing, detecting and evaluating the recovery effect. By means of the method, the biomass, density and coverage rate of grass can be effectively increased.

This disclosure provides a method for restoring vegetation in sandy areas. The method includes: adding a soil conditioner to sandy areas in alpine desert steppe regions where photovoltaic power stations are located; sowing plant seeds in the sandy areas where the soil conditioner has been added; laying straw mats as sand barriers on the sandy areas where plant seeds have been sown; and irrigating the sandy areas where straw mats as sand barriers have been laid. This method can improve the restoration efficiency of vegetation in sandy areas in alpine desert steppe regions where photovoltaic power stations are located.

The application provides a reasonable space configuration method of a row type shrub shelter forest in a semi-arid grassland area, and mainly comprises the following steps: (1) determining a potential maximum density of the shrub forest; (2) determining key ecological hydrological function parameters of the shrub forest with different row distances; (3) comprehensively evaluating the ecological hydrological function parameters of the sand-fixing shrub forest with different row distances by using an analytic hierarchy process-entropy weight method, and finally determining the best row distance and plant distance of the forest belt in combination with the potential maximum density of the shrub forest in the step (1) and the key ecological hydrological function parameters of the shrub forest with different row distances in the step (2). The application has a reasonable concept, can not only improve the growth stability of the shelter forest, but also simultaneously enhance the ecological functions such as the windproof effect of the shelter forest, and can provide a theoretical basis for efficient utilization of water resources and ecological restoration in the arid grassland area.

The invention provides an immune injection method of a rabies vaccine for Mongolia cattle, which adopts a dog rabies inactivated vaccine to immunize the Mongolia cattle, and comprises the following steps: injecting 2ml of rabies inactivated vaccine for each Mongolia cattle, and injecting for the second time after 17-21 days. Test results show that the Mongolia cattle can generate protective antibodies 17 days after first injection, the antibody titer mean value reaches a peak value 115 days after second injection, and the immune protection period can last for at least 12 months. The invention also provides an alternative scheme of one-time 5ml injection, and also has a good immune effect. The method can effectively prevent rabies of Mongolian cattle, is suitable for a desert steppe grazing environment, and has popularization and application values.

The invention discloses a preparation method and application of a degraded high-cold steppe ecological restoration matrix based on sludge freeze thawing treatment, and relates to the technical field of ecological restoration of degraded high-cold steppe soil. The complex ecological problems of felt layer denudation, soil desertification and the like in the high and cold grassland degradation area are solved. The preparation method of the ecological restoration matrix comprises the following steps: pre-treating part of the raw materials; then mixing the pretreated sludge, the crushed highland barley straw, the crushed weathered coal, the decomposed animal manure, bentonite and polyaluminum chloride at a certain rotating speed to form a homogeneous mixture; then adding a cold-resistant complex microbial inoculant into the mixture; and finally, carrying out programmed freezing and thawing treatment on the obtained mixed material. According to the invention, through synergistic proportioning of multiple components and a natural freezing and thawing strengthening process, the structural stability, the water and fertilizer retention capability and the nutrient slow release performance are remarkably improved, so that vegetation recovery and soil improvement of the high and cold degraded grassland are effectively promoted.

The utility model relates to forest and steppe fire prevention technical field, concretely is forest and steppe fire prevention isolation belt automatic sprinkler, including sprinkling mechanism, and the sprinkling mechanism includes base and riser, and the riser top is equipped with a plurality of spray heads, and the periphery of riser bottom is equipped with the guide sleeve, and the guide sleeve is equipped with the movable sleeve pipe, and the base is provided with the opening and closing mechanism, and the opening and closing mechanism includes fixed base and a plurality of gear, and the movable sleeve pipe is provided with a plurality of gear slots, and the gear is engaged with the gear slot. The forest and steppe fire prevention isolation belt automatic sprinkler, the movable sleeve pipe set up can be along the riser axial movement, when the device does not work, the movable sleeve pipe moves up and abuts with the end plate, can store the spray head in the movable sleeve pipe, forms effective protection to the spray head, reduces the influence of sand, sunshine, animal and other factors in the forest and steppe outdoor environment to the spray head, guarantees the normal use of spray head when needing work.

The present application relates to the technical field of soil monitoring, in particular to a method and device for measuring soil physical and chemical properties for desert steppe restoration. The method comprises: obtaining the vegetation coverage, salt content index and temperature of the soil at the sampling points in different geographical locations in the desert steppe restoration area; determining the true dielectric constant based on the mass change of the soil before and after drying; obtaining the apparent dielectric constant at different oscillation frequencies; determining the optimal measurement frequency by combining the difference between the apparent dielectric constant and the true dielectric constant; determining the salt consistency coefficient according to the geographical location difference, vegetation coverage difference and salt content index difference between the current point and other sampling points; selecting similar points to determine the target frequency of the current point at the real-time temperature; performing FDR measurement based on the target frequency to obtain the current dielectric constant, and determining the water content based on the current dielectric constant. The present application can improve the accuracy of water content analysis.

The invention relates to the technical field of soil monitoring, in particular to a soil physicochemical property determination method and device for desert steppe remediation. The method comprises the steps that the vegetation coverage rate, the salt content index and the temperature of sampling point soil at different geographic positions in a desert steppe restoration area are obtained; determining a real dielectric constant based on the mass change of the soil before and after drying; apparent dielectric constants under different oscillation frequencies are obtained; determining the optimal measurement frequency by combining the difference between the apparent dielectric constant and the real dielectric constant; determining a salinity consistency coefficient according to the geographic position difference, the vegetation coverage rate difference and the salinity content index difference between the current point and other sampling points; screening similar points to determine the target frequency of the current point at the real-time temperature; performing FDR measurement based on the target frequency to obtain a current dielectric constant, and determining the water content based on the current dielectric constant. The accuracy of water content analysis can be improved.

The invention discloses a method for measuring the optimal application amount of a degraded warm desert steppe sheep manure organic fertilizer, and relates to the technical field of damaged steppe ecosystem remediation, the method comprises the following steps: in a warm desert steppe area, selecting a degraded grassland with the vegetation coverage lower than 30%, the net primary productivity on the ground lower than 10g / g and the dominant plant of silver gray hedge; uniformly spreading the fermented and decomposed sheep manure organic fertilizer on the ground surface of an experiment area independently set for the corresponding sheep manure organic fertilizer addition amount value in the middle stage of the plant growth season, and not turning over; at the last stage of the plant growth season, the overground net primary productivity of the plants in each experiment area is measured; carrying out modeling analysis by using a threshold regression function in a'chngpt 'program package; and determining a numerical value corresponding to an inflection point which is identified by the model and has a significant change of the dependent variable along with the increase trend of the independent variable as an optimal additive amount threshold value. According to the method, the repairing object can be accurately judged, and the optimal adding amount threshold value of the sheep manure organic fertilizer can be quantitatively determined.

The invention discloses a breeding method of a new beef cattle variety, which comprises the following steps: constructing a basic group: in a cold-region desert steppe non-supplementary-feeding and non-heat-preservation environment, feeding the basic group consisting of a cold-region local beef cattle group and a wild yak related hybrid group, feeding low-quality straw with lignin content not less than 22% as unique coarse feed, and feeding the low-quality straw with lignin content not less than 22% as the unique coarse feed; screening breeding parents through an association phenotype detection system; and S2, coordinated regulation gene cluster positioning and molecular marker development: carrying out whole genome re-sequencing, intestinal microbe metagenome sequencing and blood metabolome sequencing on the breeding parents screened in the step S1. According to the invention, a basic population is constructed through a local beef cattle population in a cold region and a wild yak related hybridization population; the wild yak source barren-resistant flora colonization, rumen lignin degradation and hair replacement rhythm adaptation are subjected to synchronous targeted cultivation, so that the new variety can stably adapt to the extreme feeding conditions of no supplementary feeding and no heat preservation in the desert grassland in the cold region.

The invention discloses a desert steppe joint user operation fence grazing method, system, device, medium and product, and relates to the field of animal husbandry management, the method comprises the following steps: carrying out regional division on a grassland commonly used by joint users to obtain different grassland plaques and corresponding basic data; based on the remote sensing image and the basic data of each grassland plaque, determining a monitoring condition; determining the grazing intensity of each grassland patch according to the monitoring condition; according to the grazing intensity of each grassland patch, the corresponding basic data and the livestock condition of the joint pasture, determining a joint pasture plan; and constructing a data sharing and collaborative management platform, and storing the grazing intensity of each grassland patch, the corresponding basic data, the livestock condition of the joint pasturing households and the joint pasturing plans. On the basis that grassland resources are fully utilized, the ecological environment of the grassland is further protected, and maximization of livestock breeding benefits is achieved.