30 results about "Soil respiration" patented technology

The invention provides a soil health evaluation method. The method comprises the following steps: acquiring community characteristics of soil arthropods of to-be-evaluated soil; the soil arthropods are selected from at least one of diptera arthropods, arthropods of arachnids, coleoptera arthropods, hymenoptera arthropods and lepidoptera arthropods; the community characteristics comprise species composition and relative abundance of species; predicting soil indexes according to the community characteristics; the soil index is selected from at least one of a soil physicochemical index, a soil degradation index and a soil health index; the soil physical and chemical indexes are soil pH, soil total carbon, soil organic carbon and soil total nitrogen; the soil degradation indexes comprise a soil pH degradation index, a soil total carbon degradation index, a soil organic carbon degradation index and a soil total nitrogen degradation index; the soil health index is determined based on soil pH, soil microbial biomass nitrogen, soil respiration rate, soil total carbon, soil organic carbon, soil total nitrogen and soil bulk density; and performing soil health evaluation based on the soil indexes.

The invention relates to the technical field of ecological system monitoring, in particular to a vortex motion covariance and soil respiration synchronous collection device based on the Internet of Things. Comprising a central synchronous controller, a vortex motion covariance master collector in communication connection with the central synchronous controller, and at least one soil respiration slave collector in communication connection with the central synchronous controller. By implementing the unified clock source, the dynamic scheduling with the absolute timestamp and the real-time data correction, the problem of time alignment between heterogeneous data streams is fundamentally solved, real synchronous acquisition is realized, and inherent systematic time reference errors in a system in the prior art are eliminated.

The invention relates to the technical field of soil respiration monitoring, and discloses a soil respiration monitoring device and method based on tunable semiconductor laser absorption.The device comprises a movable base which is hollow, the top of the base is fixedly connected with a top plate through a support, and a data controller is installed at the top of the base; and a plurality of breathing chambers are arranged between the base and the top plate. According to the soil respiration monitoring device and method based on tunable semiconductor laser absorption, the communication unit is arranged and used for controlling the detection end of the spectrum detection unit, so that the detection end of the spectrum detection unit is selectively connected with one respiration chamber or is sequentially connected with other respiration chambers; according to the soil respiration monitoring system, internal detection work of a single respiration chamber or internal detection work of multiple respiration chambers is formed, and the soil respiration monitoring accuracy can be further improved by calculating the average value of the internal detection data of the multiple respiration chambers.

A device for monitoring soil health conditions includes (i) a gas intake tube and (ii) a detachable cap. The gas intake tube includes: a first closed end; a second open end opposite the first end; and a body portion extending between the first closed end and the second open end, where the body portion includes a housing and a plurality of holes that extend around the body portion in which the plurality of holes allow gases to enter the housing. The gas intake tube has a length extending from the first closed end to the second open end of greater than 5 inches, and the plurality of holes are within at least 1.5 inches of the first closed end. Further, the detachable cap is connected to the second open end of the gas intake tube and has a gas dispersing slot. A system and method are also included.

The invention provides a biological stimulant for regulating and controlling micro-ecological activity of acid soil rhizosphere as well as a preparation method and application of the biological stimulant, and particularly provides the biological stimulant which comprises high fructose corn syrup, tea polyphenol and 5-aminolevulinic acid. The biostimulant further comprises an amino acid and an oligosaccharide. The biological stimulant provided by the invention can improve the pH of rhizosphere soil, reduce exchangeable aluminum ions, improve soil respiration and mycorrhizal spore density, and realize yield increase and efficiency increase.

A device for monitoring soil health conditions includes (i) a gas intake tube and (ii) a detachable cap. The gas intake tube includes: a first closed end; a second open end opposite the first end; and a body portion extending between the first closed end and the second open end, where the body portion includes a housing and a plurality of holes that extend around the body portion in which the plurality of holes allow gases to enter the housing. The gas intake tube has a length extending from the first closed end to the second open end of greater than 5 inches, and the plurality of holes are within at least 1.5 inches of the first closed end. Further, the detachable cap is connected to the second open end of the gas intake tube and has a gas dispersing slot. A system and method are also included.

The invention discloses a soil respiration monitoring method based on field gradient warming, which belongs to the technical field of soil respiration monitoring, and comprises the following steps: (1) selecting an old forest in a subtropical evergreen broad-leaved forest to construct an experimental sample plot, and setting 20 triangular quadrat in total; (2) carrying out gradient temperature increasing on the quadrats by adopting a triangular frame heating method, setting five gradient temperature increasing treatments, setting four quadrats for each treatment, and collecting the soil temperature and volumetric water content of the experimental sample plot; and (3) arranging a breathing ring seat which is not embedded into the soil and a breathing ring seat which is embedded into the soil by 50 cm in each quadrat, placing the static box on the breathing ring seats, extracting and storing gas in the static box, detecting the collected gas by using an FID (Flame Ionization Detector) of a gas chromatograph, obtaining the CO2 concentration, and then calculating soil respiration and component data thereof. According to the method, the soil respiration and the component data thereof under gradient temperature increase can be obtained, and technical support is provided for revealing the response rule and mechanism of the soil respiration to the gradient temperature increase in the subtropical forest.

The utility model belongs to the technical field of soil carbon and nitrogen emission detection, and relates to a simple manual installation device for a soil breathing ring. The device comprises a fixed seat and a manual hammer, the fixing seat comprises an embedded cylinder and a placing cylinder which are integrally formed from top to bottom and are coaxial, the outer diameter of the cylinder wall of the embedded cylinder is smaller than that of the cylinder wall of the placing cylinder, and the interior of the placing cylinder is used for placing a soil breathing ring; the manual hammer comprises a hammer cylinder and a handle arranged on the hammer cylinder; the hammer barrel of the manual hammer is movably sleeved outside the embedded barrel of the fixed seat; and the fixed seat and the manual hammer are both formed by processing solid iron plates. According to the device, in the process that the breathing ring is smashed into soil, the breathing ring can be effectively protected and prevented from being damaged, meanwhile, stress on the breathing ring is more uniform, inclination is avoided, the placing effect of the breathing ring is better, and then the accuracy of carbon and nitrogen emission monitoring is guaranteed.

This invention discloses a cooling device and method for collecting soil respiration gases. The device includes a motor, a water pump, a breathing ring, a water pipe, a water bucket, a switch, an external power cord, a water inlet, and a water outlet. The motor and water pump are assembled together in a sheet metal assembly box. The motor is fixed to the cover on the top surface of the sheet metal assembly box, and the water pump is fixed to the base of the sheet metal assembly box. The motor and water pump are connected by an electric wire. The switch and external power cord are installed at the rear of the sheet metal assembly box. A water inlet is set on the side of the sheet metal assembly box near the water pump, and a water outlet is set at the front of the sheet metal assembly box. The water outlet is connected to the breathing ring through a water pipe, and the breathing ring is connected to the water bucket through a water pipe. Water in the water bucket is connected to the water inlet of the sheet metal assembly box through a water pipe. Ice blocks are placed in the water bucket. This invention solves the problem that the temperature in the breathing chamber gradually increases with the increase of the sealing time, thereby affecting the rate of soil respiration and carbon emissions.

The invention relates to the technical field of soil environment monitoring, and discloses a drilling type deep soil respiration measuring device which comprises a main body bracket, the limiting assembly comprises two supporting plates and two limiting pieces, the two supporting plates are fixedly connected to the two sides of the bottom of the main body support respectively, the two limiting pieces are arranged on the two supporting plates respectively, and the main body support is in limiting connection with the ground through the limiting pieces; the drilling assembly comprises a drilling part and a sealing part, the drilling part is arranged on the main body support and used for stretching into the ground for drilling, and the sealing part is arranged on the drilling part and used for sealing a drilled hole; the measuring assembly comprises a measuring piece and a cleaning piece, the measuring piece is arranged in the drilling piece, after the drilling piece conducts drilling, the measuring piece is used for conducting respiration measurement on soil in the drilling piece, and the cleaning piece is arranged in the measuring piece and used for cleaning the measuring piece. The device is compact in structure, convenient to move, relatively simple and convenient to operate, and beneficial to development of field multi-point and multi-depth soil respiration measurement work.

The embodiment of the invention provides a two-library soil carbon cycle simulation method under an erosion condition and related equipment, and belongs to the technical field of data processing, and the method comprises the following steps: obtaining soil data of a target area; dividing the target area into a plurality of sub-areas; calculating a carbon library component of each sub-region according to the soil data; updating the carbon library components according to an erosion-deposition rule, wherein the erosion-deposition rule comprises soil layer number transfer rates of an erosion area and a deposition area; and simulating the carbon circulation amount of the soil according to the updated carbon library components. Soil carbon circulation under the erosion condition within the global range is simulated according to soil data of a target area through a two-library soil model, carbon library components are updated according to an erosion-deposition rule, the erosion-driven carbon circulation process is simulated, and soil organic carbon component properties and soil respiratory capacity changes are studied.

The present application relates to a kind of carbon flux synchronous measurement experimental equipment, including the monitoring device for studying soil carbon flux and the transparent cylinder for cultivating plant, the middle part of the transparent cylinder is provided with baffle, for separating the ground part and the soil part of plant in two independent chambers, for accommodating the chamber side wall of plant soil part is also provided with liquid supply interface for providing nutrient solution to plant, the baffle is opened with the perforation for facilitating plant to pass through, the two ends of the transparent cylinder are connected on the monitoring hole of monitoring device respectively.The experimental equipment of the present application can be used to monitor the related parameters of soil respiration under ground, and also can be used to monitor the carbon flux variation parameters above ground, and at the same time, two groups of monitoring data above ground and underground are obtained, which is beneficial to further study the relationship of soil respiration, and has important significance for promoting the carbon flux research of terrestrial ecosystem.

The invention relates to the technical field of gas detection, in particular to a tropical forest slope self-stabilizing soil respiration monitoring device which comprises a controller and a monitoring cylinder, a supporting frame is arranged on the lower portion of the inner side wall of the monitoring cylinder, a telescopic piece and a stabilizing cylinder are arranged at the bottom of the supporting frame, and the telescopic piece is located in the stabilizing cylinder; an inserting cone is arranged at the bottom of the stabilizing cylinder, a fixing plate is arranged in the stabilizing cylinder, a driving disc is arranged in the inserting cone, and an output shaft of the telescopic piece is fixedly connected with the top of the driving disc; hinging rods are arranged on the fixing plate, hinging frames are arranged on the hinging rods, the hinging frames are hinged to the transmission disc, stabilizing assemblies are arranged on the hinging frames, and adaptive assemblies are arranged in stabilizing cylinders; and a monitoring assembly is arranged in the monitoring cylinder. After the inserting cone and the stabilizing cylinder go deep into the soil layer, the stabilizing cylinder and the inserting cone are secondarily fixed through the stabilizing assembly, the fixing effect of the stabilizing cylinder and the inserting cone in the soil is improved, and therefore the possibility that the monitoring device inclines under the action of gravity or under the action of external force is reduced.

The application discloses a screening method of a biochar modifier suitable for waste ionic rare earth tailing area soil emission reduction and carbon fixation, which comprises the following steps: (1) selecting different biochars, and determining physical and chemical properties of the biochars; (2) performing soil culture test, adding the different biochars into soil by adopting indoor constant-temperature and constant-humidity culture alkali absorption method, and performing soil respiration test determination; (3) calculating soil organic carbon mineralization properties of each group in different culture time sections; and (4) when the soil organic carbon mineralization rate is stable, analyzing the correlation between the soil organic carbon cumulative mineralization amount and the physical and chemical properties of the biochar. The application improves the soil emission reduction and carbon fixation capacity of the waste ionic rare earth tailing area, and also obtains an optimal reference range of the physical and chemical properties of the biochar, thereby providing a theoretical basis for screening the biochar with weak soil organic carbon mineralization in the waste ionic rare earth tailing area. Moreover, the biochar also has a certain effect on the improvement of soil fertility.

Belonging to the technical field of soil organic carbon determination, the invention discloses a multi-point synchronous diffusion type soil organic carbon stability determination system, which comprises: at least one soil breathing chamber for covering a to-be-measured soil or culture container to form a gas collection space; the at least one CO2 sensor is arranged in the soil breathing chamber, is communicated with the gas collecting space and is used for detecting the CO2 concentration in the gas collecting space; by designing the special field soil breathing chamber base and the indoor soil breathing chamber base, the same set of core sensing and collecting system can be seamlessly adapted to the natural soil surface and the laboratory standard container. It is ensured that an indoor control experiment and field in-situ observation can adopt identical measurement standards and equipment, the consistency and comparability of research data are improved, and experiment configuration is simplified.

The utility model provides a soil breathing chamber suitable for a complex environment, which comprises a soil ring, the soil ring is detachably connected with a mounting plate through a clamp assembly, the mounting plate is fixedly connected with a support, a ground nail is fixedly arranged on the support, and the lower end of the soil ring is inserted into soil; the upper cover seals the upper end opening of the soil ring to form a sampling cavity; the gas analyzer is used for collecting the gas in the sampling cavity for detection. The utility model has the beneficial effects that the soil ring is detachably connected with the bracket through the clamp assembly, so that the soil rings with different lengths can be conveniently replaced according to use scenes, the application range is widened, and the working efficiency in the mounting process is improved.

The utility model relates to the field of ancient tree transplanting, and discloses an ancient tree transplanting water replenishing protection device which comprises a transplanting pile and a transplanting pot, the transplanting pot is placed in the transplanting pile, a plurality of sets of exhaust holes are machined in the outer wall of the transplanting pile, four sets of sleeves standing on the ground are arranged outside the transplanting pile, and water supply rings are fixedly connected to the exteriors of the sleeves. A supporting rod is inserted into the sleeve, and a locking bolt is fixedly connected between the supporting rod and the sleeve. According to the water supplementing protection device for ancient tree transplantation, through the arrangement of the spray heads, after an ancient tree is transplanted into a transplanting pot in a transplanting pile, water in a water tank is pumped out through a water pump and fed into the spray heads to be sprayed to the ancient tree for water supplementing, water flow infiltrates into the transplanting pile, excessive water is discharged from exhaust holes for soil breathing, and a distributor can rotate by an angle; meanwhile, a locking bolt can be opened, the height of the supporting rod is adjusted to be locked so as to adapt to ancient trees of different heights and varieties, and the problems that transplanting flexibility is poor and the water supplementing effect is poor are solved.

Soil Respiration Measurement Device

The utility model discloses a built-in soil respiration monitoring system capable of multi-point joint synchronous measurement, which comprises an air chamber, a hemispherical structure is adopted, a light source module, a detection module and a temperature, humidity and pressure sensor are integrated in the air chamber, the light source module emits infrared light with fixed intensity, and the detection module receives a light intensity signal and calculates a CO2 concentration value in a closed space of the air chamber; the top end of the sealing soil ring is tightly attached to the bottom end of the air chamber through a rubber sealing gasket to form a closed space; the ventilation balance valve is used for maintaining air pressure balance inside and outside the air chamber; the driving shaft is connected with the motor and the air chamber support to control opening and closing of the air chamber, and the driven shafts are symmetrically distributed below the driving shaft to stabilize the motion trail. The built-in structure of the CO2 gas analyzer is adopted, measurement can be directly carried out in the gas chamber, an external gas path pipeline is not needed, gas transmission delay can be reduced, and response time can be shortened; the soil respiration monitoring system has the advantages that the soil respiration monitoring system is simple in structure and free of external environment interference, multi-point joint networking synchronous observation within a visual distance of about 10km is realized based on the LoRa central data acquisition controller, and meanwhile, the soil respiration monitoring system is applicable to various complex ecological systems by adopting a firm and durable shell, so that technical support is provided for climate change research.

1. The name of the design product: soil respiration detection equipment. 2. The use of the design product: the design product is used to monitor the gas data of the gas released by soil respiration, such as the gas flux, gas emission and gas absorption of various gases produced by soil respiration. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention relates to a soil respiration parameter detection method and system based on time-sharing cooperative control of closed-loop gas circuits of multiple breathing chambers. The method comprises the steps that an air pump is started, air valve control signals are sent to an air valve decoder, corresponding air valve pairs are driven to be opened synchronously, and selected breathing chamber units are connected into a loop; a box body closing signal is sent to the breathing chamber decoder, the selected breathing chamber unit is driven to be closed, meanwhile, the corresponding air valve pair is maintained to be opened, air of the selected breathing chamber unit circulates in the air path detection loop, and soil breathing parameters are collected and analyzed in real time through the detection and analysis assembly; when the preset measurement duration is reached, loop gas washing is executed; and the air valve pairs are sequentially updated and activated, so that the breathing chamber units repeatedly execute the operation sequence until all the breathing chamber units are detected, and then the air pump is closed. According to the invention, high-precision, high-efficiency and low-interference automatic dynamic monitoring of soil respiration parameters is realized, and technical support is provided for applications such as agro-ecological management and carbon cycle model construction.

The invention discloses a forest management decision-making method and system based on a carbon sink value, and relates to the technical field of forest carbon sink management, and the method comprises the steps: collecting multi-source remote sensing data, ground sensor data and carbon market price data of a target forest stand, and carrying out the preprocessing, and obtaining standardized spatio-temporal data; based on the standardized data set, the forest carbon sink rate representing the forest carbon sequestration capacity and the soil respiration rate representing the soil carbon emission intensity are calculated respectively, and the ecological net carbon sink rate is obtained by subtracting the forest carbon sink rate from the soil respiration rate; monitoring the ecological net carbon sink rate through a net carbon threshold value set according to the forest stand type and the site condition, and when it is judged that the ecological net carbon sink rate continuously decreases and is lower than the net carbon threshold value, triggering a rotation cutting decision process; and receiving a rotation decision flow. The scheme with the optimal long-term carbon sink value is selected through multi-criterion decision, and unification of ecological benefits and economic values is achieved.

The invention belongs to the technical field of soil improvement, and particularly relates to a method for improving soil carbon sink based on carbon dioxide nanobubble / chemical energy autotrophic microbial agent / low-release charcoal coupling. The method comprises the following steps: mixing and stirring a chemoautotrophic microbial agent, low-release charcoal obtained by saccharifying and pyrolyzing biomass straws, and carbon dioxide nano bubble water in soil. Compared with the prior art, the method has the advantages that the organic carbon content of the soil can be greatly increased, and meanwhile, the soil pH is not reduced, the salt concentration is not increased, and the soil respiration is not greatly increased, that is, the soil acidification, the soil salinization and the increase of CO2 emission caused by the soil respiration are avoided. The method is a green, efficient and pollution-free soil improvement technology.

The invention relates to a soil respiration CO2 flux and delta 13C flux determination method and device, and belongs to the technical field of soil detection.The method comprises the steps that measurement deviation correction is conducted on a gas concentration detection device through standard gas, and the measurement deviation value of the gas concentration detection device is obtained; performing data acquisition on the soil respiration CO2 amount through a gas concentration detection device, and performing data screening on the acquired soil respiration CO2 amount data based on gas chamber exhaust characteristics of the gas concentration detection device to obtain effective acquisition data of the soil respiration CO2 amount in a gas chamber; on the basis of the measurement deviation value of the gas concentration detection device, measurement deviation correction is conducted on effective collection data of the soil respiration CO2 amount in the gas chamber, and the corrected soil respiration CO2 concentration value is obtained; the soil respiration CO2 flux is determined on the basis of the corrected soil respiration CO2 concentration value, and the delta 13C flux is determined on the basis of the 12CO2 flux and the 13CO2 flux in the soil respiration CO2 flux, so that the measurement accuracy of the soil respiration CO2 flux and the delta 13C flux is improved.

The application discloses a soil respiration gas collecting device suitable for a coastal wetland, which comprises a bottom-hollow collecting cylinder, a one-way air outlet pipe is inserted on the collecting cylinder, one end of the one-way air outlet pipe is communicated with a gas collecting container, an intelligent sensor is arranged on the gas collecting container, a bearing base is sleeved on the outer wall of the collecting cylinder, a plurality of groups of inserts are arranged on the bottom of the bearing base, and a protection mechanism is arranged on the bearing base and comprises a plurality of groups of V-shaped guide plates which are arranged in a circular array on the outer side of the circumference of the collecting cylinder and are located above the bearing base, and one side of the guide plate is connected with the outer wall of the collecting cylinder through a plurality of groups of elastic buffers. The protection mechanism is arranged, the V-shaped guide plates can remove the impact of the sea waves to the two sides, the impact force is elastically buffered in combination with the elastic buffers, the displacement or inclination of the collecting cylinder caused by the impact of the sea waves is effectively prevented, even the collecting cylinder is separated from the position, stable gas collecting and detecting work is ensured, and the service life of the box and other structures is prolonged.

The application provides a kind of driving factor influence identification method for natural vegetation soil respiration and component, belong to environmental science and technology field.The method includes: through literature research, extract relevant data, obtain response variable, and carry out hierarchical classification to driving factor and climate condition, the data that cannot be obtained from literature is supplemented by field experiment data, quantifies the overall influence size of different levels of driving factor on response variable and soil respiration and component index under different climate vegetation conditions;Calculate the contribution size of climate vegetation condition to soil respiration and component change under the action of driving factor;Test the correlation and importance between each response variable;Analyze the multi-factor influence of typical climate driving factor and vegetation condition on soil respiration and component.The application clarifies the influence mechanism of natural driving factor on soil carbon release process under different climate conditions, and can provide key parameters for further carbon cycle simulation.

The application discloses a soil carbon fixation and emission reduction detection method based on soil respiration monitoring, and relates to the technical field of environmental monitoring of soil carbon fixation and emission reduction, and comprises the following steps: step S1) arranging a limited number of soil respiration sensors in a target area; and step S2) constructing a dynamic weight space mapping system: fusing a soil property map, a vegetation index sequence and a micro-topographic elevation model obtained through remote sensing to generate a spatial heterogeneity weight base map. The soil carbon fixation and emission reduction detection method based on soil respiration monitoring solves the problem of soil respiration spatial heterogeneity representation through the dynamic weight space mapping system, provides a spatial rule scale for sparse sensor data, and eliminates the distortion risk of traditional uniform arrangement and mechanical interpolation in the slope mutation area. A two-stage collaborative verification mechanism guarantees the reliability from the spatial pattern and physical measurement dimensions.

The utility model discloses a soil respiration carbon collecting device which comprises a soil culture unit and an alkali liquor storage unit, the soil culture unit comprises a culture bottle body and a culture bottle cap, and the alkali liquor storage unit comprises an alkali liquor storage bottle and a connecting element. During measurement, soil is evenly laid at the bottom of an inner cavity of the culture bottle body, the water content of the soil is adjusted to the soil water-holding capacity meeting the measurement condition through deionized water, gas in the culture bottle body is emptied after pre-culture, and after the soil is cultured to be in a stable state, prepared alkali absorption liquid is put into the alkali liquor storage bottle, the alkali liquor storage bottle is put into the culture bottle body, and the soil is placed in the culture bottle body. The length of the connecting element is adjusted, the connecting element is connected with the culture bottle cap, so that a proper distance is kept between the alkali liquor storage bottle and soil in the culture bottle body, and the culture bottle cap is covered. According to the soil respiration carbon collecting device, the integrated design is adopted, moving and taking are convenient, all accessory materials of the device can be repeatedly used, and cost is low.

The utility model discloses a biochar carbon sequestration and emission reduction soil respiration detection device which comprises a box body, a transverse plate is arranged on the lower portion in the box body, a data recording unit is arranged at the top of the transverse plate, a processing unit is arranged at the top of the transverse plate, air outlets are formed in the two sides of the box body, and the air outlets are communicated with the air outlets. A temperature and humidity control device is arranged on one side of the data recording unit and comprises a driving part arranged on one side of the box body. The utility model relates to the technical field of carbon sequestration and emission reduction, and discloses a biochar carbon sequestration and emission reduction soil respiration detection device which can simulate according to an actual external environment through the cooperation of a box body, a temperature and humidity control device, an air outlet and a water supplementing and draining pipe, and can be used for manufacturing soil samples with biochar in different proportions; therefore, the comprehensive systematicness and accuracy of the detection data can be ensured, and the reasonable and scientific use of the biochar carbon sequestration and emission reduction soil respiration detection device is realized.

The application discloses a method for predicting spatial distribution of soil respiration temperature sensitivity, comprising the following steps: step 1, data acquisition and processing; step 2, calculating parameters of Van't Hoff index chemical reaction-temperature equation; step 3, calculating soil respiration temperature sensitivity Q 10 ; step 4, obtaining influence factor data of soil respiration temperature sensitivity Q 10 and processing; step 5, building a deep neural network model and training; step 6, determining spatial distribution of soil respiration temperature sensitivity Q 10 of a research area. The method greatly enriches the availability of existing data and significantly improves the ability to extract effective information from soil respiration data; at the same time, on the basis of enriching the availability of data, a deep neural network model is used to build a nonlinear relationship between soil respiration temperature sensitivity Q 10 and influence factors of Q 10 , and successfully extends point-scale Q 10 to regional scale, realizing prediction of spatial distribution of soil respiration temperature sensitivity.