Intelligent Forest and Grass Comprehensive Information Management System, Method and Equipment Based on Remote Sensing Technology

Abstract

The present invention provides an intelligent forest and grass comprehensive information management system, method and device based on remote sensing technology. The forest and grass vegetation coverage area is converted into vector polygons based on the remote sensing image information obtained by satellites; the unmanned aerial vehicle is directly above the polygon line of the land to be measured and flies horizontally at a constant speed in a clockwise direction along the n-sided edges of the area to be measured starting from the starting corner point. Record the start time t0, record the end times t1, t2, t3 above the first, second, and third sides, and calculate the area #imgabs0#; when n≥4, after the unmanned aerial vehicle completes flying around the polygon and returns to the starting corner point, it starts to fly in a straight line in sequence between the odd corner points in the internal area of the polygon in a clockwise direction, maintaining a constant speed v until the area to be measured of the polygon is divided into n-2 triangular areas, and the areas S1, S2, ……, S of each triangle are calculated in sequence based on the lengths of the three sides of the measured triangles v ; calculate the area S = S1 + S2 + …… + S n‑2 ; The system includes multiple functional modules for forest and grass management work. n‑2 ​

Description

Technical Field

[0001] The present invention relates to a surveying and mapping method, and particularly to an integrated intelligent forest and grass information management system, method and device based on remote sensing technology. Background Art

[0002] Forest and grass resources are important natural resources. Through scientific management of forest and grass resources, maintaining the healthy vitality and biodiversity of forest and grass ecosystems can meet the needs of forest and grass products and their environmental service functions during economic development, and ensure and promote the sustainable and coordinated development of population, resources, environment, society and economy, enabling forest and grass resources to play an important role in the construction of ecological civilization.

[0003] Remote sensing technology has characteristics such as macroscopicity, comprehensiveness, and low cost, and is an important means for studying the monitoring and protection of forest and grass resources. By using modern tools such as satellites and unmanned aerial vehicles (UAVs) and loading sensor devices, various information of forest and grass resources can be obtained from a distance.

[0004] The forest and grass coverage area is an important piece of information in the investigation and management of forest and grass resources. Based on the classification tools in remote sensing image processing, classifying and statistically analyzing the image information, and finally converting the forest and grass vegetation into vector polygons to calculate the area is the current mainstream method, but its accuracy still has certain deficiencies. Therefore, after converting the forest and grass covered area into vector polygons, the flight route of the UAV can be designed and planned to verify the area information of the target area, which is of great significance for promoting the management of forest and grass resources and innovating and improving the forest resource management mechanism. Summary of the Invention

[0005] Therefore, in order to realize the area surveying and mapping of forest and grass resources and the informatization of the management workflow, the present invention designs an integrated intelligent forest and grass information management system, method and device based on remote sensing technology.

[0006] The technical solution adopted by the present invention is: an integrated intelligent forest and grass information management method based on remote sensing technology, characterized in that:

[0007] Step 1: Classify the remote sensing image information obtained by the satellite, and convert the forest and grass vegetation covered area into vector polygons;

[0008] Step 2: The UAV is built-in with a positioning module, a communication module, a UAV processor and a UAV memory. Plan the flight route of the UAV. Suppose the polygon has n sides, and number each corner point in clockwise order starting from the starting corner point, which are 1, 2,..., n respectively;

[0009] Step 3: The UAV is directly above the polygon line of the land to be measured, and moves clockwise along the polygon side of the area to be measured from the starting corner point 1 at a constant speed vFly horizontally, record the start time t0 and end time t1 above the first side line, record the end time t2 above the second side line, record the end time t3 above the third side line, ……, record the end time t above the nth side line n ;

[0010] Step 4, when n = 3, calculate the area of the forest and grass vegetation coverage area to be measured

[0011] ;

[0012] Step 5, when n ≥ 4, after the UAV completes the fly-around polygon and returns to the starting corner point 1, it starts to fly straight sequentially in a clockwise direction between the odd corner points in the internal area of the polygon, maintaining a constant speed v , until the polygon to be measured area is divided into n - 2 triangular areas, that is, on the basis of step 3, measure n - 3 more line segment lengths, and record the times when the UAV arrives at each corner point as t n+1 、t n+2 、……、t n+n-4 、t n+n-3 ;

[0013] Step 6, referring to the calculation method in step 4, calculate the areas S1, S2, ……, S of each triangle based on the lengths of the three sides of the measured triangles n-2 ;

[0014] Step 7, calculate the area S of the forest and grass vegetation coverage area to be measured = S1 + S2 + …… + S n-2 .

[0015] A smart forest and grass comprehensive information management system based on remote sensing technology, characterized in that:

[0016] It includes an execution module, a message push module, data collection and processing, a patrol track recording and reporting module, an event reporting module, a fire alarm module, an assessment module, and an information sharing and publishing module.

[0017] The execution module is used to control the UAV to measure the area of the forest and grass vegetation coverage area to be measured. The UAV is built-in with a positioning module, a communication module, a UAV processor, and a memory. The specific steps are as follows:

[0018] (1) Classify the remote sensing image information obtained based on satellites, and convert the forest and grass vegetation coverage area into a vector polygon;

[0019] (2) The UAV is built-in with a positioning module, a communication module, a UAV processor, and a memory. Plan the flight route of the UAV. Suppose the polygon has n sides, and number each corner point in a clockwise direction starting from the starting corner point, which are 1, 2, ……, n;

[0020] (3) The drone is directly above the polygonal line of the land to be measured and flies horizontally at a constant speed in a clockwise direction along the polygonal sides of the area to be measured, starting from the starting corner point 1. Record the start time t0 and the end time t1 above the first side line, record the end time t2 above the second side line, record the end time t3 above the third side line, ……, record the end time t above the nth side line. v (3) The drone is directly above the polygonal line of the land to be measured and flies horizontally at a constant speed in a clockwise direction along the polygonal sides of the area to be measured, starting from the starting corner point 1. Record the start time t0 and the end time t1 above the first side line, record the end time t2 above the second side line, record the end time t3 above the third side line, ……, record the end time t above the nth side line. n ;

[0021] (4) When n = 3, calculate the area of the forest and grass vegetation coverage area to be measured.

[0022] ;

[0023] (5) When n ≥ 4, after the drone completes flying around the polygon and returns to the starting corner point 1, it starts to fly in a straight line in sequence among the odd corner points in the internal area of the polygon in a clockwise direction at a constant speed until the polygon area to be measured is divided into n - 2 triangular areas, that is, on the basis of step 3, measure n - 3 more line segment lengths, and record the times when the drone reaches each corner point as t v , t n+1 , t n+2 , ……, t n+n-4 , t n+n-3 ;

[0024] (6) Referring to the calculation method in step (4), calculate the areas S1, S2, ……, S of each triangle based on the lengths of the three sides of the measured triangles in sequence. n-2 ;

[0025] (7) Calculate the area S of the forest and grass vegetation coverage area to be measured: S = S1 + S2 + …… + S n-2 .

[0026] The message push module is used to push messages to the user to remind the user to handle events in a timely manner or view the corresponding messages.

[0027] The data collection and processing module processes and stores data such as forest and grass growth information, forest ranger information, grassland ranger information, supervisors, technicians, team leaders, township boundary data, village boundary data, residential point data, responsibility area grid data, work plans, work systems, policies and regulations, and forest and grass information.

[0028] The patrol track recording and reporting module is used to record and report the track data of forest rangers and grassland rangers and report it to the forest chief and grassland chief.

[0029] The event reporting module is used for forest rangers and grassland rangers to report various problems during the patrol process.

[0030] The fire alarm module allows forest rangers and grass rangers to send forest and grass fire information to the fire alarm.

[0031] The assessment and evaluation module assesses and evaluates the forest and grassland protection work of forest chiefs, grassland chiefs, forest rangers and grassland rangers in accordance with the relevant indicators of the forest and grassland chief system work assessment method.

[0032] The information sharing and publishing module publishes and shares the inspection work of forest and grass growers, problem handling, and assessment results.

[0033] A smart forest and grassland integrated information management device based on remote sensing technology, characterized by:

[0034] The drone includes a drone and a computer terminal. The drone has a built-in positioning module, a communication module, a drone processor and a drone memory. The drone executes the task instructions issued by the computer terminal. The drone memory stores vector polygonal geographic information data of forest and grass vegetation coverage areas, the drone's flight plan data, speed v , the time t0, t1, t2, t3 to fly to each corner point in the triangle area measurement, the time t0, t1, t2, t3, ..., t to fly to each corner point in the polygonal area measurement of n ≥ 4 n ,t n+1 ,t n+2 ,……,t n+n-4 ,t n+n-3 .

[0035] The computer terminal has a built-in communication module and also includes a computer terminal processor, a computer terminal memory, and a computer program stored in the computer terminal memory and configured to be executed by the computer terminal processor. When the computer terminal processor executes the computer program, it can control and implement the above-mentioned smart forestry and grassland comprehensive information management method based on remote sensing technology, and realize the above-mentioned smart forestry and grassland comprehensive information management system based on remote sensing technology.

[0036] The principle of a smart forest and grassland integrated information management method based on remote sensing technology in the present invention is:

[0037] Heron's formula can be used to calculate the area of ​​a triangle. Assume that the three sides are a, b, and c.

[0038] ,

[0039] Substitution back, ;

[0040] In step 3 of the above method, a = v (t1-t0), b= v (t2-t1), c= v(t3 - t2), substituting it into the above formula, the formula in step 4 can be obtained; using the same principle, a polygon with n≥4 can be divided into n - 2 triangles, and the total area of the forest and grass vegetation coverage area to be measured can be obtained by calculating the area of each triangle and then accumulating them.

[0041] The intelligent integrated information management system, method and device for forest and grass based on remote sensing technology of the present invention have the following advantages:

[0042] (1) Converting the forest and grass coverage area to be measured obtained by satellite into a vector polygon, and planning the flight route of the unmanned aerial vehicle according to the polygon geographic information data, which is practical and effective;

[0043] (2) Dividing the polygon area with n≥4 into n - 2 triangles to calculate the area respectively and then accumulating to calculate the total area, with a novel concept;

[0044] (3) The system integrates basic information such as forest and grass area and the management work process, and manages forest and grass efficiently.

[0045] Therefore, this intelligent integrated information management system, method and device for forest and grass based on remote sensing technology can realize the area mapping of forest and grass resources and the informatization of the management work flow.

[0046] Other features and advantages of the present invention will be described in the subsequent description, or understood by implementing the present invention. Brief Description of the Drawings

[0047] The drawings are only for the purpose of showing specific embodiments, and are not considered as a limitation of the present invention. Throughout the drawings, the same reference signs represent the same components.

[0048] Figure 1 It is a schematic diagram of the area to be measured of the triangular forest and grass coverage area.

[0049] Figure 2 It is a schematic diagram of the area to be measured of the quadrilateral forest and grass coverage area.

[0050] Figure 3 It is a schematic diagram of the area to be measured of the pentagon forest and grass coverage area.

[0051] Figure 4 It is a schematic diagram of the area to be measured of the hexagon forest and grass coverage area.

[0052] Figure 5 It is a schematic diagram of the area to be measured of the heptagon forest and grass coverage area.

[0053] Figure 6 It is a flowchart of the area calculation method for the forest and grass coverage area to be measured in the present invention.

[0054] Reference numerals in the figure: 1 - initial corner point, 2 - second corner point, 3 - third corner point, 4 - fourth corner point, 5 - fifth corner point, 6 - sixth corner point, 7 - seventh corner point. Detailed implementation

[0055] The following will further describe in detail a smart forest and grass comprehensive information management system, method, and device of the present invention in conjunction with the accompanying drawings and embodiments.

[0056] The technical solution adopted by the present invention is as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 shown: A smart forest and grass comprehensive information management method based on remote sensing technology, characterized in that:

[0057] Step 1: Classify the remote sensing image information obtained by the satellite, and convert the forest and grass vegetation coverage area into a vector polygon.

[0058] Step 2: The unmanned aerial vehicle (UAV) is built-in with a positioning module, a communication module, a UAV processor, and a UAV memory. Plan the flight route of the UAV. Assume that the polygon has n sides, and number each corner point in a clockwise direction starting from the initial corner point, which are 1, 2,..., n respectively.

[0059] Step 3: The UAV is directly above the polygon line of the land to be measured, and flies horizontally at a constant speed in a clockwise direction along the polygon side of the area to be measured, starting from the initial corner point 1. Record the start time t0 and the end time t1 above the first side line, record the end time t2 above the second side line, record the end time t3 above the third side line,..., and record the end time t v above the nth side line. n ;

[0060] Step 4: When n = 3, calculate the area of the forest and grass vegetation coverage area to be measured

[0061] ;

[0062] Step 5: When n ≥ 4, after the UAV completes flying around the polygon and returns to the initial corner point 1, it starts to fly in a straight line in a clockwise direction between the odd corner points in the inner area of the polygon at a constant speed v , until the polygon area to be measured is divided into n - 2 triangular areas, that is, on the basis of step 3, measure n - 3 more line segment lengths, and record the times when the UAV reaches each corner point as t n+1 , t n+2 ,..., t n+n-4 , t n+n-3 ;

[0063] Step 6, referring to the calculation method in Step 4, calculate the areas S1, S2, ……, S of each triangle in sequence based on the measured lengths of the three sides of the triangle n-2 ;

[0064] Step 7, calculate the area S of the forest and grass vegetation coverage area to be measured, S = S1 + S2 + …… + S n-2 。

[0065] In specific implementation, as Figure 1 shown, only need to fly from the initial corner point 1 to 2, 3, 1 in sequence

[0066] As Figure 2 shown, for a quadrilateral, after flying from the initial corner point 1 to 2, 3, 4, 1 in sequence, it is also necessary to fly from 1 to 3

[0067] As Figure 3 shown, for a pentagon, after flying from the initial corner point 1 to 2, 3, 4, 5, 1 in sequence, it is also necessary to fly from 1 to 3, 5

[0068] As Figure 4 shown, for a hexagon, after flying from the initial corner point 1 to 2, 3, 4, 5, 6, 1 in sequence, it is also necessary to fly from 1 to 3, 5, 1

[0069] As Figure 5 shown, for a heptagon, after flying from the initial corner point 1 to 2, 3, 4, 5, 6, 7, 1 in sequence, it is also necessary to fly from 1 to 3, 5, 7, 3

[0070] A smart forest and grass comprehensive information management system based on remote sensing technology, characterized in that:

[0071] It includes an execution module, a message push module, data collection and processing, a patrol track recording and reporting module, an event reporting module, a fire alarm module, a performance evaluation module, and an information sharing and publishing module

[0072] The execution module is used to control the drone to measure the area of the forest and grass vegetation coverage area to be measured. The drone is built-in with a positioning module, a communication module, a drone processor, and a memory. The specific steps are as follows:

[0073] (1) Classify the remote sensing image information obtained based on the satellite, and convert the forest and grass vegetation coverage area into a vector polygon

[0074] (2) The drone is built-in with a positioning module, a communication module, a drone processor, and a memory. Plan the flight route of the drone. Assume that the polygon has n sides, and number each corner point in sequence in the clockwise direction starting from the starting corner point, which are 1, 2, ……, n

[0075] (3) The drone is directly above the polygonal line of the land to be measured and flies horizontally at a constant speed in a clockwise direction along the polygonal sides of the area to be measured starting from the starting corner point 1. Record the start time t0 and end time t1 above the first side line, record the end time t2 above the second side line, record the end time t3 above the third side line, ……, record the end time t above the nth side line. v n n ;

[0076] (4) When n = 3, calculate the area of the forest and grass vegetation coverage area to be measured.

[0077] ;

[0078] (5) When n ≥ 4, after the drone completes flying around the polygon and returns to the starting corner point 1, it starts to fly in a straight line in a clockwise direction in turn between the odd corner points in the internal area of the polygon at a constant speed until the polygon area to be measured is divided into n - 2 triangular areas, that is, on the basis of step 3, measure n - 3 more line segment lengths, and record the times when the drone reaches each corner point as t v n+1 n+1 、t n+2 、……、t n+n-4 、t n+n-3 ;

[0079] (6) Referring to the calculation method in step (4), calculate the areas S1, S2, ……, S of each triangle based on the lengths of the three sides of the measured triangles in turn. n-2 ;

[0080] (7) Calculate the area S of the forest and grass vegetation coverage area to be measured, where S = S1 + S2 + …… + S n-2 .

[0081] The message push module is used to push messages to users to remind them to handle events in a timely manner or view corresponding messages.

[0082] The data collection and processing module processes and stores data such as forest and grass growth information, forest rangers' information, grass rangers' information, supervisors, technicians, team leaders, township boundary data, village boundary data, residential point data, responsibility area grid data, work plans, work systems, policies and regulations, and forest and grass information.

[0083] The patrol track recording and reporting module is used to record and report the track data of forest rangers and grass rangers and report it to forest chiefs and grass chiefs.

[0084] The event reporting module is used for forest rangers and grass rangers to report various problems during the patrol process.

[0085] The fire alarm module allows forest rangers and grass rangers to send forest and grass fire information to the fire alarm.

[0086] The assessment and evaluation module assesses and evaluates the forest and grassland protection work of forest chiefs, grassland chiefs, forest rangers and grassland rangers in accordance with the relevant indicators of the forest and grassland chief system work assessment method.

[0087] The information sharing and publishing module publishes and shares the inspection work of forest and grass growers, problem handling, and assessment results.

[0088] A smart forest and grassland integrated information management device based on remote sensing technology, characterized by:

[0089] The drone includes a drone and a computer terminal. The drone has a built-in positioning module, a communication module, a drone processor and a drone memory. The drone executes the task instructions issued by the computer terminal. The drone memory stores vector polygonal geographic information data of forest and grass vegetation coverage areas, the drone's flight plan data, speed v , the time t0, t1, t2, t3 to fly to each corner point in the triangle area measurement, the time t0, t1, t2, t3, ..., t to fly to each corner point in the polygonal area measurement of n ≥ 4 n ,t n+1 ,t n+2 ,……,t n+n-4 ,t n+n-3 .

[0090] The computer terminal has a built-in communication module and also includes a computer terminal processor, a computer terminal memory, and a computer program stored in the computer terminal memory and configured to be executed by the computer terminal processor. When the computer terminal processor executes the computer program, it can control and implement the above-mentioned smart forestry and grassland comprehensive information management method based on remote sensing technology, and realize the above-mentioned smart forestry and grassland comprehensive information management system based on remote sensing technology.

[0091] The principle of a smart forest and grassland integrated information management method based on remote sensing technology in the present invention is:

[0092] Heron's formula can be used to calculate the area of ​​a triangle. Assume that the three sides are a, b, and c.

[0093] ,

[0094] Substitution back, ;

[0095] In step 3 of the above method, a = v (t1-t0), b= v (t2-t1), c= v(t3 - t2), after substituting it into the above formula, the formula in step 4 can be obtained; using the same principle, a polygon with n≥4 can be divided into n - 2 triangles, and the total area of the forest and grass vegetation coverage area to be measured can be obtained by calculating the area of each triangle separately and then accumulating them.

[0096] In the above description, * represents the multiplication sign.

[0097] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A method for comprehensive information management of intelligent forestry and grassland based on remote sensing technology, characterized in that: Step 1: Classify the remote sensing image information obtained by satellites and convert the forest and grass vegetation coverage area into vector polygons. Step 2: The UAV is equipped with a positioning module, a communication module, a UAV processor, and a UAV memory. Plan the flight route of the UAV. Suppose the polygon has n sides, and number each corner point in clockwise order starting from the starting corner point, which are 1, 2,..., n respectively. Step 3: The drone is directly above the polygonal line of the land to be measured and flies horizontally at a constant speed in a clockwise direction along the polygonal sides of the area to be measured starting from the starting corner point 1. Record the start time t0 and the end time t1 above the first side line, record the end time t2 above the second side line, record the end time t3 above the third side line, ……, record the end time tn above the nth side line. v n ; Step 4: When n = 3, calculate the area of the forest and grass vegetation coverage area to be measured. ； Step 5, when n≥4, after the UAV completes flying around the polygon and returns to the starting corner point 1, it starts to fly in a straight line in sequence among the odd corner points in the inner area of the polygon in a clockwise direction, maintaining a constant speed. v , until the polygon to-be-measured area is divided into n-2 triangular areas, that is, on the basis of Step 3, measure n-3 more line segment lengths, and record the times when the UAV reaches each corner point as t n+1 、t n+2 、……、t n+n-4 、t n+n-3 ; Step 6, referring to the calculation method in Step 4, calculate the areas S1, S2, ……, S of each triangle in sequence based on the lengths of the three sides of the measured triangles n-2 ; Step 7, calculate the area S of the forest and grass vegetation coverage area to be measured, where S = S1 + S2 + …… + S n-2 .

2. A system for comprehensive information management of intelligent forestry and grassland based on remote sensing technology, characterized in that: It includes an execution module, a message push module, data collection and processing, patrol track recording and reporting module, event reporting module, fire alarm module, assessment module, and information sharing and publishing module. The execution module is used to control the UAV to measure the area of the forest and grass vegetation coverage area to be measured. The UAV is equipped with a positioning module, a communication module, a UAV processor, and a memory. The specific steps are as follows: (1) Classify the remote sensing image information obtained by satellites and convert the forest and grass vegetation coverage area into vector polygons. (2) The UAV is equipped with a positioning module, a communication module, a UAV processor, and a memory. Plan the flight route of the UAV. Suppose the polygon has n sides, and number each corner point in clockwise order starting from the starting corner point, which are 1, 2,..., n respectively. (3) The drone is directly above the polygonal line of the land to be measured and flies horizontally at a constant speed in a clockwise direction along the polygonal sides of the area to be measured starting from the starting corner point 1. Record the start time t0 and the end time t1 above the first side line, record the end time t2 above the second side line, record the end time t3 above the third side line, ……, record the end time t above the nth side line. v n ; (4) When n = 3, calculate the area of the forest and grass vegetation coverage area to be measured. ； When n ≥ 4, after the UAV completes flying around the polygon and returns to the starting corner point 1, it starts to fly in a straight line in sequence among the odd corner points in the inner area of the polygon in a clockwise direction at a constant speed. v , until the polygon to-be-measured area is divided into n - 2 triangular areas, that is, on the basis of step 3, measure n - 3 more line segment lengths, and record the times when the UAV reaches each corner point as t n+1 , t n+2 , ……, t n+n-4 , t n+n-3 ; (6) Refer to the calculation method in step (4), and calculate the areas S1, S2, ……, S of each triangle in turn based on the lengths of the three sides of the measured triangle n-2 ; (7) Calculate the area S of the forest and grass vegetation coverage area to be measured, S = S1 + S2 + …… + S n-2 ; The message push module is used to push messages to users to remind them to handle events in a timely manner or view the corresponding messages. The data collection and processing module processes and stores the information on forest and grass growth, forest rangers, grass rangers, supervisors, technicians, team leaders, township boundary data, village boundary data, residential point data, responsibility area grid data, work plans, work systems, policies and regulations, and forest and grass information data. The patrol track recording and reporting module is used to record and report the track data of forest rangers and grass rangers and report it to the forest chief and grass chief. The event reporting module is used for forest rangers and grass rangers to report various problems during the patrol process. The fire alarm module is for forest rangers and grass rangers to send forest and grass fire information to the fire department. The assessment module assesses the forest and grass protection work of forest chiefs, grass chiefs, forest rangers, and grass rangers according to the relevant indicators of the forest and grass chief system work assessment method. The information sharing and publishing module publishes and shares the patrol work, problem handling, and assessment results of forest chiefs and grass chiefs.

3. A device for comprehensive information management of intelligent forestry and grassland based on remote sensing technology, characterized in that: It includes a drone and a computer terminal. The drone is built-in with a positioning module, a communication module, a drone processor, and a drone memory. The drone executes the task instructions sent by the computer terminal. The drone memory stores the vector polygon geographic information data of the forest and grass vegetation coverage area, the flight plan data of the drone, the speed v , the time t0, t1, t2, t3 for flying to each corner point during the measurement of a triangular area, and the time t0, t1, t2, t3, ……, t for flying to each corner point during the measurement of a polygon area with n≥4 n , t n+1 , t n+2 , ……, t n+n-4 , t n+n-3 ; The computer terminal is equipped with a communication module, and also includes a computer terminal processor, a computer terminal memory, and a computer program stored in the computer terminal memory and configured to be executed by the computer terminal processor. When the computer terminal processor executes the computer program, it can control and implement the intelligent forest and grass comprehensive information management method based on remote sensing technology as claimed in claim 1 and realize the intelligent forest and grass comprehensive information management system based on remote sensing technology as claimed in claim 2.

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