Ecological restoration evaluation method and system for high and steep slopes in cold and cold mountainous areas

Abstract

The invention relates to the technical field of slope ecological restoration evaluation, in particular to an ecological restoration evaluation method and system for a high and steep slope in a cold and cold mountainous area. The method comprises the following steps: acquiring ecological restoration status data of the high and steep slope in the cold and cold mountainous area; according to the ecological restoration current situation data, vegetation restoration state parameters of slope ecology are obtained; based on the ecological restoration current situation data, analyzing the water and soil conservation capability and nutritional value indexes of the slope soil, and obtaining soil restoration state parameters of the slope ecology through the water and soil conservation capability and the nutritional value indexes; the ecological restoration status data, the vegetation restoration state parameters and the soil restoration state parameters are combined to obtain slope ecological restoration evaluation indexes; and establishing a slope ecological restoration evaluation index system, and evaluating the ecological restoration condition of the high and steep slope in the cold and cold mountainous area according to the slope ecological restoration evaluation index system and the slope ecological restoration evaluation indexes. The method solves the problem of reasonably and effectively evaluating ecological restoration of the high and steep slope in the cold and cold mountainous area.

Description

Technical Field

[0001] The present invention relates to the technical field of slope ecological restoration evaluation, and in particular to a method and system for evaluating the ecological restoration of high and steep slopes in alpine mountainous areas. Background Art

[0002] The ecological restoration of steep slopes in alpine mountainous areas is extremely difficult due to the cold climate, poor soil, and difficulty in vegetation growth. Existing ecological restoration evaluation methods often ignore the special environmental factors in alpine mountainous areas, resulting in inaccurate evaluation results and difficulty in guiding actual ecological restoration work. Therefore, it is an urgent problem to more accurately evaluate the restoration effect of steep slopes in alpine mountainous areas and provide a scientific basis for subsequent restoration work. Summary of the invention

[0003] In view of the shortcomings of existing methods and the needs of practical applications, in order to provide a scientific basis for the ecological restoration of high and steep slopes in high-cold mountainous areas, and to solve the problem of accurately evaluating the ecological restoration effect of high and steep slopes in high-cold mountainous areas. On the one hand, the present invention provides an ecological restoration evaluation method for high and steep slopes in high-cold mountainous areas, comprising the following steps: The ecological restoration status data of high and steep slopes in high-cold mountainous areas are obtained; according to the ecological restoration status data, the vegetation restoration state parameters of the slope ecology are obtained; based on the ecological restoration status data, the soil and water conservation capacity and the nutritional value index of the slope soil are analyzed, and the soil restoration state parameters of the slope ecology are obtained through the soil and water conservation capacity and the nutritional value index; the slope ecological restoration evaluation index is obtained by combining the ecological restoration status data, the vegetation restoration state parameters and the soil restoration state parameters; a slope ecological restoration evaluation index system is established, and the ecological restoration of high and steep slopes in high-cold mountainous areas is evaluated according to the slope ecological restoration evaluation index system and the slope ecological restoration evaluation index. The present invention obtains a variety of restoration state parameters from the ecological restoration status data of high and steep slopes in high-cold mountainous areas, and then obtains the slope ecological restoration evaluation index in combination with the special environmental factors of high and steep slopes in high-cold mountainous areas, thereby conducting a scientific and reasonable evaluation, effectively solving the problem of accurately evaluating the ecological restoration effect of high and steep slopes in high-cold mountainous areas, and further providing a scientific basis for the ecological restoration work of high and steep slopes in high-cold mountainous areas.

[0004] Optionally, the ecological restoration status data includes vegetation status data, soil data, climate data and slope data. The ecological restoration status data obtained by the present invention combines the ecological restoration status and slope environmental data, takes into account the special environmental factors of high and steep slopes in high-cold mountainous areas, and further improves the evaluation accuracy of the present invention.

[0005] Optionally, obtaining the vegetation restoration status parameters of the slope ecology according to the ecological restoration status data comprises the following steps: Through the ecological restoration status data, the vegetation growth status, vegetation coverage change rate and biodiversity are obtained; and the vegetation restoration status parameters are obtained by combining the vegetation growth status, the vegetation coverage change rate and the biodiversity. The present invention obtains the vegetation restoration status of the slope ecology accurately by analyzing the vegetation restoration status parameters obtained through the vegetation status data.

[0006] Optionally, the vegetation restoration state parameter is obtained by combining the vegetation growth condition, the vegetation coverage change rate and the biodiversity, and satisfies the following formula: ,in, Indicates the vegetation restoration status parameter, represents the slope gradient, represents the number of trees, Indicates The diameter of a tree is meters, Indicates the number of shrubs, Indicates The area covered by shrubs, represents the slope surface area, represents the total coverage area of ​​trees in the slope, represents the total coverage area of ​​shrubs in the slope, Indicates the coverage area of ​​grass and vine plants in the slope, Indicates the number of plant species in the slope. The present invention constructs a formula model by analyzing the characteristics of trees, shrubs and herbaceous plants, which is conducive to objectively and accurately obtaining vegetation restoration state parameters.

[0007] Optionally, based on the ecological restoration status data, the soil and water conservation capacity of the slope soil is analyzed to meet the following formula: ,in, Indicates the soil and water conservation capacity of the slope soil. Indicates the soil thickness, Indicates the slope scour depth, represents the optimal soil compaction, Indicates soil compactness. Indicates the minimum value that prevents the denominator from being 0. represents the optimal soil moisture content, Indicates soil moisture content.

[0008] Optionally, based on the ecological restoration status data, the nutritional value index of the slope soil is analyzed to satisfy the following formula: ,in, Indicates the nutritional value index of slope soil. represents the nitrogen concentration of slope soil, represents the phosphorus concentration of slope soil, represents the potassium concentration of the slope soil, It indicates the difference between the pH value of slope soil and the ideal soil pH value. represents the organic carbon concentration of slope soil, Indicates the salt concentration of slope soil.

[0009] Optionally, the soil restoration state parameter of the slope ecology is obtained through the soil and water conservation capacity and the nutritional value index, which satisfies the following formula: ,in, The soil restoration state parameter representing the slope ecology, Indicates the soil and water conservation capacity of the slope soil. Indicates the nutritional value index of slope soil. The present invention uses a formula model to analyze and obtain from soil data Soil and water conservation capacity and nutritional value indicators are used to obtain soil restoration status parameters and objectively obtain soil restoration conditions.

[0010] Optionally, the step of combining the ecological restoration status data, the vegetation restoration status parameters and the soil restoration status parameters to obtain the slope ecological restoration evaluation index comprises the following steps: Constructing a slope ecological restoration evaluation index model; based on the slope ecological restoration evaluation index model, combined with the ecological restoration status data, the vegetation restoration status parameters and the soil restoration status parameters, obtaining the slope ecological restoration evaluation index.

[0011] Optionally, the slope ecological restoration evaluation index model satisfies the following formula: , in, represents the evaluation index of slope ecological restoration, represents the annual average day-night temperature difference of the slope, represents the annual average temperature of the slope, Indicates the number of days of frost-free period of the slope, Indicates the vegetation restoration status parameter, The soil restoration state parameter representing the slope ecology, represents the annual rainfall, represents the annual snowfall, The present invention utilizes the constructed slope ecological restoration evaluation index model, combines the slope meteorological data and environmental characteristics to accurately obtain the slope ecological restoration evaluation index, and is helpful to scientifically and rationally guide the slope ecological restoration work.

[0012] In the second aspect, in order to be able to efficiently execute the ecological restoration evaluation method for high and steep slopes in high-cold mountainous areas provided by the present invention, the present invention also provides an ecological restoration evaluation system for high and steep slopes in high-cold mountainous areas, including a processor, an input device, an output device, and a memory, wherein the processor, input device, output device, and memory are interconnected, wherein the memory is used to store a computer program, and the computer program includes program instructions, and the processor is configured to call the program instructions to execute the ecological restoration evaluation method for high and steep slopes in high-cold mountainous areas as described in the first aspect of the present invention. The ecological restoration evaluation system for high and steep slopes in high-cold mountainous areas of the present invention has a compact structure and stable performance, and can stably execute the ecological restoration evaluation method for high and steep slopes in high-cold mountainous areas provided by the present invention, further improving the overall applicability and practical application capabilities of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A flow chart of an ecological restoration evaluation method for high and steep slopes in a cold mountainous area provided by an embodiment of the present invention; Figure 2 A framework diagram of an ecological restoration evaluation system for high and steep slopes in high-cold mountainous areas provided by an embodiment of the present invention; Figure 3 A schematic diagram of the structure of an ecological restoration and evaluation device for high and steep slopes in alpine mountainous areas provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0014] The specific embodiments of the present invention will be described in detail below. It should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present invention. However, it is obvious to those of ordinary skill in the art that these specific details do not need to be adopted to implement the present invention. In other examples, in order to avoid confusing the present invention, known circuits, software or methods are not specifically described.

[0015] Throughout the specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "in one embodiment," "in an embodiment," "an example," or "an example" appearing in various places throughout the specification do not necessarily all refer to the same embodiment or example. In addition, particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or subcombination. In addition, it should be understood by those of ordinary skill in the art that the figures provided herein are for illustrative purposes and that the figures are not necessarily drawn to scale.

[0016] See also Figure 1In order to provide a scientific basis for the ecological restoration of high and steep slopes in high-cold mountainous areas, and solve the problem of accurately evaluating the ecological restoration effect of high and steep slopes in high-cold mountainous areas. The present invention provides an ecological restoration evaluation method for high and steep slopes in high-cold mountainous areas, such as Figure 1 As shown, the method comprises the following steps: S1. Obtain the current status data of ecological restoration of high and steep slopes in alpine mountainous areas.

[0017] In an embodiment, the ecological restoration status data of high and steep slopes in alpine mountainous areas include vegetation status data, soil data, climate data and slope data.

[0018] Vegetation status data, including data on trees, shrubs and herbaceous plants on steep slopes in high-cold mountainous areas, can be obtained by controlling drones for regular patrols and image recognition, or by controlling robots for regular measurements.

[0019] Soil data, including soil and water conservation data such as soil thickness, slope scouring depth, soil compactness, soil moisture content, and soil nutrient data such as nitrogen concentration, phosphorus concentration, potassium concentration, soil pH value, organic carbon concentration, and salt concentration of slope soil. In the embodiments, remote sensing technology can be used to obtain surface information from a long distance through sensors carried by remote sensing platforms such as satellites and drones. Spectral data in different bands can be used to analyze the spectral characteristics of the soil, thereby inferring the nutrient content of the soil. Relevant sensors can also be used to collect data regularly.

[0020] Climate data refers to the conventional climate data of the environment in which high and steep slopes in high-altitude mountainous areas are located. It can be retrieved from the climate station database or obtained by regularly collecting data using relevant sensors.

[0021] Slope data, including slope gradient, altitude and other geographic parameters. The slope gradient can be identified by drones or high-definition satellites.

[0022] S2. Obtain vegetation restoration status parameters of the slope ecology based on the ecological restoration status data.

[0023] In the embodiment, the step S2 of obtaining the vegetation restoration state parameters of the slope ecology according to the ecological restoration status data includes the following steps: S21. Obtain vegetation growth status, vegetation coverage change rate and biodiversity through the ecological restoration status data.

[0024] Specifically, the vegetation status data in the ecological restoration status data are analyzed, and the vegetation information of trees, shrubs, and herbaceous plants is counted.

[0025] Based on the statistical information, the vegetation growth status is obtained, which satisfies the following formula:

[0026] in, Indicates the vegetation growth status. represents the slope gradient, represents the number of trees, Indicates The diameter of a tree is meters, Indicates the number of shrubs, Indicates The area covered by shrubs, Indicates the slope surface area.

[0027] Furthermore, based on the statistical information, the vegetation coverage change rate is obtained, which satisfies the following formula:

[0028] in, represents the vegetation cover change rate, represents the total coverage area of ​​trees in the slope, represents the total coverage area of ​​shrubs in the slope, Indicates the coverage area of ​​grass and vine plants in the slope.

[0029] Furthermore, based on statistical information, the biodiversity is obtained, satisfying the following formula;

[0030] in, Represents biodiversity, Indicates the number of plant species in the slope.

[0031] S22. Combining the vegetation growth condition, the vegetation coverage change rate and the biodiversity, obtain the vegetation restoration status parameter.

[0032] Specifically, in step S22, the vegetation restoration state parameter is obtained by combining the vegetation growth status, the vegetation coverage change rate and the biodiversity, and satisfies the following formula:

[0033] in, Indicates the vegetation restoration status parameters.

[0034] S3. Based on the ecological restoration status data, the soil and water conservation capacity and nutritional value indicators of the slope soil are analyzed, and the soil restoration status parameters of the slope ecology are obtained through the soil and water conservation capacity and the nutritional value indicators.

[0035] In an embodiment, based on the ecological restoration status data, the soil and water conservation capacity of the slope soil is analyzed to meet the following formula:

[0036] in, Indicates the soil and water conservation capacity of the slope soil. Indicates the soil thickness, Indicates the slope scour depth, represents the optimal soil compaction, Indicates soil compactness. Indicates the minimum value that prevents the denominator from being 0. represents the optimal soil moisture content, Indicates soil moisture content.

[0037] Furthermore, based on the ecological restoration status data, the nutritional value index of the slope soil is analyzed to meet the following formula:

[0038] in, Indicates the nutritional value index of slope soil. represents the nitrogen concentration of slope soil, represents the phosphorus concentration of slope soil, represents the potassium concentration of the slope soil, It indicates the difference between the pH value of slope soil and the ideal soil pH value. represents the organic carbon concentration of slope soil, Indicates the salt concentration of slope soil.

[0039] Furthermore, the soil restoration state parameter of the slope ecology is obtained through the soil and water conservation capacity and the nutritional value index, which satisfies the following formula:

[0040] in, The soil restoration state parameter representing the slope ecology, Indicates the soil and water conservation capacity of the slope soil. An indicator of the nutritional value of slope soil.

[0041] S4. Combining the ecological restoration status data, the vegetation restoration status parameters and the soil restoration status parameters, obtain slope ecological restoration evaluation indicators.

[0042] Specifically, the step of combining the ecological restoration status data, the vegetation restoration status parameters and the soil restoration status parameters to obtain the slope ecological restoration evaluation index comprises the following steps: S41. Construct an evaluation index model for slope ecological restoration.

[0043] The slope ecological restoration evaluation index model satisfies the following formula:

[0044] in, represents the evaluation index of slope ecological restoration, represents the annual average day-night temperature difference of the slope, represents the annual average temperature of the slope, Indicates the number of days of frost-free period of the slope, Indicates the vegetation restoration status parameter, The soil restoration state parameter representing the slope ecology, represents the annual rainfall, represents the annual snowfall, Indicates the slope elevation.

[0045] It should be understood that the frost-free period in high-cold mountainous areas is between 80 and 120 days, and the altitude is between 1500 and 4000 meters. Therefore, the slope ecological restoration evaluation index model of the present invention can be implemented for conventional high-cold mountainous areas. If it is in extreme conditions, the slope ecological restoration evaluation index model needs to be adjusted according to actual conditions. At the same time, the values ​​of each parameter in the slope ecological restoration evaluation index model are all conventional measurement units, for example, the temperature is in Fahrenheit, the rainfall and snowfall are in millimeters, and the altitude is in meters, and the obtained indicators are dimensionless values.

[0046] S42. Based on the slope ecological restoration evaluation index model, combined with the ecological restoration status data, the vegetation restoration status parameters and the soil restoration status parameters, obtain the slope ecological restoration evaluation index.

[0047] In the embodiment, the ecological restoration status data, the vegetation restoration status parameters and the soil restoration status parameters are input into the slope ecological restoration evaluation index model, and the model output result is obtained as the slope ecological restoration evaluation index.

[0048] S5. Establish a slope ecological restoration evaluation index system, and evaluate the ecological restoration of high and steep slopes in alpine mountainous areas based on the slope ecological restoration evaluation index system and the slope ecological restoration evaluation indicators.

[0049] Specifically, the slope ecological restoration evaluation index system can be determined according to the expert discussion method. The slope ecological restoration effect can be evaluated overall through the slope ecological restoration evaluation indicators, or the slope ecological restoration effect can be comprehensively evaluated through the slope ecological restoration evaluation indicators, soil and water conservation capacity, vegetation restoration status parameters and soil nutritional value indicators.

[0050] In the embodiment, the established slope ecological restoration evaluation index system is shown in Table 1, which is a table of slope ecological restoration evaluation index system.

[0051]

[0052] Table 1 Evaluation index system of slope ecological restoration According to the slope ecological restoration evaluation index system shown in Table 1, the corresponding ecological restoration evaluation results of high and steep slopes in alpine mountainous areas were obtained.

[0053] See also Figure 2 In an embodiment, in order to be able to efficiently execute the ecological restoration evaluation method for high and steep slopes in high-cold mountainous areas provided by the present invention, the present invention also provides an ecological restoration evaluation system for high and steep slopes in high-cold mountainous areas, including: an input device, an output device, a processor, and a memory, wherein the input device, the output device, the processor, and the memory are interconnected, and the memory contains program instructions, and the program instructions are used for the steps of the ecological restoration evaluation method for high and steep slopes in high-cold mountainous areas. The ecological restoration evaluation system for high and steep slopes in high-cold mountainous areas of the present invention has a compact structure and stable performance, and can stably execute the ecological restoration evaluation method for high and steep slopes in high-cold mountainous areas of the present invention, further improving the overall applicability and practical application capabilities of the present invention.

[0054] In an embodiment, the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc. An input device may be used to obtain data information. An output device may be used to output the results obtained by storing program instructions contained in a computer program in a memory provided by the present invention. The memory may include a read-only memory and a random access memory, and provide instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory.

[0055] In yet another alternative embodiment, see Figure 3 In order to efficiently implement the method for evaluating ecological restoration of high and steep slopes in high-cold mountainous areas provided by the present invention, this embodiment also provides an ecological restoration evaluation device for high and steep slopes in high-cold mountainous areas, such as Figure 3 As shown, including: The memory 10 is used to store computer programs; the processor 20 is used to execute the computer programs to implement the above-mentioned high and steep slope ecological restoration evaluation method in the high-cold mountainous area. The memory 10, the processor 20, the communication interface 31 and the communication bus 32. The memory 10, the processor 20 and the communication interface 31 all communicate with each other through the communication bus 32.

[0056] In an embodiment, the memory 10 is used to store one or more program instructions. The memory 10 may store program instructions for implementing the following functions: Obtain ecological restoration status data of high and steep slopes in alpine mountainous areas; obtain vegetation restoration status parameters of slope ecology based on the ecological restoration status data; analyze the soil and water conservation capacity and nutritional value indicators of slope soil based on the ecological restoration status data, and obtain soil restoration status parameters of slope ecology through the soil and water conservation capacity and nutritional value indicators; obtain slope ecological restoration evaluation indicators by combining the ecological restoration status data, the vegetation restoration status parameters and the soil restoration status parameters; establish a slope ecological restoration evaluation index system, and evaluate the ecological restoration of high and steep slopes in alpine mountainous areas based on the slope ecological restoration evaluation index system and the slope ecological restoration evaluation indicators.

[0057] In one possible implementation, the memory 10 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, and at least one application required for a function, etc.; the data storage area may store data created during use. In addition, the memory 10 may include a read-only memory and a random access memory, and provide instructions and data to the processor. A portion of the memory may also include NVRAM. The memory stores an operating system and operating instructions, executable modules or data structures, or a subset thereof, or an extended set thereof, wherein the operating instructions may include various operating instructions for implementing various operations. The operating system may include various system programs for implementing various basic tasks and processing hardware-based tasks.

[0058] The processor 20 may be a central processing unit (CPU), an application specific integrated circuit, a digital signal processor, a field programmable gate array or other programmable logic device, and the processor 20 may be a microprocessor or any conventional processor, etc. The processor 20 may call a program stored in the memory 10. The communication interface 31 may be an interface of a communication module, and is used to connect with other devices or systems.

[0059] Of course, it should be noted that Figure 3The structure shown does not constitute a limitation on the ecological restoration and evaluation equipment for high and steep slopes in high and cold mountainous areas in this embodiment. In actual applications, the ecological restoration and evaluation equipment for high and steep slopes in high and cold mountainous areas may include Figure 3 More or fewer components than shown, or combinations of certain components.

[0060] The embodiment also provides a storage medium having a computer program stored thereon. When the computer program is executed by a processor, the steps of the above-mentioned method for evaluating ecological restoration of high and steep slopes in alpine mountainous areas are implemented.

[0061] The storage medium may include: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and other media that can store program codes.

[0062] In summary, the present invention obtains a variety of restoration status parameters from the ecological restoration status data analysis of high and steep slopes in high-cold mountainous areas, and then obtains slope ecological restoration evaluation indicators in combination with the special environmental factors of high and steep slopes in high-cold mountainous areas to conduct scientific and reasonable evaluation, effectively solving the problem of accurately evaluating the ecological restoration effect of high and steep slopes in high-cold mountainous areas, and further providing a scientific basis for the ecological restoration work of high and steep slopes in high-cold mountainous areas. Therefore, the present invention effectively overcomes the various shortcomings of the prior art and has a high industrial utilization value.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope recorded in the present invention.

Claims

1. A method for evaluating ecological restoration of high and steep slopes in alpine mountainous areas, characterized in that: The following steps are involved: Obtain data on the status of ecological restoration of high and steep slopes in alpine mountainous areas; According to the ecological restoration status data, the vegetation restoration status parameters of the slope ecology are obtained; Based on the ecological restoration status data, analyzing the soil and water conservation capacity and nutritional value index of the slope soil, and obtaining the soil restoration status parameters of the slope ecology through the soil and water conservation capacity and the nutritional value index; Combining the ecological restoration status data, the vegetation restoration status parameters and the soil restoration status parameters, obtaining slope ecological restoration evaluation indicators; A slope ecological restoration evaluation index system is established, and the ecological restoration of high and steep slopes in alpine mountainous areas is evaluated based on the slope ecological restoration evaluation index system and the slope ecological restoration evaluation indicators.

2. The ecological restoration evaluation method for high and steep slopes in alpine mountainous areas according to claim 1 is characterized in that: The ecological restoration status data include vegetation status data, soil data, climate data and slope data.

3. The ecological restoration evaluation method for high and steep slopes in alpine mountainous areas according to claim 1 is characterized in that: The step of obtaining the vegetation restoration status parameters of the slope ecology according to the ecological restoration status data comprises the following steps: Through the ecological restoration status data, the vegetation growth status, vegetation coverage change rate and biodiversity are obtained; The vegetation restoration state parameter is obtained by combining the vegetation growth condition, the vegetation coverage change rate and the biodiversity.

4. The ecological restoration evaluation method for high and steep slopes in alpine mountainous areas according to claim 3 is characterized in that: The vegetation restoration state parameter is obtained by combining the vegetation growth status, the vegetation coverage change rate and the biodiversity, and satisfies the following formula: ,in, Indicates the vegetation restoration status parameter, represents the slope gradient, represents the number of trees, Indicates The diameter of a tree is meters, Indicates the number of shrubs, Indicates The area covered by shrubs, represents the slope surface area, represents the total coverage area of ​​trees in the slope, represents the total coverage area of ​​shrubs in the slope, Indicates the coverage area of ​​grass and vine plants in the slope, Indicates the number of plant species in the slope.

5. The ecological restoration evaluation method for high and steep slopes in alpine mountainous areas according to claim 1 is characterized in that: Based on the ecological restoration status data, the soil and water conservation capacity of the slope soil is analyzed to meet the following formula: ,in, Indicates the soil and water conservation capacity of the slope soil. Indicates the soil thickness, Indicates the slope scour depth, represents the optimal soil compaction, Indicates soil compactness. Indicates the minimum value that prevents the denominator from being 0. represents the optimal soil moisture content, Indicates soil moisture content.

6. The ecological restoration evaluation method for high and steep slopes in alpine mountainous areas according to claim 1 is characterized in that: Based on the ecological restoration status data, the nutritional value index of the slope soil is analyzed to meet the following formula: ,in, Indicates the nutritional value index of slope soil. represents the nitrogen concentration of slope soil, represents the phosphorus concentration of slope soil, represents the potassium concentration of the slope soil, It indicates the difference between the pH value of slope soil and the ideal soil pH value. represents the organic carbon concentration of slope soil, Indicates the salt concentration of slope soil.

7. The ecological restoration evaluation method for high and steep slopes in alpine mountainous areas according to claim 1 is characterized in that: The soil restoration state parameter of the slope ecology is obtained through the soil and water conservation capacity and the nutritional value index, which satisfies the following formula: ,in, The soil restoration state parameter representing the slope ecology, Indicates the soil and water conservation capacity of the slope soil. An indicator of the nutritional value of slope soil.

8. The ecological restoration evaluation method for high and steep slopes in alpine mountainous areas according to claim 1 is characterized in that: The step of combining the ecological restoration status data, the vegetation restoration status parameters and the soil restoration status parameters to obtain the slope ecological restoration evaluation index comprises the following steps: Construct an evaluation index model for slope ecological restoration; Based on the slope ecological restoration evaluation index model, combined with the ecological restoration status data, the vegetation restoration state parameters and the soil restoration state parameters, the slope ecological restoration evaluation index is obtained.

9. The ecological restoration evaluation method for high and steep slopes in alpine mountainous areas according to claim 8 is characterized in that: The slope ecological restoration evaluation index model satisfies the following formula: ,in, represents the evaluation index of slope ecological restoration, represents the annual average day-night temperature difference of the slope, represents the annual average temperature of the slope, Indicates the number of days of frost-free period of the slope, Indicates the vegetation restoration status parameter, The soil restoration state parameter representing the slope ecology, represents the annual rainfall, represents the annual snowfall, Indicates the slope elevation.

10. An ecological restoration evaluation system for high and steep slopes in alpine mountainous areas, characterized in that: The ecological restoration and evaluation system for high and steep slopes in alpine mountainous areas comprises: an input device, an output device, a processor, and a memory. The input device, output device, processor, and memory are interconnected. The memory comprises program instructions, and the program instructions are used to execute the ecological restoration and evaluation method for high and steep slopes in alpine mountainous areas as described in any one of claims 1 to 9.

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