Territorial space three-area three-line delineation implementation effect evaluation method and system

Abstract

The invention discloses a territorial space'three-area three-line 'delineation implementation effect evaluation method and system, and relates to the technical field of urban planning, and the method comprises the steps: constructing a'three-area three-line' implementation effect evaluation index system, comprising the following steps: constructing a cultivated land and permanent basic farmland protection red line evaluation index system from three dimensions of cultivated land quantity stability, cultivated land quality improvement and ecological function improvement; an ecological protection red line evaluation index system is constructed from three dimensions of strict space boundary protection, ecological protection efficiency improvement and ecological system service function improvement; an urban development boundary evaluation index system is constructed from three dimensions of reasonable land layout, intensive utilization degree improvement and human settlement environment quality improvement; and calculating and weighting each evaluation index, and calculating a'three-area three-line 'implementation effect index based on a comprehensive evaluation method to obtain a'three-area three-line' delimited overall implementation evaluation result. According to the method, a scientific basis is provided for three-area and three-line delineation implementation effect evaluation of the land space.

Description

Technical Field

[0001] The present invention relates to the field of urban planning technology, and in particular to a method and system for evaluating the effectiveness of the demarcation and implementation of the "three zones and three lines" of national land space. Background Art

[0002] National land space planning is a dynamic process requiring constant updating and revision. Chinese invention patent publication number CN117151499A discloses a monitoring and evaluation method and system for national land space planning, which can provide effective predictive recommendations for national land space planning. The next step is to evaluate the protective effectiveness of the three control lines, a key scientific issue in the national land space planning implementation supervision system. As a key tool for national land space planning, the "Three Zones and Three Lines" are crucial for achieving sustainable development. Currently, the evaluation of the implementation effectiveness of the "Three Zones and Three Lines" delineation in my country is still in its infancy, lacking a unified evaluation index system or a specific quantification of implementation effectiveness through scientific and reasonable evaluation index values. Therefore, based on the inherent objectives and management requirements of the three control lines, a system for evaluating the implementation effectiveness of the "Three Zones and Three Lines" delineation is constructed, along with a calculation method for comprehensive implementation effectiveness assessment. Based on the evaluation results, recommendations for adjusting the three control lines and zoning supervision strategies are proposed. This is of great significance for guiding the protection and supervision of the three control lines nationwide and comprehensively improving the modernization of the national land space governance system and governance capacity. Summary of the Invention

[0003] The purpose of the present invention is to solve the problem that the existing technology for evaluating the effectiveness of the implementation of the "three zones and three lines" demarcation lacks a unified evaluation index system, and proposes a method for evaluating the effectiveness of the implementation of the "three zones and three lines" demarcation of national land space, including the following steps: S1. Determine the assessment period and scope based on the implementation time of the “Three Zones and Three Lines” demarcation of national land space; S2. Establish an evaluation indicator system for the implementation of the “Three Zones and Three Lines”, including: Construct an evaluation index system for the protection of cultivated land and permanent basic farmland red lines from three dimensions: stabilizing cultivated land quantity, improving cultivated land quality, and enhancing ecological functions; Construct an ecological protection red line assessment indicator system from three dimensions: strict protection of spatial boundaries, improvement of ecological protection efficiency, and enhancement of ecosystem service functions; Construct an urban development boundary assessment index system from three dimensions: reasonable land use layout, improved intensive land use, and improved living environment quality; S3. Calculate and weight each evaluation indicator based on the evaluation cycle and evaluation scope; S4. Calculate the implementation effectiveness index of the “Three Zones and Three Lines” based on the comprehensive evaluation method to obtain the overall implementation evaluation results of the “Three Zones and Three Lines” demarcation.

[0004] The present invention also proposes a system for evaluating the effectiveness of the demarcation and implementation of the "three zones and three lines" of national land space, including: The evaluation parameter confirmation module is used to determine the evaluation period and scope based on the implementation time of the “three zones and three lines” demarcation of national land space; The evaluation indicator system construction module is used to construct an evaluation indicator system for the implementation effectiveness of the "Three Zones and Three Lines", including: Construct an evaluation index system for the protection of cultivated land and permanent basic farmland red lines from three dimensions: stabilizing cultivated land quantity, improving cultivated land quality, and enhancing ecological functions; Construct an ecological protection red line assessment indicator system from three dimensions: strict protection of spatial boundaries, improvement of ecological protection efficiency, and enhancement of ecosystem service functions; Construct an urban development boundary assessment index system from three dimensions: reasonable land use layout, improved intensive land use, and improved living environment quality; Evaluation indicator calculation module, used to calculate and weight various evaluation indicators based on the evaluation cycle and evaluation scope The implementation evaluation result confirmation module is used to calculate the implementation effectiveness index of the "three zones and three lines" based on the comprehensive evaluation method, and obtain the overall implementation evaluation results of the "three zones and three lines" demarcation.

[0005] The beneficial effects brought about by the technical solution provided by the present invention are: the present invention establishes an evaluation index system for the implementation effectiveness of the "Three Zones and Three Lines" according to the evaluation cycle and evaluation scope: a three-dimensional cultivated land and permanent basic farmland protection red line evaluation index system, a three-dimensional ecological protection red line evaluation index system, and a three-dimensional urban development boundary evaluation index system; each indicator is calculated to achieve the quantification and evaluation of the implementation effectiveness of the "Three Zones and Three Lines" demarcation, and the multi-dimensional evaluation index system objectively reflects the dynamic changes in land types, the current status of evaluation implementation, quality and effects during the implementation of the "Three Zones and Three Lines" demarcation, to ensure that the evaluation results are scientific, accurate and in line with reality. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 This is a flow chart of a method for evaluating the effectiveness of the delineation and implementation of the “three zones and three lines” of national land space according to an embodiment of the present invention; Figure 2 (a) to (d) are respectively the cultivated land quantity stability assessment, cultivated land quality improvement assessment, ecological function improvement assessment, and cultivated land and permanent basic farmland protection red line implementation effectiveness assessment diagrams according to an embodiment of the present invention; Figure 3 (a) to (d) are respectively the spatial boundary strict protection assessment, ecological protection efficiency improvement assessment, ecosystem service improvement assessment, and ecological protection red line implementation effectiveness assessment diagrams of an embodiment of the present invention; Figure 4(a) to (d) are respectively the land use layout rationality assessment, intensive utilization improvement assessment, human settlement environment quality improvement assessment and urban development boundary implementation effectiveness assessment maps of the embodiment of the present invention; Figure 5 It is a comprehensive evaluation map of the implementation effect of the demarcation of the “three zones and three lines” of the national land space in an embodiment of the present invention. DETAILED DESCRIPTION

[0007] To make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0008] The flowchart of the method for evaluating the implementation effectiveness of the demarcation of the “three zones and three lines” of the national land space in the embodiment of the present invention is as follows: Figure 1 , specifically including the following steps: S1. Determine the assessment period and scope based on the implementation time of the “three zones and three lines” demarcation of national land space.

[0009] S2. Establish an evaluation indicator system for the implementation of the “Three Zones and Three Lines”, including: (1) Construct an evaluation index system for the protection of cultivated land and permanent basic farmland red lines from three dimensions: stabilization of cultivated land quantity, improvement of cultivated land quality, and improvement of ecological functions.

[0010] In the evaluation index system of cultivated land and permanent basic farmland protection red line, the evaluation indicators under the dimension of cultivated land quantity stability include: cultivated land retention index, permanent basic farmland area index, cultivated land utilization dynamics index, overlap index with ecological protection red line and urban development boundary, cultivated land shape index, permanent basic farmland patch fragmentation index, permanent basic farmland patch fractal dimension and permanent basic farmland non-grain crop area ratio index.

[0011] In the red line assessment index system for protection of cultivated land and permanent basic farmland, the assessment indicators under the dimension of improving cultivated land quality include: effective irrigation area ratio index, field road accessibility index, and cultivated land multiple cropping index.

[0012] In the red line assessment index system for protection of cultivated land and permanent basic farmland, the assessment indicators under the dimension of improving ecological functions include: soil and water conservation capacity index, fertilizer load index per unit cultivated land, and pesticide load index per unit cultivated land.

[0013] (2) Construct an ecological protection red line assessment indicator system from three dimensions: strict protection of spatial boundaries, improvement of ecological protection efficiency, and enhancement of ecosystem service functions.

[0014] The ecological protection red line assessment index system includes the assessment indicators under the dimension of strict protection of spatial boundaries, including: the ecological protection red line area non-reduction index, the ecological protection red line integrity index, and the overlap index with cultivated land, permanent basic farmland, and urban development boundaries.

[0015] In the ecological protection red line assessment index system, the assessment indicators under the dimension of improving ecological protection efficiency include: human activity impact area index, natural ecological land area proportion index, marine natural coastline retention rate index, humidity index, greenness index, dryness index, heat index, average patch area index, and aggregation index.

[0016] In the ecological protection red line assessment indicator system, the assessment indicators under the dimension of improving ecosystem service functions include: biomass supply index, water conservation index and air purification index.

[0017] (3) Construct an urban development boundary assessment index system from three dimensions: reasonable land use layout, improved intensive utilization, and improved quality of human settlement environment.

[0018] In the urban development boundary assessment index system, the assessment indicators under the dimension of reasonable land use layout include: the urban concentrated construction land index outside the urban development boundary, and the overlap index with cultivated land, permanent basic farmland, and ecological protection red line.

[0019] In the urban development boundary assessment index system, the assessment indicators under the dimension of improving intensive utilization include: urban development boundary expansion coefficient, industrial land proportion index, road and railway network density index, POI density index, comprehensive floor area ratio index, and building density index.

[0020] In the urban development boundary assessment index system, the assessment indicators under the dimension of improving the quality of the human living environment include: the 5-minute walking coverage index of parks, green spaces and squares, the 15-minute walking coverage index of community public service facilities, and the 30-minute walking coverage index of graded hospital transportation.

[0021] S3. Collect basic data on each evaluation indicator in each evaluation indicator system, and calculate and assign weights to each evaluation indicator based on the evaluation cycle and evaluation scope.

[0022] 1. Indicators in the red line assessment index system for cultivated land and permanent basic farmland protection: (1) The cultivated land retention index is a comparison between the cultivated land scope interpreted from remote sensing monitoring and the cultivated land protection target scope defined by the “three zones and three lines”. If the cultivated land protection target scope is all cultivated land, the standard value of the index is 1; otherwise, the standard value of the index is 0.

[0023] (2) The permanent basic farmland area index is a comparison of the cultivated land area interpreted by remote sensing monitoring with the permanent basic farmland protection red line area. If the permanent basic farmland area is all cultivated land, the standard value of the index is 1; otherwise, the standard value of the index is 0.

[0024] (3) The calculation formula of the cultivated land utilization dynamic index is as follows: , in, To evaluate the dynamics of cultivated land area in the monitoring unit during the evaluation period, To assess the cultivated land area within the initial monitoring unit, To assess the cultivated land area within the monitoring unit at the end of the period, For the evaluation cycle.

[0025] (4) The overlap index with the ecological protection red line and urban development boundary is verified through remote sensing monitoring to see whether cultivated land and permanent basic farmland overlap with the ecological protection red line and urban development boundary. If so, the standard value of the index is 0; if not, it is 1.

[0026] (5) The calculation formula of the cultivated land shape index is as follows: , in, To evaluate the regional cultivated land shape index, To assess the area of cultivated land in the region, It is the perimeter of the cultivated land patches within the assessment area.

[0027] (6) The calculation formula for the permanent basic farmland patch fragmentation index is as follows: , in, To assess the fragmentation of regional permanent basic farmland patches, To assess the number of permanent basic farmland patches within the region, is the total area of the assessment region.

[0028] (7) The calculation formula for the fractal dimension of permanent basic farmland patches is as follows: , in, To evaluate the fractal dimension of regional permanent basic farmland patches, To assess the perimeter of permanent basic farmland in the area, is the total area of the assessment region.

[0029] (8) The non-grain crop area ratio index within permanent basic farmland is obtained by interpreting cultivated land image data through remote sensing, analyzing the spectral characteristics of different crops, identifying crops and calculating the planting area, and calculating the ratio of the non-grain crop planting area to the total area of permanent basic farmland within the monitoring unit.

[0030] (9) The effective irrigation area ratio refers to the ratio of the total effective irrigation area to the total cultivated land area in the assessment area calculated by obtaining data from the statistical yearbooks of previous years.

[0031] (10) Field road accessibility refers to the number of fields directly accessible by roads and the total number of fields in the assessment area.

[0032] (11) The calculation formula for the multiple cropping index of cultivated land is as follows: , In the formula is the multiple cropping index, is the total area of crops sown throughout the year, is the total area of cultivated land.

[0033] (12) The calculation formula for the soil and water conservation capacity index is as follows: , in, For soil and water conservation, is the rainfall erosivity factor, is the soil erodibility factor, represents the slope length factor, represents the slope factor, is the vegetation factor.

[0034] (13) The fertilizer load index per unit of cultivated land refers to the ratio of the total amount of fertilizer applied to the cultivated land area in the assessment area calculated by obtaining the amount of agricultural fertilizer applied through the statistical yearbooks of previous years.

[0035] (14) The pesticide load index per unit of cultivated land refers to the ratio of the total amount of pesticide application to the cultivated land area in the assessment area calculated by obtaining the pesticide usage data from the statistical yearbooks of previous years.

[0036] 2. Indicators in the ecological protection red line assessment indicator system: (1) The ecological protection red line area non-reduction index refers to whether there is a reduction in the ecological protection red line area in the region verified through remote sensing monitoring. If so, the standard value of the index is 0; otherwise, it is 1.

[0037] (2) The integrity of the ecological protection red line refers to the statistics of the minimum upper map area and the minimum hole size of the red line patches in the assessment area. The larger the patch area, the higher the ecological integrity and continuity of the regional ecological protection red line; vice versa.

[0038] (3) The overlap index with cultivated land, permanent basic farmland, and urban development boundaries is verified through remote sensing monitoring to determine whether the ecological protection red line overlaps with cultivated land, permanent basic farmland, and urban development boundaries. If so, the standard value of the index is 0; if not, it is 1.

[0039] (4) The human activity impact area index refers to the area of various types of human activities and facility land that are newly added or expanded within the ecological protection red line and cause ecological damage or affect ecological functions.

[0040] (5) The natural ecological land area ratio index refers to the proportion of ecosystem land with natural ecological attributes within the ecological protection red line to the area of the ecological protection red line.

[0041] (6) The marine natural coastline retention rate index refers to the percentage of natural coastline retention to the total length of coastline within the administrative jurisdiction.

[0042] (7) The calculation formulas for the humidity index based on the Landsat 5 TM data from 1990 to 2000 and the Landsat 8 OLI data from 2015 are as follows: , , in, represents the humidity index calculated based on Landsat 5 TM data from 1990 to 2000. represents the humidity index calculated based on the Landsat 8 OLI data from 2015. 、 、 、 、 、 These are the reflectances of the blue band, green band, red band, near-infrared band, shortwave infrared 1 band, and shortwave infrared 2 band corresponding to each image, respectively.

[0043] (8) The calculation formula of greenness index NDVI is as follows: , (9) The calculation formula of dryness index NDBSI is as follows: , , , Among them, IBI stands for building index and SI stands for bare soil index; (10) The calculation formula of heat index LST is as follows: , , , in, Indicates the brightness temperature in the 6 / 10 micron band, Indicates the central wavelength of the 6 / 10 micron band, Indicates the emissivity in the 6 / 10 micron band, and is the calibration parameter, Indicates the radiance in the 6 / 10 micron band; and is the gain and bias of the band, used to convert digital values into radiance; Represents a digital value (i.e., the raw data value received by the satellite sensor).

[0044] (11) The calculation formula of the average patch area index is as follows: , in, is the average plaque area index, is the total number of patches in the i-th type ecosystem, is the area of the jth patch of the i-th ecosystem.

[0045] (12) The calculation formula of the aggregation index is as follows: , in, is the aggregation index, is the probability that patch type i is adjacent to patch type j, n is the total number of patches of various ecosystems, for The maximum value of the parameter.

[0046] (13) The calculation formula of biomass supply index is as follows: , in, is the total acquisition of material products, is the amount of material product obtained, and n is the number of types of material products.

[0047] (14) The calculation formula of water conservation index is as follows: , in, is the water conservation capacity of the ecosystem, is the area of ecosystem type i, is the rainfall, is the surface runoff, is the evapotranspiration of the ith ecosystem type, and n is the number of ecosystem types.

[0048] (15) The calculation formula for the clean air index is as follows: , in, is the amount of air purification in the ecosystem, is the emission of air pollutants of the ith air pollutant category, and n is the number of air pollutant categories.

[0049] 3. Indicators in the urban development boundary assessment index system: (1) The index of concentrated urban construction land outside the urban development boundary refers to the area of concentrated urban construction land outside the urban development boundary and its proportion to the total urban construction land.

[0050] (2) The overlap index with cultivated land, permanent basic farmland and ecological protection red line is verified through remote sensing monitoring to see whether the urban development boundary overlaps with cultivated land, permanent basic farmland and ecological protection red line. If so, the standard value of the index is 0; if not, it is 1.

[0051] (3) The urban development boundary expansion coefficient is based on the current scale of urban construction land in 2020 and is controlled differently by city type: for megacities, cities whose per capita urban construction land far exceeds the national standard, or cities whose permanent population has decreased in the past decade, the urban development boundary area is generally within 1.1 times the current scale of urban construction land; for other cities, the urban development boundary area is controlled within 1.3 times. If the expansion coefficient is within a reasonable range during the assessment, the standard value of the index is 1; otherwise, it is 0.

[0052] Megacities are one of the categories of urban size classifications used by the People's Republic of China. According to the "Notice on Adjusting Urban Size Classification Standards" issued by the State Council in 2014, cities with a permanent urban population of over 10 million are considered megacities.

[0053] (4) The industrial land proportion index refers to the proportion of industrial land area within the urban development boundary.

[0054] (5) The road and railway network density index refers to the total length of road and railway networks per square kilometer within the urban development boundary.

[0055] (6) POI density index refers to the basic data based on location services.

[0056] (7) The comprehensive floor area ratio index refers to the ratio of the total ground building area within the urban development boundary to the existing urban construction land area.

[0057] (8) The building density index refers to the ratio of the base area of buildings within the urban development boundary to the area of the urban development boundary.

[0058] (9) The 5-minute walk coverage index of parks, green spaces and squares refers to the proportion of the area of parks, green spaces and squares with an area of more than 400 square meters that can be reached within a 5-minute walk within the urban development boundary to the total area of the urban development boundary.

[0059] (10) The index of coverage rate of community public service facilities within 15 minutes’ walk refers to the proportion of the area within the urban development boundary that can be reached by 15 minutes’ walk from community public service facilities to the total area of the urban development boundary.

[0060] (11) The 30-minute coverage index of graded hospitals refers to the proportion of the area within the urban development boundary that is accessible to secondary and above hospitals within 30 minutes by public transportation to the total area of the urban development boundary.

[0061] S4. Calculate the implementation effectiveness index of the “Three Zones and Three Lines” based on the comprehensive evaluation method, and obtain the overall implementation evaluation results of the “Three Zones and Three Lines” demarcation.

[0062] The implementation effectiveness index and comprehensive index of the “Three Zones and Three Lines” are calculated based on the comprehensive evaluation method. The formula is as follows: , x=1,2,3, , in, Respectively represent the implementation effectiveness index of the three evaluation indicator systems, It represents the overall implementation effectiveness index of the “three zones and three lines” demarcation. express Evaluation index system The value of the indicator after normalization. express Evaluation index system Relative indicators The weight value of the evaluation index system, Indicates the number of indicators.

[0063] In an exemplary embodiment, a system for evaluating the effectiveness of the demarcation and implementation of the “three zones and three lines” of national land space is provided, including: The evaluation parameter confirmation module is used to determine the evaluation period and scope based on the implementation time of the “three zones and three lines” demarcation of national land space; The evaluation indicator system construction module is used to construct an evaluation indicator system for the implementation effectiveness of the "Three Zones and Three Lines", including: Construct an evaluation index system for the protection of cultivated land and permanent basic farmland red lines from three dimensions: stabilizing cultivated land quantity, improving cultivated land quality, and enhancing ecological functions; Construct an ecological protection red line assessment indicator system from three dimensions: strict protection of spatial boundaries, improvement of ecological protection efficiency, and enhancement of ecosystem service functions; Construct an urban development boundary assessment index system from three dimensions: reasonable land use layout, improved intensive land use, and improved living environment quality; The evaluation indicator calculation module is used to calculate and weight various evaluation indicators based on the evaluation cycle and evaluation scope; The implementation evaluation result confirmation module is used to calculate the implementation effectiveness index of the "three zones and three lines" based on the comprehensive evaluation method, and obtain the overall implementation evaluation results of the "three zones and three lines" demarcation.

[0064] The method of the present invention was used to evaluate the implementation effect of the “three zones and three lines” demarcation of the national land space in the study area, and the constructed index system is shown in Table 1.

[0065] Based on the implementation effectiveness index and expert experience, the evaluation index is divided into the following levels: The effectiveness of the implementation of the “Three Zones and Three Lines” is judged as Level I (very significant): X ≥ 70; The effectiveness of the implementation of the “Three Zones and Three Lines” was assessed as Level II (significant): 55≤X<70; The effectiveness of the implementation of the “Three Zones and Three Lines” was assessed as Level III (relatively significant): 40≤X<55; The effectiveness of the implementation of the “Three Zones and Three Lines” is judged to be Level IV (not significant): X < 40 The evaluation results of the implementation effectiveness of the “three zones and three lines” demarcation of the study area’s national land space in 2024 (based on the area proportion of the first-level indicators) are shown in Table 2.

[0066] Table 1

[0067] Table 2

[0068] Refer to Table 3 for the evaluation results of the implementation of the “three zones and three lines” demarcation of the study area’s land space in 2024 (area percentage based on comprehensive evaluation).

[0069] Table 3

[0070] Figure 2 (a) to (d) in the middle are respectively the evaluation diagrams of cultivated land quantity stability, cultivated land quality improvement, ecological function improvement and cultivated land and permanent basic farmland protection red line implementation effectiveness in an embodiment of the present invention. Figure 3 (a) to (d) in the middle are respectively the spatial boundary strict protection assessment, ecological protection efficiency improvement assessment, ecosystem service improvement assessment and ecological protection red line implementation effectiveness assessment diagrams of the embodiments of the present invention. Figure 4 (a) to (d) in the middle are respectively the land use layout rationality assessment, intensive utilization improvement assessment, human settlement environment quality improvement assessment and urban development boundary implementation effectiveness assessment maps of the embodiments of the present invention. Figure 5 It is a comprehensive evaluation map of the implementation effect of the demarcation of the “three zones and three lines” of the national land space in an embodiment of the present invention.

[0071] The results of the implementation effectiveness evaluation of the “three zones and three lines” delineation in the study area in 2024 are obtained based on the standardization of target values and the weighted summation of the entropy weight method. Figure 2 、 Figure 3 、 Figure 4 as well as Figure 5 It can be seen that the implementation results of the “three zones and three lines” demarcation in the study area in 2024 have improved in all evaluation dimensions.

[0072] In the dimension of strict protection of spatial boundaries, 48.44% of the areas reached the level I (very significant) standard. The analysis of the overlay with the land space control line planning map of the study area shows that these areas are highly consistent with the ecological protection red line demarcation area (see Figure 3 In (a), the red line breach rate is zero. The gradient differences in ecological protection efficiency (Level I, 27.7%) and ecosystem services (Level I, 3.29%) indicate that current management is still primarily based on passive protection, and ecological restoration efforts urgently need to be strengthened.

[0073] In terms of urban development boundary control, the proportion of Grade I (very significant) in the rational land use layout dimension is 0.91%. The overlay analysis with the land space control line planning map of the study area shows that these areas are highly consistent with the urban development boundary demarcation area (see Figure 4 In (a), there is zero growth in urban construction land outside the boundary, which fully proves the effectiveness of planning rigid constraints. In the two dimensions of improving intensive utilization and improving the quality of human settlement environment, the proportion of level I (very significant) is 1.50%. Figure 4 Middle (a), Figure 4 (b) and Figure 4 From (c), we can see that the study area has played a good demonstration role in promoting the urbanization process and improving the quality of urban development.

[0074] In terms of urban development boundary control, the proportion of Grade I (very significant) in the rational land use layout dimension is 0.91%. The overlay analysis with the land space control line planning map of the study area shows that these areas are highly consistent with the urban development boundary demarcation area (see Figure 4 In (a), there is zero growth in urban construction land outside the boundary, which fully proves the effectiveness of planning rigid constraints. In the two dimensions of improving intensive utilization and improving the quality of human settlement environment, the proportion of level I (very significant) is 1.50%. Figure 4 Middle (a), Figure 4 (b) and Figure 4 From (c), we can see that the study area has played a good demonstration role in promoting the urbanization process and improving the quality of urban development.

[0075] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A method for evaluating the effectiveness of the implementation of the "three zones and three lines" delineation of national land space, characterized by: The following steps are involved: S1. Determine the assessment period and scope based on the implementation time of the "Three Zones and Three Lines" demarcation of national land space; S2. Establish an evaluation indicator system for the effectiveness of the implementation of the "Three Zones and Three Lines" initiative, including: Construct an evaluation index system for the protection of cultivated land and permanent basic farmland red lines from three dimensions: stabilizing cultivated land quantity, improving cultivated land quality, and enhancing ecological functions; Construct an ecological protection red line assessment indicator system from three dimensions: strict protection of spatial boundaries, improvement of ecological protection efficiency, and enhancement of ecosystem service functions; Construct an urban development boundary assessment index system from three dimensions: reasonable land use layout, improved intensive land use, and improved living environment quality; S3. Calculate and weight each evaluation indicator based on the evaluation cycle and evaluation scope; S4. Calculate the implementation effectiveness index of the "Three Zones and Three Lines" based on the comprehensive evaluation method, and obtain the overall implementation evaluation results of the "Three Zones and Three Lines" demarcation.

2. A method for evaluating the effectiveness of the implementation of the "three zones and three lines" demarcation of national land space according to claim 1, characterized in that: In the evaluation index system for cultivated land and permanent basic farmland protection red lines, the evaluation indicators under the dimension of cultivated land quantity stability include: cultivated land retention index, permanent basic farmland area index, cultivated land use dynamics index, overlap index with ecological protection red lines and urban development boundaries, cultivated land shape index, permanent basic farmland patch fragmentation index, permanent basic farmland patch fractal dimension, and the index of the ratio of non-grain crop area within permanent basic farmland. If the cultivated land protection target area is all cultivated land, the cultivated land retention index standard value is 1, otherwise it is 0; If the permanent basic farmland is all cultivated land, the standard value of the permanent basic farmland area index is 1, otherwise it is 0; The calculation formula of cultivated land use dynamic index is as follows: ， in, To evaluate the dynamics of cultivated land area in the monitoring unit during the evaluation period, To assess the cultivated land area within the initial monitoring unit, To assess the cultivated land area within the monitoring unit at the end of the period, For the evaluation cycle; If cultivated land and permanent basic farmland overlap with the ecological protection red line and urban development boundary, the standard value of the overlap index with the ecological protection red line and urban development boundary is 0; otherwise, it is 1; The calculation formula of the cultivated land shape index is as follows: ， in, To evaluate the regional cultivated land shape index, To assess the area of cultivated land in the region, To assess the perimeter of cultivated land patches within the area; The permanent basic farmland patch fragmentation index is calculated using the following formula: ， in, To assess the fragmentation of regional permanent basic farmland patches, To assess the number of permanent basic farmland patches within the region, is the total area of the assessment region; The calculation formula of the fractal dimension of permanent basic farmland patches is as follows: ， in, To evaluate the fractal dimension of regional permanent basic farmland patches, To assess the perimeter of permanent basic farmland in the area, is the total area of the assessment region.

3. The method for evaluating the effectiveness of the implementation of the "three zones and three lines" demarcation of national land space according to claim 1 is characterized in that: In the evaluation index system for the protection of cultivated land and permanent basic farmland, the evaluation indicators under the dimension of cultivated land quality improvement include: effective irrigation area ratio index, field road accessibility index, and cultivated land multiple cropping index; The calculation formula of the multiple cropping index of cultivated land is as follows: ， In the formula is the multiple cropping index, is the total area of crops sown throughout the year, is the total area of cultivated land.

4. The method for evaluating the effectiveness of the implementation of the "three zones and three lines" demarcation of national land space according to claim 1 is characterized in that: In the red line assessment indicator system for cultivated land and permanent basic farmland protection, the assessment indicators under the dimension of ecological function improvement include: soil and water conservation capacity index, fertilizer load index per unit cultivated land, and pesticide load index per unit cultivated land; The calculation formula of soil and water conservation capacity index is as follows: ， in, For soil and water conservation, is the rainfall erosivity factor, is the soil erodibility factor, represents the slope length factor, represents the slope factor, is the vegetation factor.

5. The method for evaluating the effectiveness of the implementation of the "three zones and three lines" demarcation of national land space according to claim 1 is characterized in that: The ecological protection red line assessment index system includes the following assessment indicators under the dimension of strict protection of spatial boundaries: ecological protection red line area non-reduction index, ecological protection red line integrity index, and overlap index with cultivated land, permanent basic farmland, and urban development boundaries; If the ecological protection red line area in the region decreases, the standard value of the ecological protection red line area no reduction index score is 0, otherwise it is 1; If the ecological protection red line overlaps with cultivated land, permanent basic farmland, and urban development boundaries, the standard value of the overlap index with cultivated land, permanent basic farmland, and urban development boundaries is 0, otherwise it is 1.

6. The method for evaluating the effectiveness of the implementation of the "three zones and three lines" demarcation of national land space according to claim 1 is characterized in that: In the ecological protection red line assessment indicator system, the assessment indicators under the dimension of improving ecological protection efficiency include: human activity impact area index, natural ecological land area ratio index, marine natural coastline retention rate index, humidity index, greenness index, dryness index, heat index, average patch area index, and aggregation index; The calculation formula of the humidity index based on Landsat 5 TM data from 1990 to 2000 and Landsat 8 OLI data from 2015 is as follows: ， ， in, represents the humidity index calculated based on Landsat 5 TM data from 1990 to 2000. represents the humidity index calculated based on the Landsat 8 OLI data from 2015. 、 、 、 、 、 are the reflectances of the blue band, green band, red band, near-infrared band, shortwave infrared 1 band, and shortwave infrared 2 band corresponding to each image; The calculation formula of greenness index NDVI is as follows: ， The calculation formula of dryness index NDBSI is as follows: ， ， ， Among them, IBI stands for building index and SI stands for bare soil index; The calculation formula of the heat index LST is as follows: ， ， ， in, Indicates the brightness temperature in the 6 / 10 micron band, Indicates the central wavelength of the 6 / 10 micron band, Indicates the emissivity in the 6 / 10 micron band, and is the calibration parameter, Indicates the radiance in the 6 / 10 micron band; and is the gain and bias of the band; DN represents the raw data value received by the satellite sensor; The calculation formula of the average plaque area index is as follows: ， in, is the average plaque area index, is the total number of patches in the i-th type ecosystem, is the area of the jth patch of the i-th ecosystem; The calculation formula of the aggregation index is as follows: ， in, is the aggregation index, is the probability that patch type i is adjacent to patch type j, n is the total number of patches of various ecosystems, for The maximum value of the parameter.

7. The method for evaluating the effectiveness of the implementation of the "three zones and three lines" demarcation of national land space according to claim 1 is characterized in that: In the ecological protection red line assessment indicator system, the assessment indicators under the dimension of improving ecosystem service functions include: biomass supply index, water conservation index and air purification index; The calculation formula of biomass supply index is as follows: ， in, is the total acquisition of material products, is the amount of material product obtained, n is the number of material product types; The calculation formula of water conservation index is as follows: ， in, is the water conservation capacity of the ecosystem, is the area of ecosystem type i, is the rainfall, is the surface runoff, is the evapotranspiration of the i-th ecosystem type, and n is the number of ecosystem types; The calculation formula for the clean air index is as follows: ， in, is the amount of air purification in the ecosystem, is the emission of air pollutants of the ith air pollutant category, and n is the number of air pollutant categories.

8. The method for evaluating the effectiveness of the implementation of the "three zones and three lines" demarcation of national land space according to claim 1 is characterized in that: In the urban development boundary assessment index system, the assessment indicators under the dimension of reasonable land use layout include: the urban concentrated construction land index outside the urban development boundary, the overlap index with cultivated land, permanent basic farmland, and ecological protection red line; Whether the urban development boundary overlaps with cultivated land, permanent basic farmland, and the ecological protection red line, if there is overlap, the standard value of the overlap index with cultivated land, permanent basic farmland, and the ecological protection red line is 0; otherwise, it is 1; In the urban development boundary assessment index system, the assessment indicators under the dimension of improving intensive utilization include: urban development boundary expansion coefficient, industrial land proportion index, road and railway network density index, POI density index, comprehensive floor area ratio index, and building density index.

9. The method for evaluating the effectiveness of the implementation of the "three zones and three lines" demarcation of national land space according to claim 1 is characterized in that: The implementation effectiveness index and comprehensive index of the "Three Zones and Three Lines" are calculated based on the comprehensive evaluation method. The formula is as follows: ，x=1,2,3， ， in, Respectively represent the implementation effectiveness index of the three evaluation indicator systems, It represents the overall implementation effectiveness index of the "three zones and three lines" demarcation. express Evaluation index system The value of the indicator after normalization. express Evaluation index system Relative indicators The weight value of the evaluation index system, Indicates the number of indicators.

10. A national land space "three zones and three lines" demarcation implementation effectiveness evaluation system, characterized by: include: The evaluation parameter confirmation module is used to determine the evaluation period and scope based on the implementation time of the "three zones and three lines" demarcation of national land space; The evaluation indicator system construction module is used to construct an evaluation indicator system for the implementation effectiveness of the "Three Zones and Three Lines" policy, including: Construct an evaluation index system for the protection of cultivated land and permanent basic farmland red lines from three dimensions: stabilizing cultivated land quantity, improving cultivated land quality, and enhancing ecological functions; Construct an ecological protection red line assessment indicator system from three dimensions: strict protection of spatial boundaries, improvement of ecological protection efficiency, and enhancement of ecosystem service functions; Construct an urban development boundary assessment index system from three dimensions: reasonable land use layout, improved intensive land use, and improved living environment quality; Evaluation indicator calculation module, used to calculate and weight various evaluation indicators based on the evaluation cycle and evaluation scope; The implementation assessment result confirmation module is used to calculate the implementation effectiveness index of the "three zones and three lines" based on the comprehensive assessment method, and obtain the overall implementation assessment results of the "three zones and three lines" demarcation.

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