CN112767218A - Spatial landscape recognition and analysis method and device - Google Patents
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Abstract
The invention discloses a space landscape recognition and analysis method and a device for a cultural ecological protection area, wherein the method comprises the following steps: recognizing an ecological sensitive area and a cultural ecological protection area according to each ecological factor of a preset area; determining important ecological patches and important ecological galleries of the cultural ecological protection area according to the spatial distribution rule, the migration characteristic and other important ecological flow characteristics of typical species; constructing a landscape ecological safety pattern according to the ecological sensitive area, the important ecological plaque and the important ecological corridor; determining the spatial structure of the cultural ecological protection area according to the landscape ecological safety pattern; and determining the spatial characteristics of the cultural ecological protection area and the stability of the cultural ecological protection area according to the spatial structure. Through the technical scheme, basis can be provided for scientific protection of the cultural ecological protection area.
Description
Technical Field
The invention relates to the technical field of cultural ecological management, in particular to a spatial landscape recognition and analysis method and device for a cultural ecological protection area.
Background
At present, the establishment and construction of the cultural ecological protection area mainly focus on the aspects of non-material cultural heritage directory project protection, inheritance protection, cultural form recognition, integrity protection and the like, and the recognition and analysis technology for the cultural landscape of the cultural ecological protection area is still blank.
Disclosure of Invention
In view of the above problems, the invention provides a method and a device for identifying and analyzing the spatial landscape of the cultural ecological protection area, which establish scientific cultural landscape identification and analysis technology of the cultural ecological protection area and provide a basis for scientific protection of the cultural ecological protection area through the analysis of the association between the cultural landscape characteristics and changes and the state, structure and function of the cultural ecological system.
According to a first aspect of the embodiments of the present invention, there is provided a spatial landscape recognition and analysis method for a cultural ecological protection area, the method including:
recognizing an ecological sensitive area and a cultural ecological protection area according to each ecological factor of a preset area;
determining important ecological patches and important ecological galleries of the cultural ecological protection area according to the spatial distribution rule, the migration characteristic and other important ecological flow characteristics of typical species;
constructing a landscape ecological safety pattern according to the ecological sensitive area, the important ecological plaque and the important ecological corridor;
determining the spatial structure of the cultural ecological protection area according to the landscape ecological safety pattern;
and determining the spatial characteristics of the cultural ecological protection area and the stability of the cultural ecological protection area according to the spatial structure.
In one embodiment, preferably, the ecological elements include natural ecological elements, landscape ecological elements, cultural ecological elements, and social ecological elements.
In one embodiment, preferably, the spatial structure includes: plaques, galleries, stroma, networks, and transition zones.
In one embodiment, preferably, the landscape ecological security landscape comprises: source, buffer, corridor, possible diffusion path and strategic point.
In one embodiment, preferably, the landscape ecological safety pattern is constructed according to the ecological sensitive area, the important ecological plaque and the important ecological corridor, and comprises the following steps:
determining a landscape diversity index, a landscape aggregation index, a landscape connection index, an ecological land occupation ratio and a comprehensive human disturbance index according to the ecological sensitive area, the important ecological patch and the important ecological corridor;
and constructing the landscape ecological safety pattern according to the landscape diversity index, the landscape aggregation index, the landscape connectivity index, the ecological land occupation area ratio and the comprehensive human disturbance index.
In one embodiment, preferably, determining a landscape diversity index, a landscape concentration index, a landscape connectivity index, an ecological footprint ratio and a comprehensive human disturbance index from the ecologically sensitive area, the important ecological plaque and the important ecological corridor comprises:
determining the total number of landscape types, the proportion of the area occupied by each landscape type, the proportion of each important patch in the landscape, the number of polygons adjacent to different ecological patches, the total number of patch types in the landscape, the total number of green patch types in the landscape, the area of green patch, the number of connections between ecological patches, the total area of cultural ecological protection area, the area of land coverage type, human disturbance degree grading index and the percentage of land coverage type area according to the ecological sensitive area, the important ecological patches and the important ecological corridor;
calculating the landscape diversity index by adopting the following first calculation formula:
wherein H represents a landscape diversity index, LiRepresenting the proportion of the area occupied by the landscape type i, and m representing the total number of the landscape types;
calculating the landscape concentration index by adopting the following second calculation formula:
wherein AI represents an aggregation index, PiRepresenting the proportion of i-type patches in the landscape; gikRepresenting the number of polygons with the important plaque i adjacent to the important plaque k, and m representing the total number of types of the plaques in the landscape;
calculating the landscape connectivity index by adopting the following third calculation formula:
wherein, I represents landscape connectivity index, n represents the total number of green patches in the landscape, aiAnd ajDenote the areas of the greenfield patch i and patch j, nlijRepresenting the number of junctions between plaque i and plaque j, AL representing the total area of the study area;
calculating the area ratio of the ecological land by adopting the following fourth calculation formula:
wherein P represents the ecological land area ratio, SiRepresenting the coverage type area of the ith type of land, and S representing the total area of the cultural ecological protection area;
calculating the integrated human disturbance index using the following fifth calculation formula:
wherein D represents the integrated human perturbation index, AiGrading index of degree of human disturbance, P, representing i-th land cover typeiRepresenting the percentage of the i-th land cover type area.
In one embodiment, preferably, the method further comprises:
according to the spatial structure of the cultural ecological protection area, the connection with the substrate and the large plaque is realized by establishing and repairing galleries according to the small plaque in a human activity concentration area.
According to a second aspect of the embodiments of the present invention, there is provided a spatial landscape recognition and analysis apparatus for a cultural ecological protection area, the apparatus including:
the identification module is used for identifying an ecological sensitive area and a cultural ecological protection area according to each ecological factor of a preset area;
the first determination module is used for determining important ecological patches and important ecological galleries of the cultural ecological protection area according to the spatial distribution rule, the migration characteristic and other important ecological flow characteristics of typical species;
the construction module is used for constructing a landscape ecological safety pattern according to the ecological sensitive area, the important ecological plaque and the important ecological corridor;
the second determining module is used for determining the spatial structure of the cultural ecological protection area according to the landscape ecological safety pattern;
and the third determining module is used for determining the spatial characteristics of the cultural ecological protection area and the stability of the cultural ecological protection area according to the spatial structure.
According to a third aspect of embodiments of the present invention, there is provided a computer-readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the steps of the method of any one of the first aspect.
In the technical scheme, a scientific cultural landscape recognition and analysis technology of the cultural ecological protection area is established, and a basis is provided for scientific protection of the cultural ecological protection area through correlation analysis of cultural landscape characteristics, changes and the state, structure and functions of the cultural ecological system.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a spatial landscape recognition analysis method for a cultural ecological protection area according to an embodiment of the present invention.
Fig. 2 is a flowchart of a spatial landscape recognition and analysis method for a cultural ecological protection area according to another embodiment of the present invention.
Fig. 3 is a flowchart of a spatial landscape recognition analysis method for a cultural ecological protection area according to another embodiment of the present invention.
Fig. 4 is a schematic diagram of space division according to an embodiment of the present invention.
FIG. 5 is a protection plan diagram of one embodiment of the present invention.
Fig. 6 is a sectional view of a protective sheet region according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In some of the flows described in the present specification and claims and in the above figures, a number of operations are included that occur in a particular order, but it should be clearly understood that these operations may be performed out of order or in parallel as they occur herein, with the order of the operations being indicated as 101, 102, etc. merely to distinguish between the various operations, and the order of the operations by themselves does not represent any order of performance. Additionally, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel. It should be noted that, the descriptions of "first", "second", etc. in this document are used for distinguishing different messages, devices, modules, etc., and do not represent a sequential order, nor limit the types of "first" and "second" to be different.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flowchart of a spatial landscape recognition and analysis method for a cultural ecological protection area according to an embodiment of the present invention, and as shown in fig. 1, the spatial landscape recognition and analysis method for the cultural ecological protection area includes:
step S101, identifying an ecological sensitive area and a cultural ecological protection area according to each ecological factor of a preset area;
in one embodiment, preferably, the ecological elements include natural ecological elements, landscape ecological elements, cultural ecological elements, and social ecological elements.
Step S102, determining important ecological patches and important ecological galleries of the cultural ecological protection area according to the spatial distribution rule, the migration characteristic and other important ecological flow characteristics of typical species;
and S103, constructing a landscape ecological safety pattern according to the ecological sensitive area, the important ecological plaque and the important ecological corridor.
In one embodiment, preferably, the landscape ecological security landscape comprises: source, buffer, corridor, possible diffusion path and strategic point.
The landscape safety pattern is based on the theory of landscape ecological planning method, aiming at the protection of landscape biodiversity, scholars propose a minimum resistance surface (MCR) model, and construct a series of ecologically safe landscape patterns by means of the surface expansion technology in GIS, which can be called as the surface model of the safety pattern. In this model, the ecologically safe landscape architecture should contain the following components: a source region, which refers to an existing natural habitat used as a species diffusion source; a buffer area (zone) which is a landscape space surrounding the source or the ecological corridor and is easily utilized by target species; a corridor, which refers to a communication channel between source places and can be used for transferring target species; and fourthly, possible diffusion paths which refer to possible directions of target species diffusing from the seed source to the surroundings, and the paths jointly form a potential ecological network of the target species for utilizing the landscape. Strategic points refer to areas in the landscape that have a critical effect on the migration or diffusion process of species. The theoretical model can be used for spatial research of the cultural ecosystem, five spatial structures of the cultural ecology are discriminated, and the interaction of internal factors of the cultural ecosystem is researched, so that the cultural ecology can be protected more effectively.
And S104, determining the spatial structure of the cultural ecological protection area according to the landscape ecological safety pattern.
In one embodiment, preferably, the spatial structure includes: plaques, galleries, stroma, networks, and transition zones.
In the cultural ecology research, by means of the spatial structure theory of landscape ecological planning, five spatial types of patches (Patch), corridors (corridors), bases (Matrix), nets (Net) and edges (Edge) can be distinguished from basic characteristics such as spatial form, outline and distribution, and spatial concepts such as culture matrixes and culture communities are formed. Different element types, different spatial morphologies, and different basic functional properties and characteristics.
"plaque" also known as plaque, in landscape ecology refers to "nonlinear landscape ecosystem unit different from surrounding background"; "dimensional-dependent, spatially distinct entities in nature or appearance from the surrounding environment (substrate)". By using this theory, the culture medium can be defined as the inheritance group, representative inheritance person and inheritance space of the non-material cultural heritage project.
The corridor is also called as corridor, and refers to a line or strip-shaped landscape ecosystem space type, such as roads, streams, paths and hedges, is a linear landscape unit, and has double functions of passage and obstruction. The corridor has strong influence on the ecological process of a landscape, and the corridor in the cultural ecology is a channel for cultural communication and propagation and plays a role in maintaining the balance and the integrity of a cultural ecosystem.
The base is also called as a substrate, is a landscape ecosystem with the largest area, the widest distribution and the outstanding advantages in a certain area, is often represented as the environmental background of spots, galleries and the like, has an important role in landscape function, and controls landscape dynamics as a whole. The substrate in cultural ecology is a cultural community, which is represented by a street, a community or a village, a village and other relatively complete human living or (group-wise) production minimum colony unit. The cultural community is the smallest ecological unit for inheritance and development of non-material cultural heritage.
The network refers to a structure for connecting different ecosystems with each other in landscape, and the intercrossing or connection of galleries forms the network, which has an extremely important influence on ecological processes on a regional scale. In the cultural ecosystem, the spatial structure of a specific region plays the same key role in the propagation and communication fusion of the culture.
The 'margin' is also called transition zone, fragile zone, edge zone, ecological cross zone, etc. and refers to the part with obvious transition characteristic between different landscape plate spaces in the landscape ecological system. The transition zone in the cultural ecology can be understood as the region where different culture types are transited or the general (non-core) area where the cultural heritage items are distributed.
And S105, determining the spatial characteristics of the cultural ecological protection area and the stability of the cultural ecological protection area according to the spatial structure.
The stability of the cultural ecological protection area comprises landscape stability, wherein the landscape stability refers to that various parameters of the landscape show a horizontal state in long-term change or the amplitude and periodicity of vertical swing on a horizontal line, and the landscape has statistical characteristics. The stability of the landscape can be understood from two aspects, one is the stability of the landscape in view of the tendency of the landscape to change, and the other is the stability of the landscape recognized from the reaction of the landscape to the disturbance. The stability of the culture ecosystem can be observed and judged from two aspects of the change trend and the interference factors.
Fig. 2 is a flowchart of a spatial landscape recognition and analysis method for a cultural ecological protection area according to another embodiment of the present invention.
As shown in fig. 2, in one embodiment, preferably, the method further comprises:
and step S201, according to the spatial structure of the cultural ecological protection area, the connection between the culture ecological protection area and the substrate and the large plaque is realized by building and repairing galleries according to the small plaque in the human activity concentration area.
In summary, by using the theory of landscape ecological safety pattern for reference, the basic path of the landscape recognition analysis technology in the cultural ecological protection area is summarized as follows: according to the social and economic data and the field investigation records in recent years, firstly, the ecological protection area is identified on the basis of the evaluation of an ecological sensitive area by researching the local ecological element distribution; determining important ecological patches and ecological galleries according to the space distribution rule and the migration characteristic of typical species and other important ecological flow (energy flow, material flow and information flow) characteristics; comprehensively considering ecological sensitive areas (ecological elements are vertically overlapped and distributed) and ecological galleries and plaque distribution (ecological elements are distributed in a horizontal space), constructing an urban and rural integrated landscape ecological safety pattern, and establishing an urban space structure on the premise of the landscape ecological safety pattern; the method is characterized in that small plaques are searched in a human activity concentration area, and connection with matrixes and large plaques is realized by establishing and repairing channels.
Fig. 3 is a flowchart of a spatial landscape recognition analysis method for a cultural ecological protection area according to another embodiment of the present invention.
As shown in fig. 3, in one embodiment, preferably, the step S103 includes:
step S301, determining a landscape diversity index, a landscape aggregation index, a landscape connectivity index, an ecological land occupation ratio and a comprehensive human disturbance index according to the ecological sensitive area, the important ecological patch and the important ecological corridor;
and S302, constructing the landscape ecological safety pattern according to the landscape diversity index, the landscape aggregation index, the landscape connection index, the ecological land area ratio and the comprehensive human disturbance index.
In one embodiment, preferably, determining a landscape diversity index, a landscape concentration index, a landscape connectivity index, an ecological footprint ratio and a comprehensive human disturbance index from the ecologically sensitive area, the important ecological plaque and the important ecological corridor comprises:
determining the total number of landscape types, the proportion of the area occupied by each landscape type, the proportion of each important patch in the landscape, the number of polygons adjacent to different ecological patches, the total number of patch types in the landscape, the total number of green patch types in the landscape, the area of green patch, the number of connections between ecological patches, the total area of cultural ecological protection area, the area of land coverage type, human disturbance degree grading index and the percentage of land coverage type area according to the ecological sensitive area, the important ecological patches and the important ecological corridor;
calculating the landscape diversity index by adopting the following first calculation formula:
wherein H represents a landscape diversity index, LiRepresenting the proportion of the area occupied by the landscape type i, and m representing the total number of the landscape types;
calculating the landscape concentration index by adopting the following second calculation formula:
wherein AI represents an aggregation index, PiRepresenting the proportion of i-type patches in the landscape; gikRepresenting the number of polygons with the important plaque i adjacent to the important plaque k, and m representing the total number of types of the plaques in the landscape;
calculating the landscape connectivity index by adopting the following third calculation formula:
wherein, I represents landscape connectivity index, n represents the total number of green patches in the landscape, aiAnd ajDenote the areas of the greenfield patch i and patch j, nlijRepresenting the number of junctions between plaque i and plaque j, AL representing the total area of the study area;
calculating the area ratio of the ecological land by adopting the following fourth calculation formula:
wherein P represents the ecological land area ratio, SiRepresenting the coverage type area of the ith type of land, and S representing the total area of the cultural ecological protection area;
calculating the integrated human disturbance index using the following fifth calculation formula:
wherein D represents the integrated human perturbation index, AiGrading index of degree of human disturbance, P, representing i-th land cover typeiRepresenting the percentage of the i-th land cover type area.
The invention establishes scientific cultural landscape recognition and analysis technology for the cultural ecological protection area, and provides basis for scientific protection of the cultural ecological protection area through the analysis of the relevance between the cultural landscape characteristics, the change and the state, the structure and the function of the cultural ecological system. According to the definition of the cultural ecological protection area, the cultural ecological protection area is a specific cultural region firstly; secondly, it should also be a specific ecological functional area; in addition, it should be of a particular landscape type. The culture ecological protection region is defined by taking the culture region as a main basis and taking the ecological function and landscape characteristics as auxiliary bases. The landscape features refer to a mode of space recognition according to different landscape types, such as natural landscape division, cultural landscape division and the like. The landscape identification analysis technology of the cultural ecological protection area provides a basis for landscape identification of the cultural ecological protection area, the cultural ecological problem diagnosis, the cultural ecological function requirement evaluation and the landscape pattern planning are closely combined, and the landscape of the cultural ecological protection area is promoted to develop towards a healthy, stable and sustainable direction by optimizing the landscape pattern and restoring and rebuilding the landscape.
The above technical solution of the present invention is explained in detail by a specific embodiment.
Taking ' Diqing ecological culture protection experimental area planning ' as an example, the planning focus carries out detailed combing analysis on the di qing state culture ecological status, and as shown in fig. 4 to 6, three levels of ' ecological patch ', ' ecological corridor ' and ' culture ecological matrix ' are established, namely a ' colony ' space consisting of villages, national villages and characteristic villages of traditional culture, a ' corridor ' space consisting of tea horse ancient ways and ' three river ' watersheds, and a regional national culture ecological protection area ' defined according to natural environment, landform types and national distribution characteristics. Aiming at the geographical space where Diqing minority nationality non-material cultural heritage is most abundant in retention and most ordered in inheritance in village, the vertical distribution characteristic of 'large dispersion and small inhabitation' of Diqing multiple nationalities is combined, the scheme proposes that the national village is taken as a protection main body, the aims of 'local protection' and 'native place protection' of the non-material cultural heritage in the village space are achieved, a cultural ecological protection system based on the national village is constructed, the important role of the national traditional village in the non-material cultural heritage protection inheritance is highlighted, in addition, the scheme takes the village as a basic unit, the community culture protection is highlighted, and the construction plan of 56 recent projects is formulated to directly guide the project implementation. According to natural environment, landform types and national distribution, in the whole area division, the planning takes the core nationality of the whole residence as a key point, the protection area is divided into a three-river parallel flow north Tibetan nationality cultural protection area, a valley downstream Naxi nationality and Lisu nationality cultural protection area and a three-river parallel flow middle multi-nationality multi-cultural protection area taking the Tibetan nationality as a main body, and meanwhile, space control protection measures of nine major nationalities are proposed in the cultural ecological space protection planning.
According to a second aspect of the embodiments of the present invention, there is provided a spatial landscape recognition and analysis apparatus for a cultural ecological protection area, the apparatus including:
the identification module is used for identifying an ecological sensitive area and a cultural ecological protection area according to each ecological factor of a preset area;
the first determination module is used for determining important ecological patches and important ecological galleries of the cultural ecological protection area according to the spatial distribution rule, the migration characteristic and other important ecological flow characteristics of typical species;
the construction module is used for constructing a landscape ecological safety pattern according to the ecological sensitive area, the important ecological plaque and the important ecological corridor;
the second determining module is used for determining the spatial structure of the cultural ecological protection area according to the landscape ecological safety pattern;
and the third determining module is used for determining the spatial characteristics of the cultural ecological protection area and the stability of the cultural ecological protection area according to the spatial structure.
According to a third aspect of embodiments of the present invention, there is provided a computer-readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the steps of the method of any one of the first aspect.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A space landscape recognition and analysis method for a cultural ecological protection area is characterized by comprising the following steps:
recognizing an ecological sensitive area and a cultural ecological protection area according to each ecological factor of a preset area;
determining important ecological patches and important ecological galleries of the cultural ecological protection area according to the spatial distribution rule, the migration characteristic and other important ecological flow characteristics of typical species;
constructing a landscape ecological safety pattern according to the ecological sensitive area, the important ecological plaque and the important ecological corridor;
determining the spatial structure of the cultural ecological protection area according to the landscape ecological safety pattern;
and determining the spatial characteristics of the cultural ecological protection area and the stability of the cultural ecological protection area according to the spatial structure.
2. The method of claim 1, wherein the ecological elements comprise natural ecological elements, landscape ecological elements, cultural ecological elements, and social ecological elements.
3. The method of claim 1, wherein the spatial structure comprises: plaques, galleries, stroma, networks, and transition zones.
4. The method of claim 1, wherein the landscape ecological security landscape comprises: source, buffer, corridor, possible diffusion path and strategic point.
5. The method of claim 1, wherein constructing a landscape ecological security pattern from the ecologically sensitive areas, the vital ecological patches and the vital ecological corridor comprises:
determining a landscape diversity index, a landscape aggregation index, a landscape connection index, an ecological land occupation ratio and a comprehensive human disturbance index according to the ecological sensitive area, the important ecological patch and the important ecological corridor;
and constructing the landscape ecological safety pattern according to the landscape diversity index, the landscape aggregation index, the landscape connectivity index, the ecological land occupation area ratio and the comprehensive human disturbance index.
6. The method of claim 5, wherein determining a landscape diversity index, a landscape concentration index, a landscape connectivity index, an ecological footprint ratio, and a comprehensive human disturbance index based on the ecologically sensitive area, the vital ecological patch, and the vital ecological corridor comprises:
determining the total number of landscape types, the proportion of the area occupied by each landscape type, the proportion of each important patch in the landscape, the number of polygons adjacent to different ecological patches, the total number of patch types in the landscape, the total number of green patch types in the landscape, the area of green patch, the number of connections between ecological patches, the total area of cultural ecological protection area, the area of land coverage type, human disturbance degree grading index and the percentage of land coverage type area according to the ecological sensitive area, the important ecological patches and the important ecological corridor;
calculating the landscape diversity index by adopting the following first calculation formula:
wherein H represents a landscape diversity index, LiRepresenting the proportion of the area occupied by the landscape type i, and m representing the total number of the landscape types;
calculating the landscape concentration index by adopting the following second calculation formula:
wherein AI represents an aggregation index, PiRepresenting the proportion of i-type patches in the landscape; gikRepresenting the number of polygons with the important plaque i adjacent to the important plaque k, and m representing the total number of types of the plaques in the landscape;
calculating the landscape connectivity index by adopting the following third calculation formula:
wherein, I represents landscape connectivity index, n represents the total number of green patches in the landscape, aiAnd ajDenote the areas of the greenfield patch i and patch j, nlijRepresenting the number of junctions between plaque i and plaque j, AL representing the total area of the study area;
calculating the area ratio of the ecological land by adopting the following fourth calculation formula:
wherein P represents the ecological land area ratio, SiRepresenting the coverage type area of the ith type of land, and S representing the total area of the cultural ecological protection area;
calculating the integrated human disturbance index using the following fifth calculation formula:
wherein D represents the integrated human perturbation index, AiGrading index of degree of human disturbance, P, representing i-th land cover typeiRepresenting the percentage of the i-th land cover type area.
7. The method of claim 3, further comprising:
according to the spatial structure of the cultural ecological protection area, the connection with the substrate and the large plaque is realized by establishing and repairing galleries according to the small plaque in a human activity concentration area.
8. The utility model provides a space view discernment analytical equipment in culture ecological conservation district which characterized in that, the device includes:
the identification module is used for identifying an ecological sensitive area and a cultural ecological protection area according to each ecological factor of a preset area;
the first determination module is used for determining important ecological patches and important ecological galleries of the cultural ecological protection area according to the spatial distribution rule, the migration characteristic and other important ecological flow characteristics of typical species;
the construction module is used for constructing a landscape ecological safety pattern according to the ecological sensitive area, the important ecological plaque and the important ecological corridor;
the second determining module is used for determining the spatial structure of the cultural ecological protection area according to the landscape ecological safety pattern;
and the third determining module is used for determining the spatial characteristics of the cultural ecological protection area and the stability of the cultural ecological protection area according to the spatial structure.
9. A computer-readable storage medium having stored thereon computer instructions, which when executed by a processor, implement the steps of the method of any one of claims 1 to 7.
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