Technology of construction of urban-rural integration ecological security pattern

A technology of ecological safety and pattern, applied in the field of environmental ecology, to reduce surface runoff, alleviate urban water pressure, and realize the effect of rain and flood resources

Inactive Publication Date: 2013-07-24
BEIJING FORESTRY UNIVERSITY
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  • Technology of construction of urban-rural integration ecological security pattern

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[0022] The principle and process of this technology are described in detail below with examples:

[0023] 1 Classification of urban and rural landscape types

[0024] In ArcGIS, the remote sensing images of Chaoyang District, Beijing were visually interpreted. With the support of GPS, field surveys were carried out at the control points to determine the types of objects on the ground and improve the accuracy of remote sensing interpretation. Establish the classification rules of landscape types in Chaoyang District, Beijing. The six types of landscapes and their corresponding land use types are: building land, cultivated land, grassland, water area, forest land and other land use.

[0025] 2 Urban and rural landscape pattern analysis and function evaluation

[0026] Through the interpretation and classification of remote sensing images, the landscape index of the study area is calculated at the landscape level and patch level respectively. Analysis based on remote sensing da...

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Abstract

On the basic of theories such as landscape ecology and ecological service functions, methods such as a landscape pattern analytical method, an ecosystem service evaluation method and a landscape ecological function network simulation method are adopted, through determining technology of corridor and node positions, a heat island control pattern, a water resource protecting and flood detection pattern and a geological disaster safety protection pattern are overlaid, a critical area (such as an existing large-scale ecological plaque) and a critical node (such as an existing ecological plaque which needs to be reformed or newly built) in an ecological security pattern are judged, a critical position which needs to be ecologically built or adjusted and a sequence are obtained, the degree of importance of critical points can be calculated through plaque important indexes, integration and model optimization of technology of construction of the urban-rural integration ecological security pattern are carried out, and an ecosystem service and urban-rural spatial arrangement are linked.

Description

Technical field: [0001] This technology belongs to the field of environmental ecology, and mainly involves a theory and technical method for the construction of an urban-rural integrated ecological security pattern in the process of urban planning. Background technique: [0002] Although through long-term and unremitting efforts, great achievements have been made in the construction and protection of my country's ecological environment, the situation is still very grim. The problem of structural damage to the ecosystem is becoming more and more prominent, and the ecological function is showing a trend of continuous degradation, the degree of ecological degradation is intensifying, and the ecological service function is declining. At the same time, a series of ecological and environmental problems caused by land degradation, industrialization, urbanization and mining development are becoming more and more prominent. Biodiversity is constantly decreasing, water resources are b...

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Application Information

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IPC IPC(8): G06Q90/00
CPCY02A10/40Y02A30/60
Inventor 岳德鹏曹睿姜磊任慧君马梦超
Owner BEIJING FORESTRY UNIVERSITY
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