Evaluation and identification method for plateau lakeside ecological landscape restoration planning

A technology of ecological landscape and identification methods, applied in character and pattern recognition, complex mathematical operations, instruments, etc., can solve problems such as no major progress, and achieve the effect of promoting sustainable economic development and ecological resource protection

Active Publication Date: 2021-04-13
POWER CHINA KUNMING ENG CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Nowadays, the combination of subjective and objective ev...

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  • Evaluation and identification method for plateau lakeside ecological landscape restoration planning
  • Evaluation and identification method for plateau lakeside ecological landscape restoration planning
  • Evaluation and identification method for plateau lakeside ecological landscape restoration planning

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] An evaluation and identification method for plateau lakeside ecological landscape restoration planning, including the following aspects:

[0070] (1) Evaluation of plateau lakeside ecological landscape components based on viewshed;

[0071] Based on the topographic index and topographic humidity index, establish a lakeside ecological landscape micro-geomorphology recognition algorithm, and combine it with the viewshed analysis to determine and analyze the composition of the plateau lakeside ecological landscape system;

[0072] (2) Evaluation of the restoration value of the plateau lakeside ecological landscape;

[0073] Comprehensively evaluate the landscape value through the rarity of the ecology in the region and the available demand; evaluate the spatial difference in the availability of ecological landscape restoration value through the cumulative view analysis; use the K-Means clustering algorithm to quantitatively describe the value in each view field the rarity...

Embodiment 2

[0078] On the basis of Example 1, the plateau lakeside ecological landscape composition assessment method based on sight is specifically:

[0079] Based on the topographic index and topographic humidity index, establish a lakeside ecological landscape micro-geomorphology recognition algorithm, and combine it with the viewshed analysis to determine and analyze the composition of the plateau lakeside ecological landscape system;

[0080] Topographic location can be considered as a form of micro-geomorphology. Using DEM data and sliding window method to realize the identification of micro-topography;

[0081] Generally speaking, topographic units mainly include water area and topographical information, that is, major factors such as elevation, slope, aspect, slope position, and confluence; different measurements of each factor are the basis for classifying topographic unit types. The measures of the factors contained in the unit or the combination of measures of multiple factors...

Embodiment 3

[0088] On the basis of Embodiment 1-2, the method for assessing the restoration value of the lakeside ecological landscape of plateau lakes is specifically:

[0089] The evaluation of the restoration value of the plateau lakeside ecological landscape should not only consider the rarity of the ecology in the region, but also meet the demand for availability. The calculation method is as follows:

[0090] ES=A×R (1)

[0091] ES stands for landscape value, A stands for availability, and R stands for rarity of each viewshed;

[0092] Cumulative horizon analysis can be used to infer spatial differences in the availability of ecological landscape restoration values. Cumulative viewshed analysis is based on the visual range of a single viewpoint, and obtains the cumulative value of the viewshed by superimposing all visible ranges.

[0093] During the evaluation, according to the spatial distribution characteristics of the study area, set the viewpoints at certain intervals, use the...

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Abstract

The invention discloses an evaluation and identification method based on plateau lakeside ecological landscape restoration planning. The method comprises the following steps: (1) evaluating plateau lakeside ecological landscape components based on a vision field; (2) evaluating the restoration value of the plateau lake lakeside ecological landscape; (3) carrying out human activity interference intensity evaluation; (4) identifying the potential habitat of the plateau lakeside typical wetland waterfowl; (5) carrying out plateau lakeside zone ecological greenway line selection evaluation. Based on the topographic index and the topographic humidity index, a lakeside ecological landscape micro-landform recognition algorithm is established and combined with vision field analysis, and composition of a plateau lakeside ecological landscape system can be effectively recognized and analyzed.

Description

technical field [0001] The invention relates to the technical field of design evaluation and identification, and specifically relates to an evaluation and identification method for plateau lakeside ecological landscape restoration planning. Background technique [0002] In my country, due to problems such as the reverse succession of the biological community structure and the decline of ecological functions caused by human disturbance, the destruction of the lakeside ecosystem has become a global phenomenon. The main problems include the decline of higher aquatic plants and the eutrophication of water bodies. , the concentration of planktonic algae increased, the dominance of benthic animal pollution-resistant species increased, the number of fish populations decreased, and the habitat of terrestrial organisms was destroyed. In order to improve the structure and function of the lakeside ecosystem, domestic and foreign scholars and scientific and technological workers have depo...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/26G06F17/18G06K9/62
CPCG06Q10/04G06Q50/26G06F17/18G06F18/23213
Inventor 吴程逯亚峰肖涵李沁文龚毅王康
Owner POWER CHINA KUNMING ENG CORP LTD
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