Abstract
Taking a reconstructed highway in Inner Mongolia passing through Baotou and Bayannur districts as the research object, using the integration technology of remote sensing image and GIS, this paper studies the main ecological factors such as vegetation, landform, wind force and soil in Baotou and Bayannur districts, and analyzes the sensitivity of surface erosion, ecological stability The change intensity of ecological environment and the interference of human activities. The results show that when the evaluation technology is the same, the zoning scale is different, and the evaluation results are different. If the scale range is within 2km, the scale evaluation results are more desirable. In 2014, the instability indexes of Baotou and Bayannur regions within 25km were 76.61 and 2.74 respectively, and those within 2km were 75.75 and 4.39 respectively. Through practical demonstration, using remote sensing and GIS technology, this paper evaluates and analyzes the ecological environmental impact of highway construction in Baotou and Bayannur, Inner Mongolia, and provides a new ecological environmental impact assessment method of highway construction projects, which provides a reference for the environmental assessment of highway construction in the future.
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