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Land use change is an important factor affecting the quality of the ecological environment, so the influence between land development and ecological environmental protection in the process of development and construction becomes an important proposition for building an ecologically civilized city in the new era. This paper takes Hangzhou Bay New Area as the research object and uses the remote sensing images of Hangzhou Bay New Area in four phases in 2013, 2015, 2017, and 2020 as the main data source to explore the relationship between land use and ecological environment quality in Hangzhou Bay New Area through the composition of different types of land use changes. The results show that the impact of land use changes on ecological environment quality is mainly focused on two aspects: in the change of land use structure, the ecological environment quality increases with the increase of forest land area, deteriorates with the expansion of construction land, and improves with the recovery of forest land area; In the change of land use mode, the ecological environment quality of other land converted to construction land becomes worse, the ecological environment quality of arable land converted to construction land does not change, and the ecological environment quality of unused land converted to forest land becomes better. In summary, the increase in the area of woodland in Hangzhou Bay New Area can strongly promote the improvement of ecological environment quality, and the protection of woodland and the selection of unused land for woodland development should be strengthened, while the continuous expansion of construction land should be restricted.
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