The BIs in the AYRSP were 0.522, 0.506, 0.504, and 0.509 in 2015, 2017, 2019, and 2021, respectively, with an average BI value of 0.510; therefore, a decreasing trend was observed.
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Spatio-temporal evolution and coupling relationship between biodiversity and urbanization in the areas along the Yellow River of Shandong province.
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The sentences
The coupling coordination degree between biodiversity and urbanization showed an increasing trend with continuous improvement in the urbanization level.