A positive trend rate indicates that climate change or human activities improve the RSEI, while a negative trend rate indicates they decrease the RSEI.
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Spatio-Temporal Heterogeneity of Ecological Quality in a Typical Dryland of Northern China Driven by Climate Change and Human Activities.
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The sentences
Overall, the proportion of the area classified as Poor demonstrated an increasing trend throughout the study period, while the Fair level exhibited a decreasing trend.