Barely Significant

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Analysis of landscape pattern indices at landscape level As shown in Table 7 , the landscape pattern indices in the Kashgar region, including patch density (PD), largest patch index (LPI), landscape shape index (LSI), edge density (ED), and shannon’s diversity index (SHDI), generally increased from 1980 to 2023, while the contagion index (CONTAG) demonstrated a decreasing trend over the same period.
In addition, the platform-specific Quantile Regression results further refine this heterogeneity: On Douyin, GQS exerts a significant positive impact on both high-interaction and low-to-medium interaction videos, while JAMA shows a negative impact on low and medium-interaction videos; on Bilibili, quality indicators did not show significant impact, though PEMAT-A exhibited a positive trend.