a clear trendp > 0.05
The variability in soil C and N did not exhibit a clear trend with altitude (p > 0.05 for both) ( Fig. 1a ,c), whereas soil P increased significantly across the altitudinal gradient (p < 0.05) ( Fig. 1e ).
The variability in soil C and N did not exhibit a clear trend with altitude (p > 0.05 for both) ( Fig. 1a ,c), whereas soil P increased significantly across the altitudinal gradient (p < 0.05) ( Fig. 1e ).