highly significantp < 0.01
Differences are considered significant if 0.01 < p < 0.05 and highly significant if p < 0.01 [ 41 , 47 ].
Differences are considered significant if 0.01 < p < 0.05 and highly significant if p < 0.01 [ 41 , 47 ].
Although the differences are relatively small, a clear trend appears: the surface area decreases as the station distance increases from 5 m to 30 m, representing a reduction of nearly 20%.