a negative trendP <0.10
We found a negative trend ( P <0.10) for the effect of distance on peak frequency when all recordings were included, but this relationship disappeared when we removed those calls recorded at distances exceeding 75 m.
We found a negative trend ( P <0.10) for the effect of distance on peak frequency when all recordings were included, but this relationship disappeared when we removed those calls recorded at distances exceeding 75 m.
The LMM revealed a significant effect of context on peak frequency ( F 2, 59 = 4.069, P = 0.022), though duration produced only a statistical trend ( Table 4 ).