close to significanceP = 0.056
sp.3: 105; 80, 132; Mann–Whitney U -test for log data: U = 17, P = 0.02); it was close to significance at the 10-min interval (Mann–Whitney U -test for log data: U = 21, P = 0.056) but not significant in the longer intervals (Mann–Whitney U -test for log data: U > 34, P > 0.4; Fig. 1 ).