Data analysis
The dew point temperature was calculated using long-term meteorological
observations. Linear regression was used to test the relationship
between plant height and dew amount in the control and warming
treatments. To test the warming effect, one-way analysis of variance
(ANOVA) and Tukey’s HSD test were used to determine differences in dew
amount and duration between the control and warming plots. All
statistical analyses were conducted using R 3.2.2 software (R Foundation
for Statistical Computing, Vienna, Austria, 2013). Differences were
considered significant at P < 0.05 unless otherwise
stated.