Extended Data Fig. 2: Relationship between ENSO and rice migration pest occurrence condition in Vietnam.
a, The correlation between winter Niño 3.4 and occurrence area of two rice migration pests in Vietnam from 2010 to 2016. b, The distribution of aggregated occurrence area of two rice migration pests (rice planthopper and rice leaf folder) under two different winter ENSO conditions. The symbol * shows they are different at 90% significant level after Mann-Whitney U two-sided test and the p-value is 0.067. c, Estimated correlation between average occurrence area of rice planthopper and rice leaf folder in Vietnam and winter Niño 3.4 index value from 2010 to 2016 based on bootstrap method.
