Fig. 7
From: Pressures from long term environmental change at the shrines and temples of Nikkō
a Annual frequency of forest fires in Japan distinguishing the earlier set of data (white diamonds) and those from 1990 (black diamonds). b The relationship between the deviation in annual precipitation from the 30-year mean (1981–2010) and the frequency of forest fires in Japan for both earlier and later periods. c The change in annual lightning flashes in Japan over recent decades