Research Article
Variation of Main Phenophases in Phenological Calendar in East China and Their Response to Climate Change
Figure 4
Linear correlation analysis between the beginning time of phenological season and the mean temperature of the previous 60 days in 1987–2012. (a) Spring, Shanghai: (, ); Nanjing: (, ); and Hefei: (, ). (b) Summer, Shanghai: (, ); Nanjing: (, ); and Hefei: (, ). (c) Autumn, Shanghai: (, ); Nanjing: (, ); and Hefei: (, ). (d) Winter, Shanghai: (, ); Nanjing: (, ); and Hefei: (, ).
(a) |
(b) |
(c) |
(d) |