Forest Phenology Dynamics and Its Responses to Meteorological Variations in Northeast China

Table 2

Linear trends of area-averaged phenological variables (SOS, EOS, and LOS) in different vegetation zones of Northeast China.

Regions	SOS trends		EOS trends		LOS trends
	Slope (d·a^−1)	Variance	Slope (d·a^−1)	Variance	Slope (d·a^−1)	Variance
I	0.50	1.27	0.27	1.54	−0.08	3.08
II	0.24	3.54	0.35	2.47	0.57	5.87
III	0.27	1.17	0.75	0.8	0.58	2.17
IV	−0.06	1.86	0.266	0.66	0.39	2.83

Note. I: cool-temperate needleleaf forest region; II: temperate steppe region; III: temperate needleleaf and broadleaf mixed forest region; IV: warm-temperate deciduous broadleaf forest region.