Species-specific trends of spring leaf unfolding

Note:
The species-specific trends of spring leaf unfolding during the two periods (1982–1999 and 2000–2011, time series). The numbers above or below the column are the average dates of species-specific phenological events for the study period. The number N1 to N18 indicates the id of these study species. N1: Prunus amygdalus; N2: Sambucus nigra; N3: Prunus spinosa; N4: Prunus avium; N5: Syringa vulgaris; N6: Aesculus hippocastanum; N7: Alnus glutinosa; N8: Betula pendula; N9: Sorbus aucuparia; N10: Corylus avellana; N11: Prunus domestica; N12: Pyrus communis; N13: Fagus sylvatica; N14: Tilia cordata; N15: Acer pseudoplatanus; N16: Quercus robur; N17: Fraxinus excelsior; N18: Robinia pseudoacacia. The details of these species are explained in Table S2 in the supplementary material.