| Downloadable | Bud Phenology 1992 - 2003 | Determine the relationship between the timing of bud development at different levels in the canopy and establish a baseline for the timing and duration of bud development on hardwood trees. | Measurement of hardwood species spring phenological stages at Proctor Maple Research Center, Underhill, VT | 1992-04-07 to 2003-05-23 |
| Description only | First Occurrence Day of Year For Sugar Maple for 1991-2009 | Determine the relationship between the timing of bud development at different levels in the canopy and establish a baseline for the timing and duration of bud development on hardwood trees. | Measurement of sugar maple canopy stages at Maple Research Center | 1991-04-01 to 2009-05-30 |
| Downloadable | Yearly Averages of Sugar Maple Bud Development Stages | Determine the relationship between the timing of bud development at different levels in the canopy and establish a baseline for the timing and duration of bud development on hardwood trees. | Annual averages of sugar maple bud development | 1991-01-01 (ongoing) |
