Phenological responses of ash (Fraxinus excelsior) and sycamore (Acer pseudoplatanus) to riparian thermal conditions

- Phenology was compared between riparian and non-riparian trees.
- The relationship between tree phenology and thermal conditions was explored.
- Between-site variation in tree phenology was species specific.
- Temperature was correlated with bud burst and growing season but not leaf fall.
- Riparian thermal modification by rivers can have ecological significance.