Between 2.3 and 5.1 days per decade, spring has advanced globally, altering seed germination (Parmesan & Yohe, 2003).
Parmesan y Yohe (2003)
Parmesan, C., Yohe, G. A globally coherent fingerprint of climate change impacts across natural systems. Nature 421, 37–42 (2003). https://doi.org/10.1038/nature01286