We continue to enjoy learning about the communication between trees and this article from Quanta is an example why: Across a Continent, Trees Sync Their Fruiting to the Sun European beech trees more than 1,500 kilometers apart all drop their fr…
Warm weather is one signal that guides the masting of beech trees, but now it appears that day length does more to determine the precise timing of the fruit release among European beeches. Jakub Szymkowiak
European beech trees more than 1,500 kilometers apart all drop their fruit at the same time in a grand synchronization event now linked to the summer solstice.
Each summer, like clockwork, millions of beech trees throughout Europe sync up, tuning their reproductive physiology to one another. Within a matter of days, the trees produce all the seeds they'll make for the year, then release their fruit onto the forest floor to create a new generation and feed the surrounding ecosystem.
The recent discovery about European beech trees and the summer solstice was made by a team of researchers at Adam Mickiewicz University that included (from left to right) Jakub Szymkowiak, Michał Bogdziewicz and Valentin Journé, among others. Przemysław Stanula
It's a reproductive spectacle known as masting that's common to many tree species, but European beeches are unique in their ability to synchronize this behavior on a continental scale. From England to Sweden to Italy — across multiple seas, time zones and climates — somehow these trees "know" when to reproduce. But how?
A group of ecologists has now identified the distinctive cue — what they call the "celestial starting gun" — that, along with balmy weather, triggers the phenomenon. Their analysis of over 60 years' worth of seeding data suggests that European beech trees time their masting to the summer solstice and peak daylight.
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