Traits that help trees live for hundreds of years also foster forest life, one reason why old growth forest conservation is crucial.
. The findings highlight the broader importance of big, old trees, and suggest threats to their survival from development, fire or climate change could deliver irreparable harm in certain ecosystems.: 6/18/18). In Europe, the remaining patches of forest with plentiful old trees constitute just 0.7 percent of the continent’s forested area.
Prior studies tended to look at how individual trees aged. So Munné-Bosch and Pasques decided up the ante. They studied young, adult and extremely old mountain pines in five different areas of the Spanish Pyrenees mountains. The duo calculated the trees’ ages based on tree trunk girth. .
Lichens grow on the gnarled branches of an ancient mountain pine in Alt Pirineu Natural Park, located high in the Spanish Pyrenees.Younger pines, which don’t have the unique physical and physiological features of ancient trees, can’t support forest life like ancient trees do. This makes ancient trees’ ecological role “irreplaceable,” Munné-Bosch says.
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