Canopy gaps help Eastern hemlock outlast invasive insect

A new study finds that creating physical gaps in the forest canopy gives Eastern hemlocks more access to resources and help those trees withstand infestation by an invasive insect. The approach adds another tool to the toolkit ...

World's longest lichen declines in a national park

A unique long-term study performed by researchers at Umeå University shows that the pendent lichen Usnea longissima has decreased by 42% over 37 years in Skuleskogen National Park, located in High Coast UNESCO World Heritage ...

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