Some Christmas tree growers across the country have been experiencing a tree shortage that is the result of a perfect storm of factors -- one of them being the weather this year. The coronavirus ...

PASADENA, Calif. (KABC) -- An arborist hired by the city of Pasadena concluded that a slight lean, added weight from recent rains and a lack of anchoring roots caused a large pine tree to fall and ...

BRENTWOOD, Mo. -- The wettest June on record in St. Louis has caused rivers to rise and saturated farmland. It's also a factor in an unexpected problem -- toppling trees. For trees already suffering ...

This is a preview. Log in through your library . Abstract Forest dynamics are shaped by both abiotic and biotic factors. Trees associating with different types of mycorrhizal fungi differ in nutrient ...