Rare and ancient trees are key to a healthy forest
Science reports: About 800 years ago, a giant oak tree in England’s Sherwood Forest helped shelter Robin Hood from the corrupt sheriff of Nottingham. Though the tale is likely a myth, the tree is not: It still stands as one of the world’s oldest oaks. Such ancient trees—some dating back more than 3000 years—are key to the survival of their forests, new research shows. Rare trees—some so scarce scientists have yet to find them—are also critical to forest health, another…