In the Pacific Northwest, trees are considered old growth if they are more than 150 years old, LeGue says. “They have all this mass that is essentially carbon,” LeGue says. “It’s taken from gaseous ...
Crucial to the integrity of Pacific Northwest ecosystems, they’re expert recyclers of nutrients in soil and water, improving water quality in springs and rivers and enriching soils in old-growth ...
The change could help foster conditions conducive to growing larger, old growth trees that are ... regional forester for the Forest Service's Pacific Northwest Region, said in a statement.