It found that a tree’s growth rate increases with its size, in some cases adding the mass of a small tree every year.
That has huge implications for the amount of carbon dioxide an older tree can absorb.
“One of the analogies I use is if you’re managing a sports team, you’ve got to know who your star players are." says forest ecologist Nathan Stephenson with the USGS, and the study’s lead author.
"This would be the equivalent of discovering that your 90-year-old players are the stars of the team," he says.
Wild pigs cause serious damage to grazing lands and watersheds. UC Cooperative Extension scientists have developed a GIS-based tracking app to assess wild pig damage in order to figure out how to mitigate the creatures' impacts.
Sales of plug-in electric vehicles in California are projected to pass the 250,000 mark later this month. One reason the cars haven’t sold faster is a lack of sufficient charging stations. But that’s starting to change.
A yellow-legged frog that was once the most abundant amphibian in the Sierra Nevada is now the most rare. But a new study finds the frog population in Yosemite National Park shows signs of slow recovery after decades of severe decline.
About 2,000 people are expected to help remove trash along Sacramento's American River Parkway this Saturday. The Great American River Cleanup is part of Coastal Cleanup Day, the state's largest annual volunteer event held in mid-September.
The U.S. Environmental Protection Agency today added an historic Amador County gold mine to the list of the nation's worst toxic sites. Argonaut Mine is located west of downtown Jackson. It operated from the 1850s to the early 1940s.