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.
Chinook Salmon that are babies now -but will return as full-grown adults to California rivers in 2016- are beginning to make their way to the Pacific Ocean now.
The drought has left honey bees without their normal supply of wildflowers to feed on. Beekeepers have supplemented their diet, but that lacks nutrition to keep hives healthy. CapRadio's Amy Quinton tags along with a local beekeeper to learn more.
There’s a bit more progress in the delicate dance of reaching a deal on a new California water bond proposal that would replace the $11 billion bond currently on the November ballot. But a deal – if any – is still months away.
The allocations were $34 million more than had been expected for Sacramento projects.
Many people in the Sacramento region responded to calls to conserve water, using less last month than in the previous two Februaries. Many cities have not met conservation goals.