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.
Two nights of aerial spraying to reduce the number of mosquitoes testing positive for West Nile virus are scheduled to begin Monday in parts of Elk Grove, the Pocket Neighborhood and neighborhoods south of Fruitridge Road.
If you spent time on the water at Lake Tahoe last year and thought it looked a lot cloudier, you're right. UC Davis researchers say extreme weather — drought followed by heavy rains — caused clarity in 2017 to drop to its lowest recorded level.
The fish took a ride in a large truck on Wednesday morning and are now headed down the river on a journey to the ocean.
Using this new approach to calculate the snow’s water content also means improved forecasts for farms and cities, and even positive benefits for renewable-energy production. The program soon could go statewide — if it gets funded.
(AP) — Monday's snow survey found a "much rosier" picture than before last week's heavy winter storm, but still less than half the usual snow for this point in the season.
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