They got so little rain this past winter composed to NorCal (and we didn't get as much as we really needed), I hate to think what the late summer and early fall will bring, especially when the Santa Ana winds act like a bellows to a furnace.Man, SoCal is getting hammered.
With defoliation, I think the rule of thumb is, if they survive 3 seasons they'll most likely survive.More from the NASA Earth Observatory site. First, bark beetle caused tree loss in the Sierra Nevada mountains:
http://earthobservatory.nasa.gov/IOTD/view.php?id=88381
Then, so our eastern friends don't feel left out, gypsy moth caterpillar damage in Rhode Island. Check out the picture at the bottom of the page. The trees will survive unless this happens for several years in a row.
http://earthobservatory.nasa.gov/IOTD/view.php?id=88370
With defoliation, I think the rule of thumb is, if they survive 3 seasons they'll most likely survive.
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