California鈥檚 drought is having a devastating effect on its forests. Aerial surveys around the state show more than 20 million dead trees so far. And the drought has a partner in crime 鈥� the pine beetle. If this deadly combination continues, it could drastically change California鈥檚 forested landscape.
To understand the impact of the drought in the Sierra Nevada forests, one need only visit Al Anderson鈥檚 800-acre ranch in Mariposa County.
Loggers are busy cutting down dead trees on his property. Anderson says over the last two years, he鈥檚 watched his trees die.
鈥淲e took out more than 40 loads in April and May and we thought we pretty much had it," says Anderson. "Then, the day after the loggers left, we noticed more trees were dying.鈥�
Trees are falling victim to three things right now; drought, the pine beetle, and wildfires.
Each of these stressors on its own is bad enough but together they feed on each other. That鈥檚 accelerating the pace of the die-off.
Robert Giorgi has been helping Anderson cut down the trees. He holds up a stump he cut just a few hours earlier.
鈥淭he very center of the trees are just dry, almost hollow sounding to hit, no water, they can鈥檛 fight them off,鈥� says Giorgi.
It doesn鈥檛 help that Anderson鈥檚 property is next to the Sierra National Forest. Dead trees from a wildfire two years ago are attracting the bugs and they鈥檙e spreading onto Anderson鈥檚 property.
Anderson stands on a ridge overlooking a valley with huge swaths of dead brown trees.
鈥淭his entire ridge up here, the part that wasn鈥檛 burnt, the bugs got the rest of it,鈥� says Anderson.
Aerial surveys by the Forest Service show more than 18 million dead trees in the Sierra forests. But there are millions more around the state.
鈥淢ortality in our state鈥檚 forests is as bad as we鈥檝e seen in any recent history, going back decades at least, if not recorded history.鈥� says Matt Dias, acting executive officer with the California Board of Forestry and Fire Protection.
Dias says the board recently took the unprecedented step of relaxing rules that limit the amount of trees a landowner can remove 鈥� because all the dead trees increase the wildfire risk.
What to do with all the dead trees is another problem. Al Anderson says saw mills are backlogged.
鈥淭here鈥檚 so much supply that it鈥檚 outstripping demand," says Anderson. "The mills are full of logs because of all the fires and bug kill, and some mills won鈥檛 take any more trees at all period.鈥�
For now, the dead trees sit in his yard wrapped in plastic until he can get a saw mill to take them.
The dead trees aren鈥檛 just a burden for landowners.
About four hours north of Anderson鈥檚 property, PG&E crews are cutting down four dead Ponderosa pine trees that threaten to take down power lines.
鈥淭hree months ago we were out here and these trees were not dead and now they are," says Jeff Mussel, vegetation program manager for PG&E. "So the amount of time that鈥檚 it鈥檚 taken for the trees to go from a healthy green appearance to ultimately dead is extremely rapid,鈥� he says.
Mussell says watching the hillsides turn brown is devastating to witness.
Bridget Fithian with the Sierra Foothill Conservancy agrees. She says if this continues there will be no conifers left.
鈥淚t鈥檚 really, it鈥檚 like a freight train basically moving through the whole Sierra and in our lifetime we鈥檙e probably going to see a dramatic conversion of this landscape.鈥�
Fithian says the Sierra could be transformed into a landscape that mirrors Southern California. All Al Anderson can do is watch.
鈥淓motionally it鈥檚 pretty difficult. This was my pride and joy. And to sit here and watch it get destroyed by a little bug is hard to take,鈥� says Anderson.
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