Jeffrey pine trees killed by the Jeffrey Pine Beetle – Little Valley, Near Reno, NV 1998
What killed the trees
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What killed the trees? The Sierra Madres 100+ million trees and counting NOVEMBER 21, 2016
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Transcript of What killed the trees
![Page 1: What killed the trees](https://reader034.fdocuments.net/reader034/viewer/2022052418/58876c521a28ab22358b5853/html5/thumbnails/1.jpg)
What killedthe trees?The Sierra Madres100+ million trees and counting
NOVEMBER 21, 2016
![Page 2: What killed the trees](https://reader034.fdocuments.net/reader034/viewer/2022052418/58876c521a28ab22358b5853/html5/thumbnails/2.jpg)
TEMPERATURE
THE PROBLEM IS COMPLEX
BARK BEETLESDROUGHT
![Page 3: What killed the trees](https://reader034.fdocuments.net/reader034/viewer/2022052418/58876c521a28ab22358b5853/html5/thumbnails/3.jpg)
DroughtClick here to check the Drought Monitor
Pines make less resin
Increased susceptibility to disease/infestation
Increased fire risk
SUSTAINED LACK OF WATER