Some experts and politicians have blamed bad land management, not doing enough to remove dense forest vegetation which helps fires spread more easily.

一些专家和政治家则归因于糟糕的土地管理，清除密集的森林植被工作没有做到位，就使得火灾更容易蔓延。

And there are some steps people can take from controlled burning of forest vegetation to the removal of other trees and brush to protect the mature sequoias of the Sierra Nevada.

人们可以采取一些措施，从控制燃烧森林植被，到清除其他树木和灌木，以保护内华达山脉的成熟红杉树。