To gather samples from the Giant Forest trees, the researchers were allowed to collect cross-sections of downed logs and standing dead trees, he said.

史威特南说，为了获取巨木林中树木的年轮样本，研究人员被允许可以收集倒下树木或枯立木的横截面。

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Firewood and Cleanup: Standing trees, dead or alive, are home to birds and insects, so leave them intact.

生火取材和过后清理：直立的树木，不论生还是死，都是鸟类和昆虫的家，所以不要去损害它。

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Many of the dead trees are still standing, and can serve as ladder fuels that transform relatively cool surface fires into hot, fast-moving crown fires that leap from treetop to treetop.

FORBES: Forests and Climate Change: a Combustible Combination