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史威特南

网络Dale Sweetnam

史威特南

史威特南

史威特南

Dale Sweetnam

...ocial Media Division)的戴尔‧史威特南(Dale Sweetnam)中士表示：「你真的想让每个人都知道你家，或是你儿女学校的确切 …

1

The health of the giant sequoia forests seems to require those frequent , low-intensity fires , Swetnam said .

史威特南说，似乎巨型水杉木的健康生长需要频繁的低强度火灾。

3

He and his colleagues commend the National Park Service for its recent work reintroducing fire into the giant sequoia groves.

史威特南及其同事对国家公园管理局最近重新向巨型水杉林引入火灾的工作颇多赞誉。

4

"What 's not so well known about the Medieval Warm Period is how warm it was in the western U. S. , " Swetnam said.

“现在对中世纪温暖期还不甚明了的是彼时美国西部地区的温暖程度，”史威特南说。

5

The new research extends Swetnam's previous tree-ring fire history for giant sequoias another 1, 000 years into the past .

这项新研究将史威特南之前有关巨型水杉年轮记录火灾历史的研究再次向前推进了 1000 年。

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