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。
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。
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。
应用推荐