Study: Replanting Same Trees Cannot Replace Burned Forests — VOA Learning English
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Camille Stevens-Rumann recently sat on the ground and measured small trees to see how much they had grown in seven months.
She found they had grown five to 10 centimeters. Her team had planted several different kinds of trees, known as evergreens, two years ago in an area of the Rocky Mountains in Colorado, which had burned in a fire in 2020.
Stevens-Rumann and other researchers want to learn the relationship between tree growth and elevation.
Researchers say there are not enough small trees or seeds from living trees to replace burned trees. Even if there were enough, they say the U.S. does not have the workers to plant and care for them.
The Forest Service said the biggest delays they meet…
Торкнись будь-якого слова — переклад з’явиться одразу, а слово ляже в твою добірку разом із реченням.