Sentences with phrase «unmanaged old forests»

Our analyses of longitudinal data from unmanaged old forests in the western United States showed that background (noncatastrophic) mortality rates have increased rapidly in recent decades, with doubling periods ranging from 17 to 29 years among regions.
Our analyses of longitudinal data from unmanaged old forests in the western United States showed that background (noncatastrophic) mortality rates have increased rapidly in recent decades, with doubling periods ranging from 17 to 29 years among regions.

Not exact matches

Most scientists agreed and felt that the old - growth forest should be left largely unmanaged.
Global warming may be the culprit in the waves of tree deaths scientists have observed in the western U.S. in unmanaged, old - growth forests, reported in the latest issue of Science.
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