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.