Boreal forests are likely to undergo irregular and large-scale losses of living trees because of the impacts of projected climate change.
(Boreal forests; are; likely to undergo irregular and large-scale losses of living trees; because of the impacts of projected climate change) (Boreal forests; to undergo; irregular and large-scale losses of living trees)
Boreal forests Boreal forests
are to undergo
likely to undergo irregular and large-scale losses of living trees because of the impacts of projected climate change
irregular and large-scale losses of living trees