The ponderosa pine ecosystem and environmental stress: past, present and future.
Waring
R H
RH
College of Forestry, Oregon State University, Corvallis, OR 97330, USA.
Law
B E
BE
D017753:Ecosystem; D004777:Environment; D015205:Northwestern United States; D015206:Southwestern United States; D014197:Trees / Q000502:physiology