Large-scale satellite data has shown that while large trees expand their crown during the dry season, small trees drop leaves – possibly due to limited light availability in the shaded understory. A ...
Smithsonian researchers studied 67 forest plots in a section of the Blue Ridge Mountains. They found that hemlock woolly adelgid had decimated hemlock populations. Alan Tepley, Smithsonian ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback