ماهواره ها دو سال قبل از آشکار شدن مرگ سوسک پوست تنش جنگل را شناسایی می کنند

Satellites spot forest stress two years before bark beetle die-offs become apparent

Satellite measurements detected declining photosynthetic activity in Western U.S. forests two years before bark beetle mortality appeared in aerial detection surveys, according to new University of Utah-led research.