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

September 3, 2026 · 10:10 pm 1 sources

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• Satellites spot forest stress two years before bark beetle die-offs become apparent
  Phys.org · September 3, 2026 22:10
  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.