Growing stock volume: ~2.66B m^3
Annual volume increment: 103M m^3
Approximate number of trees: 20B
Implied average tree volume: ~0.1275 m^3
Volume of 250K trees: 250K x 0.1275 m^3 ~ 32K m^3
Time for remaining trees to grow that volume back: 32K m^3 / 103M m^3/year ~ 0.00031 years ~ 2.7 hours
