The relationship between mean annual precipitation (MAP)and aboveground net primary productivity (ANPP)is ANPP = 0.50 × (MAP)+ (70)in mm MAP and (g/m2/yr)for ANPP in grassland systems.If precipitation is currently 1000 mm and MAP increases by 25 percent,then ANPP will be approximately

Question

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If MAP increases by 25%, the new MAP is 1250 mm. Using the equation ANPP = 0.50 × (MAP) + 70, ANPP = 0.50 × 1250 + 70 = 625 + 70 = 695 g/m2/yr.

The Relationship Between Mean Annual Precipitation (MAP)and Aboveground Net Primary