The net annual primary productivity (NPP) of a particular wetland ecosystem is found to be 10,000 kcal/m2
per year. If the gross primary productivity (GPP) by the aquatic producers is 15,000 kcal/m2 per year, what is
the estimated respiration for this ecosystem, in kcal/m2 per year?
A) .66
B) 1.5
C) 10,000
D) 25,000
E) None of these are correct