In Hubbard Brook Experimental Forest, the fraction of available solar energy fixed by primary producers is
A) approximately 2%.
B) approximately 15%.
C) approximately 50%.
D) nearly all of it.
E) Primary producers do not fix solar energy.

Question

Quizplus · Accepted Answer

Studies at Hubbard Brook Experimental Forest have shown that approximately 2% of available solar energy is fixed by primary producers through photosynthesis. The rest is reflected or absorbed by other components of the ecosystem, such as the soil or water.

In Hubbard Brook Experimental Forest, the Fraction of Available Solar