Three years of herbicide applications by Bormann and Likens to a clear cut forest in the Hubbard Brook Experimental Forest resulted in
A) delayed succession.
B) increased export of calcium.
C) increased import of nitrogen.
D) All of the choices are correct.
E) both delayed succession and increased export of calcium.

Question

Quizplus · Accepted Answer

The three years of herbicide applications by Bormann and Likens to a clear cut forest in the Hubbard Brook Experimental Forest resulted in both delayed succession (as the herbicides suppressed the growth of new vegetation) and increased export of calcium (as the roots of the suppressed vegetation would have otherwise taken up calcium from the soil).

Three Years of Herbicide Applications by Bormann and Likens to a Clear