Chemical weathering and chemical denudation dynamics through ecosystem development and disturbance

  title={Chemical weathering and chemical denudation dynamics through ecosystem development and disturbance},
  author={Zsuzsanna Balogh-Brunstad and C. Kent Keller and Bernard T. Bormann and Rachel O’Brien and Deane Wang and Gary J. Hawley},
[1] Mineral weathering and chemical denudation of terrestrial environments are understood by both geochemists and ecologists to be affected by rooted plant growth. We used unique 20-year ‘‘sandbox’’ experiments to test the predictions of both disciplines regarding the influence of tree growth and harvest on chemical weathering and denudation of Ca, Mg and K. Results showed 3 temporal phases: 1) weatheringdominated rapid uptake of mineral nutrients with retention in trees and soil, and low… CONTINUE READING


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