Critical transition in critical zone of intensively managed landscapes

Praveen Kumar, Phong V.V. Le, A. N.Thanos Papanicolaou, Bruce L. Rhoads, Alison M. Anders, Andrew Stumpf, Christopher G. Wilson, E. Arthur Bettis, Neal Blair, Adam S. Ward, Timothy Filley, Henry Lin, Laura Keefer, Donald A. Keefer, Yu Feng Lin, Marian Muste, Todd V. Royer, Efi Foufoula-Georgiou, Patrick Belmont

Research output: Contribution to journalArticlepeer-review


Expansion and intensification of managed landscapes for agriculture have resulted in severe unintended global impacts, including degradation of arable land and eutrophication of receiving water bodies. Modern agricultural practices rely on significant direct and indirect human energy inputs through farm machinery and chemical use, respectively, which have created imbalances between increased rates of biogeochemical processes related to production and background rates of natural processes. We articulate how these imbalances have cascaded through the deep inter-dependencies between carbon, soil, water, nutrient and ecological processes, resulting in a critical transition of the critical zone and creating emergent inter-dependencies and co-evolutionary trajectories. Understanding of these novel organizations and function of the critical zone is vital for developing sustainable agricultural practices and environmental stewardship.

Original languageEnglish (US)
Pages (from-to)10-19
Number of pages10
StatePublished - Jun 2018


  • Agricultural intensification
  • Anthropogenic modification
  • Complex systems
  • Critical transition
  • Critical zone

ASJC Scopus subject areas

  • Global and Planetary Change
  • Ecology
  • Earth and Planetary Sciences (miscellaneous)


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