Living with locusts: Connecting soil nitrogen, locust outbreaks, livelihoods, and livestock markets

Arianne Cease, James Elser, Eli P. Fenichel, Joleen C. Hadrich, Jon Harrison, Brian E. Robinson

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

Coupled human and natural systems (CHANS) are systems of feedback linking people and ecosystems. A feature of CHANS is that this ecological feedback connects people across time and space. Failing to account for these dynamic links results in intertemporal and spatial externalities, reaping benefits in the present but imposing costs on future and distant people, such as occurs with overgrazing. Recent findings about locust-nutrient dynamics create new opportunities to address spatiodynamic ecosystem externalities and develop new sustainable strategies to understand and manage locust outbreaks. These findings in northeast China demonstrate that excessive livestock grazing promotes locust outbreaks in an unexpected way: by lowering plant nitrogen content due to soil degradation. We use these human-locust-livestock-nutrient interactions in grasslands to illustrate CHANS concepts. Such empirical discoveries provide opportunities to address externalities such as locust outbreaks, but society's ability to act may be limited by preexisting institutional arrangements.

Original languageEnglish (US)
Pages (from-to)551-558
Number of pages8
JournalBioScience
Volume65
Issue number6
DOIs
StatePublished - May 25 2015

Keywords

  • coupled human and natural systems
  • ecosystem externality
  • institutions
  • sustainable agriculture
  • telecoupling

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

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