Title: The fate of carbon utilized by the subterranean termite Reticulitermes flavipes

Journal Article · · Ecosphere
DOI: https://doi.org/10.1002/ecs2.3872 · OSTI ID:1834982
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3];  [1]
  1. Department of Entomology University of Georgia Athens Georgia 30602 USA
  2. City of New Orleans Mosquito, Termite and Rodent Control Board New Orleans Louisiana 70122 USA
  3. Center for Forested Wetlands Research USDA Forest Service Cordesville South Carolina USA

Abstract Subterranean termites are ecosystem engineers that modulate the flow of carbon from dead wood to the atmosphere and soil, yet their contributions to the latter pool are largely unaccounted for in carbon cycling models. The fate of C from wood utilized by Reticulitermes flavipes (Kollar) was determined using a reductionist design in a closed system with δ 13 C labeled wood as a stable isotope tracer. The percentage of wood‐based carbon in termite respiratory gases, tissues, and organic deposits (frass and construction materials) was measured for five colonies to budget wood‐C mass distributed into metabolic and behavioral pathways during a 160‐h incubation period. We found that termites emitted 42% of the C from wood as gas (largely as carbon dioxide), returned 40% to the environment as organic deposits (frass and construction materials), and retained 18% in their tissues (whole alimentary tracts and de‐gutted bodies). Our findings affirm that termites are a source of greenhouse gases but are also ecosystem engineers that return approximately half the C from dead wood as organic deposits into their surrounding environment.

Research Organization:
University of Georgia, Athens, GA (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC)
Grant/Contract Number:
SC0016235
OSTI ID:
1834982
Journal Information:
Ecosphere, Journal Name: Ecosphere Journal Issue: 12 Vol. 12; ISSN 2150-8925
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
United States
Language:
English

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