Cited by 70Bioenergy crop production and managementForest Biomass Utilization and ManagementBioeconomy and Sustainability Development

Global bioenergy capacity as constrained by observed biospheric productivity rates

Smith, W. Kolby, Zhao, Maosheng, Running, Steven W.·2012·BioScience

Abstract

Virtually all global energy forecasts include an expectation that bioenergy will be a substantial future energy source. However, the scale of this potential resource remains poorly understood because of uncertain land availability and yield expectations. Here, we used climate-constrained, satellite-derived net primary productivity data computed for 110 million square kilometers of terrestrial plant production as an upper-envelope constraint on primary bioenergy potential (PBP). We estimated the maximum PBP to realistically range from 12% to 35% of 2009 global primary energy consumption, with yield potential ranging from 6.6 to 18.8 megajoules per square meter per year—roughly four times lower than previous evaluations. Our results highlight many recent bioenergy evaluations as overoptimistic, which we attribute to a failure to adequately apply biophysical constraints in estimates of yield potential. We do not advocate bioenergy production at the levels reported in this analysis; instead, we simply report the ceiling for PBP based on current planetary productivity.

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Crossref · 10.1525/bio.2012.62.10.11

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  • Given biospheric constraints, it seems impossible that bioenergy could physically provide more than 250 EJ/year in 2050, substantially below many published bioenergy projections.

    “Given the biospheric constraints outlined above, it seems impossible that bioenergy could physically provide more than 250 EJ/year in 2050 [9,65,66], substantially below many published bioenergy projections.”

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Authors
Smith, W. K., Zhao, M., & Running, S. W.
Venue
BioScience
Published
2012-10
Volume
62
Issue
10
Pages
911-922
ISSN
  • 0006-3568 (ISSN-L)
  • 1525-3244
OpenAlex
W2148495614
Cited by
70
References
46
Citations by year
2026: 1 · 2025: 3 · 2024: 1 · 2023: 3 · 2022: 1 · 2021: 2 · 2020: 2 · 2019: 9 · 2018: 9 · 2017: 5 · 2016: 6 · 2015: 4 · 2014: 16 · 2013: 6 · 2012: 2
FWCI
18.12
Type
journal article
Language
en
Open access
closed
Locations
  • BioScience (publishedVersion)
  • The Mathematics Enthusiast (submittedVersion)
  • BioOne Complete (BioOne) (submittedVersion)
Funders
  • National Aeronautics and Space Administration (NNH09ZDA001N)
  • Energy Biosciences Institute
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Bioenergy crop production and management
  • Physical Sciences › Engineering › Mechanics of Materials › Forest Biomass Utilization and Management
  • Life Sciences › Agricultural and Biological Sciences › General Agricultural and Biological Sciences › Bioeconomy and Sustainability Development
Keywords
bioenergy potential, net primary productivity, yield potential, biophysical constraints, land availability, energy resource assessment, satellite remote sensing, global energy consumption

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