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Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
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Engineering carbon sequestration on arid lands.

Heribert Hirt1, Hassan Boukcim2, Marc Ducousso3

  • 1Darwin21 Desert Initiative, Plant Science Program, King Abdullah University of Science and Technology, 23955 Thuwal, Kingdom of Saudi Arabia.

Trends in Plant Science
|September 23, 2023
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Summary
This summary is machine-generated.

Arid lands can store carbon long-term to combat global warming. Engineering soil, plants, and microbes with specific species can enhance this carbon sequestration globally.

Keywords:
arid soilscarbon sequestrationclimate mitigationoxalogenic plantsoxalotrophic microbes

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Area of Science:

  • Environmental science
  • Soil science
  • Microbiology

Background:

  • Global warming necessitates effective carbon (C) storage strategies.
  • Arid lands represent a vast, underutilized terrestrial surface area.
  • Current agricultural practices do not leverage arid lands for significant C sequestration.

Purpose of the Study:

  • To explore the potential of arid lands for large-scale carbon sequestration.
  • To propose a novel approach for enhancing carbon storage in non-agricultural arid regions.
  • To investigate the role of soil-plant-microbiome interactions in C sequestration.

Main Methods:

  • Focus on soil-plant-microbiome engineering.
  • Utilizing oxalogenic plants for enhanced carbon fixation.
  • Employing oxalotrophic microbes to stabilize soil carbon.

Main Results:

  • Arid lands offer significant potential for long-term carbon storage.
  • Soil-plant-microbiome engineering can facilitate global-scale carbon sequestration.
  • The proposed method integrates biological solutions for climate change mitigation.

Conclusions:

  • Engineering arid land ecosystems is a viable strategy for climate change mitigation.
  • Oxalogenic plants and oxalotrophic microbes are key components for effective C sequestration.
  • This approach holds promise for global carbon management and reducing global warming effects.