Definition of "biogeochemistry" [biogeochemistry]

• The study of the relationship between the geochemistry of a region and the animal and plant life in that region. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Couplings between changes in the climate systems and biogeochemistry, meaning that the increase is directly attributable to human activity and can be conclusively proven as such."
• "He has studied long-term changes in nitrogen balance in village ecosystems of China's Tai Lake Region, and changes in the biogeochemistry of carbon, nitrogen and phosphorus across the densely populated agricultural village landscapes of China."
• "With a background ranging from biogeochemistry to paleoceanography, Naqvi has carried out extensive research on the biogeochemistry of oxygen-deficient marine environments, especially denitrification and nitrous oxide cycling."