Carbon metabolism of the terrestrial biosphere: a multitechnique approach for improved understanding
Document Type: Journal Article
Author(s): J. G. Canadell; H. A. Mooney; Dennis D. Baldocchi; J. A. Berry; J. R. Ehleringer; C. B. Field; S. T. Gower; D. Y. Hollinger; J. E. Hunt; R. B. Jackson; S. W. Running; G. R. Shaver; W. Steffen; S. E. Trumbore; R. Valentini; B. Y. Bond
Publication Year: 2000

Cataloging Information

  • Africa
  • agriculture
  • air quality
  • Asia
  • biomass
  • carbon
  • climate change
  • ecosystem dynamics
  • Europe
  • heat
  • heat effects
  • remote sensing
  • sampling
  • slash and burn
  • South America
  • temperature
  • wildfires
Record Maintained By:
Record Last Modified: June 29, 2020
FRAMES Record Number: 37750
Tall Timbers Record Number: 12268
TTRS Location Status: In-file
TTRS Call Number: Journals - E
TTRS Abstract Status: Fair use, Okay, Reproduced by permission

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Understanding terrestrial carbon metabolism is critical because terrestrial ecosystems play a major role in the global carbon cycle. Furthermore, humans have severely disrupted the carbon cycle in ways that will alter the climate system and directly affect terrestrial metabolism. Changes in terrestrial metabolism may well be as important an indicator of global change as the changing temperature signal. Improving our understanding of the carbon cycle at various spatial and temporal scales will require the integration of multiple, complementary and independent methods that are used by different research communities. Tools such as air sampling networks, inverse numberical methods, and satellite data (top-down approaches) allow us to study the strength and location of the global- and continental-scale carbon sources and sinks. Bottom-up studies provide estimates of carbon fluxes at finer spatial scales and examine the mechanisms that control fluxes at the ecosystem, landscape, and regional scales. Bottom-up approaches include comparative and process studies (for example, ecosystem manipulative experiments) that provide the necessary mechanistic information to develop and validate terrestrial biospheric models. An iteration and reiteration of top-down and bottom-up approaches will be necessary to help constrain measurements at various scales. We propose a major international effort to coorcinate and lead research programs of global scope of the carbon cycle. From the text...'Biomass burning, which includes both wildfires and burning after harvest for land clearing, contributes as much as 40% of the total global pyrogenic carbon emissions (Mack and others 1996). A biomass burning inventory has been initiated by the National Aeronautics and Space Administration/Distributed Active Archive Center that will provide the number of fires and hectares burned worldwide from salellite information (Sproles 1996).' © Springer-Verlag New York Inc. Abstract reproduced by permission.

Online Link(s):
Canadell, J. G. et al. 2000. Carbon metabolism of the terrestrial biosphere: a multitechnique approach for improved understanding. Ecosystems, v. 3, no. 2, p. 115-130.