February 28, 2007
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Published July 1988 through June 1999
FROM VOLUME 6, NUMBER 3, MARCH 1993
THE CARBON CYCLE: TERRESTRIAL
on the relative roles of inorganic caliche and organic carbon in
carbon storage since the last glacial maximum, Nature, 361(6409),
213-214, Jan. 21, 1993.
"Dynamics of Soil Carbon during Deglaciation of the
Laurentide Ice Sheet," J.W. Harden (USGS, Menlo Pk. CA
94025), E.T. Sundquist et al., Science, 258(5090),
1921-1924, Dec. 18, 1992.
Sequestration of carbon following deglaciation continues
today, but the natural rate of sequestration in soils is small
relative to the rate of anthropogenic CO2 production.
"Tropical Soils Could Dominate the Short-Term Carbon Cycle
Feedbacks to Increased Global Temperatures," Clim. Change, 22(4),
"Carbon Dynamics of Land Use in Great Britain," W.N.
Adger (CSERGE, Univ. E. Anglia, Norwich NR4 7TJ, UK), K. Brown et
al., J. Environ. Mgmt., 36, 117-133, 1992.
Aggregate yearly carbon fluctuations from 20 categories of
land use were calculated by estimating biomass changes and soil
carbon changes for each group, and results compared with an
aggregate land-use balance by estimating carbon fixations and
emissions from agriculture and forestry. Conversion of land to
cultivation leads to medium-term reductions in soil and biomass
carbon; forestry has not fixed large amounts of carbon because
new planting causes loss of previously fixed carbon. Carbon
sequestration is relatively minor compared to emissions from
other sectors of the British economy.
on the carbon budget of European forests, Science, 258(5081),
382-383, Oct. 16, 1992.
"Global Change and the Carbon Balance of Arctic
Ecosystems," G.R. Shaver (Ecosyst. Ctr., Marine Biol. Lab.,
Woods Hole MA 02543), W.D. Billings et al., BioSci., 42(6),
433-441, June 1992.
"Soil Temperature, Nitrogen Mineralization and Carbon
Source-Sink Relationships in Boreal Forests," G.B. Bonan
(NCAR, POB 3000, Boulder CO 80307), K. Van Cleve, Can. J. For.
Res., 22(5), 629-639, May 1992.
Modeling studies highlight the importance of interactions
among net primary production, decomposition, and nitrogen
mineralization in determining the response of ecosystems to
"Implications of Climate Change for Production and
Decomposition in Grasslands and Coniferous Forests," G.
Esser (IIASA, A-2361 Laxenburg, Austria), Ecol. Applic., 2(1),
47-54, Feb. 1992.
Used a geographical information system and a climate-driven
carbon-budget model to investigate climatic limitations of
grassland and coniferous forest.
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