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Global Climate Change Digest
A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999
FROM VOLUME 5, NUMBER 8, AUGUST 1992
REPORTS...
IMPACTS OF CO2
Item #d92aug97
 Modeling the Response of Plants and Ecosystems to Elevated CO2 and
Climate Change (DOE/ER-60490T-H1), J.F. Reynolds (Dept. Bot., Duke Univ.,
Durham NC 27706), D.W. Hilbert et al., 178 pp., Mar. 1992. Prepared for Off.
Energy Res., U.S. Dept. Energy. Request TR054 (no charge) from Carbon Dioxide
Info. Analysis Ctr., U.S. DOE, Oak Ridge Nat. Lab., Oak Ridge TN 37831
(615-574-0390).
A general ecosystem model is being developed to investigate responses of
terrestrial ecosystems to changes in the global environment over the next
century by simultaneously developing models at several hierarchical levels from
leaf to ecosystem. This report covers: scaling ecophysiology from the plant to
the ecosystem; modeling the effects of global change on leaf-level processes;
modeling the plant canopy; modeling growth and allocation; models of competition
in species mixtures based on scaling of single plant responses; ecosystem
modeling.
Item #d92aug98
Rangeland-Plant Response to Elevated CO2--Closed Chamber System (Progress
Report), D. Nie (Dept. Agron., Kansas State Univ., Manhattan KS 66506), H. He et
al., approx. 150 pp., 1991. Prepared for US DOE CO2 Research Program. Contact
author.
Gives 1990 results for studies of tallgrass prairie for work begun in 1989
using closed-top chambers, which received either ambient-level or two times
ambient-level CO2, and were irrigated to maintain either high- or low-level
water in the soil. Reports on the photosynthetic rate of prairie grasses under
the various scenarios.
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