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IMPACTS OF CO2
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Global Climate Change DigestArchives of the
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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