Growth and Chemical Responses to CO2 Enrichment - Virginia Pine (Pinus Virginiana Mill.), CDIAC NDP-009Entry ID: CDIAC_NDP9
Abstract: Growth and chemical responses of Virginia pine grown in open-top growth
chambers at elevated CO2 concentrations (+0, +75, +150, +300, +600 ppmv) were
evaluated over a four-month period. The seedlings were grown in
nutrient-deficient (not nutrient-limited) sandy loam top soil. Plant dry
weight, height, and stem diameter were measured before and following exposure
to elevated CO2 concentrations. ... Chemical analyses were performed on leaf,
stem, and root tissues as well as leachate before and after exposure. Chemical
parameters measured include N, P, K, Ca, Mg, Mn, Fe, Al, B, Cu, Zn, Sr, and Ba.
Soil organic matter, soil chemicals (P, K, Ca, Mg, nitrate, ammonium, soluble
salts) and pH were measured on six unleached pots.
The wide distribution and long life of forest vegetation increases the
importance of knowing how these plants might respond to a changing atmosphere.
Changes in forest productivity - whether caused by CO2-induced climate change
or direct action of the CO2 in photosynthesis - could have important
implications in forest ecology, forest economics, and forest management. Any
changes in nutrient relationships in plants growing on nutrient deficient soils
as a result of elevated atmospheric CO2 levels could provide valuable insights
into the potential response of forests to the global increase in atmospheric
CO2. Results obtained from this study suggest that soil-plant systems may
exhibit increased nutrient and chemical retention at elevated atmospheric CO2.
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Start Date: 1982-06-28Stop Date: 1982-10-29
BIOSPHERE > VEGETATION > BIOMASS
BIOSPHERE > VEGETATION > CANOPY CHARACTERISTICS
BIOSPHERE > VEGETATION > CARBON > CO2 ENRICHMENT
BIOSPHERE > VEGETATION > LEAF CHARACTERISTICS
BIOSPHERE > VEGETATION > NITROGEN
BIOSPHERE > VEGETATION > NUTRIENTS
BIOSPHERE > VEGETATION > PHOSPHORUS
BIOSPHERE > VEGETATION > PLANT CHARACTERISTICS
LAND SURFACE > SOILS > ORGANIC MATTER
LAND SURFACE > SOILS > SOIL CHEMISTRY
ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > CARBON DIOXIDE
BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > BIOGEOCHEMICAL CYCLES
BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > NUTRIENT CYCLING
BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > PHOTOSYNTHESIS
BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > BIOMASS DYNAMICS
Distribution Media: CD-ROM
Distribution Media: on-line (FTP)
Phone: (615) 574-7357
Environmental Sciences Division Oak Ridge National Laboratory
City: Oak Ridge
Province or State: Tennessee
Postal Code: 37831
Luxmoore, R.J., 1981: 'CO2 and Phytomass,' Bioscience, 31:626.
Luxmoore, R.J., E.G. O'Neill, J.M. Ells, and H.H. Rogers, 1986:
'Nutrient-Uptake and Growth Responses of Virginia Pine to Elevated Atmospheric
CO2.' J. Environ. Qual.
Rogers, H.H., W.W. Heck, and A.S. Heagle, 1983: 'A field technique for
the Study of plant responses to elevated carbon dioxide
concentrations.' Air Pollution Control Association Journal, 33:42-44.
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Last DIF Revision Date: 2005-08-09