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- Topa, M.A.; Vanderklein, D.W.; Corbin, A.
- Plant, cell and environment 2001 v.24 no.7 pp. 663-677
- canopy; sugars; light intensity; ozone; starch; biomass production; diurnal variation; seasonal variation; abiotic stress; chemical constituents of plants; photosynthesis; Acer saccharum; dry matter partitioning; stomata; prediction; New York
- ... The long-term interactive effects of ozone and light on whole-tree carbon balance of sugar maple (Acer saccharum Marsh.) seedlings were examined, with an emphasis on carbon acquisition, foliar partitioning into starch and soluble sugars, and allocation to growth. Sugar maple seedlings were fumigated with ambient, 1.7 x ambient and 3.0 x ambient ozone in open-top chambers for 3 years under low and ...
- Williams, M.; Bond, B.J.; Ryan, M.G.
- Plant, cell and environment 2001 v.24 no.7 pp. 679-690
- simulation models; soil water content; tree age; sap flow; height; Pinus ponderosa; transpiration; sap; water stress; drought; length; leaf water potential; diurnal variation; seasonal variation; Oregon
- ... Relationships between tree size and physiological processes such as transpiration may have important implications for plant and ecosystem function, but as yet are poorly understood. We used a process-based model of the soil-plant atmosphere continuum to investigate patterns of whole-tree sap flow in ponderosa pine trees of different size and age (36 m and approximately 250 years versus 13 m and 10 ...