Search Results - "Pallardy, S G"
-
1
Drought-influenced mortality of tree species with different predawn leaf water dynamics in a decade-long study of a central US forest
Published in Biogeosciences (18-05-2015)“…Using decade-long continuous observations of tree mortality and predawn leaf water potential (ψpd) at the Missouri Ozark AmeriFlux (MOFLUX) site, we studied…”
Get full text
Journal Article -
2
Mercury Distribution Across 14 U.S. Forests. Part I: Spatial Patterns of Concentrations in Biomass, Litter, and Soils
Published in Environmental science & technology (01-05-2011)“…Results from a systematic investigation of mercury (Hg) concentrations across 14 forest sites in the United States show highest concentrations in litter…”
Get full text
Journal Article -
3
Acclimation and Adaptive Responses of Woody Plants to Environmental Stresses
Published in The Botanical review (01-04-2002)“…The predominant emphasis on harmful effects of environmental stresses on growth of woody plants has obscured some very beneficial effects of such stresses…”
Get full text
Journal Article -
4
An ecosystem-scale perspective of the net land methanol flux: synthesis of micrometeorological flux measurements
Published in Atmospheric chemistry and physics (09-07-2015)“…Methanol is the second most abundant volatile organic compound in the troposphere and plays a significant role in atmospheric chemistry. While there is…”
Get full text
Journal Article Web Resource -
5
Interspecific interactions in temperate agroforestry
Published in Agroforestry systems (01-07-2004)“…The ecological principles that define the competitive and complementary interactions among trees, crops, and fauna in agroforestry systems have received…”
Get full text
Journal Article -
6
Albedo estimates for land surface models and support for a new paradigm based on foliage nitrogen concentration
Published in Global change biology (01-02-2010)“…Vegetation albedo is a critical component of the Earth's climate system, yet efforts to evaluate and improve albedo parameterizations in climate models have…”
Get full text
Journal Article -
7
Drought tolerance, xylem sap abscisic acid and stomatal conductance during soil drying: a comparison of canopy trees of three temperate deciduous angiosperms
Published in Tree physiology (01-07-1998)“…Patterns of water relations, xylem sap abscisic acid concentration ([ABA]) and stomatal aperture were characterized and compared in drought-sensitive black…”
Get full text
Journal Article -
8
Effect of fire on survival and growth of Acer rubrum and Quercus seedlings
Published in Forest ecology and management (14-06-1999)“…Controlled ground fires had a significant effect on survival and growth of 1- to 2-year-old seedlings of Acer rubrum, Quercus rubra and Quercus alba. In…”
Get full text
Journal Article -
9
Quantification of Root Chicoric Acid in Purple Coneflower by Near Infrared Reflectance Spectroscopy
Published in Crop science (01-07-2001)“…Purple coneflower [Echinacea purpurea (L.) Moench] is an increasingly popular crop because of its value in the U.S. botanical industry. At present, there is no…”
Get full text
Journal Article -
10
Drought tolerance, xylem sap abscisic acid and stomatal conductance during soil drying: a comparison of young plants of four temperate deciduous angiosperms
Published in Tree physiology (01-07-1998)“…Patterns of water relations, xylem sap abscisic acid (ABA) concentration ([ABA]) and stomatal aperture were compared in drought-sensitive black walnut (Juglans…”
Get full text
Journal Article -
11
Applying a universal scaling model to vascular allometry in a single-stemmed, monopodially branching deciduous tree (Attim's model)
Published in Tree physiology (2008)“…West, Brown and Enquist (1999a) modeled vascular plants as a continuously branching hierarchical network of connected links (basic structural units) that ends…”
Get full text
Journal Article -
12
Simultaneous determination of the predominant hyperforins and hypericins in St. John's Wort (Hypericum perforatum L.) by liquid chromatography
Published in Journal of AOAC International (01-07-2000)“…Hypericin and hyperforin are believed to be among the active constituents in common St. John's wort (Hypericum perforatum L.). Presently, dietary supplements…”
Get full text
Journal Article -
13
Stomatal and nonstomatal limitations to net photosynthesis in seedlings of woody angiosperms
Published in Plant physiology (Bethesda) (01-08-1992)“…Comparative responses of net photosynthesis (A) to water stress in woody species from a variety of habitats were studied to assess the relationship between…”
Get full text
Journal Article -
14
Drought stress, plant water status, and floral trait expression in fireweed, Epilobium angustifolium (Onagraceae)
Published in American journal of botany (01-03-2001)“…In a controlled environment, we artificially induced drought during flowering of Epilobium angustifolium, an animal-pollinated plant. Leaf water potential (ψ1)…”
Get full text
Journal Article -
15
Changes in forest composition in central Missouri: 1968-1982
Published in The American midland naturalist (01-10-1988)“…Remeasurement of tree and sapling vegetation on permanent plots established at the Ashland Wildlife Research Area in the river hills of central Missouri…”
Get full text
Journal Article -
16
Response of gas exchange to water stress in seedlings of woody angiosperms
Published in Tree physiology (1991)“…Responses of net photosynthesis (A), leaf conductance to water vapor (g(wv)) and instantaneous water use efficiency (WUE) to decreasing leaf and soil water…”
Get full text
Journal Article -
17
Effects of long-term annual and periodic burning on tree survival and growth in a Missouri Ozark oak-hickory forest
Published in Forest ecology and management (01-04-1996)“…In a Missouri Ozark Mountains oak-hickory forest, long-term annual and periodic burning regimes decreased survival of Carya and Erythrobalanus oak species, but…”
Get full text
Journal Article -
18
Whole leaf carbon exchange characteristics of phosphate deficient soybeans (Glycine max L.)
Published in Plant physiology (Bethesda) (01-11-1989)“…Low phosphate nutrition results in increased chlorophyll fluorescence, reduced photosynthetic rate, accumulation of starch and sucrose in leaves, and low crop…”
Get full text
Journal Article -
19
Effects of soil and stem base heating on survival, resprouting and gas exchange of Acer and Quercus seedlings
Published in Tree physiology (01-06-1996)“…Acer rubrum L., A. saccharum Marsh., Quercus alba L. and Q. rubra L. seedlings subjected to soil and stem base heat treatments showed rapid declines in rates…”
Get full text
Journal Article -
20
Resource competition across the crop-tree interface in a maize-silver maple temperate alley cropping stand in Missouri
Published in Agroforestry systems (01-01-2001)“…In order to improve the management of temperate alley cropping, it is important to study the growth and physiological responses of plants arising from…”
Get full text
Journal Article