Search Results - "DEHAYES, D. H"

Acidic mist reduces foliar membrane-associated calcium and impairs stomatal responsiveness in red spruce by Borer, C.H, Schaberg, P.G, DeHayes, D.H

“…Acidic deposition can leach essential pools of calcium (Ca) directly from plant foliage. Because of the central role of Ca in environmental signal…”
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Acid mist and soil Ca and Al alter the mineral nutrition and physiology of red spruce by Schaberg, P. G., Dehayes, D. H., Hawley, G. J., Strimbeck, G. R., Cumming, J. R., Murakami, P. F., Borer, C. H.

“…We examined the effects and potential interactions of acid mist and soil solution Ca and Al treatments on foliar cation concentrations, membrane-associated Ca…”
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Physiological implications of seasonal variation in membrane-associated calcium in red spruce mesophyll cells by DeHayes, D.H, Schaberg, P.G, Hawley, G.J, Borer, C.H, Cumming, J.R, Strimbeck, G.R

“…We examined the pattern of seasonal variation in total foliar calcium (Ca) pools and plasma membrane-associated Ca (mCa) in mesophyll cells of current-year and…”
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Rapid freezing injury in red spruce: seasonal changes in sensitivity and effects of temperature range by Strimbeck, G. R., DeHayes, D. H.

“…On calm, cold days in winter, sun-exposed needles of red spruce (Picea rubens Sarg.) may warm 10 to 20 degrees C above ambient air temperature, and undergo…”
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Associations of calcium and aluminum with the growth and health of sugar maple trees in Vermont by Schaberg, Paul G., Tilley, James W., Hawley, Gary J., DeHayes, Donald H., Bailey, Scott W.

“…We compared tree growth and crown condition with soil and foliar elemental composition in 14 sugar maple ( Acer saccharum Marsh.) stands in VT, USA, to…”
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The Influence of Elevated Ozone on Freezing Tolerance of Red Spruce Seedlings by Waite, C. E., DeHayes, D. H., Rebbeck, J., Schier, G. A., Johnson, A. H.

“…Laboratory cold-tolerance assessments were conducted over two seasons on red spruce (Picea rubens Sarg.) seedlings fumigated with various concentrations of…”
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Physiological changes in red spruce seedlings during a simulated winter thaw by Schaberg, P G, Shane, J B, Hawley, G J, Strimbeck, G R, DeHayes, D H, Cali, P F, Donnelly, J R

“…We evaluated net photosynthesis, respiration, leaf conductance, xylem pressure potential (XPP) and cold hardiness in red spruce (Picea rubens Sarg.) seedlings…”
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Accretion, partitioning and sequestration of calcium and aluminum in red spruce foliage: implications for tree health by Borer, C.H, Schaberg, P.G, DeHayes, D.H, Hawley, G.J

“…Calcium (Ca) is an essential macronutrient in plants and is an important component of many cellular structures and physiological processes as well as overall…”
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Anthropogenic alterations of genetic diversity within tree populations: Implications for forest ecosystem resilience by Schaberg, Paul G., DeHayes, Donald H., Hawley, Gary J., Nijensohn, Samuel E.

“…Healthy forests provide many of the essential ecosystem services upon which all life depends. Genetic diversity is an essential component of long-term forest…”
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Red and Black Spruce Introgression in Montane Ecosystems in New England and New York by Hawley, G.

“…Isozyme analysis was used to examine genetic relationships between red spruce (Picea rubens) and black spruce (P. mariana). Baseline genetic differences…”
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Acid Rain Impacts on Calcium Nutrition and Forest Health by DeHayes, Donald H, Schaberg, Paul G, Hawley, Gary J, Strimbeck, G. Richard

“…It has been documented that anthropogenic changes in precipitation chemistry and acidity have occured over the past several decades, seriously impacting forest…”
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Relative quantification of membrane-associated calcium in red spruce mesophyll cells by BORER, C. H, DEHAYES, D. H, SCHABERG, P, CUMMING, J. R

“…We describe a method for localizing and comparing relative amounts of plasma membrane-associated calcium ions (mCa) in complex tissues and verify the procedure…”
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Genetic implications in the decline of red spruce by DeHayes, D.H. (Vermont Univ., Burlington, VT (USA). School of Natural Resources), Hawley, G.J

“…Despite substantial increases in atmospheric pollution and significant correlations between specific inputs and red spruce (Picea rubens Sarg.) decline at…”
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Acid Rain Impacts on Calcium Nutrition and Forest Health: Alteration of membrane-associated calcium leads to membrane destabilization and foliar injury in red spruce by DeHayes, Donald H., Schaberg, Paul G., Hawley, Gary J., Strimbeck, G. Richard

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Juvenile performance in a range-wide provenance test of Fraxinus pennsylvanica Marsh by Steiner, K.C, Williams, M.W, Dettayes, D.H, Hall, R.B, Eckert, R.T, Bagley, W.T, Lemmien, W.A, Karnosky, D.F, Carter, K.K, Cech, F.C

“…Height growth, winter injury, and incidence of flowering through age six from seed are described for 60 provenances of Fraxinus pennsylvanica planted at ten…”
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Cold Tolerance and Photosystem Function in a Montane Red Spruce Population: Physiological Relationships with Foliar Carbohydrates by Schaberg, P. G., Strimbeck, G. R., Hawley, G. J., Dehayes, D. H., Shane, J. B., Murakami, P. F., Perkins, T. D., Donnelly, J. R., Wong, B. L.

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