Search Results - "Black, R. Alan"

Water Content, Hydraulic Conductivity, and Ice Formation in Winter Stems of Pinus contorta: A TDR Case Study by Sparks, Jed P., Campbell, Gaylon S., Black, R. Alan

“…Stem water content, ice fraction, and losses in xylem conductivity were monitored from November 1996 to October 1997 in an even-aged stand of Pinus contorta…”
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effect of shading on photosynthesis, growth, and regrowth following defoliation for Bromus tectorum by Pierson, E.A, Mack, R.N, Black, R.A

“…The effect of full sunlight, 60%, or 90% attenuated light on photosynthetic rate, growth, leaf morphology, dry weight allocation patterns, phenology, and…”
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Ecophysiology of introduced Pennisetum setaceum on Hawaii: the role of phenotypic plasticity by Williams, David G., Mack, Richard N., Black, R. Alan

“…The C"4 African grass, Pennisetum setaceum (fountaingrass), has a greater altitudinal distribution than any other grass on the island of Hawaii. Clones of P…”
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Reproductive Ecology of Picea Mariana (Mill.) BSP., at Tree Line Near Inuvik, Northwest Territories, Canada by Black, R. Alan, Bliss, L. C.

“…Picea mariana predominates in even-aged stands of fire origin at the forest-tundra ecotone near Inuvik, Northwest Territories, Canada. Growth rates of P…”
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Nitrogenase Activity, Nitrogen Fixation, and Nitrogen Inputs by Lupines at Mount St. Helens by Halvorson, Jonathan J., Franz, Eldon H., Smith, Jeffrey L., Black, R. Alan

“…We measured the timing and magnitude of nitrogenase activity and N₂ fixation by lupines colonizing early successional volcanic sites at Mount St. Helens…”
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Mount St. Helens ash: recreating its effects on the steppe environment and ecophysiology by Black, R. Alan, Mack, Richard N.

“…The 18 May 1980 ash fall from Mount St. Helens was experimentally reproduced in May 1982 by applying silt-sized ash to a stand of the Artemisia…”
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Growth, photosynthesis, and resource investment for vegetative and reproductive modules of Artemisia tridentata by Evans, R. D., Black, R. Alan

“…Growth of vegetative and reproductive structures in Artemisia tridentata is temporally separated during the growing season; vegetative growth occurs during…”
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Winter Hydraulic Conductivity and Xylem Cavitation in Coniferous Trees from Upper and Lower Treeline by Sparks, Jed P., Black, R. Alan

“…Current hypotheses suggest xylem conduits of conifers cavitate as a result of low xylem water potentials during the growing season and as the combined result…”
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Nutrient uptake from enriched soil microsites by three Great Basin perennials by Black, R. Alan, Richards, James H., Manwaring, John H.

“…Relative nutrient uptakes efficiency was measured using a dual-radiotracer (32P and 33P) technique for Agropyron desertorum, Artemisia tridentata, and…”
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Regulation of water loss in populations of Populus trichocarpa: the role of stomatal control in preventing xylem cavitation by Sparks, J.P, Black, R.A

“…Variations in resistance to drought-induced xylem cavitation, xylem air-entry points, stomatal behavior, and hydraulic conductivity were measured in four…”
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Water relations of Quercus palustris: field measurements on an experimentally flooded stand [xylem pressure potential, photosynthetically active radiation] by Black, R.A

“…Field measurements of water relations were used to examine the response of mature Quercus palustris (20 m tall), a flood tolerant tree, to experimental…”
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Winter Hydraulic Conductivity and Xylem Cavitation in Coniferous Trees from Upper and Lower Treeline by Sparks, Jed P., Black, R. Alan

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Cold Hardiness in Two Interspecific Populus Hybrids by McCamant, Thaddeus, Black, R. Alan

“…Cold hardiness was studied in two interspecific Populus hybrids ( P. trichocarpa × P. deltoides , and P. trichocarpa × P. maxomowiscii ), using laboratory…”
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Tsuga canadensis in Ohio: synecological and phytogeographical relationships by Black, R.A, Mack, R.N

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Avian Habitat Associations in Riparian Zones of Idaho's Centennial Mountains by Douglas, David C., Ratti, John T., Black, R. Alan, Alldredge, J. Richard

“…Patterns of bird distribution within riparian habitat of the Centennial Mountains, Idaho, were investigated during the summers of 1983-1984. Avian habitat use,…”
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Society Business by Evans, Francis C., McIntosh, Robert P., Magnuson, John J., Patten, Duncan T., Reiners, William A., Risser, Paul G., Miller, Lee N., Covich, Alan, Dunn, Lloyd, Franz, Eldon, Lang, Gerald, Looda, Svat̆a, McIntosh, Bob, Phillips, Donald, Tracy, Dick, Shure, Donald, Cummins, Ken, Kerfoot, W. C., Langenheim, Jean, Birk, Elaine M., Cocking, W. Dean, Gosselink, James G., Nabholz, J. Vincent, Solomon, Allen M., Burgess, Robert L., Good, Ralph E., Taub, Frieda B., Wali, Mohan K., Grover, Herbert D., Norse, Elliott A., Neuhold, John M., Johnston, David W., Hall, Charles A., Stein, Roy A., Fritts, Harold C., McNab, Brian K., Vankat, John L., Peet, Robert K., Black, R. Alan, Buffington, John D.

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