Search Results - "Rundel, P.W"

Namaqualand, South Africa--an overview of a unique winter-rainfall desert ecosystem by Cowling, R.M, Esler, K.J, Rundel, P.W

“…Namaqualand is a winter-rainfall desert of some 50000 km(2), located in north-western South Africa. For a desert ecosystem, the region is characterized by a…”
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Ecological and ecophysiological patterns in a pre-altiplano shrubland of the Andean Cordillera in northern Chile by Rundel, P.W, Gibson, A.C, Midgley, G.S, Wand, S.J.E, Palma, B, Kleier, C, Lambrinos, J

“…We report on community structural, ecophysiological, phenological, and morphological measurements made on woody plant species in the high elevation…”
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Canopy architecture and PAR absorption of Euphorbia cooperi in the Matobo Hills, Zimbabwe by Rundel, P.W., Esler, K.J., Rundel, T.W.

“…Tree euphorbias share many traits with arborescent cacti in having tall and multi-branched forms of growth which have selective value for maximizing…”
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Diurnal gas exchange characteristics of two stem photosynthesizing legumes in relation to the climate at two contrasting sites in the California desert by Nilsen, E.T., Rundel, P.W., Sharifi, M.R.

“…The diurnal and seasonal patterns of climate, shoot water potential, stem photosynthesis (Pn), stem conductance, and stem intercellular CO2 were measured for…”
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Use of a networked digital camera to estimate net CO2 uptake of a desiccation-tolerant moss by Graham, E.A, Hamilton, M.P, Mishler, B.D, Rundel, P.W, Hansen, M.H

“…Simple visible-light digital cameras offer a potential for expanded forms of plant ecological research. The moss Tortula princeps undergoes changes in…”
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Partitioning of soil water among tree species in a Brazilian Cerrado ecosystem by Jackson, P.C, Meinzer, F.C, Bustamante, M, Goldstein, G, Franco, A, Rundel, P.W, Caldas, L, Igler, E, Causin, F

“…Source water used by woody perennials in a Brazilian savanna (Cerrado) was determined by comparing the stable hydrogen isotope composition (deltaD) of xylem…”
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Atmospheric and hydraulic limitations on transpiration in Brazilian cerrado woody species by Meinzer, F.C, Goldstein, G, Franco, A.C, Bustamante, M, Igler, E, Jackson, P, Caldas, L, Rundel, P.W

“…1. Seasonal regulation of transpiration was studied in four evergreen woody species growing in a Brazilian cerrado (savanna) site with a 5 month dry season. 2…”
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Nutrient changes in two chaparral shrubs [Adenostoma fasciculatum, Ceanothus leucodermis] along a fire-induced age gradient [Sequoia National Park, California] by Rundel, P.W, Parsons, D.J

“…Adenostoma fasciculatum H. & A. and Ceanothus leucodermis Green in chaparral stands of the foothill zone of Sequoia National Park, California, show a rapid…”
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Photosynthesis of cryptobiotic soil crusts in a seasonally inundated system of pans and dunes in the western Mojave Desert, CA: Field studies by Brostoff, William N., Rasoul Sharifi, M., Rundel, Philip W.

“…Cryptobiotic soil crusts form the dominant cover of a unique system of dunes and intermittently inundated pans and playas situated on the Pleistocene Lake…”
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Plant Functional Groups in Alpine Fellfield Habitats of the White Mountains, California by Rundel, Philip W., Gibson, Arthur C., Sharifi, M. Rasoul

“…An alpine fellfield community on granite substrate (elevation 3750 m) near the University of California Barcroft Laboratory in the White Mountains of eastern…”
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Resprout characteristics of creosote bush ( Larrea tridentata) when subjected to repeated vehicle damage by Gibson, Arthur C, Rasoul Sharifi, M, Rundel, Philip W

“…Studies were conducted in the central Mojave Desert to quantify how creosote bushes ( Larrea tridentata) respond to physical damage during large-scale military…”
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Ecological and phylogenetic patterns of carbon isotope discrimination in the winter-rainfall flora of the Richtersveld, South Africa by Rundel, P.W, Esler, K.J, Cowling, R.M

“…Leaf tissues of vascular plant species from the arid Richtersveld of northern Namaqualand (Succulent Karoo), South Africa, show a great range of variation in…”
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Comparative patterns of phenology and growth form diversity in two winter rainfall deserts: the Succulent Karoo and Mojave Desert ecosystems by Esler, K.J, Rundel, P.W

“…A comparative study of community structure and seasonal growth dynamics in the arid winter rainfall regions of the Succulent Karoo in South Africa and the…”
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Structure of desert seed banks: comparisons across four North American desert sites by Guo, Qinfeng, Rundel, Philip W, Goodall, David W

“…The similarities and differences in seed bank structure across four locations in the North American deserts (Curlew Valley, Utah in the Great Basin; Rock…”
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Self-thinning in early postfire chaparral succession: mechanisms, implications, and a combined approach by Guo, Qinfeng, Rundel, Philip W.

“…For two consecutive years (1995 and 1996), the self-thinning processes in nearly pure, even-aged stands of four dominant postfire chaparral species on Santa…”
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Biogeography of prostrate-leaved geophytes in semi-arid South Africa: hypotheses on functionality by Esler, K.J, Rundel, P.W, Vorster, P

“…Nowhere is the species diversity of geophytes greater than in the five mediterranean-climate ecosystems of the world. Of these, the Cape mediterranean zone of…”
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Morphological and isotopic indicators of growth environment: variability in δ13C in Simmondsia chinensis, a dioecious desert shrub by Kohorn, L.U., Goldstein, G., Rundel, P.W.

“…Carbon isotope discrimination is used increasingly in ecological research as an indicator of plant water use efficiency, although field sampling methods may…”
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Morphological and isotopic indicators of growth environment: variability in δ 13 C in Simmondsia chinensis, a dioecious desert shrub by Kohorn, L.U., Goldstein, G., Rundel, P.W.

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Carbon isotope composition in relation to leaf gas exchange and environmental conditions in Hawaiian Metrosideros polymorpha populations by Meinzer, F.C, Rundel, P.W, Goldstein, G, Sharifi, M.R

“…Carbon isotope composition, photosynthetic gas exchange, and nitrogen content were measured in leaves of three varieties of Metrosideros polymorpha growing in…”
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Phenological and physiological responses of heavily dusted creosote bush (Larrea tridentata) to summer irrigation in the Mojave Desert by Sharifi, M. Rasoul, Gibson, Arthur C., Rundel, Philip W.

“…In the Mojave Desert, numerous human activities damage soil structure, often resulting in increased wind erosion and deposition of dust on plant leaves…”
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