Search Results - "Davidson, D. W."

The Effects of Herbivory and Granivory on Terrestrial Plant Succession by Davidson, Diane W.

“…Based on resource availability models of plant defense investment, several authors have predicted and documented that herbivores tend to accelerate the pace of…”
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chemistry of exploding ants, Camponotus SPP. (cylindricus complex) by Jones, T.H, Clark, D.A, Edwards, A.A, Davidson, D.W, Spande, T.F, Snelling, R.R

“…A detailed comparative analysis of the exocrine chemistry of nine Bruneian Camponotus species in the cylindricus complex is reported. Workers of these species…”
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Resource discovery versus resource domination in ants: a functional mechanism for breaking the trade-off by Davidson, Diane W.

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Implementation Strategies for a Scottish National Epilepsy Guideline in Primary Care: Results of the Tayside Implementation of Guidelines in Epilepsy Randomized (TIGER) Trial by Davis, Julian, Roberts, Richard, Davidson, D. L. W., Norman, Angela, Ogston, Simon, Grimshaw, Jeremy M., Davey, Peter, Grant, James, Ruta, Danny

“…Purpose: To determine the effectiveness of two dissemination and implementation strategies to implement a national guideline for epilepsy management in primary…”
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experimental study of bamboo ants in western Amazonia by Davidson, D. W, Arias, J. A, Mann, J

“…Numerous ant taxa naturally inhabit stems of live and dead Guadua bamboo (Bambusoidea, Poaceae) in western Amazonia. In an experiment at the onset of the wet…”
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6-alkylsalicylic acids and 6-alkylresorcylic acids from ants in the genus Crematogaster from Brunei by Jones, T.H, Brunner, S.R, Edwards, A.A, Davidson, D.W, Snelling, R.R

“…The defensive chemistry of two species of ants from Brunei in the genus Crematogaster (Physocrema group) has been investigated. Ants in this group release a…”
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Dose reductions in dental X-ray imaging using Medipix by Watt, J., Davidson, D.W., Johnston, C., Smith, C., Tlustos, L., Mikulec, B., Smith, K.M., Rahman, M.

“…We have measured the noise power spectra for a commercial CCD device, for dental X-ray imaging, and an X-ray photon counting chip, Medipix1. This quantity…”
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Gastral exocrine products of a myrmicine ant strongly overlap pygidial gland products of Dolichoderinae by DAVIDSON, D. W, CLARK, D. A, JONES, T. H

“…In most subfamilies of ants (Formicidae), a pygidial gland occurs in the worker’s dorsal gaster, and where tested, products of this gland function in…”
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Absorption of ant-provided carbon dioxide and nitrogen by a tropical epiphyte by Treseder, Kathleen K, Davidson, Diane W, Ehleringer, James R

“…A study demonstrates the mutualistic relationship between ants of the genus Philidris and their host, Dischidia major. Using stable isotope analysis, it is…”
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Experimental studies of species-specificity in Cecropia-ant relationships by Yu, Douglas W., Davidson, Diane W.

“…Strict coevolution requires that interactions among organisms be species-specific. We assessed the relative roles of host- and habitat-specificity in…”
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Explaining the Abundance of Ants in Lowland Tropical Rainforest Canopies by Davidson, Diane W., Cook, Steven C., Snelling, Roy R., Chua, Tock H.

“…The extraordinary abundance of ants in tropical rainforest canopies has led to speculation that numerous arboreal ant taxa feed principally as "herbivores" of…”
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Ecological studies of neotropical ant gardens by Davidson, Diane W.

“…In a census taken in Peru's Manu National Park, 10 epiphytic angiosperms from seven plant families established principally on arboreal carton-ant nests. These…”
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Granivory and Competition as Determinants of Annual Plant Diversity in the Chihuahuan Desert by Samson, Douglas A., Philippi, Thomas E., Davidson, Diane W.

“…In the Chihuahuan Desert of southeastern Arizona, we monitored the responses of three seasonal classes of annual plants (winter, summer and biseasonal species)…”
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Evidence for micronutrient limitation of biological soil crusts: importance to arid-lands restoration by Bowker, Matthew A., Belnap, Jayne, Davidson, Diane W., Phillips, Susan L.

“…Desertification is a global problem, costly to national economies and human societies. Restoration of biological soil crusts (BSCs) may have an important role…”
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Antiherbivore Defenses of Myrmecophytic Cecropia under Different Light Regimes by Folgarait, Patricia J., Davidson, Diane W.

“…In a greenhouse experiment, we compared presumed biotic, chemical, physical and phenological defenses of six myrmecophytic Peruvian Cecropia species under high…”
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Three-dimensional Medipix-a new generation of X-ray detectors by Wright, V.A., Davidson, W.D., Melone, J.J., O'Shea, V., Smith, K.M., Donohue, L., Lea, L., Robb, K., Nenonen, S., Sipila, H.

“…Three-dimensional (3-D) detectors have many potential advantages over standard planar devices and for a range of applications, e.g., high energy physics,…”
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Myrmecophytic Cecropia: antiherbivore defenses under different nutrient treatments by Folgarait, P.J, Davidson, D.W. (Utah Univ., Salt Lake City (USA). Dept. of Biology)

“…In greenhouse experiments, we compared putative biotic, chemical, physical and phenological defenses of six myrmecophytic Cecropia species cultivated under…”
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Detective quantum efficiency of the Medipix pixel detector by Davidson, D.W., Watt, J., Tlustos, L., Mikulec, B., Campbell, M., Mathieson, K., O'Shea, V., Smith, K.M., Rahman, M.

“…We have measured the intrinsic performance of a digital X-ray detector, the Medipix1, by examining the total detective quantum efficiency (DQE). We studied how…”
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Granivory in a desert ecosystem: experimental evidence for indirect facilitation of ants by rodents by Davidson, D. W., Inouye, R. S., Brown, J. H.

“…Two major groups of desert granivores, ants and rodents, coexist as permanent residents of local desert habitats in southwestern North America. At our Sonoran…”
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Liquid-Feeding Performances of Ants (Formicidae): Ecological and Evolutionary Implications by Davidson, Diane W., Cook, Steven C., Snelling, Roy R.

“…Disparities in liquid-feeding performances of major ant taxa have likely been important to resource partitioning among ants, to the nature and composition of…”
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