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Article
Successive bleaching events cause mass coral mortality in Guam, Micronesia
The reefs of Guam, a high island in the Western Pacific, were impacted by an unprecedented succession of extreme environmental events beginning in 2013. Elevated SSTs induced severe island-wide bleaching in 20...
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Article
Memories and anticipations control responding by rats (Rattus norvegicus) in a Pavlovian procedure
In Experiment 1 each rat received two different fixed series of three trials each. The unconditioned stimulus occurred on Trial 1 of one series and on Trial 3 of the other series, all other trials being nonrei...
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Article
The importance of integration and scale in the arbuscular mycorrhizal symbiosis
The arbuscular mycorrhizal (AM) fungus contributes to system processes and functions at various hierarchical organizational levels, through their establishment of linkages and feedbacks between whole-plants an...
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Article
Long-term effects of elevated atmospheric CO2 on below-ground biomass and transformations to soil organic matter in grassland
We determined the effects of elevated [CO2] on the quantity and quality of below-ground biomass and several soil organic matter pools at the conclusion of an eight-year CO2 enrichment experiment on native tallgra...
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Article
Prevalences of fungal pathogens and othernatural enemies of cereal aphids (Homoptera:Aphididae) in wheat under dryland and irrigatedconditions in South Africa
Surveys were conducted in the summer andwinter rainfall wheat producing regions of SouthAfrica in a first attempt to investigate theidentity and impact of entomopathogenic fungi withinthe cereal aphid complex....
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Chapter
Mycorrhizal Fungi Influence Soil Structure
A series of closely related processes is presented, by which arbuscular mycorrhizal (AM) fungi contribute to the formation of relatively stable aggregate structures. Fibrous roots and AM fungal hyphae can be v...
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Article
Pollination of sevenPlectranthus spp. (Lamiaceae) in southern Natal, South Africa
The genusPlectranthus (Lamiaceae) shows remarkable radiation on the sandstones of southern Natal and northern Transkei in South Africa, where six endemic species occur. Two of these endemic species,P. hilliardiae
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Chapter and Conference Paper
Estimation of Kinetic Rate Coefficients for 2,4-D Biodegradation during Transport in Soil Columns
The Monod model is used increasingly to simulate the kinetics of biodégradation in soil environments with distinctly different hydraulic properties than the well-mixed batch reactor environments for which the ...
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Article
External hyphal production of vesicular-arbuscular mycorrhizal fungi in pasture and tallgrass prairie communities
External hyphae of vesicular-arbuscular mycorrhizal (VAM) fungi were quantified over a growing season in a reconstructed tallgrass prairie and an ungrazed cool-season pasture. In both sites, hyphal lengths inc...
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Chapter
Transformation in Eustoma grandiflorum (Lisianthus)
Lisianthus (Eustoma grandiflorum (Griseb) Shinn.] is a gentian native to the central and southern United States (Bailey 1949, Shinners 1957). Due to its large flowers, long stems, and extended vase life, it is an...
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Article
Effect of explant type on proliferation of Carica papaya L. in vitro
Three papaya explant types (entire plantlets, plantlets with apices removed, or roots removed) were cultured on media with and without 2 μM BAP and 0.5 μM NAA. Best growth of lateral shoots occurred in the pre...
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Chapter and Conference Paper
Impulse Response Measurements Using Both Photoacoustic and Photothermal Deflection Methods
Preliminary studies in air on a laminated food wrapper and carbon black powder have been used to compare the usefulness of the two techniques for obtaining depth-resolved information, and also as part of an ef...
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Chapter and Conference Paper
Thermal Wave Imaging of Ceramic Thermal Barrier Coatings
There is an ever increasing demand for materials capable of extended operation at very high temperatures. One approach to the problem is the use of refractory ceramic coatings on metal substrates. These materi...
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Chapter and Conference Paper
Thermal Wave Spectroscopies — Where Do They Win?
The questions to be addressed in this paper are: where do thermal wave spectroscopies offer real advantages over alternative methods, and how can they escape into general application from being the province of...
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Chapter and Conference Paper
Thermal Diffusivity Measurements Using Piezoelectric Detection
An accurate knowledge of the thermal properties of materials is of considerable importance in engineering, particularly where systems must operate in an environment which is not in thermal equilibrium. Althoug...
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Chapter
Management of Bulbar Symptoms in Amyotrophic Lateral Sclerosis
With the many recent advances in medicine and in home health care, patients with neuromuscular diseases can expect a longer life than was common 10 or 15 years ago. Increased understanding of the support these...
