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Riparian buffers in agricultural landscapes should be designed to trap pollutants in overland flow by slowing, filtering, and infiltrating surface runoff entering the buffer via sheet flow. However, observational evidence suggests that concentrated flow is prevalent from agricultural fields. Over time sediment can accumulate in riparian buffers forming(More)
The fine-scale spatial genetic structure (FSGS) of plant populations is strongly influenced by patterns of seed dispersal. An extreme case of limited dispersal is found in the charismatic yet endangered palm Lodoicea maldivica, which produces large fruits (up to 20 kg) dispersed only by gravity. To investigate patterns of seed dispersal and FSGS in natural(More)
The scanning electron microscope (SEM) offers a direct and visually effective means of examining streptococci adhering to pellicle-coated dental enamel. The GTGO-AD (Glutaraldehyde-Tannic acid-Guanidine hydrochloride-Osmium tetroxide-Air-Drying procedure) has the advantage that critical point-drying or freeze-drying need not be employed. It was found that(More)
The major anthocyanins of boysenberry fruit, a cross between Rubus loganbaccus and Rubus baileyanus Britt., were isolated by preparative high-performance liquid chromatography (HPLC). The structures of cyanidin-3-[2-(glucosyl)glucoside] (1) and cyanidin-3-[2-(glucosyl)-6-(rhamnosyl)glucoside] (2) were determined by NMR in 1% DCOOD/D(2)O. An unusually high(More)
A Eucrite Delivered from an Aten-type Orbit: The Last Link in the Chain from 4 Vesta to Earth [#1664] A likely scenario is that our meteorite is a fragment of a Vestoid, derived from the innermost region of the main belt, delivered from the ν 6 resonance, evolving onto an Aten-type orbit, before entering the atmosphere over southwestern Australia.(More)
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