Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"plant structure"”.
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Using time-lapse and stroboscopic photography to enhance student understanding of plant growth, structure, and pollination: an inquiry-based study
… The lessons used in the study were based on plant structure, growth, and propagation which fit into the mandated 7th grade science curriculum. The students were involved in the taking of still, time-lapse, and stroboscopic images throughout the study. Although an analysis of the quantitative …
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Characterization of Sentinel Butte Petrified Wood and Host Lithology Associations
… of fossilization, silica phases present, organic structure preservation, and parent tree type. In the study site, fossilized tree stumps were concentrated along one continuous clay horizon. Twenty petrified wood samples were obtained. Five representative samples were chosen for thin section …
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An Ecological Study of the Black-Tailed Jack-Rabbit Lepus Californicus in Missouri
… a study site in Lawrence County, near Friestatt. Plant structure and plant species diversity were examined through stem height measurements and plant collections and identification. Jackrabbit activity was monitored through direct observations, spotlighting, and with infrared-triggered camera …
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SAMPLS: A prompt engineering approach using Segment-Anything-Model for PLant Science research
Comparative anatomical studies of diverse plant species are vital for the understanding of changes in gene functions such as those involved in solute transport and hormone signaling in plant roots. The state-of-the-art method for confocal image analysis called PlantSeg utilized U-Net for cell wall …
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The aquatic macrophyte Vallisneria americana as a biomonitor of site quality in Great Lakes areas of concern.
… mass ratio, and total fresh mass of V. americana plants showed similar results and could be used as approximate substitutes for the leaf-to-root surface area ratio. Mapping contours of leaf-to-root surface area ratios appeared to correspond with suspected contours of contamination, enabling the …
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Using high resolution satellite imagery to map aquatic macropyhtes on multiple lakes in northern Indiana
… to be able to quickly and accurately map aquatic plants in freshwater lakes and ponds for regulatory purposes, to monitor the health of native species and to monitor the spread of invasive species. Site surveys and transects are expensive and time consuming, and low resolution imagery is not …
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Numerical simulations of site response and seismic settlements at Kashiwazaki-Kariwa Nuclear Power Plant, Japan
… of Japan, the Kashiwazaki-Kariwa Nuclear Power Plant was strongly shaken by Mw 6.6 Niigata-ken Chuetsu-oki earthquake in 2007. Significant seismic settlements were observed in dry sand deposits at both the free-field site and around the power plant structure components. These total and …
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Simultaneous determination of nitrous oxide and ammonia for measurement of in-situ fluxes from natural ecosystems by gas chromatography with headspace autosampler and electron capture detection
… disturbances in trace gas flux, litter fall and plant structure in forests. The hurricane appears to have increased the N2O flux four fold, and caused a 40% increase in NO3- soil concentration while the NH4+ soil concentration is lower by two fold than previous levels (1995--97). N2O flux and …
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The PLANI Plant Animation Framework
This thesis presents the unique PLANI plant animation framework for animation using dynamic plant models along with three novel demonstrations of the use of the framework. A dynamic plant model is a computer-based representation of a plant that can be used to simulate or animate natural behaviors, …
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The effect of ocean acidification on plant-animal interactions in a <i>Posidonia oceanica</i> meadow
… shelter and food for a highly diversified plant and animal community, and nursery for several commercial species of fish and bivalves. This thesis aims to provide a broad overview of the effect of acidification on <i>P. oceanica</i>, and its associated community, through observation of …