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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Analysis of selected ions in Allium cratericola growing on serpentine and non-serpentine soilMcIntyre, Todd Ian 01 January 1991 (has links)
The primary problems which plants growing on serpentine soil must overcome are high magnesium concentrations and calcium deficiency. The ability of Allium cratericola to successfully exploit both serpentine and non-serpentine habitats may be due to physiological adaptations which compensate for unusual mineral composition of the soil. Although the Table Mountain soil is described as non serpentine, it bears ionic similarities to the three serpentine soils studied in this investigation.
With the advent of modern biochemical techniques in plant physiology, there are ample opportunities to expand on past work concerning plant growth on serpentine soil. Investigations into the biochemical nature of tolerance mechanisms, especially those involving the mechanics of ion transport and translocation, could further elucidate the nature of plant growth on this soil type.
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Vegetation ecology of Rawhide Hill, Toulumne County, CaliforniaJansen, Nora Catharine Mary 01 January 1991 (has links)
Detailed botanical surveys and vegetation ecology studies of serpentine habitats in California are rare (Kruckeberg, 1984). This investigation of Rawhide Hill was intended to provide this type of information.
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