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 9 of 9 for “"earth mounds"”.
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Road traffic noise barrier design : measurements and models concerning multiple-walls and augmented earth mounds
… of multiple-walls on the ground and on top of earth mound type barriers.</p> <p>As part of this research, a comprehensive up-to-date review of the research carried out on noise barriers was undertaken. A number of areas requiring further research were identified. The discussion of these …
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Complementary Dualities: The Significance of East/West Architectural Difference in Paquimé
… on the west, on the other hand, are open earth mounds lined in stone for public displays. This thesis analyzes each building individually, the relationship of the structures to one another, and the entire layout of Paquimé in order to better understand Paquimian visual culture.
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Heuweltjies : a window into the palaeoclimate and palaeovegetation of the Western Cape?
… that bas Conned in zeuweltjies (large circular earth mounds). He11weltjles are common landscape features and their potential as palaeoclimatic archives is not known, simply because it has never been investigated. Samples were taken from three depth-profiles down a single hemvcltjie near …
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Sociogenetic investigation of the southern harvester termite, Microhodotermes viator, via genetic and behavioural bioassays
… M. viator and heuweltjies (small Mima-like earth mounds), with regards to their origins and age. By critically analysing what is known, and debating the merits and shortcomings of various published hypotheses, this thesis concludes that heuweltjies are unequivocally attributable to the …
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The effects of heuweltjies and Microhodotermes viator (Isoptera: Hodotermitidae) on invertebrate assemblages and species turnover in the succulent Karoo, Western Cape
… where the unique edaphic character of large earth mounds, known as heuweltjies, support distinct plant communities. The aim of this study is to assess whether these mounds, and the termite Microhodotermes viator commonly associated with them, also support distinct invertebrate communities, …
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Contesting the termite hypothesis for the origins of heuweltjies in Clanwilliam, South Africa
The age and origins of large earth mounds (locally termed "heuweltjies") is under debate, with ages being proposed for between 4500 and 30 000 years old, and hypotheses including zoogenic and geological origins of the mounds. The widely accepted hypothesis for the origins of the heuweltjies found …
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The Influence of dust deposition, carbonates and erosion on the formation of Clanwilliam heuweltjies
… are non-anthropogenic, regularly dispersed earth mounds up to 32 meters in diameter and approximately 1.4 meters in height, that dot about 25% of the land surface of south-western southern Africa. The zoogenic "termite" hypothesis has been widely accepted as a hypothesis of heuweltjie …
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The influence of Microhodotermes viator nest density and dispersion on ecological processes
… described as raised (± 2 m in height) circular earth mounds (5 – 30 m diameter) ubiquitous with the southern harvester termite (Microhodotermes viator), that occur in regular hexagonal patterns, predominantly in the north-western Succulent Karoo of South Africa, and are associated with distinct …