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Properties Of Microbes In Natural Fire Burn Soils, Holly Anderson
Properties Of Microbes In Natural Fire Burn Soils, Holly Anderson
Undergraduate Honors Capstone Projects
Soil underlying a natural fire develops a hydrophobic soil sub-layer. This hydrophobicity decreases with time although the mechanisms are unresolved, but are thought to be biotic and abiotic. Some of the compounds accounting for hydrophobicity are polycyclic aromatic hydrocarbons (PAHs) of which pyrene is an example.
Bacteria that grew on pyrene were isolated from burned soils at two sites in Utah in order to analyze the biotic microbial degradation of the hydrophobic soil sub-layer. The two sites were Wood Camp (Logan, UT) and Milford Flats (Central UT). Identifications of the genera of nine isolated bacteria were made through l6S rRNA …