Browsing by Author Cable, Jessica Marie

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  • Authors: Cable, Jessica Marie (2006)

    Biological activity in desert soils is driven by water availability. The nature of individual precipitation events is critical to understanding soil moisture availability. Rain falls as discrete events (pulses) that vary in size and sequencing, resulting in soil “wet-dry cycles”. Soil organisms are responsive to wet-dry cycles with rapid changes in activity. How soil activity is driven by changes in water content associated with individual pulses is poorly understood. The effects of precipitation on soil processes likely depend on ecosystem structure, which influences the soil environment. The goal of this dissertation was to determine how soil carbon cycling responds to precipitation...