biogeochemistry update stephen c. hart & asmeret berhe ssczo annual meeting aug. 4, 2014
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2013-2014 Progress
• M.S. Student Emma McCorkle completed her thesis research (to be presented later)
• REU Student Alex Newman continued analysis of water samples for organic C and N (to be presented later)
• Initiated “Dust Project” and received an NSF RAPID grant (Emma Aronson PI, collaborators Cliff Riebe , Sarah Aciego; to be presented later)
2013-2014 Progress
• Successful recruitment of four new SSCZO (biogeochemistry-oriented) Ph.D. students– Nicholas Dove (Hart Advisor)– Paige Austin (Hart Advisor)– Kimber Moreland (Berhe Advisor)– Morgan Barnes (co-advised by Hart and Berhe)
2014-2015 Plans
• Specific directions depend, in part, on interests of recently recruited Ph.D. students
• Some new possibilities include:– Mechanisms responsible for hot-spot, hot moment
biogeochemical phenomena– Estimating plant fine-root production along the altitudinal
gradient– Role of mycorrhizae in water and nutrient acquisition and
how mycorrhizal diversity changes along altitudinal gradient
– Impact of the KREW land mgmt. treatments on soil erosion and C, N and P retention within low-order watersheds
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