Graduate Research Assistantship in Ecology/Biogeochemistry
Arizona State University, School of Life Sciences

Project Title:  Legacies on the Landscape:  Prehistoric human land use and 
long-term ecological 
change

Project Description:  How important are humans as drivers of persistent 
ecological patterns and 
processes on the landscape? In this NSF-funded project, we will examine the 
long-term ecological 
legacies of land use intensity in two different ecosystem types of the 
southwestern US which 
supported prehistoric agriculture from 1200-1400 AD.  Using both ecological and 
archaeological 
evidence, we will focus our investigations across a gradient of known 
prehistoric human activity in 
arid and semi-arid ecosystems of central Arizona that represent two ends of a 
spectrum of human 
occupation in population and duration.  Our work promotes an interdisciplinary 
approach to 
ecology and archaeology and will provide a framework to aid land managers in 
setting goals for 
maintaining and restoring archaeologically rich lands in the Southwest.

Graduate RA Position:  We are looking for a motivated and interested individual 
who is interested 
in pursuing a Ph.D. degree in Ecology/Biogeochemistry to join us in this 
exciting, interdisciplinary 
research endeavor.  The selected student will have broad flexibility in 
developing his or her 
dissertation research within the overall goals of the project and will work 
closely with the principal 
investigators, including Drs. Sharon Hall and John Briggs.  Additionally, the 
student will have the 
opportunity to be co-advised by our collaborators in Archaeology (Dr. Katherine 
Spielmann and 
Keith Kintigh) who are located in the ASU School of Human Evolution and Social 
Change.  

Candidates will apply for admission into the School of Life Sciences graduate 
program at ASU.  The 
starting date is Fall, 2007.  Minimum qualifications include a Bachelor’s 
degree in biology, 
ecology, geology, chemistry, archaeology, or related discipline and a current, 
valid U.S. driver’s 
license.   Interested candidates with a strong background or interest in plant 
ecology, microbial 
ecology, soils, or biogeochemistry are encouraged to apply.  Selection will be 
based on GPA, GRE’s 
(General and Biology subject), letters of recommendation, and enthusiasm for 
the work proposed.  
Send formal letters of interest to Dr. Sharon J. Hall through email at [EMAIL 
PROTECTED] or by 
mail at the School of Life Sciences, Arizona State University, Box 874501, 
Tempe, AZ, 
85287-4501.  Inquiries about the position should be directed to Dr. Hall 
through email or by 
phone at 480-965-5650. 

Graduate RA Stipend: $23,143 for 12 months plus out-of-state tuition waiver. 
Stipends include 
health insurance.

Relevant web sites:
• Dr. Sharon J. Hall: http://sols.asu.edu/faculty/shall.php
• Dr. John Briggs: http://www.public.asu.edu/~jmbriggs/
• Article on the project: http://www.asu.edu/research/fall2005/Fal05_40agave.pdf
• ASU School of Life Sciences (SoLS): http://sols.asu.edu/
• SoLS Graduate Program: http://sols.asu.edu/grad/gradresource.php
• Collaborators in Archaeology (ASU School of Human Evolution and Social 
Change): 
-- Dr. Kate Spielmann: 
http://www.asu.edu/clas/shesc/faculty/spielmannk.htm?Name and 
-- Dr. Keith Kintigh: http://www.asu.edu/clas/shesc/faculty/kintighk.htm?Name

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