Ph.D. Position in Ecohydrology, Watershed Science and Stable Isotope 
Applications

We are seeking applications for a PhD student to work on an interdisciplinary 
project examining 
the potential for enhancing ecosystem services through the strategic 
incorporation of native 
perennial cover in agricultural landscapes, with a focus on water quality and 
hydrologic regulation. 
This position provides a unique opportunity for a PhD student to participate as 
part of a large 
interdisciplinary team of researchers on a long-term replicated, 
watershed-scale experiment.  The 
successful candidate will design and implement research using stable isotope 
techniques to 
assess flow paths of water through the plant-soil-atmosphere continuum within a 
series of 14 
experimental watersheds treated with different combinations of annual crops and 
native prairie 
plants.  This research tests hypotheses related to targeting the location and 
amount of 
perennial plant cover within agricultural watersheds for maximizing ecosystem 
service benefits 
(e.g., water quality, hydrologic regulation, biodiversity, carbon 
sequestration, quality of life) while 
minimizing costs to society and landowners. The research site is located at the 
Neal Smith 
National Wildlife Refuge, approximately one hour from the main Iowa State 
University campus. 

Qualifications:  1) A B.S. and/or M.S. degree in ecology, hydrology, water 
resources engineering, 
watershed science, plant ecophysiology, environmental science, or a related 
field, 2) expertise in 
hydrological and/or ecological instrumentation and analysis, 3) capacity to 
quickly develop new 
skills, 4) demonstrated ability to work both independently and cooperatively 
with natural resource 
managers and other researchers, 5) strong organizational and interpersonal 
abilities, 6) excellent 
written and oral communication skills, 7) demonstrated experience and 
willingness to work in 
both field and laboratory settings.  Additionally, former experience with 
stable isotope analysis is 
desirable but not required.

To apply, please submit a short statement of interest, a full CV, pdf(s) of 
relevant publications, 
and the names and contact information of three references to one of the 
contacts listed below. 
Review of applications will begin immediately and continue until a suitable 
candidate is found.  
The anticipated start date is August 2010, although some flexibility may be 
available.

Dr. Heidi Asbjornsen                                            Dr. Matt Helmers
Associate Professor                                             Associate 
Professor     
Ecosystem Ecology and Restoration                       Extension Agric. 
Engineer
Department of Natural Resource Ecology        Department of Agricultural & 
Management                                           
Iowa State University                                           Biosystems 
Engineering  
Ames, Iowa  50011-1010                                  Iowa State University   
        
email: [email protected]                             email: 
[email protected]
               

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