As the 21st century unfolds, agriculture will face a series of challenges - in the United States and globally - in providing sufficient food, fiber, and fuel to support a growing global population while our natural resources, environmental health, and available arable land decline and climate changes.  To read the the full version of this Abstract, please click here for the pdf.

2012 Request for Information (RFI) (pdf)

2011 Request for Information (RFI) (pdf)

RFI Responses & Executive Summaries for the Ten Initial Sites (pdfs):

• Central Plains Experimental Range - Executive Summary 
• Goodwater Creek Experimental Watershed - Executive Summary 
• Jornada Experimental Range - Executive Summary
• Little River Experimental Watershed - Executive Summary
• Little Washita River/Fort Cobb Reservoir Experimental Watersheds - Executive Summary
• Little Washita River/Fort Cobb Reservoir Experimental Watersheds Presentation
• Northern Great Plains Research Laboratory - Executive Summary
• R.J. Cook Agronomy Farm - Executive Summary
• Upper Chesapeake Bay Experimental Watersheds - Executive Summary
• Upper Mississippi River Basin Experimental Watersheds - Executive Summary
• Walnut Gulch Experimental Watershed - Executive Summary

ARS Site Contact Information (pdf)

           "Dense Gauge Network Confirms Improvement in TRMM Radar Rainfall Intensity Estimates"

                      http://atmospheres.gsfc.nasa.gov/meso/science/slides.php?sciid=19

Organizations currently collaborating with one or more Long-Term Agro-ecosystem Research (LTAR) network sites (pdf)

Initial LTAR Sites and HUC2 Map (pdf)

Initial LTAR Site and NEON Domains Map (pdf)

Initial LTAR Sites and Farm Resource Regions (pdf)