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.
Request for Information (RFI) (pdf)
RFI Responses for the Ten Initial Sites (pdfs):
"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)
![](https://webarchive.library.unt.edu/web/20121010023943im_/http://www.ars.usda.gov/images/docs/22480_22706/LTAR_Sites_Map_by_HUC2_v5.jpg)
Initial LTAR Site and NEON Domains Map (pdf)
![](https://webarchive.library.unt.edu/web/20121010023943im_/http://www.ars.usda.gov/images/docs/22480_22706/LTAR_Sites_Map_by_NEON_domains_v5.jpg)
Initial LTAR Sites and Farm Resource Regions (pdf)
![](https://webarchive.library.unt.edu/web/20121010023943im_/http://www.ars.usda.gov/images/docs/22480_22706/LTAR_Sites_Map_by_FarmResourceRegions_v7.jpg)