Gray, Josh M.
Frolking, Steve
Kort, Eric A.
Ray, Deepak K.
Kucharik, Christopher J.
Ramankutty, Navin
Friedl, Mark A.
Article History
Received: 6 June 2014
Accepted: 7 October 2014
First Online: 19 November 2014
Competing interests
: The authors declare no competing financial interests.