Are agrofuels a conservation threat or opportunity for grassland birds in the United States?

Title	Are agrofuels a conservation threat or opportunity for grassland birds in the United States?
Authors:	Robertson, B. A.;Rice, R. A.;Sillet, T. S.;Babcock, B. A.;Landis, D. A.;Ribic, C. A.;Herkert, J. R.;Fletcher, R. J.;Fontaine, J. J.;Schemske, D. J.
Publication Type	Journal Article
Year of Publication:	2012
Volume:	114
Pagination:	679-688
Accession Number:	KBS.3237
DOI	10.1525/cond.2012.110136