TY - RPRT TI - Temporal changes in spatial patterns of submersed macrophytes in two impounded reaches of the Upper Mississippi River, USA, 1998-2009 AU - Nathan R. De Jager AU - Yao Yin PY - 2011 DO - 10.1127/1868-5749/2011/019-0015 UR - https://pubs.usgs.gov/publication/70004703 ID - 70004703 ER -