TY - RPRT TI - Influence of riffle characteristics, surficial geology, and natural barriers on the distribution of the channel darter, Percina copelandi, in the Lake Ontario basin AU - S.M. Reid AU - L.M. Carl AU - J. Lean PY - 2005 DO - 10.1007/s10641-004-1743-x UR - https://pubs.usgs.gov/publication/70029233 ID - 70029233 ER -