TY - RPRT TI - Population dynamics of Northern Pearl Dace Margariscus nachtriebi in anthropogenically altered headwater streams of the Nebraska Sandhills Ecoregion AU - Joseph Spooner AU - Jonathan J. Spurgeon PY - 2026 DO - 10.1002/rra.70147 UR - https://pubs.usgs.gov/publication/70277022 ID - 70277022 ER -