TY - RPRT TI - Nonstationary demographic state-space models using unreplicated counts for species undergoing environmental stressors AU - Ashton M. Wiens AU - Teresa Frances Bohner AU - Bradley James Udell AU - Wayne E. Thogmartin PY - 2026 DO - 10.1007/s13253-025-00709-2 UR - https://pubs.usgs.gov/publication/70278957 ID - 70278957 ER -