TY - RPRT TI - Butterfly abundance declines over 20 years of systematic monitoring in Ohio, USA AU - Wepprich, T. AU - Adrion, J. AU - Ries, L. AU - Wiedmann, J. AU - Haddad, N. PY - 2019 DO - 10.1101/613786 UR - https://www.biorxiv.org/content/10.1101/613786v1 ID - 10.1101/613786 ER -