TY - RPRT TI - Population estimates of Antillean manatees in Puerto Rico: An analytical framework for aerial surveys using multi-pass removal sampling AU - Jaime A. Collazo AU - M.J. Krachey AU - K.H. Pollock AU - F.J. Perez-Aguilo AU - J.P. Zegarra AU - A.A. Mignucci-Giannoni PY - 2019 DO - 10.1093/jmammal/gyz076 UR - https://pubs.usgs.gov/publication/70215184 ID - 70215184 ER -