RESEARCH ARTICLE Translocation, genetic structure and homing ability confirm geographic barriers disrupt saltwater crocodile movement and dispersal 1,2☯ 3,4☯ 3³ 5³ Yusuke FukudaID *, Grahame Webb , Charlie Manolis , Garry Lindner , Sam Banks4☯ 1 Department of Environment and Natural Resources, Northern Territory Government, Palmerston, Northern Territory, Australia, 2 Research School of Biology, Australian National University, Acton, Australian Capital Territory, Australia, 3 Wildlife Management International Pty. Limited, Karama, Northern Territory, Australia, a1111111111 4 Research Institute for the Environment and Livelihoods, College of Engineering, IT and the Environment, a1111111111 Charles Darwin University, Darwin, Northern Territory, Australia, 5 Parks Australia, Australian Government, a1111111111 Jabiru, Northern Territory, Australia a1111111111 a1111111111 ☯ These authors contributed equally to this work. ³ These authors also contributed equally to this work. *
[email protected] OPEN ACCESS Abstract Citation: Fukuda Y, Webb G, Manolis C, Lindner G, Translocated saltwater crocodiles (Crocodylus porosus) in the Northern Territory (NT) of Banks S (2019) Translocation, genetic structure and homing ability confirm geographic barriers Australia often return to their original capture sites, which complicates management inter- disrupt saltwater crocodile movement and ventions aimed at reducing human-crocodile conflict. We examined the spatial events impli- dispersal. PLoS ONE 14(8): e0205862. https://doi. cated in this homing ability, using ARGOS satellite tracking devices. Five large male C. org/10.1371/journal.pone.0205862 porosus (3.03 m to 4.02 m TL) were shifted and released 100±320 km from their capture Editor: Christopher A. Lepczyk, Auburn University, sites, and 3 additional ones (3.67 m to 4.23 m TL) were released at their site of capture as UNITED STATES controls.