Influence of Manatees' Diving on Their Risk of Collision with Watercraft Edwards, Holly H. ; Martin, Julien ; Deutsch, Charles J. ; Muller, Robert G. ; Koslovsky, Stacie M. ; Smith, Alexander J. ; Barlas, Margaret E. Abstract Publication: PLoS ONE Pub Date: April 2016 DOI: 10.1371/journal.pone.0151450 Bibcode: 2016PLoSO..1151450E