Figure 11
Surface (0.5 M depth) salinity at the Narrows Bridge in the Swan-Canning Riverpark from 1999 through 21st Dec. 2009 showing marked annual seasonal declines in salinity from late austral winter through spring. Confirmed (red arrowhead) and suspected (yellow) freshwater skin disease cases in resident bottlenose dolphins. Prepared by the Department of Water and Environmental Regulation for the Department of Biodiversity, Conservation and Attractions, Western Australia.
