Four mangrove sites were sampled in May 2010 by Hoppe-Speer et al. (2012), and inMay 2013 (Rautenbach, 2015) and 2014 (this study) (Fig. 1). The sites were chosen in 2010 to represent a range of salinity and moisture conditions. A. marina was present at all four sites, and B. gymnorrhiza was present at Site 2. When Hoppe-Speer et al. (2012) conducted the study on the mangroves in 2010, water level was lower