Catenella nipae, Australia, Mangrove, Bioindicator, Contamination, Macroalgae, New South Wales, Water Pollutants, Chemical - pharmacology, Avicennia, Environmental Monitoring - methods, Metals, Heavy - pharmacology, Eukaryota - isolation & purification, Seawater - chemistry, Biomass, Rivers, Biodiversity, Rhodophyta - drug effects, Population Density, Geolog...