2007 Wetland Inventory for the Eyre Peninsula

Figure 14 is based from the salt measurement conversions guide from theLand Management Society Inc.Salinity in milli-siemens per cm Water definition Surveyed wetlands0 – 0.9 Fresh0 = distilled water1.0 – 2.7 MarginalMaximum for hotwater systems, damwater starts to goclear, maximum forpeople.3.0 – 9.1 BrackishMaximum for milkingcows and poultry,crop losses start.Meadow Pool.Big Swamp, Taddie Pool.Little Swamp, Todd Reservoir.9.5 – 15.0 Salt9.5 = Yabbie growthstarts to slow,maximum for horses.14.5 = Yabbie growthceases15.5 – 22.5 SaltThis range includesthe maximum for beefcattle, sheep andmany trees.23.0 – 64.0 SaltSea water at 64.064.0 – 649.0 SaltLimit for salt bush at100.0 and saturatedNaCl salt lakes at649.0Figure 14. Salinity guidelines.Pillie Lake, Orana Swamp, Pillana Swamp, OldPlough Swamp.Sheringa Lagoon.Sleaford Mere, Malata Complex, Round Lake,Middle Lake, Lake Tungketta, Elliston CemeterySwamp, Elliston Myrtle Swamp, Three LakesOne, Three Lakes Three, Three Lakes Four,Greenly Complex.Elliston hamp lake, Lake Newland, Lake greenly,Big lake malata, Samphire flat.The majority of wetlands fall within the 23.0 to 100.0 mS/cm range, with theremaining wetlands scattered across the marginal, brackish and salt ranges.More research is required to understand the effects of salinity upon flora andfauna, in particular invertebrate fauna. Little is known regarding the range oftolerance levels that invertebrate’s display, and research into these aspectswould enable the development of biological indicators.36