2007 Wetland Inventory for the Eyre Peninsula
2007 Wetland Inventory for the Eyre Peninsula
2007 Wetland Inventory for the Eyre Peninsula
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21.0 WATER CHEMISTRYChemical processes in permanent and temporary waters are extremely complex. The chemistry of <strong>the</strong>water directly influences <strong>the</strong> biological process (such as photosyn<strong>the</strong>sis) <strong>the</strong> physical features of <strong>the</strong>wetland also has a strong influence on both <strong>the</strong> chemical and biological processes. These three factors(chemical, physical and biological) are constantly in a state of movement and change. Changes in <strong>the</strong>separameters are most apparent in temporary wetlands where a wetting and drying cycle occurs. The majorityof wetlands on <strong>Eyre</strong> <strong>Peninsula</strong> have seasonal water regimes, filling during winter and remaining drythroughout spring, winter and autumn.DRY FILLING FILLED DRYING DRYDepthWaterTempDissolvedOxygenConductivitypHNutrientsFigure 11. Temporary wetland cyclesTIMEPioneer species Core species Core species Core speciesPeak flow speciesTolerant lentic species32
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