Confident assessment of potential Sampling of the lagoon High presence and impacts of acid sulphate sediments, particularly soils. focusing on areas subject to wetting and drying. Introduced Abundance and diversity of introduced Obtain results from vertebrate Medium species species at the site (particular on and macroinvertebrate macrocrustacea and fish). sampling noted above. The monitoring needs of the site should focus on the knowledge gaps, the limits of acceptable change for the maintenance of the site’s ecological character and also the major threats to the site. The major threats have been discussed in Section 5 and the limits of acceptable change in Section 6. Monitoring needs and prioritisations are presented in . Priorities for monitoring were established by considering the highest value components which face the highest threat. Table 10: Key monitoring needs for the site Component, Key Monitoring needs Priority process, or threat Indicator(s) (type & frequency) Hydrology surface Water depths Depth High – water at the site; measurements (at surface water permanent points) extent at the and areal site assessment of seasonal and surface water annual extent at the site variability (possibly quarterly but may vary with water extent). Vegetation Vegetation Vegetation High extent and surveying (species condition abundance/mapping (health) and condition). Two Structural to five yearly, and floristic relating results to diversity and hydrological data. flux Hydrology - Depth to Measurements from Medium groundwater water table bores within and Correlations near the site, between analysis and regional modelling of bore rainfall and data (quarterly) groundwater Modelling of any recharge proposed extractions and impact on groundwater and surface water at the site.
Confident assessment of potential presence and impacts of acid sulphate soils. Sampling of the lagoon sediments, particularly focusing on areas subject to wetting and drying. High Introduced species Abundance and diversity of introduced species at the site (particular on macrocrustacea and fish). Obtain results from vertebrate and macroinvertebrate sampling noted above. Medium The monitoring needs of the site should focus on the knowledge gaps, the limits of acceptable change for the maintenance of the site’s ecological character and also the major threats to the site. The major threats have been discussed in Section 5 and the limits of acceptable change in Section 6. Monitoring needs and prioritisations are presented in . Priorities for monitoring were established by considering the highest value components which face the highest threat. Table 10: Key monitoring needs for the site Component, process, or threat Key Indicator(s) Monitoring needs (type & frequency) Priority Hydrology – surface water Water depths at the site; surface water extent at the site seasonal and annual variability Depth measurements (at permanent points) and areal assessment of surface water extent at the site (possibly quarterly but may vary with water extent). High Vegetation Vegetation extent and condition (health) Structural and floristic diversity and flux Vegetation surveying (species abundance/mapping and condition). Two to five yearly, relating results to hydrological data. High Hydrology - groundwater Depth to water table Correlations between regional rainfall and groundwater recharge Measurements from bores within and near the site, analysis and modelling of bore data (quarterly) Modelling of any proposed extractions and impact on groundwater and surface water at the site. Medium
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