Appendix 5: Macroinvertebrate and Stream Ecological Valuation Data Boffa Miskell Ltd | Waihi North Project: Freshwater Ecological Assessment | Gladstone Stream Table 5-3: SEV attribute values from the Gladstone Stream Function Gladstone Natural Flow Regime 1.00 Floodplain Effectiveness 0.50 Connectivity for natural species migrations 1.00 Natural connectivity to groundwater 1.00 Hydraulic Functions 0.88 Water temperature control 0.50 Dissolved oxygen levels 1.00 Organic matter input 0.50 Instream particle retention 1.00 Decontamination of pollutants 0.61 Biogeochemical Functions 0.72 Fish Spawning Habitat 0.05 Habitat for aquatic fauna 0.58 Habitat Provisions Functions 0.36 Fish Fauna Intact 0.00 Invertebrate Fauna Intact 0.45 Riparian Vegetation Intact 0.35 Biodiversity Provision Functions 0.27 SEV Score 0.617 Ruahaorehore Stream Table 5-4:SEV attribute values for the Ruahorehore Stream. Function RUA_ Revegetated RUA_ lower RUA_ upper RUA_ forest RUA_ Trig_Road Natural Flow Regime 0.78 0.65 1.00 0.99 0.55 Floodplain Effectiveness 0.58 0.17 0.04 1.00 0.17 Connectivity for natural species migrations 1.00 1.00 1.00 1.00 1.00 Natural connectivity to groundwater 0.90 0.75 1.00 0.98 0.80 Hydraulic Functions 0.81 0.64 0.76 0.99 0.63 Water temperature control 0.20 0.16 0.28 0.62 0.24 Dissolved oxygen levels 0.68 0.68 1.00 1.00 0.40 Organic matter input 0.25 0.00 0.00 1.00 0.05 Instream particle retention 0.82 0.478 0.92 1.00 0.29 Decontamination of pollutants 0.65 0.37 0.24 0.80 0.44 Biogeochemical Functions 0.52 0.34 0.49 0.88 0.28 Fish Spawning Habitat 0.40 0.05 0.05 0.50 0.05 Habitat for aquatic fauna 0.49 0.58 0.55 0.88 0.46 Habitat Provisions Functions 0.45 0.31 0.30 0.69 0.25 Fish Fauna Intact 0.43 0.67 0.50 0.50 0.30 Invertebrate Fauna Intact 0.72 0.46 0.77 0.84 0.76 Riparian Vegetation Intact 0.15 0.08 0.10 0.80 0.13 Biodiversity Provision Functions 0.43 0.40 0.46 0.71 0.40 SEV Score 0.575 0.435 0.532 0.850 0.403
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