U:\2021\BM210482_IBo_Waihi_North_Project\Documents\WNP_Freshwater_Report_May_2022\FINAL_Fres hwater_Report_FOR DELIVERY_June 2022\FINAL DELIVERED 17 JUNE 2022\WAI-985-000-REP-LC0007_Rev0_Freshwater_20220621_FINAL.docx Term Meaning EPT taxa Macroinvertebrate metric made up of Ephemeroptera (mayflies), Plecoptera (stoneflies) and Trichoptera (caddisflies). FAR Fresh air raise providing fresh air to the mine ventilation system Fish IBI The Fish Index of Biotic Integrity (IBI) is a measure of how intact the native fish community is within a stream reach or stream. Fish passage The movement of fish between the sea and any river, including upstream or downstream in that river. FMU Freshwater Management Unit GOP Gladstone Open Pit GOP TSF Gladstone Open Pit converted to a tailings storage facility following the end of mining HDC Hauraki District Council HDP Hauraki District Plan (2019) LENZ Land Environments of New Zealand LINZ The Government Land Information Service of New Zealand LoM, LoMP Life of Mine Plan, Plan for the Life of the Mine Macroinvertebrate Macroinvertebrates are small organisms without backbones (e.g., insects, snails and worms) that are visible to the naked eye, of a size that will not pass through a 0.5 mm sieve. Mitigation package A collective term used in this report that includes all aspects of the ‘mitigation hierarchy’. MUG OGNZL’s existing Martha Underground Mine NAF Non-Acid Forming: Rock that does not contain elements which may oxidise (weather) to form water soluble compounds capable of forming an acid Natural Wetland A wetland (as defined in the RMA) that is not: (a) a wetland constructed by artificial means (unless it was constructed to offset impacts on, or restore, an existing or former natural wetland); or (b) a geothermal wetland; or
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