Waihi North Project: Assessment of Terrestrial Ecological Values & Effects 62138 WNP AEE i CONTENTS Page 1 Executive Summary .......................................................................................................... 1 2 INTRODUCTION ................................................................................................................ 4 2.1 SITE OVERVIEW.................................................................................................... 4 3 METHODS ......................................................................................................................... 6 3.1 ASSESSMENT METHOD........................................................................................ 6 3.2 VEGETATION AND FLORA .................................................................................... 9 3.3 FAUNA................................................................................................................ 12 4 EXISTING ENVIRONMENT – VALUES ASSESSMENT ........................................................ 21 4.1 OVERVIEW OF WAIHI ECOLOGICAL DISTRICT AND THE WNP AREA.................. 21 4.2 OVERVIEW OF BIRDS RECORDED THROUGHOUT WAIHI ECOLOGICAL DISTRICT AND THE WNP AREA .......................................................................... 24 4.3 OVERVIEW OF LIZARDS RECORDED THROUGHOUT WAIHI ECOLOGICAL DISTRICT AND THE WNP AREA .......................................................................... 25 5 PROJECT AREA ASSESSMENTS ........................................................................................ 28 5.1 GLADSTONE OPEN PIT ....................................................................................... 28 5.2 NORTHERN ROCK STACK.................................................................................... 34 5.3 TAILINGS STORAGE FACILITY 3 .......................................................................... 38 5.3.1.3 Ecological Value of SNA 166 .............................................................................. 48 6 ASSESSMENT OF EFFECTS............................................................................................... 57 6.1 GLADSTONE OPEN PIT ....................................................................................... 59 6.2 NORTHERN ROCK STACK.................................................................................... 61 6.3 TAILINGS STORAGE FACILITY 3 .......................................................................... 64 6.4 AIR QUALITY EFFECTS ON FLORA AND FAUNA .................................................. 66 7 ASSESSMENT OF EFFECTS SUMMARY ............................................................................ 68 8 SIGNIFICANCE ASSESSMENT AGAINST WAIKATO REGIONAL POLICY STATEMENT ........ 69 8.1 GLADSTONE OPEN PIT ....................................................................................... 69 8.2 NORTHERN ROCK STACK.................................................................................... 70 8.3 TAILINGS STORAGE FACILITY ............................................................................. 71 9 MITIGATION HIERARCHY AND OFFSETTING................................................................... 75 10 RECOMMENDATIONS ..................................................................................................... 77 11 REFERENCES.................................................................................................................... 79 APPENDICES ........................................................................................................................... 82
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