Department of Environment, Water and Natural Resources Kangaroo Island NRM Region Regional Species Conservation Assessment Project Phase 1: Regional Species Status Assessments June 2014 Technical Report 2014/07 www.environment.sa.gov.au Regional Species Conservation Assessment Project, Phase 1 Report: Regional Species Status Assessments, Kangaroo Island NRM Region S Gillam and R Urban June 2014 DEWNR Technical Report 2014/07 This publication may be cited as: Gillam, S. and Urban, R. (2014) Regional Species Conservation Assessment Project, Phase 1 Report: Regional Species Status Assessments, Kangaroo Island NRM Region. Department of Environment, Water and Natural Resources, South Australia. Cover Photographs: Landscape (left): Cove at the end of Snake Lagoon hike, Flinders Chase National Park, Kangaroo Island. Species occurring within the Kangaroo Island Region (left to right): Bassian Thrush Zoothera lunulata; Pygmy Copperhead Austrelaps labialis (photo: David Armstrong); Australian Sea Lion Neophoca cinerea; Drosera schmutzii (photo: John Conran); Kangaroo Island Riceflower Pimelea macrostegia (photo: Tony Robinson); Red-kneed Dotterel Erythrohonys cinctus; Short-beaked Echidna Tachyglossus aculeatus; Kangaroo Island Conesticks Petrophile multisecta (photo: Tony Robinson) – all photos: Sharon Gillam, unless otherwise stated. Department of Environment, Water and Natural Resources GPO Box 1047 Adelaide SA 5001 http://www.environment.sa.gov.au © Department of Environment, Water and Natural Resources Apart from fair dealings and other uses permitted by the Copyright Act 1968 (Cth), no part of this publication may be reproduced, published, communicated, transmitted, modified or commercialised without the prior written permission of the Department of Environment, Water and Natural Resources. Disclaimer While reasonable efforts have been made to ensure the contents of this publication are factually correct, the Department of Environment, Water and Natural Resources makes no representations and accepts no responsibility for the accuracy, completeness or fitness for any particular purpose of the contents, and shall not be liable for any loss or damage that may be occasioned directly or indirectly through the use of or reliance on the contents of this publication. Reference to any company, product or service in this publication should not be taken as a Departmental endorsement of the company, product or service. This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. © Crown in right of the State of South Australia, through the Department of Environment, Water and Natural Resources 2014 ISBN: 978-1-922174-83-3 Kangaroo Island Species Status Assessment Project, Phase 1 Report June 2014 CONTENTS Acknowledgements ........................................................................................................................ iii Executive Summary ......................................................................................................................... v 1. Introduction ................................................................................................................................ 1 2. Methodology ............................................................................................................................... 2 2.1 Project area ..................................................................................................................... 2 2.2 Data preparation .............................................................................................................. 4 2.3 Assessment criteria ......................................................................................................... 6 2.4 Consultation process ....................................................................................................... 7 2.5 Data analysis ................................................................................................................... 8 3. Data limitations .......................................................................................................................... 8 4. Results ........................................................................................................................................ 9 4.1 Kangaroo Island IBRA Subregion .................................................................................... 9 4.2 IMCRA Regions ............................................................................................................. 12 4.3 Species in protected and unprotected areas ................................................................. 12 4.4 Threatened species richness......................................................................................... 15 4.5 Species lists and data availability .................................................................................. 21 5. Summary and next steps ......................................................................................................... 21 5.1 Next steps ..................................................................................................................... 22 References ...................................................................................................................................... 23 Appendices Appendix 1 Landscape descriptions for each IBRA subregion .............................................. 25 Appendix 2 Example of distribution map created for each species ....................................... 26 Appendix 3 a). IUCN Criteria for the threatened categories (CR, EN, VU) plus Rare ....................... 27 b). Outline of each status category ................................................................................. 29 Appendix 4 a). Kangaroo Island fauna workshops conducted .......................................................... 30 b). Kangaroo Island flora workshops conducted ............................................................ 30 Appendix 5 Overall regional categories derived from weighted scores ................................ 31 Appendix 6 a). Number of Kangaroo Island flora species per status ratings in protected and unprotected areas ................................................................................................... 32 b). Number of Kangaroo Island fauna species per status ratings in protected and unprotected areas ................................................................................................... 33 Appendix 7 a). Fauna species list for project area, from most to least threatened ............................ 34 b). Fauna species list for project area, in order of taxonomic sequence......................... 43 Appendix 8 a). Flora species list for project area, from most to least threatened .............................. 47 b). Flora species list for project area, in alphabetical order ............................................ 73 Appendix 9 a). Fauna species in surrounding IMCRA regions .......................................................... 89 b). Flora species in surrounding IMCRA regions ............................................................ 93 Appendix 10 a). Fauna species removed from project area ................................................................ 94 b). Flora species removed from project area .................................................................. 96 i Kangaroo Island Species Status Assessment Project, Phase 1 Report June 2014 LIST OF TABLES Table 1. IBRA subregion within the project area ................................................................................ 4 Table 2. a). Status categories and abbreviations used in assessments ............................................ 7 b). Trend categories and symbols used in assessments ..................................................... 7 Table 3. Number of species per group that were reviewed, assessed and removed ....................... 10 Table 4. Number and percentage of fauna species per status category for the Kangaroo Island Region .................................................................................................. 11 Table 5. Number and percentage of fauna species per trend category for the Kangaroo Island Region .................................................................................................. 11 Table 6. Number and percentage of flora species per status category for the Kangaroo Island Region .................................................................................................. 11 Table 7. Number and percentage of flora species per trend category for the Kangaroo Island Region .................................................................................................. 11 Table 8. Threatened flora species with less than 15% of their records occurring in protected areas in the Kangaroo Island Region ........................................................... 14 Table 9. Threatened fauna species with less than 15% of their records occurring in protected areas in the Kangaroo Island Region ........................................................... 14 LIST OF FIGURES Figure 1. Map showing location of IBRA subregion within the project area ....................................... 3 Figure 2. Frequency distributions of the percentage of All Flora records and Threatened (VU, EN, CR) flora records occurring within protected areas ......................... 12 Figure 3. Frequency