Melbourne Water Rbm 2014 Annual Report
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BirdLife Australia BirdLife Australia (Royal Australasian Ornithologists Union) was founded in 1901 and works to conserve native birds and biological diversity in Australasia and Antarctica, through the study and management of birds and their habitats, and the education and involvement of the community. BirdLife Australia produces a range of publications, including Emu, a quarterly scientific journal; Wingspan, a quarterly magazine for all members; Conservation Statements; BirdLife Australia Monographs; the BirdLife Australia Report series; and the Handbook of Australian, New Zealand and Antarctic Birds. It also maintains a comprehensive ornithological library and several scientific databases covering bird distribution and biology. Membership of BirdLife Australia is open to anyone interested in birds and their habitats, and concerned about the future of our avifauna. For further information about membership, subscriptions and database access, contact BirdLife Australia 60 Leicester Street, Suite 2-05 Carlton VIC 3053 Australia Tel: (Australia): (03) 9347 0757 Fax: (03) 9347 9323 (Overseas): +613 9347 0757 Fax: +613 9347 9323 E-mail: [email protected] © BirdLife Australia This report is copyright. Apart from any fair dealings for the purposes of private study, research, criticism, or review as permitted under the Copyright Act, no part may be reproduced, stored in a retrieval system, or transmitted, in any form or by means, electronic, mechanical, photocopying, recording, or otherwise without prior written permission. Enquires to BirdLife Australia. Recommended citation: Purnell, C., 2014. Melbourne Water Regional Bird Monitoring Project. Annual report: July 2013 –June 2014. Unpublished report prepared for Melbourne Water by BirdLife Australia. This report was prepared by BirdLife Australia under contract to Melbourne Water Corporation. Disclaimers This publication may be of assistance to you and every effort has been undertaken to ensure that the information presented within is accurate. BirdLife Australia does not guarantee that the publication is without flaw of any kind or is wholly appropriate for your particular purposes and therefore disclaims all liability for any error, loss or other consequence that may arise from you relying on any information in this publication. The views and opinions expressed in this publication are those of the authors and do not necessarily reflect the views and opinions of Melbourne Water This report is prepared without prejudice to any negotiated or litigated outcome of any native title determination applications covering land or waters within the plan's area. It is acknowledged that any future outcomes of native title determination applications may necessitate amendment of this report; and the implementation of this plan may require further notifications under the procedures in Division 3 Part 2 of the Native Title Act 1993 (Cwlth). Published by BirdLife Australia, Suite 2–05, 60 Leicester Street, Carlton, Victoria 3053, Australia. This report was prepared by: Chris Purnell. Cover photos: Observers survey Carrum IBA (top), Red-necked Avocet at Western Treatment Plant, Dean Ingwersen (bottom). Photos in this report are by Chris Purnell unless noted otherwise. Melbourne Water Regional Monitoring Project 2013-2014: 1 Contents Figures and Tables ............................................................................................................. 2 Acknowledgements ....................................................................................................... 4 Executive Summary ...................................................................................................... 5 Introduction ................................................................................................................. 6 Avian index calculation ....................................................................................................... 7 Methods ...................................................................................................................... 8 Site identification............................................................................................................... 8 Observer engagement ........................................................................................................ 15 Survey techniques ............................................................................................................. 18 Occupational Health and Safety ........................................................................................... 20 Results and discussion ................................................................................................... 21 Survey coverage ............................................................................................................... 21 ...................................................................................................................................... 26 Significant populations ....................................................................................................... 26 Threatened species ............................................................................................................ 27 Migratory species .............................................................................................................. 28 Abundance data ................................................................................................................ 29 Breeding records ............................................................................................................... 30 Dandenong Valley Constructed Wetland Surveys. ................................................................... 31 Management Recommendations........................................................................................... 33 References ................................................................................................................... 37 Appendix 1: Species selected to determine the avian index of waterway condition. ............... 40 Appendix 2: BirdLife Australia volunteer registration form .................................................. 41 Appendix 3: threatened species occurrences 1/7/2013 – 30/6/2014 ................................... 42 Figures and Tables Figure 1. BirdLife volunteer observers surveying Melbourne Water’s Cardinia Reservoir. ......................................... 4 Figure 2. Wetland and waterway sites identified for targeted surveys as part of the MWrbm. ................................. 9 Figure 3. MWrbm sites within the Dandenong catchment. ...................................................................................... 10 Figure 4. MWrbm sites within the Maribyrnong catchment ..................................................................................... 11 Figure 5 .MWrbm sites within the Werribee catchment. .......................................................................................... 12 Figure 6. MWrbm sites within the Western Port catchment. ................................................................................... 13 Figure 7. MWrbm sites within the Yarra catchment. ................................................................................................. 14 Figure 8. BirdLife staff conduct a community bird walk at River Gum Reserve. Photo: Kim Lambie (MW). ............. 15 Figure 9. Observer training resources. ...................................................................................................................... 16 Figure 10. Public engagement resources developed in partnership with Melbourne Water, the Environment Protection Authority, City of Casey and Port Philip Western Port CMA .................................................................... 16 Figure 11. The Melbourne Water biodiversity survey site interactive map (left) and associated birdata data entry portal. ........................................................................................................................................................................ 17 Figure 12. A representation of 4 common standardised survey types used in the MWrbm project. ....................... 18 Figure 13. Monthly monitoring at Inlets Waterway Reserve (SoB) accounts for seasonal changes in biotic and abiotic habitat variable such as surface water and seeding events. Observers also record impacts of invasive species on habitat in this case Sambar (right) ........................................................................................................... 19 Figure 14. Varying methods of willow treatment along Olinda Creek are being measured for their comparative effects on biodiversity. .............................................................................................................................................. 21 Figure 15. A summary of the regularity and diversity of surveying across 157 targeted MWrbm sites between 1/7/2012-30/6/13 (left bars) and 1/7/13-30/6/2014 (right bars). ............................................................................ 22 Figure 16. Peregrine Falcons have nested at Valley Lake Reserve for the second year running. Photo: Anna Lanigan ................................................................................................................................................................................... 26 Melbourne Water Regional Monitoring Project 2013-2014: 2 Figure 18. Accumulated waterbird counts across MW managed Ramsar