BTO Research Report No. 603 the Biodiversity in Glasgow
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BTO Research Report No. 603 The Biodiversity in Glasgow (BIG) Project Authors Elizabeth Humphreys1, Paul Kirkland2 & Dan Chamberlain1 1 BTO Scotland, University of Stirling, Stirling, FK9 4LA 2 Butterfly Conservation, Balallan House, Allan Park, Stirling, FK8 2QG September 2011 ©British Trust for Ornithology BTO Scotland School of Biological & Environmental Sciences, University of Stirling, Stirling, FK9 4LA Registered Charity No. SC039193 British Trust for Ornithology The Biodiversity in Glasgow (BIG) Project BTO Research Report No. 603 Elizabeth Humphreys, Paul Kirkland & Dan Chamberlain Published in September 2011 by British Trust for Ornithology (Scotland) School of Biological & Environmental Sciences, Cottrell Building, University of Stirling, Stirling. FK9 4LA Copyright British Trust for Ornithology 2011 ISBN 978-1-908581-14-3 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form, or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the publishers BTO Research Report 603 2 September 2011 Contents List of Tables ....................................................................................................................... 5 List of Appendices ............................................................................................................... 7 List of Figures ...................................................................................................................... 7 1 Introduction ................................................................................................................. 9 2 Methodology ............................................................................................................... 11 2.1 Recruitment ........................................................................................................ 11 2.2 Training .............................................................................................................. 11 2.3 Site allocation ..................................................................................................... 11 2.4 Survey methodology ........................................................................................... 12 2.4.1 Bird surveys ............................................................................................. 12 2.4.2 Butterfly surveys ...................................................................................... 12 3 Results ......................................................................................................................... 15 3.1 Bird Surveys ........................................................................................................ 15 3.1.1 Bird survey form return rates ................................................................... 15 3.1.2 Birds Species recorded in Glasgow ............................................................ 15 3.1.2.1 Species highlights .............................................................................. 15 3.1.2.2 Site information ................................................................................. 16 3.1.2 Habitats recorded at bird survey sites ....................................................... 16 3.1.3 Habitat associations of birds ..................................................................... 17 3.2 Butterfly and day-flying moth surveys .................................................................. 18 3.2.1 Butterfly survey form return rates ............................................................ 18 3.2.2 Butterfly species recorded in Glasgow ...................................................... 18 3.2.2.1 Species highlights .............................................................................. 19 3.2.2.2 Site information ................................................................................. 20 3.2.3 Habitats recorded at butterfly survey sites................................................ 20 3.2.4 Habitat associations of butterflies ............................................................ 21 3.2.5 Day-flying moths recorded in Glasgow ...................................................... 22 3.2.5.1 Species recorded in Glasgow ............................................................ 22 3.2.5.2 Species Highlights ............................................................................. 22 3.2.5.3 Site information ................................................................................ 22 4 Discussion .................................................................................................................... 23 4.1 Recommendations for green space management ................................................. 23 4.1.1 Birds ......................................................................................................... 23 4.1.2 Butterflies ................................................................................................. 23 4.2 Outcomes of the project ...................................................................................... 24 4.2.1 Increasing volunteer engagement .............................................................. 24 4.2.2 Promotion of good practice in green space management ........................... 25 4.2.3 Supporting wider biodiversity objectives ................................................... 25 4.3 Future directions ................................................................................................. 25 Acknowledgements............................................................................................................ 27 References ......................................................................................................................... 29 Tables ................................................................................................................................ 31 BTO Research Report 603 3 September 2011 Contents contd. Appendices ........................................................................................................................ 55 Figures ............................................................................................................................... 57 BTO Research Report 603 4 September 2011 List of Tables Table 1 Relative occurrence of all bird species in 2007................................................................... 31 Table 2 Relative occurrence of all bird species in 2008................................................................... 33 Table 3 Total number of bird species for green spaces in Glasgow in 2007 ................................... 35 Table 4 Total number of bird species for green spaces in Glasgow in 2008 ................................... 37 Table 5 Habitats recorded within sites surveyed for birds in 2007 and their relative occurrence within green spaces of Glasgow ...................................................................... 39 Table 6 Habitats recorded within sites surveyed for birds in 2008 and their relative occurrence within green spaces of Glasgow ...................................................................... 40 Table 7 Mean percentage of habitat types within different types of green spaces surveyed for birds in 2007 .................................................................................................. 41 Table 8 Mean percentage of habitat types within different types of green spaces surveyed for birds in 2008 .................................................................................................. 42 Table 9 Relative occurrence of all butterfly species in 2007 ........................................................... 43 Table 10 Relative occurrence of all butterfly species in 2008 ........................................................... 43 Table 11 Total number of butterfly species recorded in Glasgow’s green spaces in 2007................................................................................................................................ 43 Table 12 Total number of butterfly species recorded in Glasgow’s green spaces in 2008................................................................................................................................ 46 Table 13 Habitats recorded within sites surveyed for butterflies in 2007 and their relative occurrence within green spaces of Glasgow ........................................................ 47 Table 14 Habitats recorded within sites surveyed for butterflies in 2008 and their relative occurrence within green spaces of Glasgow ........................................................ 48 Table 15 Mean percentage of habitat types within different types of green spaces surveyed for butterflies in 2007 ......................................................................................... 49 Table 16 Mean percentage of habitat types within different types of green spaces surveyed for butterflies in 2008 ......................................................................................... 50 Table 17 Relative occurrence of all species of day flying moths in 2007 .......................................... 51 Table 18 Relative occurrence of all species of day flying moths in 2008 .......................................... 51 BTO Research Report 603 5 September 2011 List of Tables contd. Table 19 Total number of species of day flying moths recorded in Glasgow’s green spaces in 2007 ...................................................................................................................