Dormouse Monitor Fh.Indd
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spring 2008 thedormouse monitor the newsletter of the national dormouse monitoring programme INSIDE Recolonisation of coppiced woods a study in Suffolk Nesting in hedgerows a look at Devon dormice Bird feeders supplementary feeding by dormice spring 2008 Welcome Contents Habitat management for wildlife 3 Recolonisation of coppiced areas 4 New dormouse tube 5 Pollarding hazel 5 Where dormice nest in hedges 6 It is now 20 years since the Going nuts for bird feeders? 8 NDMP was set up, which means that we have the The 7th International Dormouse Conference 9 longest-running national monitoring programme Little Linford Wood management work 10 for any small mammal in the country. In 1988 we Dead dormice - bodies wanted 11 had fi ve sites registered in two counties from Monitor's news 12 which 384 dormice were recorded throughout the year. Four of these are still being monitored annually. The bad news is that the number of dormice at three of these sites has decreased despite an increase in monitoring eff ort (ie no. of boxes). We now have over 200 sites registered throughout the range of the dormouse over 40 counties across England and Wales. A People's Trust for Endangered Species huge thank you for all your 15 Cloisters House hard work and here’s to the 8 Battersea Park Road next 20 years of monitoring. London This year we are increasing SW8 4BG the number of sites within the monitoring programme www.ptes.org still further. We have four Tel: 020 7498 4533 new sites being monitored [email protected] in Oxfordshire, up from Registered charity number 274206 only one registered site in The National Dormouse Monitoring Programme is funded by PTES and Natural England. the county last year, and this year’s reintroduction is The scientifi c work is based at Royal Holloway, University of London. going to be in a woodland in Yorkshire, bringing the The Dormouse Monitor is compiled by Nida Al Fulaij & Susan Sharafi . total number of known dormouse populations in Cover image kindly provided by Hugh Clarke. Printed by NPL Printers on environmentally friendly the county to three. paper. Please let us know if you have any new sites to register and good luck with the box checks this year. Best wishes Nida Al Fulaij & Susan Sharafi PTES 2 | the dormouse monitor | spring 2008 spring 2008 Habitat management for wildlife Grafham Water, owned when the reservoir was and removed for domestic suitable areas of woodland. by Anglian Water, is a constructed, but most of fi rewood. man-made reservoir it is far older: the village of GWCG is now discussing Graham Shirra, Grafham which was built to provide Grafham is mentioned in with PTES and the Wildlife & Conservation water to a large part of the Domesday Book as a landowners the possibility Group Cambridgeshire and the “woodland pasture 1 league of putting nest boxes in surrounding counties. It long and 1 wide”. also has some 10 miles of As in so many places, footpath and cycle track cost and manpower around the waterline, considerations mean making it a popular that there has been destination for a day out. relatively little woodland Most of the reservoir and its management for a good shores are designated as a number of years. Since SSSI. 1999 the GWCG volunteers, Following a meeting in with assistance from the 2000 between Sam Malt of Community Payback the Grafham Wildlife and Scheme, have been helping Conservation Group (GWCG) to rectify this. In West Wood and Huntingdonshire conifers were felled to allow Countryside Services, an other species to regenerate, initiative was put in place to and hazel saplings were use stretches of hedgerow, planted in some areas. copses, spinneys and Elsewhere, rides have larger areas of woodland been cleared or widened, to link the Nature Reserve dense undergrowth has on the north-west shores been cleared to allow light of Grafham Water with to reach the woodland Brampton Wood, another fl oor and hazel has been SSSI and the site of the fi rst coppiced to encourage fresh dormouse reintroduction, to growth. GWCG volunteers working in Perry West the east. The objective is to None of this would have Wood (bottom left enable dormice and other been possible without corner of the map). mammals to move easily the continued support across a wider area, gaining of Huntingdonshire access to additional food Countryside Services sources and populating new (the ancient county areas. of Huntingdonshire is The original link has now now a District within been completed, and GWCG Cambridgeshire) and of are working on the southern a number of landowners, side of the reservoir. There including farmers, is a longer-term ambition Anglian Water and to establish a complete the Lord Lieutenant of 'woodland ring' around Cambridgeshire (Mr Hugh Grafham Water. Duberly CBE). The local woodlands GWCG does not use provide a range of habitats. bonfi res to dispose of Apart from West Wood cuttings but instead, (confusingly on the north because muntjac deer are side of Grafham Water) there quite common, uses brash is relatively little conifer. cuttings to protect hazel The majority of woodlands stools and give the regrowth in the area consist of a mix a good start. Brash is also of traditional native species used to make 'habitat such as oak, ash, hazel and piles' to attract birds and hawthorn. Some of this mammals that nest at low was planted as landscaping levels. Heavier timber is cut JOHN PRINCE WHITE, IAN MERRY, KATE spring 2008 | the dormouse monitor | 3 spring 2008 Recolonising coppiced areas in new A study carried out in 2007 (25 tubes per hectare) Monitoring Programme. Rules for coppicing are:- Suff olk has shown that to areas of regrowth and This suggests that dormice recolonisation of coppiced saplings coppiced in the prefer the newer growth 1. Keep tree bridges at least areas by dormice in Priestley winters between 2001 and areas, then translocate to every 100m. Wood took place in the 2005. the mature hazel areas in 2. At ride crossings leave a third summer after winter The second summer the autumn for the nuts tree at each corner. coppicing. The project’s after coppicing the tree or to breed. In 2007 we 3. Coppiced areas should objective was to determine regrowth was up to 1.8m had early May litters and have at least two sides how soon after coppicing high and ground cover was late summer litters both of connected to the remaining dormice would begin to approximately 30cm tall and which were found in areas wood. build nests in an area. covered about 50% of the adjacent to the coppiced 4. Leave selected trees/ This SSSI wood consists ground. This cover consisted coupes under study. bushes within the coppiced mainly of hazel and ash, mainly of bramble, but with The coppicing carried area. together with oak, beech, a good diversity of other out in this wood is not that 5. Fence newly coppiced small leaf lime, crab apple ground plants. In the third as recommended in The areas until deer and cherry. Coppicing summer after coppicing Dormouse Conservation management has been restarted in 1998 and has the ground cover was a Handbook. However, by underway for two years to continued annually since minimum of 30cm tall over following certain coppicing protect the new growth. then on a 20-year rotation. 100% of the ground. The rules (detailed below) 6. Only use hand tools for Dormice were reintroduced tree regrowth and saplings keeping dormice numbers coppicing. into this wood in 2000. were 2-3m tall. high has been very Due to the fact that there is We were pleased that the successful and numbers It would be interesting if little horizontal tree growth results of this study showed are increasing as more of similar projects could be in newly coppiced areas, a that dormice built nests in the wood comes under undertaken in other parts vertical lightweight tube all coppiced areas after two management. of the country. The tubes was designed. The tubes summers of regrowth and The dormice have spread cost about £1 each and I were installed in part of the not as long as the 6–7 years to other woods nearby would be happy to collate wood that is not managed generally advocated. (although this cannot be the information from other and with a poor shrub layer. The number of tubes proved scientifi cally as sites. If you are interested in In addition no other types containing nests per hectare no DNA of the originally taking part, please e-mail of tubes or boxes were used remained at 40% for all released animals was enquiries@hazeldormouse. within 300m. Test results coppiced area up to six taken). However they do org.uk. from the fi eld trial showed years old. It was noted that have white tips to their that 71% of these vertical there are more nests per 50 tails, which is uncommon Alan Rogers, Essex and tubes contained a nest after tubes (40%) in the recently in Suff olk’s natural Suff olk Dormouse Project one year. coppiced areas compared populations. These new tubes were to 50 boxes (13%) used in installed at the beginning of the National Dormouse ALAN ROGERS 4 | the dormouse monitor | spring 2008 spring 2008 ...dormouse tubes Pollarding hazel The new vertical dormouse just greater than the width Browsing suppresses stools. Scattered coppicing tube is for use in newly of the tube. Two of the fl aps regeneration and prevents may reduce the total loss to coppiced areas or where have been removed so that fruiting and fl owering of deer and will anyway create there are few horizontal three sides remain to form shrubs.