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October & November 2015 Report

The volunteers have been busy during the autumn. Their main task has been clearing brambles and birch saplings from the SSSI parts of the reserve, that is to say those areas which were not in arable cultivation prior to purchase by Butterfly Conservation. If we did not do this the open heathland would be lost and it would become scrub woodland instead. To assist in dealing with the birch saplings we now have new tools called Tree-poppers. These are in effect long and heavy levers which grip the stem of the sapling at the base and then muscle power is used to press down on the lever to pull up the sapling by the roots. Below is a photo of one of the volunteers using it, and also of the volunteers installing new waymarker posts for the Silver-studded Blue walk after removing the old rotten ones.

 

  

 026A 016A  

 

 The volunteers have also been busy hand-harvesting bell heather seed. We have contracted a local company to provide us with bell heather plugs grown from seed harvested on the reserve, which should have been ready for planting this autumn, but unfortunately they have had difficulty in getting the seed to germinate, and the earliest any plugs will be ready is now the autumn of 2017. 

 

Two small moths have been found on the reserve this autumn. It is believed that Acleris hyemana (it has no common name) has not been recorded on the reserve since 1960. It is a resident moth that is found on wet and dry heaths that hibernates as an adult. The Rush Veneer (Nomophila noctuella) is a migrant that comes here from southern Europe and northern Africa, and is more often seen in coastal localities rather than somewhere like Shropshire.

 

 Acleris-hyemana-PH-14'10'15A    Rush-VeneerA
     
                                               Acleris hyemana                                              Rush-Veneer 

 

Staying with moths, we also found large numbers of caterpillars clustered on single small trees. These were the caterpillars of the Buff-tip, an intriguing moth that as an adult closely resembles a birch twig, presumably as a form of camouflage defence. 

 033A   buff-tip-1A 
    

 

 Most dog owners who use the reserve are responsible and clean up after their dog and use the bin provided. However, sadly a minority do not do this and recently a letter I wrote about this was published in the Shropshire Star and Whitchurch Herald. Dog mess is a health hazard, damages the soils and the plant life and makes walking on the reserve an obstacle course to make sure you do not tread in it. We have now started spraying dog mess with eco-friendly pink chalk paint to highlight the problem. Any further suggestions as to how we might tackle this problem are welcome – please do not hesitate to contact me.

 

 

Butterfly Conservation West Midlands Branch has been very busy preparing a book to be published next spring entitled ‘Butterflies of the West Midlands’. I have written the chapter on the Silver-studded Blue, with Prees Heath being its sole site in the region. Watch this website for more details and how you can purchase a copy. Butterfly Conservation is a membership organisation – it’s remarkably inexpensive to join – and for your membership you get three copies a year of our Butterfly magazine and three copies a year of the West Midlands newsletter, which I edit, as well as the knowledge that you are supporting the work we do in conserving Britain’s butterflies and moths. 

 

 

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Stephen Lewis

Prees Heath Warden

07900 886809

This email address is being protected from spambots. You need JavaScript enabled to view it. (new email address)

 

 

 

Prees Heath August & September 2015

Weed control continues to be a significant issue, and in particular ragwort, docks, thistles, rosebay willowherb and birch. We try to tackle this problem in a number of different ways, always seeking new and better approaches. This year we had contractors spot spraying ragwort rosettes in the spring and hand-pulling it in August. On the East of Runway field there is far too much rosebay willowherb, as well as a proliferation of birch seedlings. However there is a pot of heather growing underneath these weeds, and so we decided that using a mechanical weed wiper – a rotating brush containing herbicide, set at the desired height – would hopefully control the weeds without affecting the heather. We were able to borrow a weed wiper from the National Trust, and in August a contractor weed wiped the weed-infested areas of the East of Runway field. To date results seem encouraging, but this is something we will have to repeat year on year. 

 

Weed-wiper

 

 

Birch regeneration is a problem not just on the restoration areas but also on the runway and other parts of the SSSI. We now have a new tool to deal with this problem – a Tree-popper! This is in effect a big lever which grips the base of the stem and then, with pressure applied, levers the sapling out of the ground, roots and all. It can remove quite big saplings, but they have to get to a minimum size before the tool can be used otherwise the sapling just snaps off and will regrow. Many of the birch saplings on the runway have now been removed. The photo shows a volunteer using the tree-popper on a birch sapling.

 

Student-from-Stafford-College-using-the-Tree-popper

 

Prees Heath continues to attract wildlife recorders from across the county. The Shropshire Invertebrate Group had a productive day on the reserve early in September – it is amazing how many different species of insects the reserve supports. The photo shows a Tree Damsel Bug found on the day. 

 

Tree-Damsel-Bug

 

 

The pond keeps providing a number of new records for the reserve. This year there were several Black-tailed Skimmer dragonflies flying over and around the pond. Janet Vernon, one of our dedicated volunteers and also a botanist, found some new species around the pond – Oregano, Wild Basil and Greater Spearwort - and in addition I found Devil’s-bit Scabious there as well. Since some ornamental goldfish, which are harmful to our native wildlife, were introduced into the pond we have had a heron as a welcome regular visitor, and an angler has been busy fishing as many as possible out and passing them to a local school. 

 

 

Devil's-bit-Scabious

 

 

The heathland restoration work on the reserve continues to receive national attention. In September I gave a talk about Prees Heath to the Heathland Forum of the South Downs National Park in Sussex, where a lot of heathland restoration work is being carried out. 

Stephen Lewis

Prees Heath Warden

Moth Evening

Butterfly Conservation will be hosting a Moth Evening at Prees Heath Common Reserve on Friday 11th September starting at 8.00pm. We hope to see the wonderfully camouflaged Merveille du Jour and the beautiful Canary-shouldered Thorn amongst others. 

 

canary-shouldered-thorn   Merveille-du-Jour
     
 Canary-shouldered Thorn   Merveille du Jour
     

 

 The event is free. Please bring a torch and some warm clothing. Meet on the access track opposite the Steel Heath turning off the A49. Children must be accompanied by an adult. For more information contact Stephen Lewis, Warden, on 07900 886809, especially in the event of poor weather.

Polecat at Prees Heath

The photographs of the same animal were taken by Tim Glenny at Prees Heath. It has been confirmed as a Polecat rather than a Hybrid Ferret by Stuart Edmunds at Shropshire Wildlife Trust.

 PoleCat1   PoleCat2