RODDEN NATURE RESERVE, FROME, SOMERSET,UK

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NEWS

April 2010 Small mammal survey. Surveying had begun in 2008 and 2009 following purchase of first 6 then another 6 Longworth traps. A shrew licence was obtained then. This year the surveying has been methodically progressing from the east of the site. It is planned that we will cover the entire site twice during the year to compare seasonality and increase the chances of recording all species of small mammal on the site. The current (round 1) survey yielded large numbers of woodmice and some bank voles though the latter were more localised. See survey page for more details and map.
March 2010 Hedge planted along easternmost fence adjacent to field.
August 2009 Warm wet night weather saw the annual mass movement of toads of all different ages across the farm lane in the reserve. As many as 14 spotted in one sweep of the torch with countless dozens picked out by car headlights making their way from the field and hedgerow down into the main reserve area. Similar movements are seen in March or April around spawning time leaving one in no doubt that the reserve and immediately surrounding area supports a large toad population.
August 2009

The first trial of the new moth trap proved that it is highly effective! Although it was only on for a couple of hours it was possible to attract, trap and in some cases photo-ID several species. A large mercury-vapour lamp powered by a small generator is set above a funnel which opens into a large collecting chamber with a perspex lid for viewing. Eggboxes in the chamber provide some cover for the trapped moths. Further trapping will include all-night sessions.

Species photographed include: Angle Shades, Common White Wave, Brimstone, Willow Beauty, Large Yellow Underwing and Setaceous Hebrew Character. A few Bloodveins were seen too. These will be just a fraction of what was attracted during this short session.

July 2009 A small group of FAWG members met one evening at 8:30pm to make use of the group's bat detector. Having swept the entire site and detected nothing we returned to the edge of the reserve where the road bridges were illuminated by street lights to get a signal on the detector! The rhythmic, squelchy pattern of a pipistrelle bat was heard and then a pair were seen. They were catching insects regularly on this warm and still night and the sound of the detector changed clearly when they fed.
June 2009 Butterfly News (John Fisher).The ‘Vanessids’, which commonly over-winter as adults seem to have had widely differing fortunes. There were exceptionally large number of Peacock flying in the warm spring sunshine but very low numbers of Small Tortoiseshell. By June the colonies of Peacock caterpillars ( produced by their over-wintering parents) will be munching away on stinging nettles while protected under dense webs of silk. Read the rest of John's article on the butterfly population of the site.
April 2009 Diggers move in to create the scrape in the flat area between the main lake and the path to the east of the reserve.
April 2009 Spoil from the scrape used to create a 'beetle bank' near the top of the southern slope by the plantations.
April 2009 Working parties remove wire fencing from posts which are kept in place and drilled with holes of various diameters to provide nesting sites for solitary bees and other insects. Metre-square areas of soil exposed on southern slope to provide suitable site for beetle breeding. July update: Numerous holes drilled in posts occupied.
April 2009 This 'kill' found in the reserve by Mick Ridgard. Numerous scales and bone fragments indicate otter feeding.
March 2009 Litter bin installed in turning area. Improvements in state of litter there. ASDA to empty bin regularly.
March 2009

Hedge planting working party. Small trees planted around the northern field and bridge area. Alder removed from southern slope and lake edge and planted in northern field. Evidence of recent otter feeding by western bridge. Spraint, tracks and pieces of fish at water's edge.

February 2009

Frogspawn seen at farthest reaches of southern pool end in ditch. Abundant around western pool and under road bridge. Not as early as last year, though much of that was lost in the floods. Some toad spawn seen too.

November 2008 Dartford warbler seen on site by several spotters.
October 2008 3 Floating islands arrive, are constructed and then floated out and secured one cold, sunny Saturday morning. Lake depth was normal and was over 5 feet deep at the deepest part. The islands are intended to provide 'flood-proof' refuge for nesting birds, rising and falling with the water level as well as enriching the underwater habitat. They comprise a 2m square of floating cylinders under which is slung a metal mesh cage to protect the roots. A metal mesh platform suspends coir matting, preplanted with rushes and sedges, and a further metal mesh cage is fitted on top and is intended to be grown through as the plants mature. Anchoring is via steel cables attached to several large pieces of concrete which rest on the lake bed.
September 2008 Slow worms released into the site over a number of weeks (total around 20 to date) from another Frome site which is under threat. (Michael Woods Associates, Ecological Constultants) Photos: J.Vickers
4th August Working party shores up the dam/sluice at the mouth of the stream connecting the north lake to the River Frome so as to preserve water levels in the lake when the river level drops. Some exposed mud at the lake edge is desirable for wading birds.
30th July 2008 Depth measurements in the north lake in preparation for the installation of floating islands. On the day the water level was roughly a foot lower than the normal. Measurement showed a maximum of roughly 4 feet in the middle of wider sections of the lake quickly decreasing to 2 feet or shallower in less central parts. Even with the lake being low this was much shallower than had been understood. It is possible that flooding has deposited mud or silt in the last couple of years.
7th July 2008 Eve Tigwell leads latest plant survey.
22nd June 08

Thanks to Alison Tutt from the Somerset Mammal Group we were able to borrow 29 Longworth traps with which to begin surveying the small mammals on site. The weather was fairly wet and blowy overnight however the traps attracted 3 short-tailed voles, two wood mice, a common shrew and a toad! The areas covered included two places in the hillside plantation next to large rotting logs, two meadow/long grass areas and two waterside areas; one by the river and one by the lake which produced the shrew. All areas were on the western side of the reserve.

May 08 Bryan Pinchen began a professional survey of insects, the results of which and possibly some on-site photos, will be in this site later in the year.
24th May 2008 A single young deer (Roe Deer?) spotted 11am running around the reserve between lake and private road.
15th April 2008

Working party takes on several jobs: reed planting in the lake, clearing patches of turf on hillside for species diversity and insect nesting and litter clearance in the turning bay area

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13th April 2008 The surveying of species on the site is being undertaken both on an ad hoc basis by FAWG volunteers and on a professional basis as set out in the original management plan for the site. Eve Tigwell begun the plant survey formally, establishing the presence of dozens of species. Several are photographed though it is still quite early in the year for many to show their typical character.
17th February 2008

The January floods brought a large amount of litter into the reserve which suffers from wind-blown litter already. The clean-up continues!

10th February 2008

A rather early sighting of frog spawn laid in a ditch at the foot of the embankment on the ASDA side of the site.

9th February 2008

The previous hide, built as part of the original design was removed in summer 2007 due to vandalism and inappropriate use. The willow screen has been built in the north field adjacent to the north bridge to provide cover for observing birdlife on the main lake. (Photos: J Vickers, R Roberts)

November 2007 A pedestrian gate added to provide access to the north field from the A 362. Since the establishment of site closure during the breeding season this field has remained accessible for the public. The gate has made access from the Wallbridge/ Styles Hill side more convenient.