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Pewsey Down

Here we provide all the information we have for each transect site.

For example, clicking on one of the section titles below will display the site description (shown automatically), as well as a list of the species recorded here, and their yearly counts. However, you can also chose to Show All the sections, or even Hide All, if you so wish.

Map of Pewsey Down

The map shows you the route that this butterfly transect follows.

County : England(Wiltshire)
Gridref : SU110630
Year established : 1979
Number of sections : 6
Altitude (m) :
Length (m) : 2017
Width (m) :
Broad habitat : Dry semi/unimproved (flower rich) chalk/limestone grassland
The following species have been recorded on this site:
SpeciesStatusColonised / ExtinctMean Count 
Small SkipperDeclining 42.59 more
Essex SkipperIncreasing 1.59 more
Large SkipperDeclining 27.80 more
Dingy SkipperDeclining 29.26 more
Grizzled SkipperIncreasing 0.58 more
Clouded YellowStable 1.57 more
BrimstoneStable 8.91 more
Large WhiteStable 36.17 more
Small WhiteIncreasing 97.58 more
Green-veined WhiteStable 51.32 more
Orange-tipStable 4.36 more
Green HairstreakStable 9.64 more
Small CopperDeclining 10.62 more
Small BlueStable 8.68 more
Brown ArgusStable 37.16 more
Common BlueStable 203.16 more
Chalk Hill BlueDeclining 92.65 more
Adonis BlueIncreasing 7.45 more
Holly BlueIncreasing 1.02 more
Duke of Burgundy? 0.14 more
Red AdmiralStable 8.13 more
Painted LadyStable 5 more
Small TortoiseshellStable 82.66 more
PeacockStable 38.69 more
CommaIncreasing 1.32 more
Dark Green FritillaryStable 3.22 more
Silver-washed Fritillary? 0.12 more
Marsh FritillaryStable 4.96 more
Speckled WoodIncreasing 27.09 more
WallStable 12.73 more
Marbled WhiteStable 147.54 more
GatekeeperStable 26.90 more
Meadow BrownDeclining 848.29 more
Small HeathDeclining 118.75 more
RingletStable 46.01 more

This table shows the species that have been recorded on this site. Where sufficient data is available, trends in abundance are assessed and colonisation/extinction events are identified. Click on 'more' to see a plot of abundance through time for each species. See green question mark above for more details.

The UK Butterfly Monitoring Scheme is organized and funded by Butterfly Conservation (BC), the Centre for Ecology and Hydrology (CEH), the British Trust for Ornithology (BTO), and the Joint Nature Conservation Committee (JNCC). The UKBMS is indebted to all volunteers who contribute data to the scheme.