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Aston Upthorpe Downs

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 Aston Upthorpe Downs

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


County : England(Oxfordshire)
Gridref : SU54508370
Year established : 1993
Number of sections : 8
Altitude (m) : 116
Length (m) : 3500
Width (m) : 5
Broad habitat : Dry semi/unimproved (flower rich) chalk/limestone grassland
The following species have been recorded on this site:
SpeciesStatusColonised / ExtinctMean Count 
Small SkipperDeclining 5.31 more
Essex SkipperDeclining 2.59 more
Silver-spotted SkipperDeclining 1.87 more
Large SkipperDeclining 17 more
Dingy SkipperStable 13.76 more
Grizzled SkipperStable 27.78 more
Clouded YellowStable 1.28 more
BrimstoneIncreasing 119 more
Large WhiteStable 55.05 more
Small WhiteStable 153.09 more
Green-veined WhiteStable 57.65 more
Orange-tipStable 10.09 more
Green HairstreakStable 4.54 more
Small CopperStable 14.67 more
Small BlueDeclining 1.11 more
Brown ArgusStable 16.05 more
Common BlueStable 228.32 more
Chalk Hill BlueStable 75.33 more
Adonis BlueStable 0.47 more
Holly BlueStable 1.90 more
Duke of BurgundyDeclining 1.97 more
Painted LadyStable 2.59 more
Small TortoiseshellStable 26.41 more
PeacockStable 42.99 more
CommaIncreasing 13.26 more
Dark Green FritillaryStable 1.08 more
Speckled WoodStable 20.98 more
Wall? 0.04 more
Marbled WhiteDeclining 109.06 more
GatekeeperStable 194.45 more
Meadow BrownIncreasing 843.50 more
Small HeathStable 123.69 more
RingletStable 213.77 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 UKBMS is run by  Butterfly Conservation (BC), the Centre for Ecology and Hydrology (CEH) and the British Trust for Ornithology (BTO), in partnership with the Joint Nature Conservation Committee (JNCC), and supported and steered by Forestry Commission (FC),  Natural England (NE), Natural Resources Wales (NRW), Northern Ireland Environment Agency (NIEA), and Scottish Natural Heritage (SNH). The UKBMS is indebted to all volunteers who contribute data to the scheme.