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Avon Gorge 1

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 Avon Gorge 1

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

County : England(Avon)
Gridref : ST560730
Year established : 1977
Number of sections : 11
Altitude (m) :
Length (m) : 5761
Width (m) :
Broad habitat : Mature broadleaved woodland
The following species have been recorded on this site:
SpeciesStatusColonised / ExtinctMean Count 
Small SkipperStable 18.82 more
Large SkipperStable 84.26 more
Dingy Skipper? 0.51 more
Clouded Yellow? 0.12 more
BrimstoneStable 95.48 more
Large White? 154.82 more
Small White? 258.58 more
Green-veined WhiteStable 577.53 more
Orange-tipStable 87.59 more
Purple HairstreakStable 19.09 more
White-letter HairstreakStable 18.19 more
Small Copper? 3.62 more
Brown Argus? 1.56 more
Common BlueStable 128.92 more
Holly BlueDeclining 26.39 more
Painted Lady? 2.02 more
Small TortoiseshellIncreasing 146.35 more
PeacockStable 146.80 more
CommaStable 67.14 more
High Brown Fritillary? 0.20 more
Silver-washed FritillaryStable 6.37 more
Speckled WoodStable 794.81 more
WallStable 10.96 more
Marbled White? 3.27 more
GatekeeperStable 484.75 more
Meadow BrownStable 204.58 more
Small Heath? 1.29 more
Ringlet? 1.51 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.