Coombe Bottom & St Boniface Down (Ventnor)

Map of  Coombe Bottom & St Boniface Down (Ventnor)

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


County:Isle of Wight (England)
Gridref:SZ565783
Year established:1992
Number of sections:11
Altitude (m):Unknown
Length (m):1100
Width (m):5
Broad habitat:Dry semi/unimproved (flower rich) chalk/limestone grassland
The following species have been recorded on this site:
SpeciesStatusColonised/extinctAsynchronousMean count 
Orange Tip?1.2more
RingletStable20more
Dark Green FritillaryDecreasing2.8more
Brown ArgusDecreasing110more
Green HairstreakDecreasing3.1more
Holly BlueStable1.5more
Small HeathStable54more
Clouded YellowIncreasing3.1more
Small Blue?8.0more
Dingy SkipperDecreasing6.8more
GraylingStable1.1more
Brimstone?0.32more
Small CopperDecreasing24more
Adonis BlueDecreasing16more
Chalk-hill BlueDecreasing610more
Meadow BrownStable810more
Gatekeeper / Hedge BrownDecreasing130more
Marbled WhiteStable150more
Peacock?9.8more
Large SkipperDecreasing9.2more
Speckled WoodIncreasing5.9more
Wall BrownStable9.7more
Large White?58more
Green-veined White?2.4more
Small WhiteStable15more
Comma?3.2more
Common BlueStable160more
Grizzled Skipper?0.76more
Small SkipperDecreasing25more
Red Admiral?12more
Painted Lady?12more
Small/Essex SkipperDecreasing20more
Brown Hairstreak?0.71more

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. Species are marked as 'asynchronous' when their trends on this site are markedly different from the national trend. Click on 'more' to see a plot of abundance through time for each species. See green question mark above for more details.

» How to get involved

» Wider countryside pilot - Now with online data entry

» Butterflies as indicators

» Key Findings

» News

» Reports & Publications

» Resources

» Species Lists

» Site Locations