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Gomm Valley
The map shows you the route that this butterfly transect follows.
| County: | Buckinghamshire (England) |
| Gridref: | SU8992 |
| Year established: | 1977 |
| Number of sections: | 9 |
| Altitude (m): | Unknown |
| Length (m): | 1219 |
| Width (m): | Unknown |
| Broad habitat: | Dry scrub/shrub thickets |
Species list...
The following species have been recorded on this site:
| Species | Status | Colonised/extinct | Asynchronous | Mean count | ||
| Small Tortoiseshell | Stable | 21 | more | |||
| Orange Tip | Stable | 5 | .2 | more | ||
| Ringlet | Stable | 260 | more | |||
| Dark Green Fritillary | Decreasing | * | 22 | more | ||
| Brown Argus | ? | 0 | .23 | more | ||
| Green Hairstreak | Decreasing | 4 | .0 | more | ||
| Holly Blue | Stable | 2 | .2 | more | ||
| Small Heath | Decreasing | 21 | more | |||
| Clouded Yellow | ? | 0 | .060 | more | ||
| Small Blue | ? | 0 | .040 | more | ||
| Dingy Skipper | Decreasing | 5 | .6 | more | ||
| Brimstone | Stable | 37 | more | |||
| Small Copper | Stable | 2 | .0 | more | ||
| Chalk-hill Blue | ? | 0 | .73 | more | ||
| Meadow Brown | Decreasing | * | 160 | more | ||
| Gatekeeper/Hedge Brown | Increasing | 29 | more | |||
| Marbled White | Stable | 230 | more | |||
| Peacock | Stable | 44 | more | |||
| Large Skipper | Decreasing | 38 | more | |||
| Speckled Wood | Stable | 48 | more | |||
| Wall Brown | Decreasing | Extinct in 1989 | 3 | .5 | more | |
| Large White | Stable | 41 | more | |||
| Green-veined White | Decreasing | 18 | more | |||
| Small White | Stable | 44 | more | |||
| Comma | Stable | 2 | .6 | more | ||
| Common Blue | Stable | 35 | more | |||
| Grizzled Skipper | ? | 1 | .0 | more | ||
| White-letter Hairstreak | ? | 0 | .030 | more | ||
| Small Skipper | ? | 23 | more | |||
| Red Admiral | Increasing | 0 | .75 | more | ||
| Painted Lady | Stable | 0 | .52 | 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. 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.
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