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Portsdown Hill West
The map shows you the route that this butterfly transect follows.
| County: | Hampshire (England) |
| Gridref: | SU621067 |
| Year established: | 1993 |
| Number of sections: | |
| Altitude (m): | Unknown |
| Length (m): | 2200 |
| Width (m): | Unknown |
| Broad habitat: | Dry semi/unimproved (flower rich) chalk/limestone grassland |
Species list...
The following species have been recorded on this site:
| Species | Status | Colonised/extinct | Asynchronous | Mean count | ||
| Small Tortoiseshell | ? | 47 | more | |||
| Orange Tip | Stable | 19 | more | |||
| Dark Green Fritillary | ? | 0 | .17 | more | ||
| Green Hairstreak | Stable | 5 | .0 | more | ||
| Holly Blue | Stable | 17 | more | |||
| Small Heath | ? | Extinct in 1997 | 2 | .4 | more | |
| Clouded Yellow | ? | 0 | .41 | more | ||
| Small Blue | Stable | 5 | .4 | more | ||
| Dingy Skipper | ? | 2 | .2 | more | ||
| Brimstone | ? | 86 | more | |||
| Small Copper | ? | 0 | .79 | more | ||
| Chalk-hill Blue | Stable | 19 | more | |||
| Meadow Brown | Stable | 560 | more | |||
| Gatekeeper/Hedge Brown | Decreasing | 360 | more | |||
| Marbled White | Decreasing | 210 | more | |||
| Peacock | ? | 45 | more | |||
| Large Skipper | Stable | 14 | more | |||
| Speckled Wood | Stable | 11 | more | |||
| Wall Brown | Stable | 4 | .4 | more | ||
| Large White | Stable | 45 | more | |||
| Green-veined White | Stable | 4 | .0 | more | ||
| Small White | Stable | 250 | more | |||
| Comma | ? | 3 | .7 | more | ||
| Common Blue | Stable | 140 | more | |||
| Small Skipper | Stable | 31 | more | |||
| Red Admiral | ? | 6 | .0 | more | ||
| Painted Lady | ? | 2 | .1 | 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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