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Portland Tout (DCC)
The map shows you the route that this butterfly transect follows.
| County: | Dorset (England) |
| Gridref: | SY685725 |
| Year established: | 1992 |
| Number of sections: | 7 |
| Altitude (m): | Unknown |
| Length (m): | 1580 |
| Width (m): | 10 |
| Broad habitat: | Bare ground/weed communities of post industrial sites e.g. quarries/pits/road/rail/landfill sites |
Species list...
The following species have been recorded on this site:
| Species | Status | Colonised/extinct | Asynchronous | Mean count | ||
| Ringlet | Stable | 3 | .9 | more | ||
| Dark Green Fritillary | ? | 0 | .12 | more | ||
| Brown Argus | ? | 0 | .46 | more | ||
| Holly Blue | ? | 0 | .75 | more | ||
| Small Heath | Stable | 19 | more | |||
| Clouded Yellow | ? | 1 | .3 | more | ||
| Small Blue | Stable | 4 | .8 | more | ||
| Dingy Skipper | Stable | * | 34 | more | ||
| Grayling | Decreasing | 77 | more | |||
| Brimstone | ? | 0 | .13 | more | ||
| Small Copper | Stable | 4 | .0 | more | ||
| Adonis Blue | Stable | 4 | .3 | more | ||
| Chalk-hill Blue | Stable | * | 200 | more | ||
| Meadow Brown | Stable | 210 | more | |||
| Gatekeeper / Hedge Brown | Increasing | 1 | .5 | more | ||
| Marbled White | Decreasing | 160 | more | |||
| Peacock | Decreasing | 2 | .9 | more | ||
| Large Skipper | Stable | 11 | more | |||
| Speckled Wood | Increasing | 3 | .9 | more | ||
| Wall Brown | Stable | 23 | more | |||
| Large White | Decreasing | 19 | more | |||
| Green-veined White | ? | 0 | .35 | more | ||
| Small White | Stable | 64 | more | |||
| Silver-studded Blue | Decreasing | 68 | more | |||
| Comma | ? | 0 | .33 | more | ||
| Common Blue | Stable | 130 | more | |||
| Grizzled Skipper | ? | 0 | .32 | more | ||
| Small Skipper | Stable | 32 | more | |||
| Red Admiral | Stable | 22 | more | |||
| Painted Lady | Stable | 13 | more | |||
| Small/Essex Skipper | Stable | 23 | 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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