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Portland Perryfields
The map shows you the route that this butterfly transect follows.
| County: | Dorset (England) |
| Gridref: | SY695713 |
| Year established: | 2000 |
| Number of sections: | 5 |
| Altitude (m): | Unknown |
| Length (m): | 400 |
| 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 | 14 | more | |||
| Dark Green Fritillary | ? | 0 | .32 | more | ||
| Brown Argus | ? | 0 | .41 | more | ||
| Holly Blue | ? | 1 | .8 | more | ||
| Small Heath | Increasing | 2 | .1 | more | ||
| Clouded Yellow | ? | 2 | .3 | more | ||
| Small Blue | ? | 10 | more | |||
| Dingy Skipper | ? | 1 | .5 | more | ||
| Grayling | ? | 1 | .8 | more | ||
| Small Copper | ? | 3 | .0 | more | ||
| Adonis Blue | ? | 1 | .0 | more | ||
| Chalk-hill Blue | Increasing | 12 | more | |||
| Meadow Brown | Stable | 98 | more | |||
| Gatekeeper / Hedge Brown | ? | 4 | .9 | more | ||
| Marbled White | Stable | 74 | more | |||
| Peacock | ? | 0 | .68 | more | ||
| Large Skipper | Stable | 3 | .0 | more | ||
| Speckled Wood | ? | 3 | .3 | more | ||
| Wall Brown | ? | 1 | .3 | more | ||
| Large White | Stable | 5 | .6 | more | ||
| Small White | Decreasing | 22 | more | |||
| Silver-studded Blue | ? | 1 | .6 | more | ||
| Common Blue | Stable | 56 | more | |||
| Lulworth Skipper | ? | 1 | .0 | more | ||
| Small Skipper | ? | 17 | more | |||
| Red Admiral | ? | 4 | .3 | more | ||
| Painted Lady | ? | 3 | .2 | more | ||
| Small/Essex Skipper | ? | 18 | 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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