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Portland, High Angle Battery
The map shows you the route that this butterfly transect follows.
| County: | Dorset (England) |
| Gridref: | SY695735 |
| Year established: | 1995 |
| Number of sections: | |
| Altitude (m): | Unknown |
| Length (m): | 1150 |
| 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 | ? | 15 | more | |||
| Ringlet | ? | 16 | more | |||
| Small Heath | ? | 120 | more | |||
| Small Blue | ? | 37 | more | |||
| Dingy Skipper | ? | 36 | more | |||
| Grayling | ? | 9 | .0 | more | ||
| Small Copper | ? | 29 | more | |||
| Adonis Blue | ? | 18 | more | |||
| Chalk-hill Blue | ? | 440 | more | |||
| Meadow Brown | ? | 620 | more | |||
| Gatekeeper/Hedge Brown | ? | 4 | .0 | more | ||
| Marbled White | ? | 130 | more | |||
| Large Skipper | ? | 58 | more | |||
| Speckled Wood | ? | 5 | .0 | more | ||
| Wall Brown | ? | 26 | more | |||
| Large White | ? | 18 | more | |||
| Small White | ? | 64 | more | |||
| Silver-studded Blue | ? | 20 | more | |||
| Common Blue | ? | 96 | more | |||
| Small Skipper | ? | 62 | more | |||
| Painted Lady | ? | 4 | .0 | 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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