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Cassop Vale
The map shows you the route that this butterfly transect follows.
| County: | Durham (England) |
| Gridref: | NZ325385 |
| Year established: | 1990 |
| Number of sections: | 14 |
| Altitude (m): | Unknown |
| Length (m): | 1443 |
| Width (m): | 5 |
| 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 | ||
| Orange Tip | ? | 0 | .41 | more | ||
| Northern Brown Argus | ? | 6 | .8 | more | ||
| Small Heath | ? | 100 | more | |||
| Dingy Skipper | ? | 1 | .0 | more | ||
| Small Copper | ? | 1 | .0 | more | ||
| Meadow Brown | ? | 320 | more | |||
| Large Skipper | ? | 3 | .2 | more | ||
| Wall Brown | ? | 7 | .1 | more | ||
| Large White | ? | 1 | .6 | more | ||
| Green-veined White | ? | 5 | .9 | more | ||
| Small White | ? | 8 | .8 | more | ||
| Common Blue | ? | 19 | more | |||
| Painted Lady | ? | 1 | .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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