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Cotoneaster records

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Cotoneaster records

by jdsh » Tue Mar 27, 2018 7:07 pm

I've just been validating some records that were outside the vc29 county boundary, but allocated to the county. In four cases these were Cotoneaster records, which had the wrong grid reference. One was also a garden planting, so I've used the new tag on that. It may be worth checking other Cotoneaster records that have come in via the Cotoneaster database.
Jonathan Shanklin
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Re: Cotoneaster records

by AndyAmphlett » Wed Mar 28, 2018 7:32 am

That dataset has 1703 records, of which 38 are grid ref x vc errors (2.23%) - https://database.bsbi.org/search.php#re ... 19fd3db124.

The majority of datasets on the DDb have errors of one sort or another (though some errors are more significant than others). I have checked many datasets for vcs in North Scotland and detected error rates have varied from 0.03% - 10.0%; typically errors run at about 0.5%. So the Cotoneaster dataset errors appear to be slightly on the high side, but not exceptionally so.

Searching for the word 'garden' or 'planted' in the record Comments / Notes finds 39 records - https://database.bsbi.org/search.php#re ... eb45213e80 - but few if any look like they should not be mapped (view details via spreadsheet).

Andy.
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