MONITORING THE DISTRIBUTION OF CRAYFISH IN ENGLAND AND WALES
The distribution of crayfish in England and Wales is described for the period 1997 to 2001 inclusive and is illustrated using a catchment based classification scheme and 10-km square maps. Comparison with previous data from the period 1990 to 1996 shows a decrease in the number of catchments wh...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2002-07-01
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| Series: | Knowledge and Management of Aquatic Ecosystems |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1051/kmae:2002071 |