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Developing a standard approach for monitoring freshwater pearl mussel (Margaritifera margaritifera) populations in European rivers |
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| Authors: | Philip J Boon Susan L Cooksley Juergen Geist Ian J Killeen Evelyn A Moorkens Iain Sime | |
| Abstract: | ||
| Keywords: | bivalves conservation endangered species Habitats Directive hydromorphology invertebrates redox special areas of conservation Water Framework Directive | |