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 Date: 2005-06-16 04:08:14Conservation in the United Kingdom Breeding bird survey Denmark Earth Europe Breckland British Trust for Ornithology |
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| First Page | Document Content | |
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Date: 2005-06-16 04:08:14Conservation in the United Kingdom Breeding bird survey Denmark Earth Europe Breckland British Trust for Ornithology |
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Bird Study[removed], 200–213 Indexing European bird population trends using results of national monitoring schemes: a trial of a new method ARCO J. VAN STRIEN1*, JEROEN PANNEKOEK1 and DAVID W. GIBBONS2