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Effects of reduced grazing on population density and breeding success of black grouse in northern England |
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| Authors: | John Calladine David Baines Philip Warren |
| Affiliation: | The North Pennines Black Grouse Recovery Project, Game Conservancy Trust, The Gillett, Forest in Teesdale, Barnard Castle, Durham DL12 0HA, UK |
| Abstract: | |
| Keywords: | agri-environment schemes conservation marginal uplands moorland sheep Tetrao tetrix |