Evidence for declines in populations of grassland-associated birds in marginal upland areas of Britain

@article{Henderson2004EvidenceFD,
  title={Evidence for declines in populations of grassland-associated birds in marginal upland areas of Britain},
  author={I. Henderson and R. Fuller and Greg J. Conway and S. Gough},
  journal={Bird Study},
  year={2004},
  volume={51},
  pages={12 - 19}
}
Capsule We report large declines among summer populations between 1968–80 and 2000. Aim To assess changes in the status of breeding populations of birds in pastoral uplands. Methods Volunteer observers revisited 13 areas of marginal upland in Britain where Common Birds Census data were collected during 1968–80. This allowed the status of 35 bird species to be examined over about 20 years and to make a comparison between grassland-based and woodland-based species. Results For 12 species the… Expand
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State of bird populations in Britain and Ireland
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