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Providing evidence to improve practice

Individual study: Effect of glade creation by coppicing on ruffed grouse Bonasa umbellus in pine-oak forest of the Appalcians, Pennsylvania, USA

Published source details

Sharp W.M. (1963) The effects of habitat manipulation and forest succession on ruffed grouse. The Journal of Wildlife Management, 27, 664-671

This study is summarised as evidence for the intervention(s) shown on the right. The icon shows which synopsis it is relevant to.

Coppice trees Bird Conservation

A before-and-after study between 1950 and 1962 in a pine-oak forest in Pennsylvania, USA (Sharp 1963), found that the local population of ruffed grouse Bonasa umbellus declined over time, as coppiced woodlands became more mature and developed thick ground cover and mid-storey canopy. Similarly, the use of coppiced woodland by grouse broods decreased over time.