Gibbons D W and Galbraith C A (2002) The Population Status of Birds in the UK. Birds of Conservation Concern 2002–2007. The RSPB, Sandy. Gibbons D W, Reed J B and Chapman R (1993) The New Atlas of Breeding Birds in Britain and Ireland 1988–91. Poyser. Gill R (2000) The impact of deer on woodland biodiversity – Information note. Forestry Commission, Edinburgh. Glimmerveen I (2006) Putting woodchips to work. Conservation Land Management: Vol 4 Number 3, 7–9. Glue D E and Boswell T (1994) Comparative nesting ecology of the three British breeding woodpeckers. British Birds. 87: 253–269. Green J (2002) Birds in Wales 1992–2000. Welsh Ornithological Society. Harmer H (2004) Restoration of Neglected Hazel Coppice. Forestry Commission Information Note, Edinburgh. Harmer H and Howe J (2003) The Silviculture and Management of Coppice Woodlands. Forestry Commission, Edinburgh. Harmer R and Gill R (2000) Natural Regeneration in Broadleaved Woodland: Deer Browsing and the Establishment of Advance Regeneration. Forestry Commission Information Note 35. Forestry Commission, Edinburgh. Hewson C et al. (2004) Possible impacts of grey squirrels on birds and other wildlife. British Wildlife, February 2004: 183–191. Hodge S and Pepper H (1998) Prevention of mammal damage to trees in woodland – Forestry Commission Practice Note. Forestry Commission, Edinburgh. Hodge S J and Peterken G F (1998) Deadwood in British forests: priorities and a strategy. Forestry 71 (2): 99–112. Hodges T and Curtis T (2006) The conservation and restoration of plantations on ancient woodland sites: A guide for woodland owners and managers. Coed Cadw, Powys. Hope Jones P (1989) The chequered history of the black grouse in Wales. Welsh Bird Report 99: 70–78. Hüppop O and Winkel W (2006) Climate change and timing of migration in the long-distance migrant pied flycatcher in Central Europe: the role of spatially different temperature changes along migration routes. J Ornithol 147: 344–353. Newton I, Davis P E and Moss D (1996) Distribution and breeding of red kites in relation to afforestation and other land-use in Wales. Journal of Applied Ecology 1996, 33, 210–224. Johnstone I and Lindley P (2003) The proximate causes of black grouse breeding failure in Wales. CCW Contract Science Report n. 600. Johnstone I G, Thorpe R I and Noble D G (2006) The State of birds in Wales 2005. The RSPB, Cymru, Cardiff. Jones P S, Stevens D P, Blackstock T H, Burrows C R and Howe E A (eds) (2003) Priority habitats of Wales: a technical guide. Countryside Council for Wales, Bangor. Kauhala K and Helle P (2002) The impact of predator abundance on grouse populations in Finland – a study based on wildlife monitoring counts. Ornis Fennica 79: 14–25.
Kirby K J and Drake C M (eds) (1993) Deadwood matters: the ecology and conservation of saproxylic invertebrates in Britain. English Nature Science series No.7. Langston R, Gregory R and Adams R (2002) The status of the hawfinch in the UK 1975–1999. British Birds 95: 166–173. Langston R H W, Wotton S R, Conway G J, Wright L J, Mallord J W, Currie F A, Drewitt A L, Grice P V, Hoccom D G and Symes N (2007). Nightjar Caprimulgus europaeus and woodlark Lullula arborea – recovering species in Britain? Ibis 149 (Suppl 2): 250–260. Lindley P J, Johnstone I, Mellenchip C J and Young A J (in prep) The population status of black grouse in 2005, and the comparison of previous surveys. Welsh Birds. Lewis A J G, Amar A, Cordi-Piec D and Thewlis R M 2007 Factors influencing willow tit Poecile montanus site occupancy: a comparison of abandoned and occupied woods. Ibis, 149 (Suppl. 2), 205–213. Loneux M, Linsey J K, Vandiepenbeeck M, Charlet O, Keulen C, Poncin P and Ruwet J C (2004) Climate influence on black grouse population dynamic in Belgian Hautes-Fagnes nature reserve: an update. Sylvia, Journal of Ornithology 39 Supplement Praha 2003: 53–57. Loneux M, Lutkepohl M, Wubbenhorst J and Lindsey James K (2005) Modelling the influence of climate on black grouse population dynamics in Luneburger Heide (North Germany). 3rd International black grouse Conference 2005 (Review), Ruthin, North Wales 22–25. Lonsdale D (2000) Hazards From Trees – A General Guide. Forestry Commission, Edinburgh. Lovegrove R, Williams G and Williams I (1994) Birds in Wales. T & AD Poyser, London. Marcstrom V, Kenward R E and Engren (1988) The impact of predation on boreal tetranoids during vole cycles: an experimental study. Journal of Animal Ecology 57: 859–872. Mason B, Kerr G and Simpson J (1999) What is Continuous Cover Forestry? Forestry Commission, Edinburgh (www.forestry.gov.uk). Mayle B (1999) Domestic stock grazing to enhance woodland biodiversity – Information Note. Forestry Commission, Edinburgh. Mayle B (1999) Managing deer in the countryside – Practice Note. Forestry Commission, Edinburgh. Mayle B, Pepper H and Ferryman M (2004) Controlling grey squirrel damage to woodland – Practice Note 004. Forestry Commission, Edinburgh. National Nightjar Survey 2004. BTO, The RSPB, English Nature and Forestry Commission. Pearce-Higgins J W, Grant M C, Robinson M C and Haysom S L 2007 The role of forest maturation in causing the decline of black grouse Tetrao tetrix. Ibis 149: 143–155. Pepper H (1992) Forest Fencing. Forestry Commission Bulletin 102, Edinburgh. Pepper H (1999) Recommendations for Fallow, Roe and Muntjac Deer Fencing: new proposals for temporary and reusable fencing – Practice Note. Forestry Commission, Edinburgh.