A horizon scan of issues affecting UK forest management within 50 years by Tew, ER, Ambrose-Oji, B, Beatty, M, Büntgen, U, Butterworth, H, Clover, G, Cook, D, Dauksta, D, Day, W, Deakin, J, Field, A, Gardiner, B, Harrop, P, Healey, JR, Heaton, R, Hemery, G, Hill, L, Hughes, O, Khaira-Creswell, PK, Kirby, K, Leitch, A, MacKay, J, McIlhiney, R, Murphy, B, Newton, L, Norris, D, Nugee, R, Parker, J, Petrokofsky, G, Prosser, A, Quine, C, Randhawa, G, Reid, C, Richardson, M, Ridley-Ellis, DJ, Riley, R, Roberts, JE, Schaible, R, Simpson, LE, Spake, R, Tubby, I, Urquhart, J, Wallace-Stephens, F, Wilson, JD, Sutherland, WJ