JADE Student Edition 2019 JADE JSLUG 2019 | Page 75

Figure 3. boxplot of birch sapling frequency in sites of different canopy openness classes References Barron, C. and Little, D., 2009. The control of rhododendron in native woodlands. Forest Service.bar Boyd, I.L., Freer-Smith, P.H., Gilligan, C.A. and Godfray, H.C.J., 2013. The consequence of tree pests and diseases for ecosystem services. Science, 342(6160), p.1235773. Brasier, C. and Webber, J., 2010. Plant pathology: sudden larch death. Nature, 466(7308), p.824. Brown, N.D., Curtis, T. and Adams, E.C., 2015. Effects of clear-felling versus gradual removal of conifer trees on the survival of understorey plants during the restoration of ancient woodlands. Forest Ecology and Management, 348, pp.15-22. Chadfield, V. and Pautasso, M., 2012. Phytophthora ramorum in England and Wales: which environmental variables predict county disease incidence?. Forest Pathology, 42(2), pp.150-159. Fichtner, E.J., Rizzo, D.M., Kirk, S.A. and Webber, J.F., 2011. Root infections may challenge management of invasive Phytophthora spp. in UK woodlands. Plant disease, 95(1), pp.13-18. Gorzelak, M.A., Asay, A.K., Pickles, B.J. and Simard, S.W., 2015. Inter-plant communication through mycorrhizal Article #10 75