Burgman, M., Keith, D., Hopper, S.D., Widyatmoko, D., Drill, C., 2007. Threat syndromes and conservation
of the Australian flora. Biol. Conserv. 134, 73e82.
Ballantyne, M., Pickering, C., 2013. Tourism and recreation: a common threat to IUCN red-listed vascular
plants in Europe. Biodivers. Conserv. 22, 1e18.
Ballantyne, M., Gudes, O., Pickering, C.M., 2014. Visitor trails are an important cause of fragmentation in
endangered urban forests. Landsc. Urban Plan. 130,
112e124.
Newsome, D., Moore, S.A., Dowling, R.K., 2013. Natural Area Tourism: Ecology, Impacts, and Management,
second ed. Channel View Publications, Bristol, UK.
Evans, M.C., Watson, J.E.M., Fuller, R.A., Venter, O., Bennett, S.C., Marsack, P.R., Possingham, H.P.,
2011. The spatial distribution of threats to species in Australia. Bioscience 61, 281e289
)