Peter Sweetapple

Unexpected consequences of control: competitive vs. predator release in a four-species assemblage of invasive mammals.

Graham Nugent, David S. L. Ramsey, Richard P. Duncan, 2011, Ecology letters.

Top down or bottom up? Comparing the impacts of introduced arboreal possums and ‘terrestrial’ ruminants on native forests in New Zealand

Graham Nugent, G. Nugent, P. Sweetapple, 2001 .

Seedling ratios: a simple method for assessing ungulate impacts on forest understories

Graham Nugent, G. Nugent, P. Sweetapple, 2004 .