Figure 3.

Conservation in action. The application of molecular detection of trophic links is already gaining specific conservation attention. Clockwise from upper left: to look at potential competition for resources between native skinks and invasive shrews on Ile aux Aigrettes, to determine mechanisms of range limitation in smooth snakes and for managed reintroductions of the endangered snail Powelliphanta augusta. Photographs used with permission: skink and shrew – Nik Cole – Durrell/MWF, smooth snake – W.O. Symondson, P. augusta – Stephane Boyer.