Download AEBR 114 Review of factors affecting the abundance of toheroa (Paphies ventricosa)

This report presents the existing time series of toheroa abundance estimates from surveys of the six main toheroa populations, and reviews the current knowledge available regarding toheroa, including local perspectives gathered from a case study in Northland. Possible factors influencing toheroa abundance were identified, and, where sufficient data were available, these were investigated further.