Kruger National Park cactus counts archive

2019-09-10T11:38:50Z (GMT) by John Hoffmann

This dataset contains an evaluation, over 21 years, of biological control of an invasive cactus, Opuntia stricta, in the Kruger National Park, South Africa. Annually, from 1992 - 2013, the numbers of O. stricta plants, cladodes and fruits were recorded, along permanent transects, at four sites with different invasion-histories and with high- and low-densities of the cactus. The abundance of two biological control agent species was also monitored: (i) the cochineal insect, Dactylopius opuntiae, and (ii) the cactus moth, cactoblastis, Cactoblastis cactorum.