for identifying and classifying alien invasive vegetation in riparian zones Lisa C Rowlinson1*, Mark Summerton2 and Fethi Ahmed3 1 School of Environment and Development, University of Natal, Pietermaritzburg, Private Bag X01, Scottsville 3209, South Africa 2...
of Subcatchment No. 18 were marked, was printed at scales of 1:30 000 and 1:10 000. These transparencies were laid over the mosaicked aerial photographs and the riparian zone vegetation was traced directly onto the transparencies using manual photo...