IKONOS was significantly more accurate than Landsat
TM (P < .001) at fine levels of ecological resolution but still
only attained an overall accuracy of 50% even with textural
data (41% without). Further, only about half the habitats
were mapped to an accuracy of more than 50% (Table 1),
and these included two seagrass (classes 12 and 13) and two
macroalgal dominated habitats (classes 1 and 5)