Interacting with natural processes, human-caused fires were a primary vector shaping the pre-Colombian landscape, which was likely a mosaic of grasslands, open woodlands and closed forests.
(human-caused fires; were; a primary vector shaping the pre-Colombian landscape, which was likely a mosaic of grasslands, open woodlands and closed forests) (a primary vector shaping the pre-Colombian landscape; was; likely)
human-caused fires a primary vector shaping the pre-Colombian landscape
were was
a primary vector shaping the pre-Colombian landscape, which was likely a mosaic of grasslands, open woodlands and closed forests
likely