Vulnerability of riparian zones to invasion by exotic vascular plants

  title={Vulnerability of riparian zones to invasion by exotic vascular plants},
  author={W. Gregory Hood and Robert J. Naiman},
  journal={Plant Ecology},
We compared the invasibility of riparian plant communities high on river banks with those on floodplain floors for four South African rivers. Analyses of abundant and significant riparian species showed that the floors have 3.1 times more exotic plants than the banks. The percent exotics ranges from 5% to 11% of total species richness for the banks, and from 20% to 30% for the floors. Species richness and percent exotics are negatively correlated for the banks, but not correlated for the floors… CONTINUE READING
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