publication . Article . 2005

long term changes in semi arid vegetation invasion of an exotic perennial grass has larger effects than rainfall variability

Peter J. Clarke; Peter K. Latz; David E. Albrecht;
  • Published: 24 Feb 2005 Journal: Journal of Vegetation Science, volume 16, pages 237-248 (issn: 1100-9233, eissn: 1654-1103, Copyright policy)
  • Publisher: Wiley
Questions: This paper examines the long-term change in the herbaceous layer of semi-arid vegetation since grazing ceased. We asked whether (1) there were differences in the temporal trends of abundance among growth forms of plants; (2) season of rainfall affected the growth form response; (3) the presence of an invasive species influenced the abundance and species richness of native plants relative to non-invaded plots, and (4) abundance of native plants and/or species richness was related to the time it took for an invasive species to invade a plot. Location: Alice Springs, Central Australia. Methods: Long-term changes in the semi-arid vegetation of Central Aus...
free text keywords: Plant Science, Ecology, Species richness, Native plant, Grazing pressure, Agroforestry, Biology, Cenchrus ciliaris, biology.organism_classification, Vegetation, Introduced species, Perennial plant, Relative species abundance
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