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oai:digital.library.adelaide.edu.au:2440/220822015-10-19T00:40:57Zcom_2440_14759col_2440_14760

Lenz, Tanja I. School of Earth and Environmental Sciences : Environmental Biology 2004 http://hdl.handle.net/2440/22082 "July 2004." Bibliography: leaves 120-136. vii, 136 leaves : ill. (some col.), maps ; 30 cm. Investigates the effects of soil moisture dynamics on the growth and interactions between invasive annual grasses and native perennial grasses in the mid-north of South Australia. At most sites annual grass abundance was positively correlated with rainfall, soil moisture after rainfall and higher soil productivity. Perennial grass abundance was negatively correlated with annual grass abundance and soil moisture after rainfall, and was weakly positively correlated with percentage summer rainfall, elevation, radiation, gravel and slope. Overall perennial grasses responded little to the environmental variables investigated, but strongly to annual grass abundance, while for annual grasses soil moisture was the driving variable. Thesis (Ph.D.)--University of Adelaide, School of Earth and Environmental Sciences, Discipline of Environmental Biology, 2004 168387 bytes application/pdf en Grasses Ecology South Australia Mid North Region. Plants, Effect of soil moisture on South Australia Mid North Region. Plant-water relationships South Australia Mid North Region. The effect of resource dynamics on invasive annual and native perennial grasses in grasslands of the mid-north of South Australia / Tanja Lenz. Resource dynamics & grass abundance in mid-north grasslands of South Australia Thesis This electronic version is made publicly available by the University of Adelaide in accordance with its open access policy for student theses. Copyright in this thesis remains with the author. This thesis may incorporate third party material which has been used by the author pursuant to Fair Dealing exception. If you are the author of this thesis and do not wish it to be made publicly available or If you are the owner of any included third party copyright material you wish to be removed from this electronic version, please complete the take down form located at: http://www.adelaide.edu.au/legals.open.access