Leaf litter in two southern Tasmanian creeks and its relevance to palaeobotany
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Project name: Leaf litter in two southern Tasmanian creeks and its relevance to palaeobotany
Year started: 1988
Project number: WRA008
Primary investigator: Ray Carpenter
Other investigator(s): Pierre Horwitz
Enquiries: warra.enquiries@forestrytas.com.au
Organisation(s): University of Tasmania
Project type: Professional
Project status: Completed

Project summary:

Benthic and drifting leaf litter were examined in two parallel creeks within Warra (Tomalah and Kroanna Creeks) in mixed forest in southern Tasmania, and the occurrence of whole leaves recorded. Nothofagus cunninghamii leaves were dominant in both the benthic and drift samples, Atherosperma moschatum occurred in the drift but only in trace quantities in the benthic samples, Phyllocladus aspleniifolius occurred in the benthos but only in trace quantities in the drift samples, and whole Eucalyptus obliqua leaves were absent from all samples. Otherwise most species occurred in similar proportions in both creeks and for both sampling strategies. It is concluded that the processes of litter input, leaf buoyancy, and leaf breakdown will result in an unequal potential for fossilisation of the leaves of different species; accordingly, attempts to reconstruct vegetation using macrofossils need to be approached with caution.

Methodology:

Not available

Datasets:

None available.

Publications:

Carpenter, R.J. & Horwitz, P. (1988). Leaf litter in two southern Tasmanian creeks and its relevance to palaeobotany. Papers and Proceedings of the Royal Society of Tasmania 122: 39-45.

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