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Responses to waterlogging and frost related to the topographic sequences of eucalypt species at three sites in central Tasmania

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posted on 2023-11-02, 05:01 authored by JB Kirkpatrick, N Gibson
The boundaries between the eucalypt species typical of flats and hollows and those typical of slopes have been commonly attributed to variable waterlogging and/or frost resistance. Seedlings from three pairs of eucalypt species from the flats and slopes at three altitudes in central Tasmania (Eucalyptus ovata, E. rubida, 500 m; E. rodwayi, E. pauciflora, 800 m; E. gunnii, E. coccifera, 1000 m) were grown in a glasshouse experiment to test the interactive effects of species, waterlogging and fertiliser application on growth, frost resistance and frost recovery. The flats species largely proved more resistant to waterlogging, especially when fertilised, and less resistant to frost than the slopes species. Thus, it seems likely that the boundaries between the pairs of species are caused by relative frost resistance not waterlogging resistance.

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Publication title

Papers & Proceedings of the Royal Society of Tasmania

Volume

132

Pagination

31-34

ISSN

0080-4703

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Copyright Royal Society of Tasmania.

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