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Discontinuous gullying of the Tea Tree Rivulet, Buckland, eastern Tasmania


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Goede, A 1972 , 'Discontinuous gullying of the Tea Tree Rivulet, Buckland, eastern Tasmania' , Papers and Proceedings of the Royal Society of Tasmania, vol. 106 , pp. 5-16 .

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The recent development of discontinuous gullying
appears to be largely due to clearing of the
natural floodplain vegetation in the first half of
the 19th century although climatic factors may
have contributed in a minor way. Rate of headcut
migration is related to the frequency of flood
flows. which in turn is a function of the frequency
of occurrence of large rains. The upward trend
in the number of small rains at least since 1915
is thought to have reduced sediment yields through
its beneficial influence on the catchment vegetation
and may be another factor favouring acclerated
erosion of the floodplain.
In future studies of unstable stream channels in
alluvial deposits a distinction should be made
between continuous trenches and discontinuous
gullies. When discussing the effect Of vegetation
changes on stream behaviour a distinction
should always be made between the vegetation
of the catchment slopesandi that of theffnodplaln
or alluvial fan in which the channel under study
is situated since the same change in both may
have opposite effects on the behaviour of the

Item Type: Article
Authors/Creators:Goede, A
Keywords: Royal Society of Tasmania, RST, Van Diemens Land, natural history, science, ecology, taxonomy, botany, zoology, geology, geography, papers & proceedings, Australia, UTAS Library
Journal or Publication Title: Papers and Proceedings of the Royal Society of Tasmania
ISSN: 0080-4703
Collections: Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania
Additional Information:

Copyright Royal Society of Tasmania

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