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Australian Journal of Botany Australian Journal of Botany Society
Southern hemisphere botanical ecosystems
RESEARCH ARTICLE

The impact of trampling on feldmark vegetation in Kosciuszko National Park, New South Wales

K. L. McDougall and G. T. Wright

Australian Journal of Botany 52(3) 315 - 320
Published: 09 June 2004

Abstract

A popular walking track in Kosciuszko National Park, New South Wales, passes through areas of feldmark vegetation, a windswept community of sparse dwarf shrubs, cushion plants and herbs. The prevailing westerly winds in this area prune the windward edges of the dominant Epacris gunnii shrubs. Layering on the protected side effectively means that the shrubs slowly move across the ridgetops. Twenty-five transects were placed perpendicular to the track in a patch of feldmark north of Mt Kosciuszko. The density of selected species and the total number of species were recorded in quadrats placed in the track centre, track edges and feldmark vegetation at 5 and 10 m from both sides of the track to determine whether the track has interrupted feldmark processes and affected species abundance. The abundance of all species and the number of species per quadrat was lowest in the track centre. Three species (including E. gunnii) were found to be less abundant on the leeward edge of the track than on the windward edge, suggesting that the track has indirectly interfered with feldmark processes. Two of the species were as abundant on track edges as at 5 and 10 m from the track. The area of affected vegetation is currently very small and it may take decades before the effect is obvious to people using the track. Management options for reducing or eliminating the impact are discussed.

https://doi.org/10.1071/BT03145

© CSIRO 2004

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