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Dynamics of a Tasmania cushion heath community


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Gibson, N and Kirkpatrick, JB 1992 , 'Dynamics of a Tasmania cushion heath community' , Journal of Vegetation Science, vol. 3, no. 5 , pp. 647-654 , doi: 10.2307/3235832.

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Little is known of the dynamics of the alpine cushion plant communities of Tasmania. The present study investigates the nature of the short (5 yr) and long (850 yr plus) term dynamics within one such community at Newdegate Pass, Tasmania. This involved observations of permanent plots, quadrat sampling of cushion heath in different stages of a secondary succession and cuticular analysis of a core through the cushion peat. Data from the peat core showed the continued presence of the cushion heath community at this site for at least 850 yr, while the regeneration patterns indicated community composition was largely achieved by species accumulation rather than species replacement. Over a 5-yr period there was little or no change in total percentage cover yet a surprisingly high degree of interspecific competition for space in areas of complete plant cover. These observations best fit non equilibrium models of community succession and stability.

Item Type: Article
Authors/Creators:Gibson, N and Kirkpatrick, JB
Journal or Publication Title: Journal of Vegetation Science
DOI / ID Number: 10.2307/3235832
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