New Zealand Journal of Botany abstracts

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FOREST SUCCESSION ON LANDSLIDES ABOVE LAKE THOMSON, FIORDLAND

A. F. Mark,* G. A. M. Scott, F. R. Sanderson and P. W. James

Botany Department, University of Otago

Abstract Forest succession following landslides is described from an altitude of about 1,000 ft on a steep northerly slope above Lake Thomson, west of Lake Te Anau, in Fiordland. Two distinct serai patterns are described from six adjacent stands, ranging in age from 15 years to mature forest. On the denuded slip-faces the relatively drought tolerant Leptospermum scoparium is the principal serai species. On the detritus of the debris-fans, almost pure stands of Aristotelia serrata, followed by Fuchsia excorticata and possibly by Hoheria glabrata, intervene before the return of the climax forest dominated by Nothofagus menziesii. For each of the six stands, the structure and composition of the vegetation and a brief description of the soil is presented.

N.Z. J. Bot. 2: 60-89
(Received for publication, 23 October 1963)

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