The sand dunes of Kawakaputa Bay and Haldane Bay, Southland DOC Publication
- Author
- Hilton, Mike
- Year
- 2000
- Publisher / Organisation
- Department of Conservation
- Summary
- Incipient foredunes may develop by the extension of rhizomes and stolons from established foredunes or the germination of seed from terrestrial or marine provenance (Hesp, 1989). This paper demonstrates that incipient foredunes may also establish from marine-dispersed rhizome of Ammophila arenaria (L.) during storm surge conditions. Two case studies from southern New Zealand are examined. In the Doughboy Bay case rhizome was transported by a combination of fluvial and coastal processes during a storm in the winter of 2007. This rhizome produced a zone of vigorous A.arenaria growth, remarkably continuous within the bay, between the toe of the existing foredune and the line of spring high tides. The development of an incipient foredune at Allan's Beach