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The Colonization of Sand Dunes After Stabilization with Marram Grass (Ammophila Arenaria)

D. G. Hewett
Journal of Ecology
Vol. 58, No. 3 (Nov., 1970), pp. 653-668
DOI: 10.2307/2258527
Stable URL: http://www.jstor.org/stable/2258527
Page Count: 17
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The Colonization of Sand Dunes After Stabilization with Marram Grass (Ammophila Arenaria)
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Abstract

Approximately 100 ac (40 ha) of sand dunes were replanted with marram grass (Ammophila arenaria) at Braunton Burrows, North Devon, between 1952 and 1961. Surveys of the vegetation on the plantations were made in 1963 and 1967. The data indicate the species which are the most frequent colonizers. Although fifty-six species had been recorded from the plantations by 1967, the maximum number recorded from an individual plantation was twenty-nine. Ammophila has flourished only on the seaward plantations and small areas where sand is mobile. Festuca rubra increased greatly in frequency between the two surveys, and was beginning to form closed communities by 1967. Agrostis stolonifera and Poa pratensis became more frequent on the younger plantations and decreased on the older ones. Phleum arenarium increased in frequency between surveys on the more stable plantations. Leguminous species were becoming increasingly common by 1967, especially Trifolium arvense and Ononis repens. Leontodon taraxacoides and Sedum acre also increased and occurred with high frequencies. The majority of species recorded were rare and infrequent, often being confined to one plantation. Only two species of moss have been observed.

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