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F. A. Donnelly and N. W. Pammenter, “Vegetation Zonation on a Natal Coastal Sand-Dune System in Relation to Salt Spray and Soil Salinity,” South African Journal of Botany, Vol. 2, No. 1, 1983, pp. 46-51.

has been cited by the following article:

• TITLE: Sand Dune Species Distribution and Size Variations in Two Areas Inside a Natural Protected Area Subjected to Different Human Disturbance

  AUTHORS: Loretta Gratani, Maria Fiore Crescente, Laura Varone, Emanuela Gini, Carlo Ricotta, Andrea Bonito

  KEYWORDS: Dune Vegetation; Human Disturbance; Plant Density; Organic Soil Matter

  JOURNAL NAME: American Journal of Plant Sciences, Vol.4 No.9, September 13, 2013

  ABSTRACT: Sand dune species were analyzed across two areas included in the “Roman Coastal State Nature Reserve” (Italy): Ostia (O) and Marina di Palidoro (P). Significant variations in species distribution, dry mass and size over the gradient from the water-edge toward the inland between O and P were observed. Species colonize O, on an average, at 79 m from the water-edge extended along the gradient toward the inland over a length of 26 m. PD is 40.8 ± 9.9 plants.m-2. Ononis variegata and Elymus farctus have the highest PD (15.4 ± 1.3 plants.m-2), followed by Silene colorata and Sporobulus pungens (4.3 ± 3.9 plants.m-2), by Cakile maritima, Echinophora spinosa, Eryngium maritimum, Ammophila arenaria, Anthemis maritima, Cyperus capitatus, Medicago marina and Calystegia soldanella (.m-2), with C. soldanella having the lowest PD (0.02 plants.m-2). On an average, in P, the species colonize the dune at 17 m from the water-edge for a length of 46 m toward the inland, PD is on an average 21.5 ± 16.1 plants.m-2. S. pungens, E. farctus and O. variegata have the highest PD (6.0 ±