%0 Journal Article
%T Sand Dune Species Distribution and Size Variations in Two Areas Inside a Natural Protected Area Subjected to Different Human Disturbance
%A Loretta Gratani
%A Maria Fiore Crescente
%A Laura Varone
%A Emanuela Gini
%A Carlo Ricotta
%A Andrea Bonito
%J American Journal of Plant Sciences
%P 1899-1910
%@ 2158-2750
%D 2013
%I Scientific Research Publishing
%R 10.4236/ajps.2013.49233
%X <p>
	<span style=\"font-family:Verdana;\">Sand dune species were analyzed
across two areas included in </span><span style=\"font-family:Verdana;\">the ˇ°Roman Coastal State Nature Reserveˇ± (Italy)</span><span style=\"font-family:Verdana;\">:
Ostia (O) and Marina di Palidoro (P). Significant </span><span style=\"font-family:Verdana;\">variations in species distribution,
dry mass and size </span><span style=\"font-family:Verdana;\">over the gradient from
the water-edge toward the inland </span><span><span style=\"font-family:Verdana;\">between O and P</span><b> </b><span style=\"font-family:Verdana;\">were
observed</span></span><span style=\"font-family:Verdana;\">. Species colonize O, on an average, at 79 m from the
water-edge extend</span><span style=\"font-family:Verdana;\">ed</span><span style=\"font-family:Verdana;\"> along the gradient toward the inland over a length of 26 m. PD is 40.8</span><span> </span><span style=\"font-family:Verdana;\">ˇŔ</span><span> </span><span style=\"font-family:Verdana;\">9.9 plants<sup>.</sup>m<sup>-</sup></span><sup><span style=\"font-family:Verdana;\">2</span></sup><span><span style=\"font-family:Verdana;\">. </span><i><span style=\"font-family:Verdana;\">Ononis variegata</span></i><span style=\"font-family:Verdana;\"> and </span><i><span style=\"font-family:Verdana;\">Elymus farctus</span></i><span style=\"font-family:Verdana;\"> hav</span></span><span style=\"font-family:Verdana;\">e</span><span style=\"font-family:Verdana;\"> the highest PD (15.4</span><span> </span><span style=\"font-family:Verdana;\">ˇŔ</span><span> </span><span style=\"font-family:Verdana;\">1.3 plants<sup>.</sup>m<sup>-</sup></span><sup><span style=\"font-family:Verdana;\">2</span></sup><span><span style=\"font-family:Verdana;\">),
followed by </span><i><span style=\"font-family:Verdana;\">Silene colorata</span></i><span style=\"font-family:Verdana;\"> and </span><i><span style=\"font-family:Verdana;\">Sporobulus pungens</span></i><span style=\"font-family:Verdana;\"> (4.3</span></span><span> </span><span style=\"font-family:Verdana;\">ˇŔ</span><span> </span><span style=\"font-family:Verdana;\">3.9 plants<sup>.</sup>m<sup>-</sup></span><sup><span style=\"font-family:Verdana;\">2</span></sup><span><span style=\"font-family:Verdana;\">), by </span><i><span style=\"font-family:Verdana;\">Cakile maritima</span></i><span style=\"font-family:Verdana;\">,</span><i><span style=\"font-family:Verdana;\"> Echinophora
spinosa</span></i><span style=\"font-family:Verdana;\">,</span><i><span style=\"font-family:Verdana;\"> Eryngium maritimum</span></i><span
%K Dune Vegetation
%K Human Disturbance
%K Plant Density
%K Organic Soil Matter
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=36902