Environmental Management

, 44:1121

Characteristics of Coastal Dune Topography and Vegetation in Environments Recently Modified Using Beach Fill and Vegetation Plantings, Veneto, Italy

  • Karl F. Nordstrom
  • Ulrike Gamper
  • Giorgio Fontolan
  • Annelore Bezzi
  • Nancy L. Jackson
Article

Abstract

Human actions can contribute to degradation of coastal environments or they can increase the likelihood that these environments will be restored. Beach nourishment provides a basis for restoration, but ways must be found to add habitat improvement to projects designed for shore protection. This study examines how beach nourishment projects can help reinstate dune landscapes in locations where beaches and dunes had been replaced by static shore protection structures. Dune topography and vegetation on three nourished sites on the northern Adriatic Coast of Italy are compared to a reference site to evaluate changes after beach fill was emplaced. Results reveal how nourishment projects used for shore protection can restore the space available for dunes to form, increase the likelihood of sediment transfers inland and increase the diversity of topography and vegetation. Beach raking prevents formation and growth of hummocky, incipient backshore dunes that would otherwise evolve into a naturally functioning foredune. Sand-trapping fences can speed the process of foredune development but can be counterproductive if they interfere with transport to beach grass (Ammophila littoralis) planted landward of them. Shore protection structures can provide stability and more time for dune evolution on eroding shores, resulting in greater species richness and longer retention of ecological niches. These structures need not be required if re-nourishment occurs frequently enough to provide a beach wide enough to protect against storm wave uprush.

Keywords

Beach nourishment Coastal vegetation Dunes Restoration Seawalls 

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Karl F. Nordstrom
    • 1
  • Ulrike Gamper
    • 2
  • Giorgio Fontolan
    • 3
  • Annelore Bezzi
    • 3
  • Nancy L. Jackson
    • 4
  1. 1.Institute of Marine and Coastal SciencesRutgers UniversityNew BrunswickUSA
  2. 2.Ufficio ecologia del paesaggioBolzanoItaly
  3. 3.Dipartimento di Scienze Geologiche Ambientali e MarineUniversità degli Studi di TriesteTriesteItaly
  4. 4.Department of Chemistry and Evironmental ScienceNew Jersey Institute of TechnologyNewarkUSA

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