By Luisa M Martínez, Juan B. Gallego-Fernández, Patrick A. Hesp
The regularly transforming into human inhabitants alongside the world’s coasts will exacerbate the impression of human actions on all coastal environments. recovery actions will hence develop into more and more very important. particularly, sandy beaches and coastal dunes would require major recovery efforts simply because they're most well-liked websites for human cost, commercial and concrete improvement and tourism.
With this publication specialists within the box current a finished evaluation of recovery stories and actions, the place ‘successful’ and ‘failed’ stories or techniques from all over the world are contrasted and in comparison. an enormous asset the booklet presents is a compendium of reports exhibiting that coastal dune recovery has many definitions and therefore results in many various activities.
This quantity addresses people with an curiosity in conservation ecology and biology, coastal dune dynamics and geomorphology, and coastal administration who're looking info at the diversified suggestions for coastal dune recovery utilized in several areas of the realm. ultimately, will probably be a useful source for coastal scientists and planners, in addition to for neighborhood and country officers, citizens of coastal groups, environmental advocates and developers.
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In: Davidson-Arnott RGD (ed) Proceedings of the symposium on coastal sand dunes. National Research Council Canada, Ottawa, pp 389–403 2 Foredune Restoration 29 Breton F, Esteban P, Miralles E (2000) Rehabilitation of metropolitan beaches by local administrations in Catalonia: new trends in sustainable coastal management. J Coast Conserv 6:97–106 Castillo SA, Moreno-Casasola P (1996) Coastal sand dune vegetation: an extreme case of species invasion. J Coast Conserv 2:13–22 Coastal Engineering Research Center (CERC) (1984) Shore protection manual.
The characteristics of beach fill and the design elevation of the berm crest influence the likelihood of aeolian transport and delivery of sand to the dune. The removal of finer sands from poorly sorted fill sediment can leave a coarser shell or gravel lag surface that resists subsequent aeolian transport (Psuty and Moreira 1992; van der Wal 1998). Storm reworking of the backshore can replenish the finer sand and initiate new cycles of increased aeolian transport, but the elevation of the nourished beach must be low enough to allow storm wave run-up to occur on the backshore.
Zig-zag fences can create wider dunes with more undulating crest lines and more gently sloping dune faces that are closer to the shapes of natural dunes (Snyder and Pinet 1981). Paired fences can create a broader based foredune with a rounded crest that can look more natural (Schwendiman 1977). Side spurs perpendicular to straight alongshore alignments can increase trapping rates in locations of strong longshore winds. Multiple lifts of fences can create a higher dune with much greater volume than single lifts (CERC 1984; Mendelssohn et al.