Topic
Dredging
About: Dredging is a research topic. Over the lifetime, 3300 publications have been published within this topic receiving 28325 citations.
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01 Jan 2005
TL;DR: Yeaes et al. as discussed by the authors analyzed both intensive and extensive tourism models in Spanish coastal areas and concluded that from the economic as well as the environmental perspective, intensive tourism models are more efficient than extensive ones.
Abstract: YEPES, V. and MEDINA, J. R., 2005. Land Use Tourism Models in Spanish Coastal Areas. A Case Study of the Valencia Region. Journal of Coastal Research, SI 49 (Proceed ings of the 2 nd Meeting in Marine Sciences), 83 – 88 Valencia -– Spain, ISSN 0749-0208 The “sun and beach” tourist product is of major economic importance in Spain and particularly in the region of Valencia. Beaches are natural fragile resources that cont ribute greatly to a country’s economic productivity. In this paper, intensive and extensive tourism models are analyzed, concluding that from the economic as well as the environmental perspective, intensive tourism models are more efficient than extensive ones. The generalized erosion problem of the Valencia coastline is described and three fundamental causes are examined: damming, port breakwaters and urban development. “Beach sand” and “littoral space” are identified as critical natural resources limiting future economic development of the coastal areas. Restoration of the natural fluvial coarse sediment drift together with reservoir dredging and sediment bypassing in dams are considered essential for the sustainability of beaches. After restoring natural coastal sediments, it will be necessary to install sand bypasses in ports along the coast. Beach nourishment projects based on marine and fluvial deposits may contribute to solving local, specific erosion problems in the short -term.
52 citations
TL;DR: In this paper, the results of three studies are used to discuss patterns in recovery of the benthic community after a disturbance, and survival, migration and recruitment may all contribute to the recovery.
Abstract: In the Netherlands marine sands are increasingly used for coastal protection and land infra-structural works. Both sand extraction and coastal nourishment cause disturbances of the seabed and its ecological functions. The results of three studies are used to discuss patterns in recovery of the benthic community. Survival, migration and recruitment may all contribute to the recovery of the benthic community after a disturbance. Following such an event a short-term opportunistic response was observed followed by an almost complete recovery of community composition and structure after four years.
52 citations
TL;DR: Dredging operations in a Swedish estuary reduced the number and diversity of benthic species and the larval recruitment in the vicinity of the dredged area was strongly affected, with an overall increase in concentrations of Hg, Cd, Zn, Cu, Pb and Ni.
51 citations
01 Jan 2005
51 citations
51 citations