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Anthropogenic pressures cause different impacts in different coastal environments due to special features of habitats (Viles and Spencer 1995:13). Those are also a major source of food and raw materials, and a vital link for transport and trade.  Some of our most valuable habitats as well the most favoured destinations for our leisure time are in the coastal zones. Coastal zones are facing serious problems due to a number of human pressures, such as water contamination, coastal erosion, habitat destruction and resource depletion.

The importance of coastal tourism in a country implies an interest in the maintenance of beaches (Figure 1b, c) (DEDUCE, 2011).

Human are causing hydromorphological changes in the coastal zone that are both due to pressures in the marine as well as in the terrestrial side of the coastal zone. Hydromorphological changes, such as construction of harbours, urban dwelling and developments, underwater constructions for energy activities, dredging for navigation as well as abstraction of gravel and other materials from the sea bed are leading to increasingly frequent conflict between uses, such as between nature protection and development for urban dwellings and other human activities.