Monitoring Coastal Morphological Changes
513
a)
b)
increased fishing activity in Isla Cristina and the problems of maintaining a
fixed frontier with Portugal in the late 1970s led to the construction of a
system of jetties at the outlets of the Guadiana and Carreras which have had a
major impact on longshore sediment transfer
development of tourist resort facilities has passed through two phases: a
localized development in La Antilla in the 1970s and 1980s, followed in the
1990s by the creation of a major complex at Isla Antilla with associated golf
courses and the proliferation of camping sites. For these sites the nearest
beach is in the study area and the shortest way is over the dunes