Geoscience Reference
In-Depth Information
50
0
45
°
N
E
1000
Pb
ppm
S
45
1000
2000
3000
37 ° 40
0123 m
FIGURE 9.3.8 Lead concentration in sediments of the Mar Menor Lagoon. 28
estimated at about 450,000; together with the number of summer visitors approxi-
mately 748,211 people generated revenue of 198.4 million
. 31 The construction of
tourist facilities has grown in parallel with the seasonal population. New roads, one
of which connects Ciervo Island to La Manga, and highways surrounding the lagoon
have been constructed recently. Between 1937 and 1976 the built-up lagoon perimeter
increased from 12 to 54%, and to 56% in 1986 and 64% in 1994 ( Figure 9.3.9) . There
 
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