Importance of posidonia oceanica

The water in the picture above seems polluted, considering those dead leaves. But it is not the case, as it is not polluted. It's clean. Posidonia oceanica is a seagrass that constitutes extensive meadows throughout virtually the whole Mediterranean sea. And the accumulation of Posidonia oceanica dead leaves on the beaches of the Mediterranean shores represents a valuable resource. 

The presence of Posidonia Oceanica's dead leaves on the beaches of the Mediterranean sea is a natural phenomenon, which indicates high-quality marine coastal environment.  In addition,  it also has a protective role.

The mechanical removal may affect the integrity of the beach ecosystem, due to the fact that it can lead to a loss of sediment and coastal erosion.

In Mallorca (Spain) and Sardinia (Italy) we saw a severe impact on the beach profiles due to the mechanical removal and displacement of the posidonia beach-dune system.

Last month I took the five pictures above along Italian beaches located in Central Italy. 

The picture  below of underwater posidonia oceanica had been downloaded from the internet (It has no copyright).

Local administrations across the whole Mediterranean sea are often the only body responsible for the management of the seagrass beach casts. 

The last picture just above reminds me that people who own houses so close to the see are very lucky.