Abstract
The city of Sao Paulo, state of Sao Paulo/Brazil, with about 12 million inhabitants is considered the largest city in Latin America. Just as in other large metropolises it is devoid of green areas, in this way it is of great socio-environmental importance of the preservation and maintenance of parks and green areas of the municipality. The Fernando Costa Park, known as the Parque da agua Branca, is an urban park located in the central region of the Municipality of S?o Paulo, and has more than 79 thousand m2 of green area, in a total area of 137 thousand m2. Two lakes, populated predominantly with carp, are inserted in the Park, and are important components of the urban landscape and the patrimony of the city, present landscape function (scenic beauty) and are used to contemplate the environment and leisure of the population. The lakes due to the intense eutrophication process with uncontrolled growth of the phytoplankton presented blue-green coloration, with formations of lumps and foams, low transparency, bad smell and unpleasant visual aspect impairing the visitation of this place. In the first stage of the present research, an environmental diagnosis was carried out and the second stage involved elaboration and implementation of mitigating measures aiming at its restoration. The recovery proposal included the implementation of Artificial Floating Islands (IFAs) aiming at pollution control. After 60 days, it was possible to observe the efficiency of the Eichhornia crassipes populated islands showing that the methodology of phytoremediation was efficient in controlling the eutrophication of urban lakes, guaranteeing the recovery and conservation of the scenic beauty of these places.
Highlights
The city of São Paulo, state of São Paulo/Brazil, with about 12 million inhabitants is considered the largest city in Latin America [1]
Just as in other large metropolises it is devoid of green areas, in this way it is of great socio-environmental importance of the preservation and maintenance of parks and green areas of the municipality
The artificial floating vegetation islands (AFVIs) and built wetlands have been used as eco-engineering technology to mitigate eutrophication and improve water quality by generating little secondary pollution compared to chemical and physical treatment of nutrients [6] [7]
Summary
The city of São Paulo, state of São Paulo/Brazil, with about 12 million inhabitants is considered the largest city in Latin America [1]. The objective of the present research was to implant the Artificial Floating Islands (AFIs) technology as a measure of the recovery of the scenic beauty of the landscape of urban lakes located in the Água Branca Park in the city of São Paulo, Brazil, used to contemplate the environment and leisure of the population. This is because the waters of these lakes have a bluish green coloration, with some formations of lump and foam compromising the contemplation of the scenic beauty of the lakes by the public (Figure 1)
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