For the first time, Cuban scientists use the bio monitoring method with lichens to detect the content of heavy metals and other elements and their relation with other sources of relation emissions in Havana city.
The specialists from the Technological Applications and Nuclear Development (CEADEN) and the Ecological and Systematic Institute in the Cuban capital shows through their work, which was granted the National Prized of the Sciences Academy and the also Special Prize for its scientific relevance, some methodologies, data and results obtains for the first time.
There were 16 chemical elements which were studied and it was determined which was the proper species of Lichen for this work. It was also obtained an important volume of information of 181 points, 225 samples of Lichens and the three-year monitoring period.
Its results proved the applicability of the bio-monitoring technique for Lichens by finding that a 30% of the studied sites were not polluted, a 62% of them had a low pollution and an 8% had a moderate pollution. Those were some important data for the control of the different situations, along with the related results about the values of the lead.
The protection of the air is essential to guarantee the proper development of the society; hence, the importance about the related knowledge and prevention of the air pollution.
The prizes of the Sciences Academy of Cuba are granted since 1990. The important nation´s results achieved by local researches are acknowledged through them by encouraging the scientific creation, the visibility of the Cuban science as part of the national and world heritage, as well as its contribution to the social and economic development.
By Lucía Sanz Araujo