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plant volatiles in remnants of Atlantic Forest under the antropogenic influence


In São Paulo, despite intense fragmentation that occurred in recent decades, there are still important remnants of forest, particularly in the areas of Serra do Mar, which cover part of the Brazilian Atlantic Forest. However, the process of disturbed and chaotic urban growth in the metropolitan region of São Paulo (MRSP) has taken gradual removal of vegetation, remaining few remnants forests. These urban forest have great importance in maintaining the quality of the environment and, therefore, would be expected that the human impact was increasingly reduced. In contrast, it has been observed that these remnants are constantly affected by various abiotic agents leading to degradation of the vegetation, including air pollution. Among the most phytotoxic pollutants, there is ozone (O3) that is present in concentrations of risk to ecosystems. O3 can induce the production of volatile organic compounds from plants. The volatiles have a key role in chemical and biological functions of the environment, especially they actively participate in atmospheric chemistry, producing secondary aerosol particles and allowing a buildup of ozone. Thus, it is believed that high ozone concentrations found in forest remnants in the metropolitan area of São Paulo is a consequence of the emission of plant volatiles induced by ozone itself. Therefore, the role of plant volatiles in the atmosphere in urban forest need to be elucidated. In this sense, it is proposed here characterize the emissions and distribution of plants volatile present in the urban forests and green areas of the metropolitan region of São Paulo so that to support ozone models which are essential for implementation of public policies appropriate to improvement of air quality. (AU)

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
VANESSA PALERMO BOLSONI; DÉBORA PINHEIRO DE OLIVEIRA; GISELLE DA SILVA PEDROSA; SILVIA RIBEIRO DE SOUZA. Variação dos compostos orgânicos voláteis (COV) de Croton floribundus (L.) Spreng. às condições ambientais e concentração de ozônio em floresta urbana de São Paulo, SP, Brasil. Hoehnea, v. 45, n. 2, p. 184-191, . (12/11663-8, 16/25109-3)
DÉBORA PINHEIRO-OLIVEIRA; GISELLE DA SILVA PEDROSA; SILVIA RIBEIRO DE SOUZA. Resposta temporal diferencial de voláteis induzidos por herbivoria (HIPVs) em Croton floribundus Spreng. (Euphorbiaceae). Hoehnea, v. 50, . (12/11663-8, 16/25109-3)
DOS SANTOS, TAILINE C.; DOMINUTTI, PAMELA; PEDROSA, GISELLE S.; COELHO, MONIQUE S.; NOGUEIRA, THIAGO; BORBON, AGNES; SOUZA, SILVIA R.; FORNARO, ADALGIZA. Isoprene in urban Atlantic forests: Variability, origin, and implications on the air quality of a subtropical megacity. Science of The Total Environment, v. 824, p. 14-pg., . (16/25109-3, 17/50278-6, 15/50128-9)
MOURA, BARBARA BAESSO; BOLSONI, VANESSA PALERMO; DE PAULA, MONICA DIAS; DIAS, GUSTAVO MUNIZ; DE SOUZA, SILVIA RIBEIRO. Ozone Impact on Emission of Biogenic Volatile Organic Compounds in Three Tropical Tree Species From the Atlantic Forest Remnants in Southeast Brazil. FRONTIERS IN PLANT SCIENCE, v. 13, p. 13-pg., . (16/25109-3)

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