Lichens as Bioindicators of Air Quality in Distant Areas in Patagonia (Argentina)

Calvelo, Susana; Baccalá, Nora; Liberatore, Sandra

doi:10.1080/15555270902963459

Cited by 18 publications

(15 citation statements)

References 18 publications

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“…The index of atmospheric purity (IAP) (LEBLANC & DE SLOOVER, 1970;GARTY, 2001;CALVELO & al., 2009;MCCARTHY & al., 2009) makes it possible to map the air quality of a determined area. The method evaluates the level of atmospheric pollution, based on the number (n), coverage frequency (f) and tolerance of the lichens in the study area.…”

Section: Index Of Atmospheric Puritymentioning

confidence: 99%

“…En general, estos resultados sugieren que el índice de pureza atmosférica y la evaluación de los metales pesados en los talos de liquen son buenos indicadores de la calidad del aire en las poblaciones estudiadas. (CALVELO & al., 2009) and can determine local air quality patterns on the basis of their sensitivity (HAWKSWORTH & ROSE, 1970;CUNY, 2012;EVJU & BRUTEIG, 2013). Epiphytic lichens are very sensitive to air pollution.…”

Section: Introductionunclassified

“…In addition to floristic changes, lichens have been widely used to monitor the deposition patterns of heavy metals. A comparison of the elemental composition of the thalli from isolated sites can reveal different levels of accumulation of certain elements, thereby providing clues to the sources of pollution (CALVELO & al., 2009). They integrally reflect the environmental influence and are one of the best tools for assessing heavy metal contamination (VAN DOVEN & TER BRAAK 1999;SHUKLA & UPRETI 2007, 2008BAJPAI & al., 2004BAJPAI & al., , 2010RANI & al., 2011).…”

Section: Introductionmentioning

confidence: 99%

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Biomonitoring of air pollutants by using lichens (Evernia prunastri) in areas between Kenitra and Mohammedia cities in Morocco.

Rhzaoui¹,

Divakar

Crespo

et al. 2015

Lazaroa

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In this study, Evernia prunastri, a lichen growing in its natural habitat in Morocco was analysed for the concentration of five heavy metals (Fe, Pb, Zn, Cu and Cr) from eleven sites between Kenitra and Mohammedia cities. The control site was Dar Essalam, an isolated area with low traffic density and dense vegetation. In the investigated areas, the concentration of heavy metals was correlated with vehicular traffic, industrial activity and urbanization. The total metal concentration was highest in Sidi Yahya, followed by Mohammedia and Bouznika. The coefficient of variation was higher for Pb and lower for Cu, Zn and Fe. The concentrations of most heavy metals in the thalli differed significantly between sites (p<0.01). Principal component analysis (PCA) revealed a significant correlation between heavy metal accumulation and atmospheric purity index. This study demonstrated also that the factors most strongly affecting the lichen flora were traffic density, the petroleum industry and paper factories in these areas. Overall, these results suggest that the index of atmospheric purity and assessment of heavy metals in lichen thalli are good indicators of the air quality at the studied sites.

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Section: Index Of Atmospheric Puritymentioning

confidence: 99%

Section: Introductionunclassified

Section: Introductionmentioning

confidence: 99%

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Biomonitoring of air pollutants by using lichens (Evernia prunastri) in areas between Kenitra and Mohammedia cities in Morocco.

Rhzaoui¹,

Divakar

Crespo

et al. 2015

Lazaroa

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“…Nevertheless, in South America, this early stage of air quality analysis with bioindicators studies has not been well developed. Relatively few works have been carried out in urban areas and concerned communities (Anze et al 2007;Calvelo et al 2009;Estrabou 1998;Martins et al 2008).…”

Section: Introductionmentioning

confidence: 99%

Air quality monitoring system using lichens as bioindicators in Central Argentina

Estrabou

Filippini

Soria

et al. 2011

Environ Monit Assess

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Air quality studies with bioindicators have not been well developed in South America. In the city of Córdoba, there are not permanent air pollutant measurements by equipment. In order to develop an air quality biomonitoring system using lichens, we applied a systematic sampling in the city of Córdoba, Argentina. A total of 341 plots were sampled in the area of the city which is a square of 24 × 24 km. In each sample plot we selected three phorophytes and estimated the frequency and cover of lichen species growing at 1.5 m on trunks. We also calculated the Index of Atmospheric Purity (IAP) using lichen frequencies. Maps with number of lichen species, cover values, and IAP were performed. The lichen community was described with nine species where Physcia undulata and Physcia endochryscea were the most frequent. Moreover, these two species were dominant in the community with the highest cover index. The central area of the city is considered a lichen desert with poor air quality. The southeast and northwest areas of the city showed the highest IAP values and number of species. In general, the city shows fair air quality and few areas with good and very good air quality.

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“…A maior riqueza (número total de espécies liquênicas ocorrentes nos forófi tos analisados em cada estação) de espécies encontrada neste estudo demonstra uma adaptabilidade da micobiota liquenizada perante as condições ambientais dos grandes centros urbanos, incluindo fatores como luminosidade, umidade, tipo de forófi ta, assim como a poluição atmosférica. Trabalhos realizados em regiões urbano-industriais reportam baixa riqueza e diversidade de espécies para áreas similares (Scutari & Th einhardt 2001;Gobert et al 2004;Saipunkaew et al 2007;Calvelo et al 2009).…”

Section: Resultsunclassified

Caracterização da comunidade liquênica corticícola de Porto Alegre e áreas adjacentes, RS, Brasil

et al. 2011

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Liquens são organismos em simbiose que habitam os mais diversos ambientes, entretanto em regiões urbanizadas a comunidade liquênica pode ser modificada devido à influência de fatores antrópicos. O objetivo deste trabalho é analisar a composição da comunidade liquênica corticícola na cidade de Porto Alegre e áreas adjacentes, assim como verificar a freqüência, cobertura e valor de importância dos táxons, apresentando uma chave de identificação para as espécies urbanas. Foram analisadas 300 forófitas distribuídas em 30 estações de amostragem divididas em 33 bairros da cidade. Foram registrados 144 táxons liquênicos com prováveis três novos registros para a ciência e dois novos registros para o Estado do Rio Grande do Sul. As espécies mais importantes na comunidade foram Canoparmelia texana (Tuck.) Elix & Hale e Dirinaria picta (Sw.) Schaer. ex Clem, as quais apresentaram os maiores valores de importância, freqüência e cobertura. O grande número de táxons encontrados nas áreas analisadas representa uma contribuição significante para as pesquisas na área da liquenologia, principalmente por serem utilizados em programas de monitoramento da qualidade do ar, bem como para avaliar a estrutura de ecossistemas florestais.

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Lichens as Bioindicators of Air Quality in Distant Areas in Patagonia (Argentina)

Cited by 18 publications

References 18 publications

Biomonitoring of air pollutants by using lichens (Evernia prunastri) in areas between Kenitra and Mohammedia cities in Morocco.

Biomonitoring of air pollutants by using lichens (Evernia prunastri) in areas between Kenitra and Mohammedia cities in Morocco.

Air quality monitoring system using lichens as bioindicators in Central Argentina

Caracterização da comunidade liquênica corticícola de Porto Alegre e áreas adjacentes, RS, Brasil

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