Tillandsia recurvata L. as a bioindicator of sulfur atmospheric pollution

Tillandsia recurvata L. is an epiphyte that absorbs nutrients from the air, so it could be used as a bioindicator of atmospheric sulfur pollution. In order to test this idea, Tillandsia recurvata samples were seasonally collected for two years at three sites of La Plata, Buenos Aires Province, Argen...

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Autores principales: Graciano, Corina, Fernández, Laura Virginia, Caldiz, Daniel O.
Formato: Articulo
Lenguaje:Inglés
Publicado: 2003
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/107961
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id I19-R120-10915-107961
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Agrarias
Tillandsia recurvata
Sulfur dioxide
Atmospheric pollution
Bioindicator
Dióxido de Azufre
Contaminación atmosférica
spellingShingle Ciencias Agrarias
Tillandsia recurvata
Sulfur dioxide
Atmospheric pollution
Bioindicator
Dióxido de Azufre
Contaminación atmosférica
Graciano, Corina
Fernández, Laura Virginia
Caldiz, Daniel O.
Tillandsia recurvata L. as a bioindicator of sulfur atmospheric pollution
topic_facet Ciencias Agrarias
Tillandsia recurvata
Sulfur dioxide
Atmospheric pollution
Bioindicator
Dióxido de Azufre
Contaminación atmosférica
description Tillandsia recurvata L. is an epiphyte that absorbs nutrients from the air, so it could be used as a bioindicator of atmospheric sulfur pollution. In order to test this idea, Tillandsia recurvata samples were seasonally collected for two years at three sites of La Plata, Buenos Aires Province, Argentina, in a suburban park and in a rural area 60 km away from the city. Macro- and microscopic observations were carried out and chlorophyll and sulfur concentrations of the tissue were measured to evaluate if this epiphyte shows morphological or physiological damage in the most polluted sites or if it accumulates sulfur in the tissues when sulfur in the air increases. No micro- or macroscopic damage was observed, and chlorophyll content seemed not to be related with pollution level. Samples from the rural site always had a lower sulfur content than those from the urban and suburban sites. In conclusion, Tillandsia recurvata tolerates the local level of sulfur contamination without showing morphological damage and could be a suitable bioindicator because of its capacity to accumulate sulfur.
format Articulo
Articulo
author Graciano, Corina
Fernández, Laura Virginia
Caldiz, Daniel O.
author_facet Graciano, Corina
Fernández, Laura Virginia
Caldiz, Daniel O.
author_sort Graciano, Corina
title Tillandsia recurvata L. as a bioindicator of sulfur atmospheric pollution
title_short Tillandsia recurvata L. as a bioindicator of sulfur atmospheric pollution
title_full Tillandsia recurvata L. as a bioindicator of sulfur atmospheric pollution
title_fullStr Tillandsia recurvata L. as a bioindicator of sulfur atmospheric pollution
title_full_unstemmed Tillandsia recurvata L. as a bioindicator of sulfur atmospheric pollution
title_sort tillandsia recurvata l. as a bioindicator of sulfur atmospheric pollution
publishDate 2003
url http://sedici.unlp.edu.ar/handle/10915/107961
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