Artículo
Abstract:
The atmospheric quality and distribution of heavy metals were evaluated throughout a wide region of Argentina. In addition, the biomonitor performance of Tillandsia capillaris Ruiz & Pav. f. capillaris was studied in relation to the accumulation of heavy metals and to its physiologic response to air pollutants. A sampling area of 50,000 km2 was selected in the central region of the Argentine Republic. This area was subdivided into grids of 25×25 km. Pools of T. capillaris, where present, were collected at each intersection point. From each pool three sub-samples were analyzed independently. Furthermore, five replicates were collected at 20% of the points in order to analyze the variability within the site. The content of Co, Cu, Fe, Ni, Mn, Pb and Zn was determined by Atomic Absorption Spectrometry. Chemical-physiological parameters were also determined to detect symptoms of foliar damage. Chlorophylls, phaeophytins, hydroperoxy conjugated dienes, malondialdehyde and sulfur were quantified in T. capillaris. Some of these parameters were used to calculate a foliar damage index. Data sets were evaluated by one-way ANOVA, correlation analysis, principal component analysis and mapping. Geographical distribution patterns were obtained for the different metals reflecting the contribution of natural and anthropogenic emission sources. According to our results it can be inferred that Fe, Mn and Co probably originated in the soil. For Pb, the highest values were found in the mountainous area, which can be attributed to the presence of Pb in the granitic rocks. Ni showed mainly an anthropogenic origin, with higher values found in places next to industrial centers. For Zn the highest values were in areas of agricultural development. The same was observed for Cu, whose presence could be related to the employment of pesticides. The foliar damage index distribution map showed that the central and southeastern zones were the ones where the major damage in the bioindicator was found. The central zone coincides with the city of Córdoba whereas the southeastern area is strictly agricultural, so the high values found there could be related to the use of pesticides. © 2002 Elsevier Science Ltd. All rights reserved.
Registro:
| Documento: | Artículo |
| Título: | Atmospheric quality and distribution of heavy metals in Argentina employing Tillandsia capillaris as a biomonitor |
| Autor: | Pignata, M.L.; Gudio, G.L.; Wannaz, E.D.; Plá, R.R.; González, C.M.; Carreras, H.A.; Orellana, L. |
| Filiación: | Cátedra de Química General, Facultad de Ciencias Exactas, Universidad Nacional de Córdoba, Avda Velez Sarsfield 299, 5000 Córdoba, Argentina Comisión Nacional de Energía Atómica (CNEA), Unidad Radioquímica, Avda Libertador 8250, 1429 Buenos Aires, Argentina Instituto de Cálculo, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón 2, Buenos Aires, Argentina Instituto Multidisciplinario de Biología Vegetal (IMBIV), Avda Velez Sarsfield 299, 5000 Córdoba, Argentina |
| Palabras clave: | Argentina; Biomonitoring; Chemical parameters; Elemental content; Tillandsia capillaris; Air quality; Aldehydes; Chlorophyll; Heavy metals; Pesticides; Principal component analysis; Spectrometry; Biomonitors; Air pollution; alkadiene; chlorophyll; cobalt; copper; heavy metal; iron; lead; malonaldehyde; manganese; nickel; pesticide; pheophytin; sulfur; zinc; heavy metal; atomic absorption spectroscopy; biomonitoring; heavy metal; physiological response; air monitoring; air pollutant; air pollution indicator; air quality; analysis of variance; Argentina; atomic absorption spectrometry; biological monitoring; conference paper; correlation analysis; geographic distribution; granite; leaf litter; nonhuman; plant; plant damage; principal component analysis; sampling; soil pollution; agriculture; article; chemistry; drug effect; environmental monitoring; geology; methodology; plant leaf; pollutant; soil pollutant; Tillandsia; Agriculture; Argentina; Environmental Monitoring; Environmental Pollutants; Geology; Metals, Heavy; Pesticides; Plant Leaves; Soil Pollutants; Spectrophotometry, Atomic Absorption; Support, Non-U.S. Gov't; Tillandsia; Agriculture; Argentina; Geology; Pesticides; Plant Leaves; Soil Pollutants; Spectrophotometry, Atomic; Argentina; Argentina (fish); Tillandsia |
| Año: | 2002 |
| Volumen: | 120 |
| Número: | 1 |
| Página de inicio: | 59 |
| Página de fin: | 68 |
| DOI: | http://dx.doi.org/10.1016/S0269-7491(02)00128-8 |
| Título revista: | Environmental Pollution |
| Título revista abreviado: | Environ. Pollut. |
| ISSN: | 02697491 |
| CODEN: | ENPOE |
| CAS: | Soil Pollutants; Environmental Pollutants; Metals, Heavy; Pesticides |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02697491_v120_n1_p59_Pignata |
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Citas:
---------- APA ----------
Pignata, M.L., Gudio, G.L., Wannaz, E.D., Plá, R.R., González, C.M., Carreras, H.A. & Orellana, L. (2002) . Atmospheric quality and distribution of heavy metals in Argentina employing Tillandsia capillaris as a biomonitor. Environmental Pollution, 120(1), 59-68.http://dx.doi.org/10.1016/S0269-7491(02)00128-8
---------- CHICAGO ----------
Pignata, M.L., Gudio, G.L., Wannaz, E.D., Plá, R.R., González, C.M., Carreras, H.A., et al. "Atmospheric quality and distribution of heavy metals in Argentina employing Tillandsia capillaris as a biomonitor" . Environmental Pollution 120, no. 1 (2002) : 59-68.http://dx.doi.org/10.1016/S0269-7491(02)00128-8
---------- MLA ----------
Pignata, M.L., Gudio, G.L., Wannaz, E.D., Plá, R.R., González, C.M., Carreras, H.A., et al. "Atmospheric quality and distribution of heavy metals in Argentina employing Tillandsia capillaris as a biomonitor" . Environmental Pollution, vol. 120, no. 1, 2002, pp. 59-68.http://dx.doi.org/10.1016/S0269-7491(02)00128-8
---------- VANCOUVER ----------
Pignata, M.L., Gudio, G.L., Wannaz, E.D., Plá, R.R., González, C.M., Carreras, H.A., et al. Atmospheric quality and distribution of heavy metals in Argentina employing Tillandsia capillaris as a biomonitor. Environ. Pollut. 2002;120(1):59-68.http://dx.doi.org/10.1016/S0269-7491(02)00128-8
