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Article . 2011
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Flora alergógena urbana y polen atmosférico de Diamante (Argentina)

Authors: Latorre, Fabiana; Sánchez, Anabella A.;

Flora alergógena urbana y polen atmosférico de Diamante (Argentina)

Abstract

El polen del aire produce rinitis, conjuntivitis y asma, lo que lleva a una disminución en la calidad de vida. Las especies más abundantes de la vegetación son en general, las que aportan mayoritariamente al registro atmosférico de polen. Sin embargo, esta relación puede variar dependiendo de la cercanía de las fuentes y de la estrategia reproductiva de las plantas emisoras. En este trabajo realizado en la ciudad de Diamante (Entre Ríos, Argentina), se analizó la vegetación arbórea en cuanto a abundancia, diversidad, distribución territorial, tipo de polinización y potencialidad alergénica, para luego evaluar su relación con el polen que se registró en la atmósfera durante un ciclo anual, utilizando un método aerobiológico volumétrico y continuo bajo estándares internacionales. Se observó que la vegetación analizada presenta una gran diversidad. Los representantes de las familias más abundantes en la vegetación tienen polinización entomófi la, como Tabebuia impetiginosa y Tecoma stans. Por otra parte, el 34% de los árboles correspondió a familias de polinización anemófi la. Los árboles cercanos al muestreador aerobiológico (dentro de las áreas local y extralocal) son las principales fuentes de polen que contribuyen al espectro atmosférico, especialmente los árboles anemófi los. Entre ellos cabe mencionar: Fraxinus pennsylvanica, Ulmus procera y Broussonetia papyrifera. El polen de especies anemófi las en su mayoría tiene características alergénicas y son potencialmente perjudiciales para la salud. Los resultados obtenidos no sólo son importantes para ajustar el modelo aerobiológico de la ciudad, sino que sirven de fundamento para planifi car el arbolado urbano.

Airborne pollen produces rhinitis, conjunctivitis and asthma, leading to a decreased quality of life. In general, the most abundant vegetation species are also present in greater amounts in the pollen spectrum. However, this relationship can vary depending on the proximity of the sources and the plant reproductive strategy. Th is work was carried out in Diamante city (Entre Ríos, Argentina). Abundance, diversity, territorial distribution, type of pollination, and allergenic potential of vegetation were analyzed to fi nally assess the relationship with the pollen recorded in the atmosphere during one annual cycle. A volumetric and continuous aerobiological method under international protocols was used to sample the airborne pollen. It was observed that urban vegetation is diverse. Families more abundant in vegetation have insect-pollinated species as representatives: Tabebuia impetiginosa and Tecoma stans. On the other hand, 34% of the trees corresponded to wind-pollinated families. Th e trees near the aerobiological sampler (within local and extralocal areas) were the main pollen sources contributing to the atmospheric pollen spectrum, especially those wind-pollinated tree species as Fraxinus pennsylvanica, Ulmus procera and Broussonetia papyrifera. Pollen from wind-pollinated species is most likely to be allergenic and so, potentially harmful to health. Th e results are important not only to adjust the aerobiological model of the city, but also as a basis to plan urban forest.

Fil: Latorre, Fabiana. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Departamento de Biología; Argentina. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción; Argentina. Universidad Autonoma de Entre Rios. Facultad de Ciencia y Tecnologia. Departamento de Fisica.; Argentina

Fil: Sánchez, Anabella A.. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción; Argentina. Universidad Autonoma de Entre Rios. Facultad de Ciencia y Tecnologia. Departamento de Fisica.; Argentina

Country
Argentina
Keywords

vegetación urbana, https://purl.org/becyt/ford/3.3, alergenicidad, Atmospheric pollen content urban vegetation allergenicity, https://purl.org/becyt/ford/3, polen atmosférico

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green