Different species of Tillandsia can be biomonitors of carbon and nitrogen emissions: the case of a tropical metropolitan area in Mexico

IF 2.4 4区 生物学 Q2 PLANT SCIENCES
Paula E. Tirado-Zamora, Yareni Perroni, Edison A. Díaz−Álvarez
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引用次数: 0

Abstract

Air pollution affects human health and ecosystems all over the world. However, little attention is paid to its monitoring in tropics, mainly due to the high costs of automated monitoring systems. Biomonitoring may be an alternative, particularly for species of Tillandsia genus, although most species are not yet calibrated for this purpose. Therefore, 1) to determine the biomonitoring potential of T. juncea and T. schiedeana and, 2) to compare the sources and magnitudes of atmospheric pollutants at five urban parks and one rural site in a tropical metropolitan area in Mexico, we measured the elemental and isotopic composition of carbon and nitrogen of four Tillandsia species. Carbon content was consistent across sites and species with no differences. The nitrogen content showed a clear trend of increasing from rural to urban areas, with significantly higher values observed in urban environments. The more negative δ13C values were recorded in urban parks, while less negative values were recorded in rural areas, reflecting differences in environmental CO₂ sources. Similarly, δ15N values were more negative in rural sites and shifted toward positive values in urban areas, showing the influence of anthropogenic nitrogen sources. These highlight the different environmental conditions across the rural and urban landscape. The four species can be used as biomonitors of C and N emissions, since their specific variations reflect the source and concentration of these atmospheric pollutants. Furthermore, the tillandsias showed that pollution in the metropolitan area is different depending on the activity at each site.

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来源期刊
Acta Physiologiae Plantarum
Acta Physiologiae Plantarum 生物-植物科学
CiteScore
5.10
自引率
3.80%
发文量
125
审稿时长
3.1 months
期刊介绍: Acta Physiologiae Plantarum is an international journal established in 1978 that publishes peer-reviewed articles on all aspects of plant physiology. The coverage ranges across this research field at various levels of biological organization, from relevant aspects in molecular and cell biology to biochemistry. The coverage is global in scope, offering articles of interest from experts around the world. The range of topics includes measuring effects of environmental pollution on crop species; analysis of genomic organization; effects of drought and climatic conditions on plants; studies of photosynthesis in ornamental plants, and more.
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