Magnetic properties of Tillandsia recurvata L. and its use for biomonitoring a Mexican metropolitan area

Miranda, Ana G. Castañeda; Chaparro, Marcos A. E.; Böhnel, Harald

doi:10.1016/j.ecolind.2015.06.025

Cited by 26 publications

(19 citation statements)

References 44 publications

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“…Among other biomonitors, researchers have used lichens [19][20][21][22], mosses [23][24][25], Tillandsia spp. [26,27], tree leaves [28][29][30], and pine needles [31,32].…”

Section: Introductionmentioning

confidence: 99%

Magnetic biomonitoring of airborne particles using lichen transplants over controlled exposure periods

et al. 2019

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Lichens are able to retain airborne pollution-derived particles in their thalli for a long time, and therefore, their use in assessing atmospheric pollution may be suitable and beneficial. In this study, we transplanted species of Parmotrema pilosum in bags and exposed them to atmospheric pollutants at different sites over the course of 1 year. The exposed lichen retained anthropogenic ferrimagnetic Fe oxides that were identified and characterized by environmental magnetism methods, X-ray diffraction analysis (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). The ubiquitous magnetite, released by metallurgical factories and vehicular sources, had small grain sizes (< 0.1-1 μm) falling in the range of harmful particulate matter PM 2.5 and PM 1.0. According to the anhysteretic ratios (χ ARM /χ, ARM/SIRM), magnetic grain size tends to increase (ratios decrease) over time. Concentration-dependent magnetic parameters evidenced the cumulative presence of anthropogenic magnetite-like particles which reached high values during the study period, increasing from an initial mass-specific magnetic susceptibility χ value (mean ± S.D.) of 24.1 ± 5.0 × 10 −8 m 3 kg −1 to higher values up to 51.2 ± 23.0 × 10 −8 m 3 kg −1. Joint analysis of meteorological data and magnetic susceptibility indicated a magnetic enhancement (χ/χ initial) during the austral winter season when mean temperatures were lower; moreover, relative decreases in χ values after rainy periods are observed. This simple and low-cost methodology allowed us to study, in controlled exposure periods of 1-11 months, the ability of transplanted lichens to retain fine and ultrafine airborne particles that may have impacts on human health.

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“…Among other biomonitors, researchers have used lichens [19][20][21][22], mosses [23][24][25], Tillandsia spp. [26,27], tree leaves [28][29][30], and pine needles [31,32].…”

Section: Introductionmentioning

confidence: 99%

Magnetic biomonitoring of airborne particles using lichen transplants over controlled exposure periods

et al. 2019

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“…Magnetic biomonitoring studies have gained importance in the field of environmental magnetism in the last two decades, mainly because this technique has been used as a tool to study the changes in the pollution load in specific environments, such as urban areas, through magnetic measurements in a wide range of natural materials [1,2]. Concerning atmospheric pollution, some authors have demonstrated the importance of magnetic biomonitoring for determining particulate matter pollution levels in several cities in Central and South America [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

“…are widely distributed in America and many of the islands of the West Indies. These characteristics facilitate the study of their capacity as accumulator of different pollutants, such as toxic elements, particles, and magnetic minerals [3].…”

Section: Introductionmentioning

confidence: 99%

“…Properties of T. recurvata and T. capillaris as magnetic biomonitors of atmospheric pollution have been reported by [3] in Querétaro metropolitan area (México) and by [4] in Córdoba province (Argentina), respectively. Climatic conditions in those areas are different from AMVA, e.g., the average annual temperature in Querétaro is 18 • C and it has around 60 days a year with rain.…”

Section: Introductionmentioning

confidence: 99%

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Magnetic Biomonitoring as a Tool for Assessment of Air Pollution Patterns in a Tropical Valley Using Tillandsia sp.

et al. 2018

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Recently, air pollution alerts were issued in the Metropolitan Area of Aburrá Valley (AVMA) due to the highest recorded levels of particulate matter (PM2.5 and PM10) ever measured. We propose a novel methodology based on magnetic parameters and an epiphytic biomonitor of air pollution in order to improve the air pollution monitoring network at low cost. This methodology relies on environmental magnetism along with chemical methods on 185 Tillandsia recurvata specimens collected along the valley (290 km2). The highest magnetic particle concentrations were found at the bottom of the valley, where most human activities are concentrated. Mass-specific magnetic susceptibility (χ) reaches mean (and s.d.) values of 93.5 (81.0) and 100.8 (64.9) × 10−8 m3 kg−1 in areas with high vehicular traffic and industrial activity, while lower χ values of 27.3 (21.0) × 10−8 m3 kg−1 were found at residential areas. Most magnetite particles are breathable in size (0.2–5 μm), and can host potentially toxic elements. The calculated pollution load index (PLI, based on potentially toxic elements) shows significant correlations with the concentration-dependent magnetic parameters (R = 0.88–0.93; p < 0.01), allowing us to validate the magnetic biomonitoring methodology in high-precipitation tropical cities and identify the most polluted areas in the AVMA.

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“…Bajpai 2013;Chaparro et al 2013), plants (e.g. Castañeda Miranda et al 2016), tree leaves and needles (e.g. Jordanova et al 2010;Hansard et al 2012).…”

Section: Introductionmentioning

confidence: 99%

Moss bag (Sphagnum papillosum) magnetic and elemental properties for characterising seasonal and spatial variation in urban pollution

Salo

Paturi

Mäkinen

2016

Int. J. Environ. Sci. Technol.

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This study investigates the seasonal and spatial variation of traffic-induced particle matter in order to evaluate the pollutant distribution and the representativeness of the single air quality monitoring station in the city centre of Turku, southwest Finland. Study focused on parks, kindergarten and school yards as well as heavily trafficked sites. Sampling was done using active magnetic biomonitoring, which is highly applicable in polluted areas lacking native species. Sphagnum papillosum moss bags were exposed separately in road dust period, which is experienced after snow melt and the resuspension of sanding material in spring, and summer season for about 60 days in 2013. Moss bags are magnetically and elementally (e.g. Al, Cr, Fe, Na, Ni, Pb) more enriched in road dust period and near heavily trafficked sites than in summer season and in the courtyard or park sites. Magnetic properties indicate that particle matter is composed of finegrained pseudo-single-domain magnetite towards superparamagnetic-single-domain grain sizes. Intensive road dust period overrides the variation of prevailing conditions as indicated by three paired samples showing finer grain sizes and higher element levels in courtyard/park sites than in traffic sites in summer. The results emphasise the effectiveness of active magnetic biomonitoring for the assessment of spatially representative air quality monitoring stations and related modelling approaches.

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Magnetic properties of Tillandsia recurvata L. and its use for biomonitoring a Mexican metropolitan area

Cited by 26 publications

References 44 publications

Magnetic biomonitoring of airborne particles using lichen transplants over controlled exposure periods

Magnetic biomonitoring of airborne particles using lichen transplants over controlled exposure periods

Magnetic Biomonitoring as a Tool for Assessment of Air Pollution Patterns in a Tropical Valley Using Tillandsia sp.

Moss bag (Sphagnum papillosum) magnetic and elemental properties for characterising seasonal and spatial variation in urban pollution

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