Abstract
In this chapter, the magnetic properties—magnetic susceptibility (χ), anhysteretic remanent magnetization (ARM), and saturation isothermal remanent magnetization (SIRM)—of two roadside plant leaves (Hibiscus rosa-sinensis and Mangifera indica) at four spatially distant sites were measured in order to compare their capability to accumulate particulate matter (PM). Further, the aim of this chapter was to assess PM pollution at selected sites and to establish the relationship between magnetic properties and PM in the city of an Indo-Burma hot spot region. The results indicated significant correlation between the concentration of ambient PM and magnetic measurement (χ, ARM and SIRM) of both the roadside plant leaves. Similarly, significant correlations between magnetic parameters (χ, ARM and SIRM) and Fe concentrations have been demonstrated. This chapter may be a novel contribution in the field of biomagnetic monitoring as the previous related studies focused mostly on temperate plants, concentrating on a single magnetic parameter, rather than the three that we selected. Our study concluded that biomagnetic monitoring as an application of environmental geomagnetism may act as proxy for ambient PM pollution and therefore as an ecosustainable tool for environmental management in urban and peri-urban regions.
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