Assessment of Moss Species as Biomonitors Of Atmospheric Pollutants in Some Towns of North-western Nigeria

Description

– Assessment of Moss Species as Biomonitors Of Atmospheric Pollutants in Some Towns of North-western Nigeria –

Download Assessment of Moss Species as Biomonitors Of Atmospheric Pollutants in Some Towns of North-western Nigeria. Botany students who are writing their projects can get this material to aid their research work.

Abstract

The development of industry, urbanization and increase in vehicular emissions in Nigeria has resulted in the contamination of the environment by heavy metals and other pollutants.

Air borne heavy metals and other pollutants (including NOX and SO2) enter the ecosystem where they circulate and, depending on their concentration and toxicity, pose a greater or smaller threat to the components of these ecosystems.

Thus, this work is designed to study the use of moss species as bio monitors of air pollutants in some towns of North-West Nigeria.

Moss sampling was carried out during the dry and wet seasons from various substrates. The distribution/occurrence of the plants on the various substrates was calculated.

Introduction

Air pollution has become a matter of global concern, particularly in developing countries, mainly due to various anthropogenic activities.

Significant contribution of air pollution to the diminished health status of the exposed human populations, forest decline, loss of agricultural productivity, etc., has been a cause of increasing public concern throughout the world (Smodis, 2003).

According to Markert et al. (2003), the environment through human activity has been confronted with totally new substances that did not previously exist (xenobiotics, many radionuclides) and potentially harmful substances released in quantities unthinkable in the past (heavy metals, natural radionuclides).

Therefore, it has become a topic of intense scientific, governmental and industrial interest. The quick development of industry, motor transport and urbanization caused a dramatic increase in dust emissions containing heavy metals.

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