Bio-indicators in the monitoring of environmental pollution |
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Authors: | Giorgio Celli |
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Affiliation: | (1) Istituto di Entomologia «G. Grandi», University of Bologna, Via Filippo Re, 6-I-40126 Bologna, Italy |
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Abstract: | Summary Surveying the chemical pollution status of a given area is increasingly becoming the task of biological indicators, ie animal and plant organisms capable of providing us with the necessary data. For example, in the wake of certain contaminations, they may increase or decrease in number, vary population proportions in relation to given traits, become vectors of certain toxic molecules or heavy metals, or accumulate them in their bodies or in their «products». The advantage of bioindicators over chemical or physical detectors is their ability to supply extensive — both spatially and temporally —rather than limited and instantaneous data, thus making such information more representative. In many instances the bioindicator takes samples for us-a service that is undoubtedly valuable even though it must be linked to a sound knowledge of the organism's ethogram and biology so as to arrive at a scientifically legitimate interpretation of the data provided. |
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Keywords: | bioindicators environmental pollution monitoring |
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