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Proc K, Bulak P, Kaczor M, et al. A New Approach to Quantifying Bioaccumulation of Elements in Biological Processes. Biology (Basel). 2021;10(4)doi: 10.3390/biology10040345.
Proc, K., Bulak, P., Kaczor, M., & Bieganowski, A. (2021). A New Approach to Quantifying Bioaccumulation of Elements in Biological Processes. Biology, 10(4), . https://doi.org/10.3390/biology10040345
Proc, Kinga, et al. "A New Approach to Quantifying Bioaccumulation of Elements in Biological Processes." Biology vol. 10,4 (2021). doi: https://doi.org/10.3390/biology10040345
Proc K, Bulak P, Kaczor M, Bieganowski A. A New Approach to Quantifying Bioaccumulation of Elements in Biological Processes. Biology (Basel). 2021 Apr 20;10(4). doi: 10.3390/biology10040345. PMID: 33923892; PMCID: PMC8074188.
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Biology (Basel). 2021 Apr 20;10(4). doi: 10.3390/biology10040345.

A New Approach to Quantifying Bioaccumulation of Elements in Biological Processes.

Biology

Kinga Proc, Piotr Bulak, Monika Kaczor, Andrzej Bieganowski

Affiliations

  1. Institute of Agrophysics, Polish Academy of Sciences, Do?wiadczalna 4, 20-290 Lublin, Poland.

PMID: 33923892 PMCID: PMC8074188 DOI: 10.3390/biology10040345

Abstract

Bioaccumulation, expressed as the bioaccumulation factor (BAF), is a phenomenon widely investigated in the natural environment and at laboratory scale. However, the BAF is more suitable for ecological studies, while in small-scale experiments it has limitations, which are discussed in this article. We propose a new indicator, the bioaccumulation index (BAI). The BAI takes into account the initial load of test elements, which are added to the experimental system together with the biomass of the organism. This offers the opportunity to explore the phenomena related to the bioaccumulation and, contrary to the BAF, can also reveal the dilution of element concentration in the organism. The BAF can overestimate bioaccumulation, and in an extremal situation, when the dilution of element concentration during organism growth occurs, the BAF may produce completely opposite results to the BAI. In one of the examples presented in this work (Tschirner and Simon, 2015), the concentration of phosphorous in fly larvae was lower after the experiment than in the younger larvae before the experiment. Because the phosphorous concentration in the feed was low, the BAF indicated a high bioaccumulation of this element (BAF = 14.85). In contrast, the BAI showed element dilution, which is a more realistic situation (BAI = -0.32). By taking more data into account, the BAI seems to be more valid in determining bioaccumulation, especially in the context of entomoremediation research.

Keywords: bioaccumulation factor; bioaccumulation index; entomoremediation; insects

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