Authors:V. Peresedov, S. Gundorina, and T. Ostrovnaya
The experimental data on heavy metal and rare-earth element concentration in the environmental objects (pine needle and soil) caused by the enterprise for the production of mineral phosphoric fertilisers in Apatity (the industrial region in the Murmansk region, Kola Peninsula) have been obtained. The investigation was performed by neutron activation analysis at the IBR-2 research reactor in the Joint Institute for Nuclear Research. The analysis of nearly 40 element distributions in pine needle and soil from different geographical sites testifies about their contamination by a spectrum of elements, including REEs. Their contamination levels in the soil in the vicinity of the enterprise are significantly high.
Authors:V. Peresedov, V. Chinaeva, S. Gundorina, and T. Ostrovnaya
New experimental data has been obtained on heavy metal and rare-earth element concentrations in environmental objects, namely pine needles and soils, caused by atmospheric pollution in different regions of the Kola Peninsula. The investigation was performed with the use of epithermal neutron activation analysis at the IBR-2 fast pulsed reactor. Analysis of nearly 40 element distribution in pine-needles and solids from the studied geographical points testifies of a strong contamination source —the nickel smelting complex in Monchegorsk. The contamination levels for Ni, Co, Cr, Se, and others are also high and may be hazardous to the population of this region because some of these elements are carcinogenic.
Authors:T. Efremova, S. Efremov, K. Koutzenogii, A. Smirnova, V. Peresedov, T. Ostrovnaya, and V. Chinaeva
Aluminum, Sc, Th, Hf, and lanthanoids belong to groups of elements that are, slightly, very slightly, and moderately captured
in marsh ecosystems. In the genesis of the peatbog the biogeochemical migration of elements is mainly determined by the quality
of the humus barriers as well as by the capability to form intermetallic compounds of widely varying compositions. In the
surface layer (10 cm) of the peatbog the highest content of Al, Hf, Ce, and Sm over the entire history of marsh development
was observed. This fact reflects the modern tendency to forming technogenic streams of the above content.
Authors:V. Nazarov, M. Frontasyeva, V. Peresedov, V. Chinaeva, T. Ostrovnaya, S. Gundorina, and V. Nikonov
Experience in the use of epithermal neutron activation analysis (ENAA) in the monitoring of atmospheric deposition by means of moss, lichens and pine needles is summarized. It is shown that 45 elements (Mg, K, Ca, Al, Cl, Sc, V, Cr, Mn, Fe, Co, Ni (using (n,p)-reaction), Zn, Cu, As, Se, Br, Rb, Sr, Zr, Mo, Ag, Sn, Sb, I, Cs, Ba, La, Ce, Nd, Sm, Eu, Gd, Tb, Tm, Yb, Lu, Hf, Ta, W, Au, Th and U, as well as Ir and Re in pine needles in the presence of anthropogenic pollution by the nickel mining plant) are reliably determined. Examples of the use of lichens, moss and pine needles as biomonitors of atmospheric deposition in Franz Josef Land the Kola peninsula and in the Tver region are given.