## 3 Results
Orbitacoenoses MOF and MOM were formed mainly by species of moist meadow and forest habitats (Table 3). \begin{table}
\begin{tabular}{c c c c c c c c c c c c} \hline \hline  & \
\begin{tabular}{c} **pH** \\ **(H\({}_{2}\)O)** \\ \end{tabular} &
\begin{tabular}{c} **pH** \\ **(KCl)** \\ \end{tabular} & **w** & **Corg** & **Ntot** & **MBC** & **CO\({}_{2}\)B** & **CO\({}_{2}\)P** & **SAI** & **qCO\({}_{2}\)** & **qMIC** & **C/N** \\ \hline  & & & **\%** & **\%** & **\%** & **mg** & **mg** & **mg** & **mg** & & \\  & & & & **C.g\({}^{-1}\) & **CO\({}_{2}\)-g\({}^{-1}\)** & **CO\({}_{2}\)-g\({}^{-1}\)** & **CO\({}_{2}\)-g\({}^{-1}\)** & & & & \\ \hline MOS & 9.17 & 9.04 & 11.76 & 2.63 & 0.06 & 2.68 & 0.05 & 0.06 & 1.29 & 1.74 & 1.02 & 43.83 \\  & 0.32 & 0.44 & 1.41 & 0.17 & \textless{}0.01 & 0.06 & 0.02 & 0.03 & 0.66 & 0.81 & 3.59 & 7.30 \\ MOD & 8.92 & 8.71 & 13.64 & 1.37 & 0.03 & 2.58 & 0.04 & 0.12 & 2.84 & 1.67 & 1.88 & 45.67 \\  & 0.41 & 0.25 & 1.48 & 0.61 & \textless{}0.01 & 0.15 & 0.03 & 0.06 & 0.47 & 0.46 & 0.82 & 8.40 \\ MOM & 5.90 & 5.29 & 26.68 & 2.48 & 0.14 & 2.37 & 0.26 & 1.57 & 6.03 & 11.00 & 0.96 & 17.71 \\  & 0.28 & 0.30 & 3.22 & 1.08 & \textless{}0.01 & 0.14 & 0.04 & 0.21 & 1.04 & 0.85 & 0.13 & 5.52 \\ MOF & 5.56 & 5.04 & 28.72 & 3.82 & 0.28 & 2.66 & 0.18 & 1.52 & 8.32 & 6.85 & 0.70 & 13.64 \\  & 0.32 & 0.29 & 4.66 & 1.11 & 0.09 & 0.15 & 0.04 & 0.22 & 0.14 & 2.53 & 0.08 & 3.52 \\ \hline \hline \end{tabular}
\end{table} 
Table 2: Chemical and microbiological properties of soils (MOS, ash sediment; MOD, heterogeneous mixture of ash and natural soil; MOM, meadow; MOF, forest); pH (H\({}_{2}\)O/KCL), negative log of the hydrogen ion concentration; w, water content in the sample; Corg, total organic carbon; Ntot, total organic nitrogen; MBC, microbial biomass carbon (dry weight); CO\({}_{2}\)B, basal respiration (per 24 h); CO\({}_{2}\)P, potential respiration (per 24 h); SAI, substrate availability index (CO\({}_{2}\)P/CO\({}_{2}\)B); qCO\({}_{2}\), metabolic quotient 100\(\times\) (CO\({}_{2}\)B/MBC); qMic, microbial quotient (MBC/Corg); C/N, total organic carbon-and-nitrogen ratio. \begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline \hline  & & \multicolumn{4}{c}{**MOD**} & \multicolumn{4}{c}{**MOM**} & \multicolumn{4}{c}{**MOF**} \\ \hline
**SPECIES** & **Abr.** & **SN** & **A** & **D** & **SN** & **A** & **D** & **SN** & **A** & **D** \\ \hline _Cratoppiia quadridertata_ ([PERSON], 1882) & CerQua C & * & * & * & 5 & 3.13 & 1.27 & * & * & * \\ _Cratoxetes mediocaris_ ([PERSON], 1908) & CerMed A & * & * & * & 56 & 35.00 & 14.21 & 51 & 31.86 & 15.45 \\ _Chambutes cuspidatus_ ([PERSON], 1884) & ChaCus B & * & * & * & * & * & * & 1 & 0.63 & 0.30 \\ _Dantens_ sp. & DamSp B & * & * & * & * & * & * & 1 & 0.63 & 0.30 \\ _Galumna obvia_ ([PERSON], 1913) & GalObv B & * & * & * & * & 4 & 2.50 & 1.02 & 7 & 4.38 & 2.12 \\ _Gustavia microcephala_ ([PERSON], 1855) & GuStic A & * & * & * & 16 & 10.00 & 4.06 & 17 & 10.63 & 5.15 \\ \hline \hline \end{tabular}
\end{table} 
Table 3: The list of Orbitádà species found at each of three sampling sites near the coal ash basin (listed in alphabetical order). No individual (*) was found in the sample MOS. SN, species number; A, abundance; D, diversity. Overall, 37.5% of the species showed a tendency to come freely into the neighboring habitat and create numerically stable and comparable communities except Platynothrus peltifer ([PERSON], 1839), which showed a strong preference for MOF, and species Hypochthonous rufulus ([PERSON], 1840) and Scheloribates laevigatus ([PERSON], 1836), preferring MOM. We surprisingly found _O. (M.) translamelata_, a moisture-loving species, in the MOD sample, but as it belongs to the species that prefer forest ecosystems, its long-term remaining in the meadow habitat is questionable. Its co-occurrence with _Pecilodtthonius italicus_ ([PERSON], 1910), which prefers the habitat's meso-xerophilic nature, indicates one (or both) of these two species' accidental occurrence in the MOD mite community.