2020
DOI: 10.5194/egusphere-egu2020-2062
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Urban Soils Mycobiota of the Subarctic (Apatity, Murmansk region, Russia)

Abstract: <p>The soils mycobiota of Apatity was first characterized. Significant differences in quantitative and qualitative parameters of urban soils fungal complexes of the Subarctic zone in comparison with zonal soils were revealed. It was shown that the biomass of fungi in the soil of the residential area of Umbric Leptic Entic Podzol (Arenic, Neocambic) is 0.18 – 0.20 mg/g, in the background forest soil Folic Leptic Albic Podzol (Arenic) – 0.31 mg/g. The smallest values (0.… Show more

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“…The number of copies of the 16S rRNA ribosomal genes of archaea in coastal soils is, on average, 2–3 orders of magnitude lower than in forest and urban soils of the northern taiga zone of the Kola Peninsula and is comparable with that in the forest–tundra zone [ 19 ]. We believe that the coastal areas of the Kola Peninsula are less favorable for archaea than the urban environment in the subarctic climate due to the “heat island” effect [ 20 , 21 ] and large reserves of organic matter [ 22 , 23 ] in the urban soils. It should be noted that, despite the lack of nutrients in sandy soil, the number of copies of archaean genes does not differ significantly from that in the soil, in contrast with other groups of microorganisms—bacteria and fungi.…”
Section: Discussionmentioning
confidence: 99%
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“…The number of copies of the 16S rRNA ribosomal genes of archaea in coastal soils is, on average, 2–3 orders of magnitude lower than in forest and urban soils of the northern taiga zone of the Kola Peninsula and is comparable with that in the forest–tundra zone [ 19 ]. We believe that the coastal areas of the Kola Peninsula are less favorable for archaea than the urban environment in the subarctic climate due to the “heat island” effect [ 20 , 21 ] and large reserves of organic matter [ 22 , 23 ] in the urban soils. It should be noted that, despite the lack of nutrients in sandy soil, the number of copies of archaean genes does not differ significantly from that in the soil, in contrast with other groups of microorganisms—bacteria and fungi.…”
Section: Discussionmentioning
confidence: 99%
“…Fungal biomass. In the studied substrates of the Barents Sea coast, biomass of mycobiota was less than in background landscapes of the Kola Peninsula [ 5 , 7 ], but it was 1.5–2 times higher than in soils of the city of Apatity, which is located farther south in the Murmansk region [ 21 ]. Apparently, this may be due to such limiting factors as heavy metal pollution by powerful enterprises in the cities of the Kola Peninsula [ 28 , 29 ].…”
Section: Discussionmentioning
confidence: 99%
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