期刊
EURASIAN SOIL SCIENCE
卷 49, 期 7, 页码 792-795出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1064229316050057
关键词
yeasts; biodiversity; soil; Heracleum sosnowskyi; Impatiens glandulifera; Impatiens parviflora; seasonal dynamics
类别
资金
- Russian Scientific Foundation [14-50-00029]
The annual dynamics of yeast communities were studied in the soddy-podzolic soil under the thickets of Aster x salignus Willd., one of the widespread invasive plant species in central Russia. Yeast groups in the soils under continuous aster thickets were found to differ greatly from the yeast communities in the soils under the adjacent indigenous meadow vegetation. In both biotopes the same species (Candida vartiovaarae, Candida sake, and Cryptococcus terreus) are dominants. However, in the soils under indigenous grasses, eurybiontic yeasts Rhodotorula mucilaginosa, which almost never occur in the soil under aster, are widespread. In the soil under aster, the shares of other typical epiphytic and pedobiontic yeast fungi (ascomycetic species Wickerhamomyces aniomalus, Barnettozyma californica and basidiomycetic species Cystofilobasidium macerans, Guehomyces pullulans) significantly increase. Thus, the invasion of Aster x salignus has a clear effect on soil yeast complexes reducing their taxonomic and ecological diversity.
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