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Reference Category Journals
DOI 10.1007/s00374-005-0849-4
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Title (Primary) Diversity of the ectomycorrhiza community at a uranium mining heap
Author Staudenrausch, S.; Kaldorf, M.; Renker, C.; Luis, P.; Buscot, F.
Source Titel Biology and Fertility of Soils
Year 2005
Department BOOEK
Volume 41
Issue 6
Page From 439
Page To 446
Language englisch
Abstract Ectomycorrhiza (EM) community structure was analyzed at one bare heap site (BHS), one heap site with organic cover (HS-OH) and one reference site (RS) in the former uranium mining area near Ronneburg (Thuringia, Germany). Twenty-three EM morphotypes were distinguished, and 14 of them were additionally characterized by polymerase chain reaction (PCR), restriction fragment length polymorphism (RFLP) and internal transcribed spacer (ITS) sequence analysis. Colonization of birch by the different morphotypes was quantified, and the EM diversity at the different sites was investigated. Compared to RS, total EM colonization was reduced by 6% (P=0.851) at HS-OH and by 58% (P<0.001) at BHS. Likewise, EM diversity was reduced by 16% (P=0.229) at HS-OH and 52% (P<0.001) at BHS. The Sørensen similarity between EM samples from RS was nearly independent from the sampling date, whereas at HS-OH and especially BHS, the Sørensen similarity decreased with increasing time between the samplings. All EM fungal species dominating at the two heap sites were also present at RS. Thus, fungi with high tolerance against uranium and other stress factors at the heap sites (e.g. heavy metals, nutrient limitation, drought) were selected among all EM fungi of the area. Highly adapted fungi with a distribution restricted to the contaminated soils were not detected.
Persistent UFZ Identifier
Staudenrausch, S., Kaldorf, M., Renker, C., Luis, P., Buscot, F. (2005):
Diversity of the ectomycorrhiza community at a uranium mining heap
Biol. Fert. Soils 41 (6), 439 - 446 10.1007/s00374-005-0849-4