Abstract
Ectomycorrhizal communities at young oak, pine, and birch stands in a former uranium mining site showed a low diversity of morphotypes with a preference for contact and short-distance exploration strategies formed by the fungi Russulaceae, Inocybaceae, Cortinariaceae, Thelephoraceae, Rhizopogonaceae, Tricholomataceae, as well as abundant Meliniomyces bicolor. In order to have better control over abiotic conditions, we established pot experiments with re-potted trees taken from the sites of direct investigation. This more standardized cultivation resulted in a lower diversity and decreased prominence of M. bicolor. In addition, the exploration strategies shifted to include long-distance exploration types. To mimic secondary succession with a high prevalence of fungal propagules present in the soil, inoculation of re-potted trees observed under standardized conditions for two years was used. The super-inoculation increased the effect of lower abundance and diversity of morphotypes. The contact morphotypes correlated with high Al, Cu, Fe, Sr, and U soil contents, the dark-colored short-distance exploration type did not show a specific preference for soil characteristics, and the medium fringe type with rhizomorphs on oaks correlated with total nitrogen. Thus, we could demonstrate that field trees, in a species-dependent manner, selected for ectomycorrhizal fungi with exploration types are likely to improve the plant’s tolerance to specific abiotic conditions.
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Claims 8
Claim · model-written summary
Young oak, pine, and birch stands had low ectomycorrhizal morphotype diversity, dominated by contact and short-distance exploration types.
Verbatim
e0“Ectomycorrhizal communities at young oak, pine, and birch stands in a former uranium mining site showed a low diversity of morphotypes with a preference for contact and short-distance exploration strategies formed by the fungi Russulaceae, Inocybaceae, Cortinariaceae, Thelephoraceae, Rhizopogonaceae, Tricholomataceae, as well as abundant Meliniomyces bicolor.”
Claim · model-written summary
Standardized cultivation of re-potted trees lowered ectomycorrhizal morphotype diversity and the prominence of M. bicolor.
- Taxon
- oak, pine, and bircht0
- Treatment
- more standardized cultivatione0
- Interactor
- M. bicolorHyaloscypha bicolore0symbiont
- Outcome
- diversity and decreased prominence of M. bicolore0
- Direction
- lowere0
Not reportedComparator
Verbatim
t0“oak, pine, and birch”
e0“This more standardized cultivation resulted in a lower diversity and decreased prominence of M. bicolor.”
Claim · model-written summary
Standardized cultivation shifted ectomycorrhizal exploration strategies to include long-distance types.
- Taxon
- oak, pine, and bircht0
- Interactor
- Ectomycorrhizalt1symbiont
- Outcome
- exploration strategies shifted to include long-distance exploration typese0
Not reportedDirection
Verbatim
t0“oak, pine, and birch”
t1“Ectomycorrhizal”
e0“the exploration strategies shifted to include long-distance exploration types”
Claim · model-written summary
Super-inoculation further lowered ectomycorrhizal morphotype abundance and diversity.
- Taxon
- oak, pine, and bircht0
- Treatment
- super-inoculatione0
- Outcome
- abundance and diversity of morphotypese0
- Direction
- lowere0
Not reportedComparator
Verbatim
t0“oak, pine, and birch”
e0“The super-inoculation increased the effect of lower abundance and diversity of morphotypes.”
Claim · model-written summary
Contact ectomycorrhizal morphotypes correlated with high soil Al, Cu, Fe, Sr, and U.
- Taxon
- oak, pine, and bircht0
- Interactor
- Ectomycorrhizalt1symbiont
- Compound
- Al, Cu, Fe, Sr, and Ue0
- Outcome
- contact morphotypese0
Not reportedDirection
Verbatim
t0“oak, pine, and birch”
t1“Ectomycorrhizal”
e0“The contact morphotypes correlated with high Al, Cu, Fe, Sr, and U soil contents”
Claim · model-written summary
Dark-colored short-distance exploration types showed no specific soil preference.
Verbatim
t0“oak, pine, and birch”
t1“Ectomycorrhizal”
e0“the dark-colored short-distance exploration type did not show a specific preference for soil characteristics”
Claim · model-written summary
Medium fringe rhizomorph types on oaks correlated with total nitrogen.
QuercusNot reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the medium fringe type with rhizomorphs on oaks correlated with total nitrogen”
Claim · model-written summary
Field trees selected ectomycorrhizal exploration types in a species-dependent way that may improve abiotic tolerance.
Verbatim
t0“oak, pine, and birch”
e0“field trees, in a species-dependent manner, selected for ectomycorrhizal fungi with exploration types are likely to improve the plant’s tolerance to specific abiotic conditions”