jvs1353-sup-0001-AppendixS1.docxWord document14KAppendix S1. Summarized results of two-way ANOVA testing for effects of zone of soil collection (OUT, FF, BELT and IN) and sampled ring on plant biomass and species richness in the field.
jvs1353-sup-0002-AppendixS2.docxWord document13KAppendix S2. Total biomass, plant density and individual size of the annual grass Cynosurus echinatus in the four fairy ring zones. Values are average +1 standard deviation, different letters indicate significant differences (ANOVA, Duncan test, < 0.01).
jvs1353-sup-0003-AppendixS3.docxWord document36KAppendix S3. Summary of the generalized linear model (GLM) testing for main and interactive effects of sampling year, ring, and concentric zone across the ring (OUT, FF, BELT, IN) on percent cover of the 25 most abundant grassland species in the field, and for all species pooled. Data refer to a randomized block design, with fixed effects of zone and sampling year, and random effect of ring. Zone is attributed to each plot according to its position along the transects (see Figs 1 and 3). Dataset includes 3 sampling years, 3 rings per year, 3 transect per ring, 18 plots of 20 × 20 cm per transect (n = 486). For a more conservative interpretation of the results, the Bonferroni correction was adopted to calculate critical P-values for significance (= 0.05/25 = 0.002). Significant effects (P < 0.002) are reported in italics.
jvs1353-sup-0004-AppendixS4.docWord document116KAppendix S4. Percent cover of most abundant grassland species in the four concentric zones across fairy rings (OUT, FF, BELT, IN). Data refer to average and standard deviation of 486 plots of 20 × 20 cm (3 yearly surveys, 3 rings per survey, 3 transect per ring, 18 plots per transect), grouped by zone according to the position along the transects. For each species, small letters indicate significant differences of percent cover among ring zones, according to Bonferroni's post-hoc test from GLM in Appendix S3.
jvs1353-sup-0005-AppendixS5.docWord document79KAppendix S5. Summarized results of two-way ANOVA testing for effects of zone of collection (OUT, FF, BELT and IN) and sampling date (April vs June) on soil parameters.
jvs1353-sup-0006-AppendixS6.docWord document96KAppendix S6. Physical, chemical, enzymatic activities and microbiological parameters in the four zones (OUT, FF, BELT, IN) across the fairy ring. Different letter within each row indicate significant differences (Duncan test, P < 0.05).
jvs1353-sup-0007-AppendixS7.docWord document76KAppendix S7. Microbial community-level physiological profiles of soil collected in four different fairy ring zones in June. Soil description data were average well colour development (AWCD) of 31 different C sources by BIOLOG EcoPlates™ after 96 h of incubation. Color development indicates the capability of soil microbial communities to utilize the different carbon sources.
jvs1353-sup-0008-AppendixS8.xlsapplication/msexcel72KAppendix S8. ANOVA for 31 different C sources by BIOLOG Ecoplates™.
jvs1353-sup-0009-AppendixS9.docWord document36KAppendix S9. Summarized results of three two-way ANOVAs for the soil bioassay. Zone of soil collection (OUT, FF, BELT and IN) and sterilization (sterile vs non-sterile) were the factors for each target species.

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