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. 2023 Oct 9;17(12):2190–2199. doi: 10.1038/s41396-023-01512-y

Fig. 2. Effects of drought on soil function.

Fig. 2

a, b Resistance and resilience indexes. Asterisks indicate significant change (value ≠ 0, p < 0.05). c, d Functional structure of soils. Mean ± SE (n = 4). Significance of PERMANOVA analysis evaluating the effects of drought intensity (I) and frequency (F) is shown: *p < 0.05, **p < 0.01, ***p < 0.001. Differences in data dispersion (dd) among groups is also shown (ns non-significant). GLC: β-glucosidase, CBH: cellobiohydrolase, XYL: xylosidase, NAG: N-acetylglocasiminidase, PHO: acid phosphatase, POX: phenoloxidase, PER: peroxidase, URE: urease, DOC: dissolved organic carbon, DON: dissolved organic nitrogen, TOP: total organic phosphorus, Cmic: microbial carbon, Nmic : microbial nitrogen, Pmic : microbial phosphorus. eh Effects of drought on selected soil nutrients after drought, summarised by drought intensity and frequency (x1: 1 event, x2: 2 events, x3: 3 events) treatments. Significance of linear mixed models evaluating the effects of drought intensity (I) and frequency (F), with soil as random factor, is shown in each graph. Values = mean ± standard error, n = 4.