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Figure 1
Location of the cork oak forest ‘Brabtia’ and the study stations (Diaf et al. 2019). ND – non-degraded station, D – degraded station
Figure 2
Rate of EcM colonization of cork oak (Quercus suber L.) and Cistus (Cistus monspeliensis L.). Different letters indicate significant differences between treatments according to Tukey's HSD test (P < 0.05). *P < 0.05, **P < 0.01, ***P < 0.001. COND: cork oak in non-degraded station, COD: cork oak in degraded station, CIND: Cistus in non-degraded station, CID: Cistus in degraded station, EcM: ectomycorrhizal, HSD: honestly significant difference
Figure 3
Mycorrhizal intensity (M%) of the root system of Quercus suber, Cistus monspeliensis, Lavendula stoechas and Thymus vulgaris in the two stations. Different letters indicate significant differences between treatments according to Tukey's HSD test (P < 0.05). *P < 0.05, **P < 0.01, ***P < 0.001COND: cork oak in the non-degraded station; COD: cork oak in the degraded station; CIND: Cistus in the non-degraded station, CID: Cistus in the degraded station, LD: lavender in the degraded station; TND: thyme in the non-degraded station, TD: thyme in the degraded station, HSD: honestly significant difference
Figure 4
The number of AM propagules per kilogram of soil in the degraded and the non-degraded stations
Figure 5
The total number of the fungal diversity of spores of the four rhizospheres in the degraded and the non-degraded stations
Soil physicochemical properties of Quercus suber rhizosphere soil in the two stations
Station
pH
OM (%)
N %
P (mg/kg)
K total
ND
5.95a
3.50a
0.31a
6.80b
21.17b
D
5.88a
2.00b
0.27a
4.60a
11.27a
Frequency of morphotypes of spores in the four rhizospheres