Comparison of natural and technogenic soils developed on volcanic ash by Vis-NIR spectroscopy

Iorio, Erika Di; Napoletano, Pasquale; Circelli, Luana; Memoli, Valeria; Santorufo, Lucia; Marco, Anna De; Colombo, Claudio

doi:10.1016/j.catena.2022.106369

Cited by 10 publications

(1 citation statement)

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“…The stress condition of microorganisms within deep grubbed soils is probably associated with changes in microclimatic conditions and in microbial community growth and composition, at least according to Mohr et al [20]. Consistent with data from other authors collected in different disturbed ecosystems [55][56][57][58], the important role of organic substrate availability for microbial growth found in our data has also been confirmed. Moreover, the amount of SOM in grubbed soils is affected by both the direct activity of grazing, including grubbing, and rapid mineralization, which leads to significant losses of C [4].…”

Section: Overall Assessment Of Immediate Grubbing Effect On Olive Grovessupporting

confidence: 93%

Quantifying the Immediate Response of Soil to Wild Boar (Sus scrofa L.) Grubbing in Mediterranean Olive Orchards

et al. 2023

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The goals of the current research were to assess the immediate impact of invasive wild boar (Sus scrofa L.) in olive orchards of southern Italy. Over a one-year study, in grubbed and ungrubbed areas, we measured the seasonal changes on the fast soil biological and chemical responses at depths of 0–15 cm and 15–40 cm, and several leaf and fruit characteristics. The impact factor, IFG, was used to quantify the effects of wild boar on individual soil parameters. Grubbing induced an increase in the soil moisture at both depths. Soil pH, organic matter, and C/N ratio were higher in grubbed soils at 0–15 cm and lower at 15–40 cm compared to ungrubbed soils. These trends were reflected in the higher microbial community biomass and the inhibition of fungal fraction in grubbed topsoil, while an opposite tendency at 15–40 cm was found. Microbial biomass had the highest IFG in topsoil (94%) and metabolic quotient (85%) at a 15–40 cm depth. Microbial stress condition and C loss were found in grubbed soil at both depths. Furthermore, these soils were also shown to be of lower quality than ungrubbed soils, especially at 0–15 cm (SQI = 0.40 vs. 0.50, respectively). A stronger negative impact of wild boar grubbing was observed in the Autumn/Winter and for fruit polyphenol content.

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