Stability of mediterranean burnt soils under different plant covers

Memoli, Valeria; Santorufo, Lucia; Panico, Speranza Claudia; Barile, Rossella; Natale, Gabriella Di; Trifuoggi, Marco; Marco, Anna De; Maisto, Giulia

doi:10.1016/j.catena.2021.105581

Cited by 10 publications

(13 citation statements)

References 35 publications

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“…It is most likely that holm oak and black locust showing stability to perturbations contributed to maintaining homogeneous soil conditions that then ensured high microbial activity. This hypothesis is corroborated by previous studies for HO [41].…”

Section: Discussionsupporting

confidence: 92%

“…In the present research, the enzymatic activities mainly varied according to the vegetation covers, the seasons, and to a lesser extent according to the fire, as well as depending on the variations of soil abiotic properties [40,41]. In particular, in soils under the same vegetation cover the enzymatic activities were controlled by different soil properties according to seasons and fire occurrence, as shown by the multiple linear regressions.…”

Section: Discussionmentioning

confidence: 74%

“…Fire, seasonality, and vegetation exerted a combined effect on soil abiotic properties and enzymatic activities [14,41]; in fact, fire and seasonality played opposing effects on soil abiotic properties within and among the vegetation covers that, on the whole, did not cause significant variations in soil enzymatic activities.…”

Section: Discussionmentioning

confidence: 99%

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Role of Seasonality and Fire in Regulating the Enzymatic Activities in Soils Covered by Different Vegetation in a Mediterranean Area

et al. 2021

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As they quickly respond to environmental conditions, soil enzymes, involved in nutrient cycles, are considered good indicators of soil quality. The Mediterranean area is a peculiar environment for climatic conditions and for fire frequency. Therefore, the research aimed to evaluate the role of seasonality and fire on enzymatic activities (i.e., hydrolase, dehydrogenase, and β-glucosidase) in soils covered by herbs, black locust, pine, and holm oak. In addition, the main soil abiotic properties that drive the enzymatic activities were also investigated. In order to achieve the aims, surface soils were collected in unburnt and burnt areas and characterized for water and organic matter contents, pH, concentrations of C and N, and available fractions of Al, Ca, Cu, Fe, Mg, Mn, Na, and Pb. The results highlighted that the soil enzymatic activities were mainly affected by seasonality more than by fire; in unburnt soils, their main drivers were nutrient availabilities, whereas, in burnt soils they were pH, water and organic matter contents, C and N concentrations, and both nutrient and metal availabilities. Finally, holm oak, as compared with herbs, pine, and black locust, conferred higher stability to soils that were affected by seasonality and fire.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 74%

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Role of Seasonality and Fire in Regulating the Enzymatic Activities in Soils Covered by Different Vegetation in a Mediterranean Area

et al. 2021

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“…The evolved CO 2 was adsorbed in NaOH and measured by two-phase titration with HCl [38]. The fungal biomass (FB) was evaluated, after staining with aniline blue, through the membrane filter technique [39,40] determining hypha length with an optical microscope (Optika, B-252) by the intersection method [41].…”

Section: Soil Biological Analysesmentioning

confidence: 99%

Impact of Anthropic Activities on Soil Quality under Different Land Uses

Santorufo

Memoli

Panico

et al. 2021

IJERPH

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Anthropization often leads to land use transformation, causing deep changes to soil properties and its quality. Land use change could be an environmental and socioeconomic problem, as it impacts soil quality and ecosystem services. There is an urgent need to understand the pressures affecting soil quality. The aim of the work is to quantify the impact of different land uses on soil abiotic and biotic properties and on its quality. To achieve the aims, soils from different land uses (forest, urban and agricultural) were collected in the surroundings of Naples and analyzed for pH, water content, contents of C and N, C/N ratio and total and available concentrations of Cu, Ni and Pb, microbial and fungal biomasses, basal respiration and metabolic quotient. Then, a soil quality index (SQI) was calculated for each land use. The results showed that soil abiotic and biotic properties of the agricultural sites differed from those of forest and urban sites. At agricultural sites, microbial abundances decreased due to low amount of C and N and to high amount of Cu and Pb. This caused low use efficiency of energetic substrates and a reduced soil quality of agricultural sites as compared to forest and urban sites.

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“…The overlay with the erosion risk map highlighted the need to mitigate the high erosive risk areas of the northwestern sector, but also the southeastern slopes which overhang highly vulnerable areas, despite its lower erosive risk. As a matter of fact, priority areas identify burned forest where severity of fire affected the andic soil properties, mineralizing its stock of organic matter [123,124] and depleting aerial and soil seeds and bud banks. Subsequently, bare burned soil becomes highly prone to erosion events, [125] and becomes a priority for post-fire restoration actions [126].…”

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confidence: 99%

Landscape Planning Integrated Approaches to Support Post-Wildfire Restoration in Natural Protected Areas: The Vesuvius National Park Case Study

Cervelli

Pindozzi

Allevato

et al. 2022

Land

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In recent decades in the Mediterranean basin there has been a considerable increase in both the number of wildfires and the extent of fire-damaged areas, resulting in ecological and socio-economic impacts. Protected areas are particularly vulnerable and many characteristics underpinning their legal protection are threatened. Several studies have been devoted to mitigating wildfire risks inside the protected areas, however often only in regard to natural heritage losses. Based on the adaptive wildfire resilience approaches, this work proposes a framework of actions that integrates natural, social and economic components. Starting from the Vesuvius National Park case study, affected by wildfires in 2017, the paper proposes a framework of action, envisaging two main phases: (i) the identification of priority intervention areas, by means of spatial multicriteria decision analysis, and (ii) damage assessment by using a monetary approach to value ecosystem services (ESs). The results identified priority areas where to concentrate economic and material resources, and estimated ecosystems damage, demonstrated ESs losses in areas adjacent to the burnt ones. This work, by integrating the relation between environmental sciences and policy, underpins a medium-long term development planning process. The aim of this work is to support landscape management and planning that includes socio-economic components such as sustainable development measures.

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Stability of mediterranean burnt soils under different plant covers

Cited by 10 publications

References 35 publications

Role of Seasonality and Fire in Regulating the Enzymatic Activities in Soils Covered by Different Vegetation in a Mediterranean Area

Role of Seasonality and Fire in Regulating the Enzymatic Activities in Soils Covered by Different Vegetation in a Mediterranean Area

Impact of Anthropic Activities on Soil Quality under Different Land Uses

Landscape Planning Integrated Approaches to Support Post-Wildfire Restoration in Natural Protected Areas: The Vesuvius National Park Case Study

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