Temporal impacts of pile burning on vegetation regrowth and soil properties in a Mediterranean environment (Croatia)

Delač, Domina; Kisić, Ivica; Bogunović, Igor; Pereira, Paulo

doi:10.1016/j.scitotenv.2021.149318

Cited by 9 publications

(9 citation statements)

References 54 publications

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“…However, under favourable pH conditions (between 6.5 and 7.5), Fe and Ni form complexes with organic acids in the SOM [56,57], and it is possible that these compounds volatilised as a result of the high wildfire temperatures. A similar observation was made by Delač et al [58], who found significantly lower Fe content in the post-fire period in burned areas due to leaching and plant consumption. Furthermore, source rocks containing crystallised Fe oxides are also known to contain certain amounts of Ni [59], and this is why they are highly correlated throughout the study period (Figure 3).…”

Section: Soil Trace Elementssupporting

confidence: 87%

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Soil Chemical Properties and Trace Elements after Wildfire in Mediterranean Croatia: Effect of Severity, Vegetation Type and Time-Since-Fire

et al. 2022

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Natural landscapes in the Mediterranean ecosystem have experienced extensive changes over the last two centuries due to wildfire activity. Resulting interactions between climatic warming, vegetation species, soil natural, and meteorological condition before and after a wildfire create substantial abrupt landscape alterations. This study investigates the evolution (2 days, 3, 6, 9, and 12 months after a fire) of topsoil (0–5 cm) chemical properties in burned Cambisols (Zadar County, Croatia) with respect to different wildfire severities (HS—high severity, MS—medium severity, C—unburned) and vegetation species (Quercus pubescens Willd. and Juniperus communis L.). Soil pH, electrical conductivity (EC), calcium carbonates (CaCO3), total organic carbon (TOC), total nitrogen (TN), total sulphur (TS), copper (Cu) and zinc (Zn) were significantly higher in HS than in MS and C. Total soil potassium (TK), Fe and Ni were significantly higher in C than in HS. The increase of TOC and TN was more pronounced in Quercus p. than Juniperus c., especially in the first three months. Soil pH, EC, CaCO3, TOC, TN, and TS were most affected by wildfire severity. The distinction between C, MS and HS categories was less visible 9 and 12 months post-fire, indicating the start of the recovery of the soil system. Post-fire management and temporal recovery of the soil system should consider the obvious difference in soil disturbance under HS and MS between vegetation species.

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Section: Soil Trace Elementssupporting

confidence: 87%

“…The simultaneous recovery of vegetation and soil properties was also observed by Muñoz-Rojas et al [42]. Previous studies also observed the correlated relationships between pH, EC, TN, and TOC in burned soils and concluded that soil system recovery could take years [12,58,65].…”

Section: Interrelations Between Propertiessupporting

confidence: 58%

Soil Chemical Properties and Trace Elements after Wildfire in Mediterranean Croatia: Effect of Severity, Vegetation Type and Time-Since-Fire

et al. 2022

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“…The present study showed that fire significantly altered SWR; however, there were contrasting effects depending on the different soil fractions. On smaller soil fractions, SWR usually comes to the fore due to the creation of hydrophobic components on individual soil particles and the presence of fine, hydrophobic inferential matter that are pronounced on the smallest individual soil particles, which was also the case in our study [24,25]. Smaller soil particles have a larger area of exposed individual particles.…”

Section: Discussionsupporting

confidence: 75%

“…In our study, the hydrophobic effect was mitigated by reducing soil fraction sizes. According to de Jonge et al [26] and Delač et al [25], components of hydrophobic materials are sufficiently small to increase the degree of SWR compared to the larger ones. Furthermore, the SWR in composite soil samples showed the highest values IAF.…”

Section: Discussionmentioning

confidence: 99%

Short-Term Effects of Experimental Fire on Physicochemical and Microbial Properties of a Mediterranean Cambisol

Hrenović

Kisić

Delač

et al. 2023

Fire

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Little is known about the bonfire impact on microbial properties in soil. This work aimed to study moderate- to high-severity experimental burning (250 °C) compared to unburned Cambisol in a natural Mediterranean environment (Croatia) on selected soil properties. The soil was sampled immediately and 1, 2, 4, and 6 months after the fire. The fire increased the mean weight diameter, water stable aggregates, and water repellence in different soil fractions, and the observed effect was the strongest immediately after the fire. It also altered soil pH, electrical conductivity, total nitrogen carbon, and sulphur content, and completely destroyed carbapenem-resistant bacteria, but did not significantly affect the soil’s mineralogical properties. Six months after the fire, most microbial properties (save for pH) returned to near control values. Heterotrophic, sporogenic, and phosphate-solubilising bacteria started to recover after a month, whereas the population of carbapenem-resistant bacteria was destroyed initially, but recovered by the fourth month after the fire. Dehydrogenase activity was not significantly affected, but proper recovery started four months after the fire. Even though Cambisol showed some resilience to fire and its properties mostly returned to normal by the sixth month, and a full recovery is expected to occur later, as vegetation returns.

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“…Large-scale fires inflict immeasurable ecological damage and commercial loss in forestry, agriculture and to the infrastructure. Direct consequences of wildfires are related with polluted air; smoke and soot in the atmosphere, residue from burning contaminates the soil and groundwater (Delač et al 2021(Delač et al , 2022 destroys biomass, affecting, in ecological sense, both aboveground and belowground biotic communities Keeley 2005, Dove andHart 2017). Fire is more common in certain parts of the globe due to the local climatic factors.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Fire Season of 2020 in the Mediterranean Bioclimatic Zone of Croatian Adriatic

Barčić

Dubravac

Ančić

et al. 2022

SEEFOR

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Fire season in the Mediterranean bioclimatic area is most associated with the period from June to late October. Despite this, a large number of fires occur in February and March due to the intentional burning of agricultural lands. A characteristic of the Mediterranean region is the strong adaptation of vegetation to fire, though this adaptation also depends on the frequency and intensity of fires. This frequency is shown on satellite images via MODIS. This paper provides an overview of indicators of vegetation fires in the Croatian coast and karst coastal belt in the 2020 fire season. The 2020 fire season was above average in comparison with the period 2010 to 2019, with more fires than average and more burnt area. A specificity of the 2020 season is seen in the large number of fires in February and March. Fire protection in Croatia is facilitated by the use of new remote sensing technologies, in combination with the existing surveillance and monitoring methods, and organised protection systems to prevent open fires.

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Temporal impacts of pile burning on vegetation regrowth and soil properties in a Mediterranean environment (Croatia)

Cited by 9 publications

References 54 publications

Soil Chemical Properties and Trace Elements after Wildfire in Mediterranean Croatia: Effect of Severity, Vegetation Type and Time-Since-Fire

Soil Chemical Properties and Trace Elements after Wildfire in Mediterranean Croatia: Effect of Severity, Vegetation Type and Time-Since-Fire

Short-Term Effects of Experimental Fire on Physicochemical and Microbial Properties of a Mediterranean Cambisol

Analysis of the Fire Season of 2020 in the Mediterranean Bioclimatic Zone of Croatian Adriatic

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