Effects of fire and three fire-fighting chemicals on main soil properties, plant nutrient content and vegetation growth and cover after 10 years

Fernández‐Fernández, María; Gómez-Rey, M.X.; González-Prieto, S.J.

doi:10.1016/j.scitotenv.2015.02.048

Cited by 23 publications

(5 citation statements)

References 45 publications

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“…According to previous studies, − the application of fire retardant can have long-term effects on the P concentrations in the affected ecosystem. For example, Fernandez et al found that 10 years after the application of fire retardant, the soil-available P concentration was 3 times higher than that in burned soils with no fire retardant application.…”

Section: Discussionmentioning

confidence: 74%

“…The resin P concentration of ash sampled where fire retardant was applied was ∼3 times higher than that of ash sampled without fire retardant (average ± SE: 1 ± 0.1 mg g –1 compared to 3.17 mg g –1 ). According to previous studies, − the application of fire retardant can have long-term effects on the P concentrations in the affected ecosystem. For example, Fernandez et al found that 10 years after the application of fire retardant, the soil-available P concentration was 3 times higher than that in burned soils with no fire retardant application.…”

Section: Discussionmentioning

confidence: 96%

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Oxygen Isotope Signatures of Phosphate in Wildfire Ash

Bigio

Angert

2019

ACS Earth Space Chem.

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Atmospheric aerosol deposition is a significant source of phosphorus (P) in many terrestrial and marine ecosystems worldwide, influencing their biogeochemistry and primary production. Particles emitted from wildfires (hereafter, ash) are the second most important source of atmospheric P after airborne dust. In this study, we aim to identify the signature of ash oxygen isotopes in phosphate. This will enable the use of this signature for the separation of ash from other atmospheric P sources. We measured P concentrations and δ18OP in ash from natural and experimental fires and also from ash heated at different temperatures. The HCl and resin P concentrations (average ± SE) were 3.15 ± 0.35 and 1 ± 0.1 mg g–1, respectively. The HCl and resin δ18OP were 15.5 ± 0.4 and 14.7 ± 0.4‰ (average ± SE), respectively. Based on previous studies, we suggest possible isotope exchange reactions during the combustion process, between oxygen in phosphate and oxygen from other probable sources (i.e., the atmosphere, and CaCO3 and CaO formed in the ash). The unique isotopic signature in the ash, ranging from 11.5 to 19.4‰ in the HCl and resin P fractions, is different from that of other atmospheric P sources such as airborne tree pollen, which has δ18OP values between 19.2‰ and 29.6‰, and Saharan-dust samples collected in Israel, which have δ18OP values ranging from 20.7‰ to 22.6‰. Thus, the δ18OP can be used as a marker for identifying atmospheric P from wildfires and for estimating its importance to the global P cycle.

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Section: Discussionmentioning

confidence: 74%

Section: Discussionmentioning

confidence: 96%

Oxygen Isotope Signatures of Phosphate in Wildfire Ash

Bigio

Angert

2019

ACS Earth Space Chem.

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“…The basic chemical property factors that were used to evaluate comprehensive soil quality include Organic matters, total N, total P, total K and available N, available P and available potassium and pH, etc. Soil nutrient had a close association with the growth and development of vegetation on the ground (Fernández-Fernández et al, 2015). Vegetation cover can increase the total nitrogen and organic matter content after farmland returning to woodland (Cheng et al, 2015).…”

Section: Soil Chemical Properties Of Different Afforestation Methodsmentioning

confidence: 95%

Effects of Different Forest Reconstruction Methods on Characteristics of Understory Vegetation and Soil Quality

Guo¹

2018

Appl. Ecol. Env. Res.

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The effects of different afforestation methods on the soil quality of the woodland was discussed. This paper took several afforestation lands reformed by four Miyawaki Methods and one traditional method respectively and an untransformed woodland in Nanhai District, Foshan City, China as the research objects, and conducted the comparative analysis on the soil physical, chemical characteristics and biological characteristics of different woodlands. The results showed that the average coverage of understory shrub layer and herbaceous layer of each type of reformed woodland from large to small was GX3> GX2>CT>GX1>GX4>CK. The change of the biomass of herbaceous layer was consistent with the total biomass, and the order from large to small both was GX2>GX3>GX1>CT>GX4>CK. There was no significant difference in the effects of different afforestation methods on soil physical properties. The Miyawaki Method 2 afforestation land had the highest soil organic matter content. The Miyawaki Method 3 afforestation land had the highest soil total nitrogen, available nitrogen and available potassium content, the number of the bacteria, fungus and actinomycetes and soil enzyme activities. The traditional method afforestation land had the highest soil total phosphorus and available phosphorus content. The analysis results of principal component showed that the comprehensive index of soil quality in different afforestation methods was: GX3>GX1>GX2>CT>GX4>CK, which indicated that the transformation could improve the soil quality effectively, and the transformation efficiency in the Miyawaki Method 3 was the best. So the transformation efficiency should be mainly considered in the transformation practice.

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“…Extracts were passed through glass microfibre filters (Whatman GF/A, 125-mm diameter). For NH 4 + -N and NO 3 --N analysis, an extraction-diffusion method described in Fernández-Fernández et al (2015) was used. For extractable element analyses, soil, sediment and ash samples were shaken for 2 hours with a solution of NH 4 Ac 1 M and DTPA 0.005 M (sample:solution ratio 1:5).…”

Section: Sampling and Chemical Analysis Of Soils Ashes And Sedimentsmentioning

confidence: 99%

Straw mulching is not always a useful post-fire stabilization technique for reducing soil erosion

et al. 2016

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Mulching is increasingly employed to stabilize burnt areas, making necessary to elucidate where and how it should be used. The effects of mulching and the efficiency of two straw application strategies in reducing nutrient losses were evaluated in a steep area (burnt with moderate severity) with twelve experimental plots split into three sets: control burnt plots (BS), burnt plots with straw mulching in narrow bands along the contour lines (NM, global dose 800 kg ha !1) and in wide bands (WM, global dose 1000 kg ha !1). None of the mulching strategies had a significant effect on most of the 16 soil and sediment variables analysed (pH, nutrient and trace element concentrations). The principal component analyses show that soil and sediment samples change with time after the fire regardless treatment, decreasing progressively the differences between successive sampling dates. In sediments, pH KCl , Ca, Mg, Mn and Zn fitted to curvilinear regression models with time after fire as independent variable, while the other variables showed no clear temporal trend. During the first post-fire year, <500 kg ha !1 of sediments were eroded and mulching had no effect on the total mass of lost sediments and nutrients. We conclude that the erosion rate was rather low that year due to moderate precipitation rates and therefore mulching did not significantly reduce soil erosion. Nevertheless, the concentration of Mo, Mn and Zn in sediments exceeded reference levels for ecosystem protection and can lead to deficiency problems for on-site vegetation and to soil and water pollution off-site.

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Effects of fire and three fire-fighting chemicals on main soil properties, plant nutrient content and vegetation growth and cover after 10 years

Cited by 23 publications

References 45 publications

Oxygen Isotope Signatures of Phosphate in Wildfire Ash

Oxygen Isotope Signatures of Phosphate in Wildfire Ash

Effects of Different Forest Reconstruction Methods on Characteristics of Understory Vegetation and Soil Quality

Straw mulching is not always a useful post-fire stabilization technique for reducing soil erosion

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