Cited by 57Environmental Toxicology and EcotoxicologyFire effects on ecosystemsToxic Organic Pollutants Impact

Aquatic ecotoxicity of ashes from Brazilian savanna wildfires

Brito, Darlan Q., Passos, Carlos José S., Muniz, Daphne H. F., Oliveira-Filho, Eduardo C.·2017·Environmental Science and Pollution Research

Abstract

In a global scenario of climate change, several studies have predicted an increase in fires in different parts of the world. With the occurrence of rains following the fires in the Brazilian savanna (Cerrado biome), the compounds present in ashes may enter aquatic environments and cause adverse effects to these ecosystems. In this context, this study evaluated the potential toxicity of ashes from two areas of Cerrado and an area of pasture, through ecotoxicological bioassays and using three aquatic species from distinct trophic levels, which were exposed to different dilutions of ashes: the microcrustacean Ceriodaphnia dubia, the fish Danio rerio and the mollusc Biomphalaria glabrata. The ashes from the three sampled areas showed higher concentrations of some elements in relation to the soil samples (B, Ca, K, Mg, Mn, P, S, Si, Sr, Zn), but only a small quantity of these compounds was solubilised. Our data showed that all ash samples caused acute toxicity to C. dubia (48hs-LC 50 = 13.4 g L-1; 48hs-LC 50 = 6.33 g L-1; 48hs-LC 50 = 9.73 g L-1 respectively for transition area, pasture, typical cerrado areas), while in relation to D. rerio and B. glabrata, no acute toxicity was observed when they were exposed to ashes from native Cerrado vegetation and pasture areas. Ashes from a transition area showed toxicity for D. rerio (48hs-LC 50 = 25.0 g L-1); possibly, this was due to the combination of multiple preponderant inorganic elements of ashes with other organic compounds not analysed, such as polycyclic aromatic hydrocarbons (PAHs). In summary, these results suggest that wildfires may pose risks to zooplankton communities and emphasize the need for more studies to better understand the complexity of the ecological effects of fire on aquatic ecosystems.

Integrity signals

Registry

Crossref · 10.1007/s11356-017-9578-0

Cites

88 of 88 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Mean Mg and P were similar to those reported in the literature.

    “Mean Mg and P in the ash were 5.4 and 2.5 g kg -1 ash (Table 3), respectively, and were similar to those reported in the literature (e.g., Brito et al., 2017;Ulery et al., 1993; Table 1).”
  • Adverse effects of both toxic compounds and nutrients in wildfire ash, highly dependent on dosage and duration of exposure, have been reported in aquatic ecosystems for macroinvertebrates, amphibians, fish and algae.

    “Adverse effects of both toxic compounds and nutrients in wildfire ash, which are highly dependent on dosage and duration of exposure, have been reported in aquatic ecosystems for macroinvertebrates (Brito et al., 2017;Harper et al., 2019), amphibians, fish and algae (e.g., Campos et al., 2012;Gonino et al., 2019;Oliveira-Filho et al., 2018;Pilliod et al., 2003).”
  • Concentrations of Pb, Cu, Hg, Ni, Cr, and Cd in the wildfire ash were below 100 mg kg-1, similar to previous studies.

    “Lower concentrations (<100 mg kg -1 ) were obtained for the remaining metals analysed (i.e., Pb, Cu, Hg, Ni, Cr, and Cd) similar to the concentrations reported in previous studies (e.g., Brito et al., 2017;Campos et al., 2016;Santos et al., 2023; Table 1).”
  • Mean Al and Fe concentrations were closer to the upper values of overall ranges reported in previous studies (Al: 2.30-19.0 g kg−1, Fe: 0.10-12.3 g kg−1).

    “Al and Fe were the third and fourth most abundant analysed elements in the ash, after C and Ca, with similar mean values (Al: 17.9 g kg -1 ash; Fe: 17.1 g kg -1 ash; Table 3), which were closer to the upper values of the overall ranges reported in previous studies (Al: 2.30 -19.0 g kg -1 , Fe: 0.10 -12.3 g kg -1 ; e.g., Brito et al., 2017;Ulery et al., 1993; Table 1).”
  • Brito et al. (2017) found that all three Brazilian Cerrado ash types caused toxicity to Ceriodaphnia dubia, none affected Biomphalaria glabrata, and only one type was toxic for Danio rerio.

    “A similar study by Brito et al. (2017) tested toxicity over acute exposures (48 h) of three types of ash from the Brazilian Cerrado ecoregion on the planktonic crustacean Ceriodaphnia dubia, the fish Danio rerio and the mollusc Biomphalaria glabrata and found that all ash types caused toxicity to C. dubia, none affected B. glabrata and only one type was toxic for D. rerio.”

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Brito, D. Q., Passos, C. J. S., Muniz, D. H. F., & Oliveira-Filho, E. C.
Affiliations
Universidade de Brasília (BR)
Corresponding author
Oliveira-Filho, Eduardo C.
Venue
Environmental Science and Pollution Research
Published
2017-07-06
Volume
24
Issue
24
Pages
19671-19682
ISSN
  • 0944-1344 (ISSN-L)
  • 1614-7499
OpenAlex
W2733310258
Cited by
57
References
88
Citations by year
2026: 5 · 2025: 15 · 2024: 8 · 2023: 6 · 2022: 11 · 2021: 5 · 2020: 3 · 2019: 3 · 2017: 1
FWCI
1.03
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Science and Pollution Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
Conselho Nacional de Desenvolvimento Científico e Tecnológico (478637/2012-8)
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
  • Physical Sciences › Environmental Science › Global and Planetary Change › Fire effects on ecosystems
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
Keywords
wildfire ash, aquatic toxicity, Cerrado, Ceriodaphnia dubia, zebrafish, Biomphalaria glabrata, acute toxicity, trophic levels, polycyclic aromatic hydrocarbons, zooplankton
MeSH terms
Wildfires, Animals, Brazil, Models, Theoretical, Polycyclic Aromatic Hydrocarbons, Water Pollutants, Chemical, Ecosystem, Metals, Heavy, Ecotoxicology, Aquatic Organisms, Coal Ash, Grassland

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review