Application of biomarker and non-biomarker parameters to assess maturity using the Central Carpathian Paleogene Basin as a case study

Organic Geochemistry, Journal Year: 2025, Volume and Issue: 201, P. 104933 - 104933

Published: Jan. 17, 2025

Language: Английский

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Occurrence of wildfire in peat/coal forming periods and its influence on paleoclimate in the Permo-Carboniferous

Energy Exploration & Exploitation, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 13, 2025

Wildfire episodes have implications on reshaping life earth. This article emphasises the fate and facts of wildfire during Permo-Carboniferous coal-forming period. Charcoal refers to an incomplete combustion or carbonised solid residue plant material. Inertinite (group coal macerals) is synonym charcoal at microscopic scale but its origin debatable. Moreover, inertinite has been used predict levels atmospheric oxygen, as it forms when material subjected intense heat oxygen-rich conditions. In addition, soot polycyclic aromatic hydrocarbons (PAHs) are recognized additional evidence palaeo-wildfires. A total number fourteen (14) countries reported data summarised here research gap focused particularly occurrences palaeo-wildfire. These areas also obstructed by different geological processes which described in detail. The several studies point out towards global events wildfires were proved charcoals (remnants burned material), macerals (microscopic components coal) PAHs (complex organic molecules) measures. same time, large amounts greenhouse gases released wildfires, must led long-term changes composition, could affected palaeoclimate.

Language: Английский

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Plant Defense Mechanisms against Polycyclic Aromatic Hydrocarbon Contamination: Insights into the Role of Extracellular Vesicles

Toxics, Journal Year: 2024, Volume and Issue: 12(9), P. 653 - 653

Published: Sept. 5, 2024

Polycyclic aromatic hydrocarbons (PAHs) are persistent organic pollutants that pose significant environmental and health risks. These compounds originate from both natural phenomena, such as volcanic activity wildfires, anthropogenic sources, including vehicular emissions, industrial processes, fossil fuel combustion. Their classification carcinogenic, mutagenic, teratogenic substances link them to various cancers disorders. PAHs categorized into low-molecular-weight (LMW) high-molecular-weight (HMW) groups, with HMW exhibiting greater resistance degradation a tendency accumulate in sediments biological tissues. Soil serves primary reservoir for PAHs, particularly areas of high creating substantial risks through ingestion, dermal contact, inhalation. Coastal aquatic ecosystems especially vulnerable due concentrated human activities, PAH persistence disrupting microbial communities, inhibiting plant growth, altering ecosystem functions, potentially leading biodiversity loss. In plants, contamination manifests form abiotic stress, inducing oxidative cellular damage, growth inhibition. Plants respond by activating antioxidant defenses stress-related pathways. A notable aspect defense mechanisms involves plant-derived extracellular vesicles (PDEVs), which membrane-bound nanoparticles released cells. PDEVs play crucial role enhancing facilitating intercellular communication coordinating responses. The interaction between PDEVs, while not fully elucidated, suggests complex interplay mechanisms. may contribute detoxification pollutant sequestration or delivering enzymes capable degradation. Studying provides valuable insights stress resilience offers potential new strategies mitigating PAH-induced plants ecosystems.

Language: Английский

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Response of marine and terrestrial environments to Triassic–Paleogene hyperthermals

Palaeogeography Palaeoclimatology Palaeoecology, Journal Year: 2024, Volume and Issue: 655, P. 112562 - 112562

Published: Oct. 16, 2024

Language: Английский

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