Species-specific chlorine and bromine accumulation in temperate mushrooms: on the possible role of fungi in halogen cycling

IF 4.3 3区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

Biogeochemistry Pub Date : 2026-05-06 Epub Date: 2026-06-29 DOI:10.1007/s10533-026-01337-9

Iva Synková, Anna Žigová, Jan Borovička

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引用次数: 0

Abstract

Chlorine (Cl) and bromine (Br) are important but understudied elements in terrestrial ecosystems, and their accumulation in mushrooms remains poorly characterized. We determined Cl and Br content in 126 mushroom samples collected from a temperate coniferous forest plantation with uniform environmental characteristics. The concentrations of both elements were also determined in a representative soil profile and organic topsoil layers across the studied site. The halogen concentrations in mushrooms ranged from 30 to 35,900 mg Cl kg⁻¹ and 0.18 to 45.9 mg Br kg⁻¹ (dry mass). The accumulation of Cl showed species- and genus-specific patterns, and the Cl concentrations were up to a hundred times higher than those in the topsoil. The concentrations of Br in mushrooms were several orders of magnitude lower than the concentrations of Cl and generally lower than those in the soil layers. Considerable accumulation of both elements was noted in ectomycorrhizal species of the genus Amanita. Multivariate analysis revealed no significant relationship between total Cl and other macroelements except for a weak relationship with potassium. The results provide new insights into halogen accumulation in fungi and indicate a potential role of mushrooms in the biogeochemical cycling of Cl and Br in temperate forest ecosystems.

Graphical Abstract

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温带蘑菇中氯和溴的特定积累：真菌在卤素循环中的可能作用

氯（Cl）和溴（Br）是陆地生态系统中重要但研究不足的元素，它们在蘑菇中的积累特征仍然很差。对采自具有统一环境特征的温带针叶林的126个蘑菇样品进行了Cl和Br含量测定。这两种元素的浓度也在研究地点的代表性土壤剖面和有机表土层中进行了测定。蘑菇中的卤素浓度从30到35,900毫克氯千克毒血症和0.18到45.9毫克溴千克毒血症（干质量）不等。土壤中Cl的积累表现出种间和属间的分布规律，其浓度最高可达表层土壤的100倍。蘑菇中Br的浓度比Cl的浓度低几个数量级，且普遍低于土层中Br的浓度。这两种元素在金刚伞属的外生菌根物种中都有相当大的积累。多因素分析显示，除钾元素与总氯元素关系较弱外，其他微量元素与总氯元素关系不显著。这些结果为真菌的卤素积累提供了新的见解，并表明蘑菇在温带森林生态系统中Cl和Br的生物地球化学循环中的潜在作用。图形抽象

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来源期刊

Biogeochemistry 环境科学-地球科学综合

CiteScore

7.10

自引率

5.00%

发文量

112

审稿时长

3.2 months

期刊介绍： Biogeochemistry publishes original and synthetic papers dealing with biotic controls on the chemistry of the environment, or with the geochemical control of the structure and function of ecosystems. Cycles are considered, either of individual elements or of specific classes of natural or anthropogenic compounds in ecosystems. Particular emphasis is given to coupled interactions of element cycles. The journal spans from the molecular to global scales to elucidate the mechanisms driving patterns in biogeochemical cycles through space and time. Studies on both natural and artificial ecosystems are published when they contribute to a general understanding of biogeochemistry.