巴西尾矿灾害背景下生物壳内蓝藻和苔藓的多样性及生命策略

IF 3.6 3区 生物学 Q1 PLANT SCIENCES
Plant Biology Pub Date : 2025-05-09 DOI:10.1111/plb.70037
M. F. Oliveira, L. A. Souza, C. C. Figueredo, A. S. Maciel-Silva
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引用次数: 0

摘要

本研究调查了全球最严重的工业灾害之一巴西fund o大坝破裂的影响,重点研究了隐生先锋生物,它们对形成生物土壤结壳(生物外壳)至关重要。这些群落分布在浅层土壤中,具有固定碳氮、增强土壤团聚、保持水分和促进维管植物生长的重要作用,是尾矿修复的重要工具。在此框架下,我们比较了两个站点-一个受影响(IS)和一个保存(PS) -重点关注土壤化学,生物结壳分类群,以及苔藓植物和蓝藻的生命策略。分析了土壤的宏量和微量养分、有机质和阳离子交换容量(CEC和ECEC)。通过显微镜鉴定生物结皮。苔藓植物的生命策略根据孢子大小、繁殖策略和生命形式等特征进行分类,而蓝藻被分类为先驱者、停留者或随机物种。我们的研究结果显示,两个地点的生物结皮种类都很多样,在IS地区以逃亡藓类和殖民地藓类为主,而PS地区则只有多年生胸膜藓类和叶苔类。与保存完好的地点相比,受影响地点的磷含量较低,CEC和ECEC也较低。断裂4年后,IS和PS之间的苔藓植物多样性、生命策略和土壤参数仍然存在差异,凸显了尾矿开采的持久影响。鉴于生物结壳的生态作用,将其纳入监测和修复工作对生态系统恢复至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Diversity and life strategies of cyanobacteria and bryophytes within biocrusts in the context of mining tailings disasters in Brazil

Diversity and life strategies of cyanobacteria and bryophytes within biocrusts in the context of mining tailings disasters in Brazil

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来源期刊
Plant Biology
Plant Biology 生物-植物科学
CiteScore
8.20
自引率
2.60%
发文量
109
审稿时长
3 months
期刊介绍: Plant Biology is an international journal of broad scope bringing together the different subdisciplines, such as physiology, molecular biology, cell biology, development, genetics, systematics, ecology, evolution, ecophysiology, plant-microbe interactions, and mycology. Plant Biology publishes original problem-oriented full-length research papers, short research papers, and review articles. Discussion of hot topics and provocative opinion articles are published under the heading Acute Views. From a multidisciplinary perspective, Plant Biology will provide a platform for publication, information and debate, encompassing all areas which fall within the scope of plant science.
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