黑松针结构修饰作为环境污染的潜在生物标志物

IF 0.9 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Carpathian Journal of Earth and Environmental Sciences Pub Date : 2022-02-01 DOI:10.26471/cjees/2022/017/205

G. Maria, C. Banciu, Mihnea Vladimirescu, I. Paica, Anca Manole

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引用次数: 0

摘要

本文研究了城市污染地区采集的黑松针的微观形态特征和解剖结构变化，以期为空气污染生物监测提供新的生物标志物。植物样本于2021年7月从布加勒斯特的10个不同污染地点收集，并使用光学和扫描电子显微镜进行分析。与污染较少的地点相比，针尖的显微形态和结构发生了明显的变化，气孔复合物受损，管状蜡型被侵蚀，蜡晶结构完全退化，气孔周围区域凸起，早期蜡塞穿孔，表皮齿异常。用x射线荧光光谱法测定了样品的重金属负荷，结果表明结构蚀变发生率与针状重金属表面沉积呈正相关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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STRUCTURAL MODIFICATIONS IN BLACK PINE NEEDLES AS POTENTIAL BIOMARKERS OF ENVIRONMENTAL POLLUTION

This study presents micro-morphological characters and anatomical modifications detected in black pine needles collected from urban polluted areas in order to propose new biomarkers useful in air pollution biomonitoring. The plant samples were collected during the July 2021 from 10 different polluted sites from Bucharest and analyzed using light and scanning electron microscopy. When compared with the samples collected from less polluted sites, needle micromorphology and structure have showed significant alterations such as injured stomatal complex, eroded forms of tubular wax type and complete degradation of wax crystalline structure, raised peristomatal areas, early wax plugs perforations and abnormal epidermal teeth. The loads of heavy metal of samples were assessed by X-ray fluorescence spectrometry and the results showed a positive correlation between structural alteration incidence and needle heavy metal surface depositions.

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来源期刊

Carpathian Journal of Earth and Environmental Sciences 环境科学-环境科学

CiteScore

2.30

自引率

25.00%

发文量

审稿时长

12-24 weeks

期刊介绍： The publishing of CARPATHIAN JOURNAL of EARTH and ENVIRONMENTAL SCIENCES has started in 2006. The regularity of this magazine is biannual. The magazine will publish scientific works, in international purposes, in different areas of research, such as : geology, geography, environmental sciences, the environmental pollution and protection, environmental chemistry and physic, environmental biodegradation, climatic exchanges, fighting against natural disasters, protected areas, soil degradation, water quality, water supplies, sustainable development.