多金属矿开采对北极群岛小河口底栖水生生物群落的影响评估

IF 2.7 3区 地球科学 Q1 ENGINEERING, MARINE
Igor V. Miskevich, Alexey S. Lokhov, Dmitry S. Moseev, Ekaterina I. Kotova
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引用次数: 0

摘要

本文介绍了对北极瓦伊加赫岛河口底栖沉积物和藻类中铝和重金属含量的研究结果。该岛位于巴伦支海和喀拉海交界处,是帕伊-霍伊山脊的一部分,可以说是乌拉尔山脉向北的 "延续"。观测对象是位于该岛南部、流入尤戈尔斯基-沙尔海峡的克拉斯纳亚河和瓦尔库里亚卡河。克拉斯纳亚河位于一个多金属矿床附近,该矿床开发于 1931-1934 年。通过测量盐度和水位,对河口进行了实地考察。用原子发射光谱法测量了所研究的沉积物和藻类样本中元素的质量浓度。植物样本的制备采用微波分解法,底层沉积物样本的制备采用酸分解法。使用 "Tukey 探索性数据分析(EDA)"对获得的浓度样本进行比较。结果表明,克拉斯诺雅河口对照地点的丝状藻类中铜、锰和锌含量较高,存在异常现象。对于某些元素,计算出了相对于地壳上部含量的富集指数。据推测,出现这种情况是由于开采多金属矿造成的长期后果。河口金属的积累可能与所观察到的北极地区西部气候变暖有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Polymetallic Ore Mining Impact Assessment on the Benthic Hydrobiocenosis of the Small Estuaries on the Arctic Islands
The results of studies on the content of aluminum and heavy metals in benthic sediments and algae in the estuaries of the Arctic island Vaygach are presented. This island is located on the Barents and Kara Sea border, and it is part of the Pay-Khoi ridge which can be called a “continuation” of the Ural Mountains to the north. The observations were conducted in Krasnaya and Varkulyakha Rivers located in the island’s southern part and flow into the Yugorsky Shar Strait. Krasnaya River is located near a polymetallic ore deposit, which was developed in 1931–1934. Reconnaissance fieldwork was carried out in the river estuaries through measurements of salinity and water level. Measurements of the mass concentration of elements in the studied samples of sediments and algae were carried out by atomic emission spectrometry. The preparation of plant samples was by microwave decomposition, and that for samples of bottom sediments was carried out by acid decomposition in an open manner. The obtained concentration samples were compared using “Tukey exploratory data analysis (EDA)”. The presence of anomalies in the high content of copper, manganese, and zinc in filamentous algae at the control site in the Krasnaya River estuary was revealed. For some elements, the enrichment index was calculated relative to the upper part of the earth’s crust content. It is assumed that the occurrence of this situation is due to the long-term consequences of mining polymetallic ores. The accumulation of metals in river estuaries may be related to the observed warming of the climate in the western sector of the Arctic region.
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来源期刊
Journal of Marine Science and Engineering
Journal of Marine Science and Engineering Engineering-Ocean Engineering
CiteScore
4.40
自引率
20.70%
发文量
1640
审稿时长
18.09 days
期刊介绍: Journal of Marine Science and Engineering (JMSE; ISSN 2077-1312) is an international, peer-reviewed open access journal which provides an advanced forum for studies related to marine science and engineering. It publishes reviews, research papers and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation or experimental procedure, if unable to be published in a normal way, can be deposited as supplementary electronic material.
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