Concentrations of Trace Elements (Mn, Zn, Cu, Fe, Ni, Co, and Cd) in Invasive Fish Perccottus glenii in Water Bodies of Moscow

A. B. Petrovskiy, D. A. Ksenofontov, E. I. Kozhanova, A. N. Reshetnikov
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Abstract

Microclimates of large cities and global warming favor the range expansion of the Far-Eastern invasive fish Perccottus glenii in northern regions of Europe where this invader becomes a component of local ecosystems and participates in transmission of parasites and pollutants along food chains. We have assessed contents of seven trace elements in muscle tissues of this invasive fish in 16 water bodies within the city of Moscow. In all water bodies studied, quantities of all studied elements did not exceed the maximum concentrations permitted in national and international guidelines. Therefore, the screened water bodies of Moscow may be assessed as unpolluted. The fish P. glenii is a convenient object for assessing pollution levels of city ponds, since this fish species is now widespread, reaches a high population densities in shallow aquatic sites, may be caught easily, no permit is required for its capture because the species is recognized as invasive, and its partial elimination does not damage native freshwater ecosystems.

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莫斯科水体中入侵鱼类 Perccottus glenii 体内微量元素(锰、锌、铜、铁、镍、钴和镉)的浓度
摘要 大城市的微气候和全球变暖有利于远东入侵鱼 Perccottus glenii 在欧洲北部地区的分布范围扩大,这种入侵者成为当地生态系统的一个组成部分,并沿着食物链参与寄生虫和污染物的传播。我们对莫斯科市 16 个水体中这种入侵鱼类肌肉组织中的七种微量元素含量进行了评估。在所有研究水体中,所有研究元素的含量均未超过国家和国际准则允许的最高浓度。因此,经筛选的莫斯科水体可以被评定为未受污染的水体。格陵兰鱼是评估城市池塘污染程度的一个方便对象,因为这种鱼类现在很普遍,在浅水区的种群密度很高,很容易捕捉,捕捉这种鱼不需要许可证,因为这种鱼类被认为是入侵物种,而且部分消灭这种鱼不会破坏本地淡水生态系统。
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来源期刊
CiteScore
1.20
自引率
14.30%
发文量
40
期刊介绍: Russian Journal of Biological Invasions  publishes original scientific papers dealing with biological invasions of alien species in both terrestrial and aquatic ecosystems and covers the following subjects:description of invasion process (theory, modeling, results of observations and experiments): invasion corridors, invasion vectors, invader species adaptations, vulnerability of aboriginal ecosystems;monitoring of invasion process (reports about findings of organisms out of the limits of natural range, propagule pressure assessment, settling dynamics, rates of naturalization);invasion risk assessment; genetic, evolutional, and ecological consequences of biological invasions of alien species; methods, means of hoarding, processing and presentation of applied research data (new developments, modeling, research results, databases) with factual and geoinformation system applications;use of the results of biological invasion research (methods and new basic results) under the study of marine, fresh-water and terrestrial species, populations, communities and ecosystems; control, rational use and eradication of the harmful alien species..
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