Abstract
Content of the metals Fe, Mn, Ni, Pb, Zn, Cd, and Cu was determined in the water, suspended matter, plankton organisms and bivalves collected in the brackish-water lagoon lakes on the coast of the Japan Sea in July 2011-2012, August 2013, and July 2014. The lakes are located in the sparsely populated area of eastern Sikhote-Alin including the Sikhote-Alin biosphere nature reserve. The content of Fe, Mn, Ni, and Pb has a tendency to decrease along the trophic chain that is conditioned by prevalence of their suspended forms over dissolved ones in the water and decreasing of the surface : weight ratio with size of living organisms. On the contrary, the content of Cu, Zn and Cd is rather stable along the food chain because of prevalence of their dissolved forms and low content in the suspended organic matter.
Highlights
Ключевые слова: Японское море, восточный Сихотэ-Алинь, солоноватоводные лагунные озера, тяжелые металлы, трофическая цепь, двустворчатые моллюски, планктон, взвешенное вещество
Content of the metals Fe, Mn, Ni, Pb, Zn, Cd, and Cu was determined in the water, suspended matter, plankton organisms and bivalves collected in the brackish-water lagoon lakes on the coast of the Japan Sea in July 2011–2012, August 2013, and July 2014
The content of Fe, Mn, Ni, and Pb has a tendency to decrease along the trophic chain that is conditioned by prevalence of their suspended forms over dissolved ones in the water and decreasing of the surface : weight ratio with size of living organisms
Summary
Content of the metals Fe, Mn, Ni, Pb, Zn, Cd, and Cu was determined in the water, suspended matter, plankton organisms and bivalves collected in the brackish-water lagoon lakes on the coast of the Japan Sea in July 2011–2012, August 2013, and July 2014. Что касается остальных микроэлементов и тяжелых металлов, они, как правило, по трофической цепи не накапливаются, однако иногда процессы биомагнификации наблюдаются и для таких химических элементов, как Pb, Zn, Cd (Cui et al, 2011; Rubio-Franchini, Rico-Martínez, 2011; Monferrán et al, 2016). 1. Лагунные озера побережья Японского моря (восточный Сихотэ-Алинь) Fig. 1. Цель данной работы — представить результаты исследования концентрации микроэлементов в организмах трофической цепи планктон — двустворчатые моллюски-фильтраторы (Corbicula japonica) в солоноватоводных озерах побережья Японского моря (Духовском, Круглом, Мраморном и Благодати) с учетом особенностей среды их обитания
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