Home » » Contemporary Problems of Ecology; Volume 3, Issue 4, August 2010, Pages 369-373; The Role of Biodetritus in Accumulation of Elements in Aquatic Ecosystems (Article); DOI: 10.1134/S1995425510040016; Ostroumov, S.A.a , Kolesov, G.M.b a Department of Biology, Lomonosov Moscow State University, Leninskie Gory, Moscow 119234, Russian Federation ; b V. I. Vernadsky Institute of Geochemistry and Analytical Chemistry, ul. Kosygina, 19, Moscow 119991, Russian Federation ;

Contemporary Problems of Ecology; Volume 3, Issue 4, August 2010, Pages 369-373; The Role of Biodetritus in Accumulation of Elements in Aquatic Ecosystems (Article); DOI: 10.1134/S1995425510040016; Ostroumov, S.A.a , Kolesov, G.M.b a Department of Biology, Lomonosov Moscow State University, Leninskie Gory, Moscow 119234, Russian Federation ; b V. I. Vernadsky Institute of Geochemistry and Analytical Chemistry, ul. Kosygina, 19, Moscow 119991, Russian Federation ;

Volume 3, Issue 4, 2010, Pages 369-373;

The Role of Biodetritus in Accumulation of Elements in Aquatic Ecosystems  (Article);

DOI: 10.1134/S1995425510040016;  

http://link.springer.com/article/10.1134%2FS1995425510040016 

a  Department of Biology, Lomonosov Moscow State University, Leninskie Gory, Moscow 119234, Russian Federation ;
b  V. I. Vernadsky Institute of Geochemistry and Analytical Chemistry, ul. Kosygina, 19, Moscow 119991, Russian Federation ;
 http://5bio5.blogspot.com/2015/02/contemporary-problems-of-ecology-volume_10.html

Abstract:

Biodetritus (biological detritus) that formed over a 7-month period in microcosms with aquatic organisms, mollusks Viviparus viviparus, Unio pictorum, and aquatic higher plants (macrophytes) Ceratophyllum demersum (hornwort, rigid hornwort, coontail, or coon's tail) contained a number of elements. This is the first study to determine concentrations of some elements in biodetritus. The measurements using the instrumental method of neutron activation analysis showed that the elements' concentrations decrease in the following order: Ca > Zn > Ba > Br > Ce > Se > Nd > La > U > Hf > Sb > Th > Sm > S > Cs > Au.
The method of detection of the chemical elements: NAA (neutron activation analysis).
The data obtained contribute to understanding of the multifunctional (polyfunctional) role of aquatic organisms in aquatic ecosystems. © 2010 Pleiades Publishing, Ltd.

Explanation of terminology:
NAA (neutron activation analysis) - hi-tech efficient method to detect many chemical elements using radiation from a nuclear reactor.

Ceratophyllum demersum (hornwort, rigid hornwort, coontail, or coon's tail) - the Latin name of a species of submerged water higher plants. It is a cosmopolitan common species which makes the results of it studies really important.

Viviparus viviparus, Unio pictorum, - Latin names of species of freshwater mollusks; they are common species, of great role and importance in freshwater ecosystems.

Author keywords:

Ceratophyllum demersum,  Unio, Unio pictorum, Viviparus, Viviparus viviparus, Unio,
Ceratophyllum, Mollusca,  detritus, mollusks, rare elements, scattered elements, water quality,
instrumental method, aquatic organisms, freshwater, ecology, biogeochemistry, metal, rare-earth, metalloids, lanthanides, rare earth, gold, calcium, zinc, barium, bromine, cerium, selenium, neodymium, lanthanum,  uranium, hafnium, antimony, thorium, samarium, sulfur, sulphur, cesium,
Ca, Zn, Ba, Br, Ce, Se, Nd, La, U, Hf, Sb, Th, Sm, S, Cs, Au, hornwort, rigid hornwort, coontail,  coon's tail, environmental chemistry,

Indexed keywords

GEOBASE Subject Index: aquatic ecosystem; bioaccumulation; detritus; microcosm; neutron activation analysis; snail; water quality;
Species Index: Ceratophyllum; Ceratophyllum demersum; Mollusca; Unio; Unio pictorum; Viviparus; Viviparus viviparus;
ISSN: 19954255; Source Type: Journal;  Original language: English;
DOI: 10.1134/S1995425510040016; 
 http://link.springer.com/article/10.1134%2FS1995425510040016;
 Document Type: Article;
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Video on one of the aquatic species mentioned above:

www.youtube.com/watch?v=EqmHUrBwohA 



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