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Pellets of some mollusks in the biogeochemical flows of C, N, P, Si, and Al.
First measurements of concentrations of some chemical elements (C, N, P, Si, and Al) in the pellets of aquatic mollusks. The first measurements of the biogeochemical fluxes of those elements with the pellets. A discovery of a new type of geochemical fluxes of chemical elements in the biosphere: the vertical (downward) flux of the elements toward the bottom of freshwater ecosystems, via pellets of bivalves (freshwater mussels,
Unio sp. and other species).
PMID: 12918380; Full text: scribd.com/doc/49065604; http://www.scribd.com/doc/45911730; http://b23.ru/ndgz;
In Russian, по-русски:
С. А. Остроумов,М. П. Колесников. Пеллеты моллюсков в биогеохимических потоках С,
N, P, Si, Al // ДАН. 2001. Т.379. №. 3, с.426- 429.
http://www.moip.msu.ru/?p=165 ; http://istina.msu.ru/publications/article/1062578/ ;
The journal is bieng translated into English:
MORE DETAILED ABSTRACTS:
Pellets of some mollusks in the biogeochemical flows of C, N, P, Si, and Al. - Doklady Biological Sciences, 2001. Vol. 379, P. 378-381. Bibliogr. 12. (Translated from: DAN 2001. Vol. 379. No. 3. P. 426-429). ISSN 0012-4966. Distributed by Springer, orderdept@springer-sbm.com [In collaboration: S.A.O., Kolesnikov M.P.]
Until now the role of mollusks as links among ecological and geochemical processes was underestimated. The paper discovered the role of mollusks as key biomachines that drive massive flows of chemical elements including C, N, P, Si, Al in the biosphere, and hazards from pollutants as inhibitors. New data on coupling of geochemical and ecological (hydrobiological) processes. The role of freshwater mollusks Lymnaea stagnalis in the flows of chemical elements in the biosphere was studied by detecting the elemental composition and amount of pellets produced by the mollusks. For the first time, the following was quantitatively studied: the elemental composition (C, N, P, Si, Al) of pellets formed by mollusks Lymnaea stagnalis feeding on the leaves of higher plants Nuphar lutea and Taraxacum officinale; the amount (wet weight, dry weight) of pellets formed by L. stagnalis feeding on the leaves of N. lutea and T. officinale; the transfer of matter and chemical elements (C, N, P, Si, Al) with pellets of freshwater bivalves (unionids Unio sp., etc.) per unit biomass of mollusks and per unit area of the ecosystem of the river; the transfer of matter and chemical elements (C, N, P, Si, Al) with pellets of L. stagnalis per unit biomass of mollusks and per unit area of the ecosystem of the pond. Synthetic surfactants ТDТМА 2 mg/l, SDS 1-2 mg/l, detergent Tide-Lemon 75 mg/l inhibited the trophic activity of L. stagnalis. Percents of food assimilability of taxons of invertebrates, from Rotatoria (48-80) to Diptera (1-31)]. DOI 10.1023/A:1011620817764; http://sites.google.com/site/2001dbs379p378pellets/ [Elemental composition (C, N, P, Si, Al) of pellets formed by Lymnaea stagnalis feeding on the leaves of Nuphar lutea and Taraxacum officinale; amount (wet weight, dry weight) of pellets formed by L. stagnalis feeding on the leaves of N. lutea and T. officinale; transfer of matter and chemical elements (C, N, P, Si, Al) with pellets of freshwater bivalves (unionids Unio sp., etc.) per unit biomass of mollusks and per unit area of the ecosystem of the river; transfer of matter and chemical elements (C, N, P, Si, Al) with pellets of L. stagnalis per unit biomass of mollusks and per unit area of the ecosystem of the pond. ТDТМА 2 mg/l, SDS 1-2 mg/l, detergent Tide-Lemon 75 mg/l inhibited the trophic activity of L. stagnalis. Percents of food assimilability of taxons of invertebrates, from Rotatoria (48-80) to Diptera (1-31)].
IN RUSSIAN:
Пеллеты моллюсков в биогеохимических потоках C, N, P, Si, Al. // ДАН. 2001. Т. 379. № 3. С. 426-429. Библиогр. 12 назв. [Совместно: С.А.O., Колесников М.П.]. [Представлено академиком М.Е. Виноградовым. Изучали роль экскретируемых моллюсками пеллет в миграции химических элементов в условиях экспериментальных микрокосмов и воздействие поверхностно-активных веществ (ПАВ) на питание моллюсков (Lymnaea stagnalis и унионид) и экскрецию ими пеллет. При использовании листьев Nuphar lutea в качестве корма образовывались пеллеты, содержащие: C, 69.74%; N, 2.3-2.9%; P, 0.4-0.5%; Si, 1.1-1.7%; Al, 0.054-0.059%. Состав пеллет выборки природного сообщества двустворчатых моллюсков (Unio tumidus 63.21%, U. pictorum 27.36 %, Crassiana crassa 7.55 % и Anodonta cygnea 1.89 %) при питании природным сестоном: С (64.3%), N (2.73%), P (0.39%), Si (1.14%), Al (0.071%). Трофическая активность моллюсков ингибировалась ТДТМА и другими ПАВ. Выявлены новые эффекты при воздействии ТДТМА 2 мг/л, ДСН 1-2 мг/л, СМС Tide-Lemon 75 мг/л: ингибировали трофическую активность Lymnaea stagnalis Новые результаты свидетельствовали об ингибировании переноса вещества через данное звено трофической цепи и возможности антропогенного нарушения биогеохимических потоков.Выявлены новые. эффекты при воздействии ТДТМА 2 мг/л, ДСН 1-2 мг/л, СМС Tide-Lemon 75 мг/л: ингибировали трофическую активность Lymnaea stagnalis].[less]
Pellets of some mollusks in the biogeochemical flows of C, N, P, Si, and Al.
Pellets-of-some-mollusks-in-the-biogeochemical-flows-of-C-N-P-Si-and-Al
ABSTRACT: S. A. Ostroumov, and M. P.Kolesnikov. Pellets of some mollusks in the biogeochemical flows of C, N, P, Si,and Al. - Doklady Biological Sciences, 2001, v.379, p.378-381.
Full text free: https://www.researchgate.net/publication/259579605_;
First measurements of concentrations of some chemical elements (C, N, P, Si, and Al) in the pellets of aquatic mollusks. The first measurements of the biogeochemical fluxes of those elements with the pellets. A discovery of a new type of geochemical fluxes of chemical elements in the biosphere: the vertical (downward) flux of the elements toward the bottom of freshwater ecosystems, via pellets of bivalves (freshwater mussels,
Unio sp. and other species).
PMID: 12918380; Full text: scribd.com/doc/49065604; http://www.scribd.com/doc/45911730; http://b23.ru/ndgz;
In Russian, по-русски:
С. А. Остроумов,М. П. Колесников. Пеллеты моллюсков в биогеохимических потоках С,
N, P, Si, Al // ДАН. 2001. Т.379. №. 3, с.426- 429.
http://www.moip.msu.ru/?p=165 ; http://istina.msu.ru/publications/article/1062578/ ;
The journal is bieng translated into English:
Pellets of some mollusks in the biogeochemical flows of C, N, P, Si, and Al. - Doklady Biological Sciences, 2001. Vol. 379, P. 378-381. Bibliogr. 12. (Translated from: DAN 2001. Vol. 379. No. 3. P. 426-429). ISSN 0012-4966. Distributed by Springer, orderdept@springer-sbm.com [In collaboration: S.A.O., Kolesnikov M.P.]
Until now the role of mollusks as links among ecological and geochemical processes was underestimated. The paper discovered the role of mollusks as key biomachines that drive massive flows of chemical elements including C, N, P, Si, Al in the biosphere, and hazards from pollutants as inhibitors. New data on coupling of geochemical and ecological (hydrobiological) processes. The role of freshwater mollusks Lymnaea stagnalis in the flows of chemical elements in the biosphere was studied by detecting the elemental composition and amount of pellets produced by the mollusks. For the first time, the following was quantitatively studied: the elemental composition (C, N, P, Si, Al) of pellets formed by mollusks Lymnaea stagnalis feeding on the leaves of higher plants Nuphar lutea and Taraxacum officinale; the amount (wet weight, dry weight) of pellets formed by L. stagnalis feeding on the leaves of N. lutea and T. officinale; the transfer of matter and chemical elements (C, N, P, Si, Al) with pellets of freshwater bivalves (unionids Unio sp., etc.) per unit biomass of mollusks and per unit area of the ecosystem of the river; the transfer of matter and chemical elements (C, N, P, Si, Al) with pellets of L. stagnalis per unit biomass of mollusks and per unit area of the ecosystem of the pond. Synthetic surfactants ТDТМА 2 mg/l, SDS 1-2 mg/l, detergent Tide-Lemon 75 mg/l inhibited the trophic activity of L. stagnalis. Percents of food assimilability of taxons of invertebrates, from Rotatoria (48-80) to Diptera (1-31)]. DOI 10.1023/A:1011620817764; http://sites.google.com/site/2001dbs379p378pellets/ [Elemental composition (C, N, P, Si, Al) of pellets formed by Lymnaea stagnalis feeding on the leaves of Nuphar lutea and Taraxacum officinale; amount (wet weight, dry weight) of pellets formed by L. stagnalis feeding on the leaves of N. lutea and T. officinale; transfer of matter and chemical elements (C, N, P, Si, Al) with pellets of freshwater bivalves (unionids Unio sp., etc.) per unit biomass of mollusks and per unit area of the ecosystem of the river; transfer of matter and chemical elements (C, N, P, Si, Al) with pellets of L. stagnalis per unit biomass of mollusks and per unit area of the ecosystem of the pond. ТDТМА 2 mg/l, SDS 1-2 mg/l, detergent Tide-Lemon 75 mg/l inhibited the trophic activity of L. stagnalis. Percents of food assimilability of taxons of invertebrates, from Rotatoria (48-80) to Diptera (1-31)].
IN RUSSIAN:
Пеллеты моллюсков в биогеохимических потоках C, N, P, Si, Al. // ДАН. 2001. Т. 379. № 3. С. 426-429. Библиогр. 12 назв. [Совместно: С.А.O., Колесников М.П.]. [Представлено академиком М.Е. Виноградовым. Изучали роль экскретируемых моллюсками пеллет в миграции химических элементов в условиях экспериментальных микрокосмов и воздействие поверхностно-активных веществ (ПАВ) на питание моллюсков (Lymnaea stagnalis и унионид) и экскрецию ими пеллет. При использовании листьев Nuphar lutea в качестве корма образовывались пеллеты, содержащие: C, 69.74%; N, 2.3-2.9%; P, 0.4-0.5%; Si, 1.1-1.7%; Al, 0.054-0.059%. Состав пеллет выборки природного сообщества двустворчатых моллюсков (Unio tumidus 63.21%, U. pictorum 27.36 %, Crassiana crassa 7.55 % и Anodonta cygnea 1.89 %) при питании природным сестоном: С (64.3%), N (2.73%), P (0.39%), Si (1.14%), Al (0.071%). Трофическая активность моллюсков ингибировалась ТДТМА и другими ПАВ. Выявлены новые эффекты при воздействии ТДТМА 2 мг/л, ДСН 1-2 мг/л, СМС Tide-Lemon 75 мг/л: ингибировали трофическую активность Lymnaea stagnalis Новые результаты свидетельствовали об ингибировании переноса вещества через данное звено трофической цепи и возможности антропогенного нарушения биогеохимических потоков.Выявлены новые. эффекты при воздействии ТДТМА 2 мг/л, ДСН 1-2 мг/л, СМС Tide-Lemon 75 мг/л: ингибировали трофическую активность Lymnaea stagnalis].