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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Syshchik N.N., Skoptsova G.N., Parfentsova L.S., Kalacheva G.S.
Заглавие : Evidences on selective feeding of omnivorous species of zoobenthos in a fish pond on the basis of biochemical markers
Колич.характеристики :3 с
Место публикации : Dokl. Akad. Nauk: MEZHDUNARODNAYA KNIGA, 1999. - Vol. 364, Is. 4. - P566-568. - ISSN 0869-5652
Примечания : Cited References: 9
Предметные рубрики: FATTY-ACIDS
WOS
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Yermokhin M. V., Sushchik N. N., Tabachishin V. G., Kalacheva G. S., Kolmakova A. A., Gladyshev M. I.
Заглавие : Amphibia as a Vector of Transfer of Long-Chain Polyunsaturated Omega-3 Fatty Acids from Aquatic to Terrestrial Ecosystems
Колич.характеристики :3 с
Коллективы : Russian Foundation for Basic Research [16-04-01248]; Russian Academy of Sciences [II.2P/VI.51-1]; Ministry of Education and Science of the Russian Federation [6.1504.2017/PCh]; program of the President of the Russian Federation for state support of leading scientific schools [NSh-9249.2016.5]
Место публикации : Dokl. Biochem. Biophys.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2018. - Vol. 481, Is. 1. - С. 195-197. - ISSN 1607-6729, DOI 10.1134/S160767291804004X. - ISSN 1608-3091(eISSN)
Примечания : Cited References:15. - This work was supported by the Russian Foundation for Basic Research (project no. 16-04-01248), project of the Russian Academy of Sciences no. II.2P/VI.51-1, the State Task of the Ministry of Education and Science of the Russian Federation to the Siberian Federal University for research (no. 6.1504.2017/PCh), and the program of the President of the Russian Federation for state support of leading scientific schools (project no. NSh-9249.2016.5).
Предметные рубрики: FATTY-ACIDS
WATER
INSECTS
EXPORT
LAND
EMERGENCE
BIOMASS
FLUXES
Аннотация: The flow of long-chain polyunsaturated fatty acids (PUFAs) of the omega-3 family, namely, eicosapentaenoic acid (20:5n-3, EPA) and docosahexaenoic acid (22:6n-3, DHA), exported by amphibian metamorphs from water to terrestrial ecosystems in the Medveditsa River floodplain, was quantified for the first time. The total biomass export by three amphibian species (Pelobates fuscus, Bombina bombina, and Pelophylax ridibundus) per unit area of the lake surface was 0.594 g/m(2) per year (as a mean for 2 years). The biomass flow per unit area of land was 0.726 g/ha per year (0.302 g/ha per year for organic carbon) in 2015-2016. The average annual total removal of EPA + DHA by amphibians from the floodplain lake was 1.47 mg/m(2) of water surface area. Due to the high content of EPA and DHA in biomass, amphibians are potentially a valuable food for terrestrial predators having no access to other sources of essential PUFAs.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Feniova, I. Yu, Sakharova E. G., Gladyshev, M., I, Sushchik N. N., Gorelysheva, Z., I, Karpowicz M.
Заглавие : EFFECTS OF FISH ON THE TRANSFER EFFICIENCY OF CARBON, PUFA AND NUTRIENTS FROM PHYTOPLANKTON TO ZOOPLANKTON UNDER EUTROPHIC CONDITIONS
Колич.характеристики :15 с
Место публикации : Zool. Zhurnal: MAIK NAUKA-INTERPERIODICA PUBL, 2021. - Vol. 100, Is. 2. - С. 194-208. - ISSN 0044-5134, DOI 10.31857/S0044513421020215
Примечания : Cited References:49
Предметные рубрики: FATTY-ACIDS
FOOD QUALITY
FRESH-WATER
ZEBRA MUSSELS
PHOSPHORUS
Аннотация: The efficiency of the transfer of carbon, polyunsaturated fatty acids (PUFA), nitrogen and phosphorus from phytoplankton to zooplankton determines the functioning of the entire ecosystem. However, this parameter depends on environmental conditions. Fish as a very important factor to regulate planktonic communities are very likely to affect the efficiency of the transfer of basic elements and substances from phytoplankton to zoo plankton. In experimental mesocosms filled with water from an eutrophic lake and containing phyto- and zooplankton, we investigated how fish affect both primary and secondary production and the efficiency of transfer of carbon, nitrogen, phosphorus, PUFA and fatty acids (FA) from phytoplankton to zooplankton. Two treatments (control and fish treatment) were repeated in three replicates. The transfer efficiency of substances from phytoplankton to zooplankton was measured as the ratio of secondary to primary production, expressed in liters and per biomass unit in percent. The efficiency expressed per liter characterizes the productivity of the water body, while the efficiency expressed per biomass unit indicates the effectiveness of aquatic species to transfer biologically valuable substances from one trophic level to another. We found that phytoplankton-zooplankton-fish interactions are determined not only by predator-prey relationships, but also are affected by the quality of both phytoplankton and zooplankton, measured as the contents of phosphorus, nitrogen, PUFA and FA in their biomass. We showed that, in the presence of fish, the transfer efficiency of carbon, phosphorus, nitrogen, eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), FA per biomass unit from phytoplankton to zooplankton was increased two-fold, 12.4-fold, 2,5-fold, 12.4-fold, 7.4-fold, and 10-fold, respectively, relative to control. This provides the sustainability of the functioning of the ecosystem under fish pressure. Such a mechanism prevents zooplankton over-exploitation by fish and enables to prolong the food chain.
WOS
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Feniova, I. Yu, Sakharova E. G., Gladyshev, M., I, Sushchik N. N., Gorelysheva, Z., I, Karpowicz M.
Заглавие : Effect of Fish on the Transfer Efficiency of Carbon, PUFA, and Nutrients from Phytoplankton to Zooplankton under Eutrophic Conditions
Колич.характеристики :14 с
Коллективы : National Science Center of PolandNational Science Centre, Poland [UMO-506 2016/21/B/NZ8/00434]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-54-00002 Bel_a]; Belarusian Republican Foundation for Basic Research (BRFFR) [B18R-004]; Russian Science FoundationRussian Science Foundation (RSF) [16-14-10323]; [AAAA-A18-118012690096-1]
Место публикации : Biol. Bull: PLEIADES PUBLISHING INC, 2021. - Vol. 48, Is. 8. - С. 1284-1297. - ISSN 1062-3590, DOI 10.1134/S1062359021080070. - ISSN 1608-3059(eISSN)
Примечания : Cited References:49. - Experiments and collection of biological material were supported by the National Science Center of Poland (project no. UMO-506 2016/21/B/NZ8/00434). Processing of phytoplankton samples was carried out with the financial support of the Russian Foundation for Basic Research (project no. 18-54-00002 Bel_a); processing of zooplankton samples and their analysis were carried out with the financial support of the Belarusian Republican Foundation for Basic Research (BRFFR no. B18R-004); statistical processing and analysis of data were performed under government contract no. AAAA-A18-118012690096-1; and interpretation of the results, data analysis, and preparation of materials for publication, were done with the financial support of the Russian Science Foundation (project no. 16-14-10323).
Предметные рубрики: FATTY-ACIDS
FOOD QUALITY
FRESH-WATER
ZEBRA MUSSELS
DAPHNIA
Аннотация: The efficiency of the transfer of carbon, polyunsaturated fatty acids (PUFA), nitrogen, and phosphorus from phytoplankton to zooplankton determines the functioning of the entire ecosystem. However, this parameter depends on environmental conditions. Fish as a very important factor regulating planktonic communities very likely affect the efficiency of the transfer of basic elements and substances from phytoplankton to zooplankton. In experimental mesocosms filled with water from a eutrophic lake and containing phyto- and zooplankton, we investigated how fish affect both primary and secondary production and the efficiency of transfer of carbon, nitrogen, phosphorus, PUFA, and fatty acids (FAs) from phytoplankton to zooplankton. Two treatments (control and fish treatment) were repeated in three replicates. The transfer efficiency of substances from phytoplankton to zooplankton was measured as the ratio of secondary production to primary production expressed per L and per unit of biomass. The efficiency expressed per L characterizes the productivity of the water body, while the efficiency expressed per unit of biomass indicates the effectiveness of aquatic species to transfer biologically valuable substances from one trophic level to another. We found that phytoplankton-zooplankton-fish interface is determined not only by predator-prey relationships, but are also affected by the quality of both phytoplankton and zooplankton in terms of contents of phosphorus, nitrogen, PUFA, and FAs in their biomass. We showed that, in the presence of fish, the transfer efficiency of carbon, phosphorus, nitrogen, eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and FAs per unit of biomass from phytoplankton to zooplankton was increased twofold, 12.4-fold, 2.5-fold, 12.4-fold, 7.4-fold, and tenfold, respectively, relative to the control. This facilitates sustainable functioning of the ecosystem under fish pressure. Such a mechanism prevents zooplankton over-exploitation by fish and enlarges the food chain.
WOS
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