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Comparison of seasonal dynamics of the essential PUFA contents in benthic invertebrates and grayling Thymallus arcticus in the Yenisei river / N. N. Sushchik [et al.] // Comparative Biochemistry and Physiology - B Biochemistry and Molecular Biology. - 2006. - Vol. 145, Is. 3-4. - P278-287, DOI 10.1016/j.cbpb.2006.05.014 . - ISSN 1096-4959
Кл.слова (ненормированные):
Benthic invertebrates -- Grayling -- Polyunsaturated fatty acids -- Riverine food web -- essential fatty acid -- long chain fatty acid -- polyunsaturated fatty acid -- Amphipoda -- animal tissue -- annelid worm -- article -- benthos -- Chironomidae -- comparative study -- controlled study -- dominant inheritance -- ecosystem -- evolution -- fatty acid analysis -- female -- fish -- fly -- invertebrate -- larva -- male -- metabolic regulation -- nonhuman -- nutrient dynamics -- priority journal -- river -- seasonal variation -- statistical significance -- Thymallus arcticus -- Animals -- Fatty Acids, Unsaturated -- Food Chain -- Gastrointestinal Contents -- Invertebrates -- Muscles -- Rivers -- Russia -- Salmonidae -- Seasons -- Amphipoda -- Chironomidae -- Diptera -- Gammaridae -- Invertebrata -- Oligochaeta (Metazoa) -- Thymallus arcticus -- Trichoptera
Аннотация: Seasonal dynamics of contents of essential polyunsaturated fatty acids (PUFA) in dominant groups of benthic invertebrates: gammarids (Gammaridae, Amphipoda), oligochaetes (Oligochaeta), chironomid larvae (Chironomidae, Diptera) and caddisfly larvae (Trichoptera), and dominant benthivorous fish, Siberian grayling Thymallus arcticus, have been studied in ecosystem of the large Siberian river. During the year of the study most benthic invertebrate taxa showed significant variations in the contents of both C-18 and long chain C-20-22 PUFAs. In contrast, the fish, which consumed the zoobenthos, had no significant seasonal variations in long chain PUFAs' contents. Thereby, the fish, as organisms of relatively higher evolution level than invertebrates, was supposed to have more strict metabolic control of long chain PUFAs' contents. Evidence was obtained that the studied fish species, grayling, may be capable to convert dietary EPA into DHA. В© 2006 Elsevier Inc. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Science, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State University, Svobodny av. 79, Krasnoyarsk, 660041, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sushchik, N.N.; Gladyshev, M.I.; Kalachova, G.S.; Makhutova, O.N.; Ageev, A.V.

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Standing stock and potential yield of essential polyunsaturated fatty acids of the Yenisei River zoobenthos. / M. I. Gladyshev [et al.] // Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections / translated from Russian. - 2004. - Vol. 394. - P38-40 . - ISSN 0012-4966
Кл.слова (ненормированные):
arachidic acid -- essential fatty acid -- fresh water -- animal -- article -- biomass -- classification -- comparative study -- invertebrate -- metabolism -- Russian Federation -- Animals -- Biomass -- Eicosanoic Acids -- Fatty Acids, Essential -- Fresh Water -- Invertebrates -- Russia

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Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036 Russia. : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gladyshev, M.I.; Sushchik, N.N.; Andrianova, A.V.; Makhutova, O.N.; Kalacheva, G.S.; Shulepina, S.P.

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A mathematical model of the interactions in the mixed culture of invertebrates and algae in the "producer-consumer" aquatic biotic cycle [Text] / T. I. Pisman, O. N. Bogdanova // Aquat. Ecol. - 2004. - Vol. 38, Is. 3. - P. 415-423. - Cited References: 19 . - ISSN 1386-2588

РУБ Ecology + Limnology + Marine & Freshwater Biology
Рубрики:
RESOURCE COMPETITION
Кл.слова (ненормированные):
competition -- metabolite interaction -- principle of competitive exclusion
Аннотация: This paper presents a mathematical model of interactions between two herbivorous invertebrates (ciliate Paramecium caudatum and rotifer Brachionus plicatilis) and two planktonic algae (Chlorella vulgaris and Scenedesmus quadricauda) spatially segregated in two compartments of a chemostat - type experimental microcosm system. The model mimics a "producer-consumer" aquatic biotic cycle, describing the dynamics of the mixed culture of ciliates and rotifers, as "consumer" compartment, feeding on the mixed algal culture, as "producer" compartment, under N-limiting conditions. We experimentally found that metabolites of the alga Scenedesmus produce an adverse effect on the reproduction of ciliate Paramecium. Taking this effect into account improved the behavior of the model, the results of which came into qualitative agreement with the experimental results. Both our experimental and modeling approaches demonstrated that, even in conditions of a spatially - segregated "producer-consumer" biotic cycle, species coexistence is impossible either in the mixed algal culture or in the mixed invertebrate culture. Scenedesmus excluded Chlorella, whereas Brachionus excluded Paramecium.

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Держатели документа:
Inst Biophys SB RAS, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pisman, T.I.; Bogdanova, O.N.

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Fatty acid and elemental composition of littoral “green tide” algae from the Gulf of Finland, the Baltic Sea / Y. I. Gubelit [et al.] // J. Appl. Phycol. - 2014. - Vol. 27, Is. 1. - P375-386, DOI 10.1007/s10811-014-0349-8 . - ISSN 0921-8971
Кл.слова (ненормированные):
Cladophora glomerata -- Coastal eutrophication -- Essential PUFA -- Green tides -- Ulva intestinalis
Аннотация: Coastal eutrophication leads to a shift in primary producer communities from perennial species to ephemeral fast-growing species of macroalgae, which is known as “green tides” phenomenon. In brackish water habitats of the Baltic Sea, the opportunistic green algae, Cladophora glomerata and Ulva intestinalis, replaced the brown alga Fucus vesiculosus, while in freshwater estuarine parts they replaced epilithic microalgae. We studied Baltic populations of the macroalgae, C. glomerata and U. intestinalis, and epilithic and epiphytic microalgae, with respect to their nutritive quality, such as content of essential polyunsaturated fatty acids (PUFAs) and elemental composition. Fatty acid profiles of the two macroalgae were significantly different, including levels of essential PUFAs. We found a relatively high content of eicosapentaenoic acid (EPA; 20:5n−3) in C. glomerata biomass (4.14 mg g−1 C), whereas U. intestinalis had a lower value (0.45 mg g−1 C). Comparison with literature data showed that C. glomerata appeared to be a more valuable food for potential invertebrate consumers in respect to EPA content and stoichiometric C/P ratio than perennial F. vesiculosus and U. intestinalis. Thus, replacement of F. vesiculosus and epilithic microalgae by C. glomerata would not decrease the potential nutritive value of coastal algal communities for invertebrates. In turn, if U. intestinalis dominate in algal community, the nutritive value of primary producers in coastal zone would decrease. However, in following works, other important indicators of nutritive value, such as sterols and amino acids, should be included in the estimations of green tide algae species. © 2014, Springer Science+Business Media Dordrecht.

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Держатели документа:
Zoological Institute of the Russian Academy of Science, Universitetskaya emb. 1, Saint Petersburg, Russian Federation
Institute of Biophysics of Siberian Branch of the Russian Academy of Science, Akademgorodok, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodny av. 79, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Gubelit, Y. I.; Makhutova, O. N.; Sushchik, N. N.; Kolmakova, A. A.; Kalachova, G. S.; Gladyshev, M. I.

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Content of highly unsaturated fatty acids in fish from rivers of contrasting temperature / N. N. Sushchik [et al.] // River Res. Appl. - 2018. - Vol. 34, Is. 6. - P565-574, DOI 10.1002/rra.3286. - Cited References:73. - Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools, Grant/Award Number: NSh-9249.2016.5; Russian Federal Tasks of Fundamental Research, Grant/Award Number: 51.1.1; Federal Tasks of Ministry of Education and Science of the Russian Federation for Siberian Federal University, Grant/Award Number: 6.1504.2017/4.6 . - ISSN 1535-1459. - ISSN 1535-1467

РУБ Environmental Sciences + Water Resources
Рубрики:
TROUT ONCORHYNCHUS-MYKISS
   SALMON SALMO-SALAR
   FRESH-WATER
   LONG-CHAIN
Кл.слова (ненормированные):
benthivorous fish -- climate warming -- polyunsaturated fatty acids -- river -- water temperature
Аннотация: Contents of highly unsaturated long-chain fatty acids of omega-3 family (HUFA); eicosapentaenoic acid (EPA; 20:5n-3); and docosahexaenoic acid (DHA; 22:6n-3) are the principal indicators of the nutritive quality of fish for humans. Effects of environmental factors, first of all water temperature, on EPA and DHA contents in fish tissue are not currently completely understood. To reveal the putative effect of water temperature, fatty acid composition and contents were studied for 6 fish species, inhabiting the cold waters of the Yenisei River (Siberia, Russia) downstream of a dam (hypolimnetic release from reservoir) and its adjacent warm water tributaries (the Mana River and the Kacha River). It was hypothesized that (a) fish species from the cold river would have higher HUFA contents than fish from the warm rivers and (b) temperature would be negatively correlated with HUFA content in fish species. Using gas chromatography-mass spectrometry, distinct species-specific fatty acid profiles were observed, whereas contents of the essential fatty acids, EPA and DHA, in fish species from the cold Yenisei River were in general similar to that from warm tributaries. Thus, in contrast to the first hypothesis, phylogenetic factors overweighed the effect of water temperature and food (benthic invertebrate) composition, on fatty acid composition and HUFA content in fish. For the second hypothesis, for the 2 species inhabiting both cold and warm rivers, only one had higher EPA and DHA content at lower temperatures. Consequently, the response of EPA and DHA content in fish tissue to temperature variations may be species-specific.

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Держатели документа:
Russian Acad Sci, Krasnoyarsk Sci Ctr, Fed Res Ctr, Siberian Branch,Inst Biophys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Sushchik, N. N.; Zuev, I. V.; Kalachova, G. S.; Ageev, A. V.; Gladyshev, M. I.; Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools [NSh-9249.2016.5]; Russian Federal Tasks of Fundamental Research [51.1.1]; Federal Tasks of Ministry of Education and Science of the Russian Federation for Siberian Federal University [6.1504.2017/4.6]

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Intraspecies variability of fatty acid content and composition of a cosmopolitan benthic invertebrate, Gammarus lacustris / O. N. Makhutova [et al.] // Inland Waters. - 2018. - Vol. 8, Is. 3. - P356-367, DOI 10.1080/20442041.2018.1487157 . - ISSN 2044-2041
Кл.слова (ненормированные):
essential polyunsaturated fatty acids -- fish -- food quality -- salinity -- temperature
Аннотация: Aquatic invertebrates are valuable dietary sources of essential polyunsaturated fatty acids, eicosapentaenoic acid (EPA, 20:5n-3) and docosahexaenoic acid (DHA, 22:6n-3), for fish. Phylogeny, diet, and various ecological factors affect the fatty acid composition of aquatic invertebrates. We focused our study on the effect of ecological factors to a cosmopolitan species inhabiting lakes that differed in salinity, temperature, and presence/absence of predators (fish). To avoid the effect of phylogeny, which strongly influences the fatty acid composition of animals, we studied several populations of one cosmopolitan benthic species, Gammarus lacustris Sars. We found that differences in fatty acid percentages of G. lacustris were mainly affected by differences in their diets. Some populations preferred dinoflagellates, cryptophytes, green algae/cyanobacteria, and bacteria; other populations selected diatoms; and still other populations consumed zooplankton or allochthonous (terrestrial) organic matter. The salinity and presence/absence of fish affected the contents of EPA and DHA in G. lacustris. Populations from saline and fishless lakes had significantly higher contents of EPA and DHA. Thus, stocking of fishless lakes dominated by G. lacustris with fish could lead to a decrease in EPA and DHA contents in the gammarids. We propose that some saline and fishless lakes could be used as a source of gammarids for aquaculture fish feeding. © 2018, © 2018 International Society of Limnology (SIL).

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Держатели документа:
Institute of Biophysics of Federal Research Center “Krasnoyarsk Science Center” of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Tyumen Scientific Centre Siberian Branch, Russian Academy of Sciences, Institute of the problems of Northern development, Tyumen, Russian Federation

Доп.точки доступа:
Makhutova, O. N.; Shulepina, S. P.; Sharapova, T. A.; Kolmakova, A. A.; Glushchenko, L. A.; Kravchuk, E. S.; Gladyshev, M. I.

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Status, trends, and future dynamics of freshwater ecosystems in Europe and Central Asia / R. E. Gozlan [et al.] // Inland Waters. - 2019, DOI 10.1080/20442041.2018.1510271 . - Article in press. - ISSN 2044-2041
Кл.слова (ненормированные):
aquatic -- biodiversity -- conservation -- habitat
Аннотация: This review is part of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) report on Europe and Central Asia (ECA) and provides a critical assessment of issues facing decision-makers, including freshwater biodiversity and ecosystem trends as well as drivers of change. Freshwater systems are well established as the most threatened ecosystem type in the ECA region, with the quantity and quality of habitats and abundance of many species rapidly declining. Only about half (53%) of the EU's rivers and lakes achieved good ecological status in 2015 (as defined by the Water Framework Directive in terms of the quality of the biological community), and many lakes, ponds, and streams are disappearing as a consequence of agricultural intensification and inefficient irrigation and urbanisation, combined with climate change. The situation regarding freshwater biodiversity remains highly critical in ECA as many species remain threatened with extinction, including >50% of known species for some groups (e.g., molluscs, amphibians). Drivers of ECA freshwater taxa include the destruction or modification of their habitat, including water abstraction, which affects ?89% of all amphibian threatened species and ?26% of threatened freshwater invertebrate species. Of particular concern is the lack of data for freshwater invertebrates. Current status is available for only a minority of species, and the impact of alien invasive species is often unknown, especially in Central Asia. Based on current freshwater biodiversity trends, it is highly unlikely that ECA will achieve either the respective Aichi biodiversity targets by 2020 (i.e., targets 2 to 4, 6 to 12, and 14) or Target 1 of the Biodiversity Strategy. © 2019, © 2019 International Society of Limnology (SIL).

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Держатели документа:
ISEM UMR226, Universite de Montpellier, CNRS, IRD, EPHE, Montpellier, 34090, France
Department of ecology and water resources management, Tashkent Institute of Irrigation and Agricultural Mechanization Engineers, Tashkent, Uzbekistan
Institute of Biophysics, Krasnoyarsk Scientific Center, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Severtsov Institute of Ecology and Evolution, Moscow, Russian Federation
Aquatic Ecology Group, University of Vic–Central University of Catalonia, Vic, Spain
Catalan Institution for Research and Advanced Studies, ICREA, Barcelona, Spain

Доп.точки доступа:
Gozlan, R. E.; Karimov, B. K.; Zadereev, E.; Kuznetsova, D.; Sandra Brucet S, S.

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