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Production of EPA and DHA in aquatic ecosystems and their transfer to the land / M. I. Gladyshev, N. N. Sushchik, O. N. Makhutova // Prostaglandins and Other Lipid Mediators. - 2013, DOI 10.1016/j.prostaglandins.2013.03.002 . - ISSN 1098-8823
Кл.слова (ненормированные):
Aquatic ecosystems -- Docosahexaenoic acid -- Eicosapentaenoic acid -- Trophic transfer efficiency
Аннотация: Most omnivorous animals, including humans, have to some degree relied on physiologically important polyunsaturated fatty acids (PUFAs), such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) from food. Only some taxa of microalgae, rather than higher plants can synthesize de novo high amounts of EPA and DHA. Once synthesized by microalgae, PUFA are transferred through trophic chain to organisms of higher levels. Thus, aquatic ecosystems play the unique role in the Biosphere as the principal source of EPA and DHA for most omnivorous animals, including inhabitants of terrestrial ecosystems. PUFA are transferred from aquatic to terrestrial ecosystems through riparian predators, drift of carrion and seaweeds, emergence of amphibiotic insects, and water birds. The essential PUFA are transferred through trophic chains with about twice higher efficiency than bulk carbon. Thereby, PUFA are accumulated, rather than diluted in biomass of organisms of higher trophic levels, e.g., in fish. Mankind is faced with a severe deficiency of EPA and DHA in diet. Although additional sources of PUFA supply for humans, such as aquaculture, biotechnology of microorganisms and transgenic terrestrial oil-seed producing plants are developed, natural fish production of aquatic ecosystems will remain one of the main sources of EPA and DHA for humans. Aquatic ecosystems have to be protected from anthropogenic impacts, such as eutrophication, pollution and warming, which reduce PUFA production. В© 2013 Elsevier Inc. All rights reserved.

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Держатели документа:
Institute of Biophysics of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russia
Siberian Federal University, Svobodny av. 79, Krasnoyarsk 660041, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gladyshev, M.I.; Sushchik, N.N.; Makhutova, O.N.

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Quantitative estimation of dragonfly role in transfer of essential polyunsaturated fatty acids from aquatic to terrestrial ecosystems / M. I. Gladyshev [et al.] // Doklady Biochemistry and Biophysics. - 2011. - Vol. 438, Is. 1. - P141-143, DOI 10.1134/S1607672911030094 . - ISSN 1607-6729
Кл.слова (ненормированные):
unsaturated fatty acid -- animal -- article -- chemistry -- ecosystem -- female -- insect -- male -- Animals -- Ecosystem -- Fatty Acids, Unsaturated -- Female -- Insects -- Male -- Anisoptera (dragonflies)

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Institute of Animal Systematics and Ecology, Siberian Branch, Russian Academy of Sciences, ul. Frunze 11, Novosibirsk 630091, Russian Federation
Siberian Federal University, Krasnoyarsk 660041, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gladyshev, M.I.; Kharitonov, A.Y.; Popova, O.N.; Sushchik, N.N.; Makhutova, O.N.; Kalacheva, G.S.

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Fatty acid analyses reveal high degrees of omnivory and dietary plasticity in pond-dwelling tadpoles / M. R. Whiles [et al.] // Freshwater Biology. - 2010. - Vol. 55, Is. 7. - P1533-1547, DOI 10.1111/j.1365-2427.2009.02364.x . - ISSN 0046-5070
Кл.слова (ненормированные):
Anura -- Diet -- Food web -- Foraging -- Gut contents -- Omnivory -- Selective feeding -- Amphibia -- Anura -- Bacteria (microorganisms) -- Hexapoda -- Lithobates -- Pseudacris crucifer
Аннотация: 1. Understanding the trophic relationships of consumers is central to ecology, but constructing meaningful food webs is often difficult because of a lack of detailed information on consumption versus assimilation and high degrees of omnivory.2. We used fatty acid analyses to examine the trophic relationships of three common larval anurans (Pseudacris crucifer, Lithobates catesbeianus and Lithobates clamitans) that are often classified as grazers or detritivores. Tadpoles and potential food sources were sampled in four ponds in southern Illinois and analysed for fatty acid composition. Single linkage cluster analysis was then used to compare fatty acid profiles among tadpole gut contents, tadpole muscle tissues and available food resources.3. Diets varied among species and within species among ponds, but organic sediments consistently contributed most to the fatty acid composition of the gut contents of all species. Fatty acid profiles also indicated that larval insects and phytoplankton were consumed by both L. catesbeianus and L. clamitans in one pond, while L. clamitans and P. crucifer consumed mainly periphyton along with sediments in another pond, and these diet differences appeared linked to physical differences among ponds, with periphyton and/or phytoplankton contributing more to tadpole diets in less shaded ponds.4. The fatty acid composition of muscle tissues of L. clamitans, the dominant tadpole in these systems, indicated that plant detritus and bacteria, which were the dominant components of organic sediments in the ponds, were common components of the assimilatory diet.5. Results demonstrate the utility of fatty acid analyses for assessing both consumption and assimilation. The tadpole assemblages we examined derive much of their energy from heterotrophic and allochthonous sources and exhibit high dietary plasticity. This information will allow for more accurate and comprehensive assessments of trophic interactions in freshwater habitats, as well as aid in amphibian conservation, management and captive propagation efforts. В© 2009 Blackwell Publishing Ltd.

Scopus
Держатели документа:
Department of Zoology, Center for Ecology, Illinois Fisheries and Aquaculture Center, Southern Illinois University, Carbondale, IL, United States
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
Department of Biology, Clarion University of Pennsylvania, Clarion, PA, United States : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Whiles, M.R.; Gladyshev, M.I.; Sushchik, N.N.; Makhutova, O.N.; Kalachova, G.S.; Peterson, S.D.; Regester, K.J.

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Comparison of fatty acid contents and composition in major lipid classes of larvae and adults of mosquitoes (Diptera: Culicidae) from a steppe region / N. N. Sushchik [et al.] // Insect Science. - 2013. - Vol. 20, Is. 5. - P585-600, DOI 10.1111/j.1744-7917.2012.01582.x . - ISSN 1672-9609
Кл.слова (ненормированные):
Amphibiotic insects -- Essential fatty acids -- Metamorphosis -- Mosquitoes -- Short-chain polyunsaturated fatty acids
Аннотация: Emerging aquatic insects, including mosquitoes, are known to transfer to terrestrial ecosystems specific essential biochemicals, such as polyunsaturated fatty acids (PUFA). We studied fatty acid (FA) composition and contents of dominant mosquito populations (Diptera: Culicidae), that is, Anopheles messeae, Ochlerotatus caspius, Oc. flavescens, Oc. euedes, Oc. subdiversus, Oc. cataphylla, and Aedes cinereus, inhabited a steppe wetland of a temperate climate zone to fill up the gap in their lipid knowledge. The polar lipid and triacylglycerol fractions of larvae and adults were compared. In most studied mosquito species, we first found and identified a number of short-chain PUFA, for example, prominent 14:2n-6 and 14:3n-3, which were not earlier documented in living organisms. These PUFA, although occurred in low levels in adult mosquitoes, can be potentially used as markers of mosquito biomass in terrestrial food webs. We hypothesize that these acids might be synthesized (or retroconverted) by the mosquitoes. Using FA trophic markers accumulated in triacylglycerols, trophic relations of the mosquitoes were accessed. The larval diet comprised green algae, cryptophytes, and dinoflagellates and provided the mosquitoes with essential n-3 PUFA, linolenic, and eicosapentaenoic acids. As a result, both larvae and adults of the studied mosquitoes had comparatively high content of the essential PUFA. Comparison of FA proportions in polar lipids versus storage lipids shown that during mosquito metamorphosis transfer of essential eicosapentaenoic and arachidonic acids from the reserve in storage lipids of larvae to functional polar lipids in adults occurred. В© 2012 Institute of Zoology, Chinese Academy of Sciences.

Scopus
Держатели документа:
Institute of Biophysics of Siberian Branch of Russian Academy of Sciences, Akademgorodok, 50/50, Krasnoyarsk, Russian Federation
Institute of Fundamental Biology and Biotechnology, Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Systematics, Ecology of Animals of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sushchik, N.N.; Yurchenko, Y.A.; Gladyshev, M.I.; Belevich, O.E.; Kalachova, G.S.; Kolmakova, A.A.

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Model approaches to description of critical phenomena in forest ecosystems / A. S. Isaev, V. G. Soukhovolsky, R. G. Khlebopros // Contemporary Problems of Ecology. - 2011. - Vol. 4, Is. 7. - P699-705, DOI 10.1134/S1995425511070010 . - ISSN 1995-4255
Кл.слова (ненормированные):
critical phenomena -- ecosystem -- modeling -- phase transitions -- population -- population dynamics -- data set -- ecosystem modeling -- forest ecosystem -- forest fire -- insect -- optimization -- population dynamics -- succession -- Hexapoda
Аннотация: Methodological bases of optimization modeling approach are considered in regard to describing critical phenomena in forest ecosystems. Models of insects' outbreaks, forest successions, forest fires as second order phase transitions are proposed. It is shown that there is fair correlation between model calculations and observations data. В© 2011 Pleiades Publishing, Ltd.

Scopus
Держатели документа:
Center on the Problems of Ecology and Productivity of Forests, Russian Academy of Sciences, ul. Profsoyuznaya 84/32, Moscow 117997, Russian Federation
Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50/28, Krasnoyarsk 660036, Russian Federation
Intern Cntr 4 Rrch o Extr. St. of Organi w in Pres., of Krasnoyarsk Res Ctr of Sib Brnch of the Russ. Ac of Sc, Akademgorodok, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Isaev, A.S.; Soukhovolsky, V.G.; Khlebopros, R.G.

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An optimization model of competition between species for resource. / V. G. Sukhovol'skii, R. G. Khlebopros, T. R. Iskhakov // Doklady. Biochemistry and biophysics. - 2003. - Vol. 390. - P171-173 . - ISSN 1607-6729
Кл.слова (ненормированные):
animal -- article -- biological model -- comparative study -- competitive behavior -- computer simulation -- ecosystem -- evaluation -- growth, development and aging -- insect -- physiology -- plankton -- population dynamics -- population growth -- quality control -- species difference -- validation study -- Animals -- Competitive Behavior -- Computer Simulation -- Ecosystem -- Insects -- Models, Biological -- Plankton -- Population Dynamics -- Population Growth -- Quality Control -- Species Specificity

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

Доп.точки доступа:
Sukhovol'skii, V.G.; Khlebopros, R.G.; Iskhakov, T.R.

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Saline rivers provide arid landscapes with a considerable amount of biochemically valuable production of chironomid (Diptera) larvae / T. D. Zinchenko [et al.] // Hydrobiologia. - 2014. - Vol. 722, Is. 1. - P115-128, DOI 10.1007/s10750-013-1684-5 . - ISSN 0018-8158
Кл.слова (ненормированные):
Chironomid larvae -- Essential fatty acids -- Saline rivers -- Secondary production
Аннотация: Saline rivers are supposed to be 'hot spots' of high biological productivity in arid landscapes. To test this, we quantified the production of chironomid larvae, because river production is known to be transferred to arid landscapes primarily by birds fed on these larvae. In addition, we studied the potential biochemical quality of the larvae for birds based on the essential highly unsaturated fatty acid (HUFA) contents in their biomass. We studied species composition and measured production of chironomid larvae in two saline rivers (Volgograd region, Russia). We also evaluated the fatty acid composition and contents of the dominant taxa and estimated the flux of HUFA from the studied saline rivers to land via chironomid potential emergence. Average monthly production of chironomids measured for only 1 month, August, was quite comparable to annual production in some freshwater rivers. All the dominant chironomid larvae had comparatively high essential eicosapentaenoic acid contents, especially Cricotopus salinophilus, which showed the highest value, reported for Chironomidae. The monthly flux of HUFA from the studied rivers to land due to the chironomid potential emergence was roughly comparable to the global average estimation of annual water-land HUFA export via emerging insects. В© 2013 Springer Science+Business Media Dordrecht.

Scopus
Держатели документа:
Institute of Ecology of the Volga River Basin, Russian Academy of Sciences, st. Komzina 10, Togliatti, 445003, Russian Federation
Institute of Biophysics, Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Svobodny av. 79, Krasnoyarsk, 660041, Russian Federation
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zinchenko, T.D.; Gladyshev, M.I.; Makhutova, O.N.; Sushchik, N.N.; Kalachova, G.S.; Golovatyuk, L.V.

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Production of EPA and DHA in aquatic ecosystems and their transfer to the land [Text] / M. I. Gladyshev, N. N. Sushchik, O. N. Makhutova // Prostaglandins Other Lipid Mediat. - 2013. - Vol. 107. - P117-126, DOI 10.1016/j.prostaglandins.2013.03.002. - Cited References: 129. - This work was supported by grants of Russian Foundation for Basic Research (RFBR) No. 11-04-00168 and No. 12-05-00298, and also by the project B-15 of Siberian Federal University, carried out according to Federal Tasks of Ministry of Education and Science of Russian Federation. We are grateful to two anonymous reviewers for their helpful comments to improve the manuscript. . - 10. - ISSN 1098-8823

РУБ Biochemistry & Molecular Biology + Cell Biology
Рубрики:
POLYUNSATURATED FATTY-ACIDS
   FRESH-WATER FISH
   EICOSAPENTAENOIC ACID
   DOCOSAHEXAENOIC ACID
   YENISEI RIVER
   BIOTECHNOLOGICAL PRODUCTION
   ARBUSCULAR MYCORRHIZAL
   CAENORHABDITIS-ELEGANS
   MICROBIAL COMMUNITY
   THYMALLUS-ARCTICUS
Кл.слова (ненормированные):
Eicosapentaenoic acid -- Docosahexaenoic acid -- Aquatic ecosystems -- Trophic transfer efficiency
Аннотация: Most omnivorous animals, including humans, have to some degree relied on physiologically important polyunsaturated fatty acids (PUFAs), such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) from food. Only some taxa of microalgae, rather than higher plants can synthesize de novo high amounts of EPA and DHA. Once synthesized by microalgae, PUFA are transferred through trophic chain to organisms of higher levels. Thus, aquatic ecosystems play the unique role in the Biosphere as the principal source of EPA and DHA for most omnivorous animals, including inhabitants of terrestrial ecosystems. PUFA are transferred from aquatic to terrestrial ecosystems through riparian predators, drift of carrion and seaweeds, emergence of amphibiotic insects, and water birds. The essential PUFA are transferred through trophic chains with about twice higher efficiency than bulk carbon. Thereby, PUFA are accumulated, rather than diluted in biomass of organisms of higher trophic levels, e.g., in fish. Mankind is faced with a severe deficiency of EPA and DHA in diet. Although additional sources of PUFA supply for humans, such as aquaculture, biotechnology of microorganisms and transgenic terrestrial oil-seed producing plants are developed, natural fish production of aquatic ecosystems will remain one of the main sources of EPA and DHA for humans. Aquatic ecosystems have to be protected from anthropogenic impacts, such as eutrophication, pollution and warming, which reduce PUFA production. (C) 2013 Elsevier Inc. All rights reserved.

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Держатели документа:
[Gladyshev, Michail I.
Sushchik, Nadezhda N.
Makhutova, Olesia N.] Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
[Gladyshev, Michail I.
Sushchik, Nadezhda N.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gladyshev, M.I.; Sushchik, N.N.; Makhutova, O.N.; Russian Foundation for Basic Research (RFBR) [11-04-00168, 12-05-00298]; project B-15 of Siberian Federal University

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Comparison of fatty acid composition in major lipid classes of the dominant benthic invertebrates of the Yenisei river [Text] / N. N. Sushchik [et al.] // Comp. Biochem. Physiol. B-Biochem. Mol. Biol. - 2003. - Vol. 134, Is. 1. - P. 111-122, DOI 10.1016/S1096-4959(02)00191-4. - Cited References: 30 . - ISSN 1096-4959

РУБ Biochemistry & Molecular Biology + Zoology
Рубрики:
LAKE-ERKEN
   BIOMARKERS
   BACTERIA
   MARKERS
   DIET
   FISH
   N-3
Кл.слова (ненормированные):
fatty acids -- triacylglycerols -- polar lipids -- gammarids -- aquatic larvae of insects
Аннотация: The composition and content of fatty acids (FAs) in total lipids, triacylglycerols (TAG) and polar lipids (PL) in dominant groups of benthic invertebrates: gammarids (Gammaridae, Amphipoda), chironomid larvae (Chironomidae, Diptera), caddisfly larvae (Trichoptera) and mayfly larvae (Ephemeroptera) were studied in the Yenisei river. For the first time data on the FA composition of species belonging to Trichoptera (Insecta) are presented. The groups of aquatic insect larvae and gammarids weakly differed in total content of essential polyunsaturated fatty acids (PUFAs). Hence, the strong invasion of gammarids which occurred in the last decades in the Yenisei river should not result in a decrease in potential yield of essential PUFA in the ecosystem and corresponding decrease in food resource quality for fish in respect to PUFA content. Significant differences in biomarker FAs in TAG were found which correlated to specific food sources. Different levels of long-chain PUFA in PL of the invertebrates are discussed in relation to the genetic ability of particular taxa to form these FAs. (C) 2002 Elsevier Science Inc. All rights reserved.

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Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

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

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10.

Coelenterazine-dependent luciferases / S. V. Markova, E. S. Vysotski // Biochemistry Moscow. - 2015. - Vol. 80, Is. 6. - P714-732, DOI 10.1134/S0006297915060073 . - ISSN 0006-2979
Кл.слова (ненормированные):
bioluminescence -- coelenterazine -- luciferase -- luciferin -- Coelenterata -- Cypridina luciferin -- Fungi -- Hexapoda -- Mollusca -- Protozoa
Аннотация: Bioluminescence is a widespread natural phenomenon. Luminous organisms are found among bacteria, fungi, protozoa, coelenterates, worms, molluscs, insects, and fish. Studies on bioluminescent systems of various organisms have revealed an interesting feature - the mechanisms underlying visible light emission are considerably different in representatives of different taxa despite the same final result of this biochemical process. Among the several substrates of bioluminescent reactions identified in marine luminous organisms, the most commonly used are imidazopyrazinone derivatives such as coelenterazine and Cypridina luciferin. Although the substrate used is the same, bioluminescent proteins that catalyze light emitting reactions in taxonomically remote luminous organisms do not show similarity either in amino acid sequences or in spatial structures. In this review, we consider luciferases of various luminous organisms that use coelenterazine or Cypridina luciferin as a substrate, as well as modifications of these proteins that improve their physicochemical and bioluminescent properties and therefore their applicability in bioluminescence imaging in vivo. © 2015 Pleiades Publishing, Ltd.

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Держатели документа:
Institute of Biophysics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Markova, S.V.; Vysotski, E.S.

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11.

Fluxes of biomass and essential polyunsaturated fatty acids from water to land via chironomid emergence from a mountain lake / E. V. Borisova [et al.] // Contemp. Probl. Ecol. - 2016. - Vol. 9, Is. 4. - P446-457, DOI 10.1134/S199542551604003X . - ISSN 1995-4255
Кл.слова (ненормированные):
amphibiotic insect emergence -- biogenic fluxes from water to land -- Chironomidae -- mountain landscape -- polyunsaturated fatty acids -- Chironomidae -- Hexapoda
Аннотация: The taxonomic composition, seasonal dynamics, and emergence intensity of chironomid adults (the Chironomidae family) emerging from Oiskoe mountain oligotrophic lake (Western Sayan, Southern Siberia) have been established. The value of the annual emergence of chironomid adults averages 0.42 g wet weight m-2 in the lake area and approaches the value of potential emergence, which is calculated based on the estimate of zoobenthos secondary production. For the first time the fatty-acid composition and contents of essential omega-3 polyunsaturated fatty acids (PUFAs) are compared between the larvae and adult stages of chironomids. The PUFA content per wet weight unit in adults is more than 7 times higher than that in larvae. The PUFA flux per lake area unit resulting from the chironomid emergence amounted to 1.752 mg m-2 y-1, which is over 10 times lower than the global estimate for the emergence of amphibiotic insects. Calculations show that the PUFA flux brought with the chironomid emergence per land unit of the studied mountain territory is very low when compared to that for other landscapes, with the exception of the shoreline part of the territory with a width of 15 m, in which the PUFA flux is comparable to that in productive landscapes. © 2016, Pleiades Publishing, Ltd.

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Держатели документа:
Siberian Federal University, pr. Svobodny 79, Krasnoyarsk, Russian Federation
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50/50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Borisova, E. V.; Makhutova, O. N.; Gladyshev, M. I.; Sushchik, N. N.

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12.

Waterbugs (Heteroptera: Nepomorpha and Gerromorpha) as sources of essential n-3 polyunsaturated fatty acids in Central Siberian ecoregions [Text] / N. N. Sushchik [et al.] // Freshw. Biol. - 2016. - Vol. 61, Is. 10. - P1787-1801, DOI 10.1111/fwb.12818. - Cited References:77. - The work was supported by award no. 13-04-00860 from the Russian Foundation for Basic Research and by the Russian Federal Tasks of Fundamental Research (projects no. 51.1.1 and VI.51.1.9). The research was partially supported by grant NSh-9249.2016.5 from the President of the Russian Federation. . - ISSN 0046-5070. - ISSN 1365-2427

РУБ Marine & Freshwater Biology
Рубрики:
FRESH-WATER
   TERRESTRIAL ECOSYSTEMS
   BUGS HETEROPTERA
   AQUATIC INSECTS
Кл.слова (ненормированные):
essential fatty acids -- Heteroptera -- subsidies -- terrestrial consumers -- waterbugs -- water-land transfers
Аннотация: 1. Aquatic systems are considered to be a main source of essential long-chain n-3 polyunsaturated fatty acids (PUFA), which are preferentially synthesized by microalgae and transferred along food chains to terrestrial consumers. Emerging aquatic insects comprise a significant part of this transfer of the essential PUFA from water to land. Quantitative data on PUFA content and composition are available mainly for rheophilic insects while taxa that are characteristic of wetlands and stagnant water bodies, such as aquatic Heteroptera, remain relatively unstudied. 2. We investigated the role of various waterbug taxa (Heteroptera: Nepomorpha and Gerromorpha) inhabiting different ecoregions in temperate Central Siberia (Russia) as potential sources of PUFA. The ecoregions were steppe, forest-steppe, hemiboreal forest and montane coniferous forest. Although these waterbugs insects are aquatic in both larval and adult stages, they can disperse through the landscape and transfer essential PUFAs from water to land so making them potentially available to terrestrial consumers. 3. Species of Naucoridae, Notonectidae and Corixidae were generally dominant in all ecoregions, attaining maximum biomass in the steppe. We showed that habitat or ecoregion played a major role in the variability of fatty acid composition of Notonectidae and Gerridae but not Corixidae. In contrast, the biochemical composition of the only naucoridae, Ilyocoris cimicoides, was largely affected by life stage. 4. Both the dominant families and species within them differed with respect to their mass-specific contents of essential long-chain PUFA of the n-3 family, namely eicosapentaenoic and docosahexaenoic acids. Corixid species had the highest content of these two essential PUFAs among the waterbug studies, and relative to literature reports for other aquatic insects. Corixids thus appear to be a potentially important vector for transfer of the essential biochemical compounds from water to land, especially in steppe ecoregions with numerous ephemeral water bodies.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Russian Acad Sci, Siberian Branch, Inst Systemat & Ecol Anim, Novosibirsk, Russia.
Tomsk State Univ, Inst Biol Ecol Soil Agr & Forest Sci, Tomsk, Russia.

Доп.точки доступа:
Sushchik, Nadezhda N.; Yurchenko, Yuri A.; Belevich, Olga E.; Kalachova, Galina S.; Kolmakova, Anzhelika A.; Gladyshev, Michail I.; Russian Foundation for Basic Research [13-04-00860]; Russian Federal Tasks of Fundamental Research [51.1.1, VI.51.1.9]; Russian Federation [NSh-9249.2016.5]

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13.

Export of aquatic productivity, including highly unsaturated fatty acids, to terrestrial ecosystems via Odonata / O. N. Popova [et al.] // Sci. Total Environ. - 2017. - Vol. 581-582. - P40-48, DOI 10.1016/j.scitotenv.2017.01.017 . - ISSN 0048-9697
Кл.слова (ненормированные):
Amphibiotic insect emergence -- Aquatic subsidy -- Docosahexaenoic acid, forest-steppe -- Eicosapentaenoic acid -- Aquatic ecosystems -- Carbon -- Ecology -- Ecosystems -- Forestry -- Organic carbon -- Productivity -- Unsaturated fatty acids -- Amphibiotic insect emergence -- Aquatic subsidy -- Docosahexaenoic acid -- Eicosapentaenoic acid -- Highly unsaturated fatty acids -- Terrestrial ecosystems -- Terrestrial landscape -- Western Siberia , Russia -- Fatty acids -- Animalia -- Aves -- Hexapoda -- Odonata
Аннотация: Based on 31-year field study of the abundance and biomass of 18 species of odonates in the Barabinsk Forest–Steppe (Western Siberia, Russia), we quantified the contribution of odonates to the export of aquatic productivity to surrounding terrestrial landscape. Emergence varied from 0.8 to 4.9 g of wet biomass per m2 of land area per year. Average export of organic carbon was estimated to be 0.30 g·m? 2·year? 1, which is comparable with the average production of herbivorous terrestrial insects in temperate grasslands. Moreover, in contrast to terrestrial insects, emerging odonates contained high quantities of highly unsaturated fatty acids (HUFA), namely eicosapentaenoic acid (20:5n-3, EPA), and docosahexaenoic acid (22:6n-3, DHA), which are known to be essential for many terrestrial animals, especially for birds. The export of EPA + DHA by odonates was found to be 1.92–11.76 mg·m? 2·year? 1, which is equal to an average general estimation of the export of HUFA by emerging aquatic insects. Therefore, odonates appeared to be a quantitatively and qualitatively important conduit of aquatic productivity to forest-steppe ecosystem. © 2017 Elsevier B.V.

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Держатели документа:
Institute of Systematics and Ecology of Animals of Siberian Branch of Russian Academy of Sciences, Frunze str. 11, Novosibirsk, Russian Federation
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, Svobodny av. 79, Krasnoyarsk, Russian Federation

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

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14.

Modeling production processes in forest stands: An adaptation of the Solow growth model / V. Soukhovolsky, Y. Ivanova // Forests. - 2018. - Vol. 9, Is. 7, DOI 10.3390/f9070391 . - ISSN 1999-4907
Кл.слова (ненормированные):
Components of phytomass -- Forest stands -- Modeling of growth processes -- Net primary production (NPP) -- Economics -- Needles -- Energy productions -- Forest stand -- Growth process -- Independent model -- Model of economics -- Net primary production -- Phytomass -- Production process -- Forestry -- Hexapoda
Аннотация: The model of forest stand growth proposed in this study is based on R. Solow's model of economic growth. The variables introduced into the model are the "capital" (the phytomass of the non-synthesizing tree components in the stand-the stem, roots, and branches) and the "labor" (the phytomass of the photosynthesizing tree components in the stand-leaves or needles). Root phytomass is calculated with a special independent model. The process of energy production by the trees is described with the Cobb-Douglas equation. The proposed approach is used to describe growth processes in the forest stands comprising various species in Siberia and the age dynamics of net primary production. The model can explain a number of effects (such as death of the forest stand after the needles have been consumed by defoliating insects) that cannot be explained by standard logistic models. © 2018 by the authors.

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Держатели документа:
Sukachev Institute of Forest SB RAS, Federal Research Center 'Krasnoyarsk Science Center SB RAS', Akademgorodok 50-28, Krasnoyarsk, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center 'Krasnoyarsk Science Center SB RAS', Akademgorodok 50-50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Soukhovolsky, V.; Ivanova, Y.

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15.

Amphibia as a Vector of Transfer of Long-Chain Polyunsaturated Omega-3 Fatty Acids from Aquatic to Terrestrial Ecosystems / M. V. Yermokhin [et al.] // Dokl. Biochem. Biophys. - 2018. - Vol. 481, Is. 1. - P195-197, DOI 10.1134/S160767291804004X. - 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). . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics
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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Держатели документа:
Saratov State Natl Res Univ, Saratov 410012, Russia.
Russian Acad Sci, Krasnoyarsk Sci Ctr, Fed Res Ctr, Inst Biophys,Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Severtsov Inst Ecol & Evolut, Saratov Branch, Saratov 410028, Russia.

Доп.точки доступа:
Yermokhin, M. V.; Sushchik, N. N.; Tabachishin, V. G.; Kalacheva, G. S.; Kolmakova, A. A.; Gladyshev, M. I.; 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]

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16.

Preliminary estimation of the export of omega-3 polyunsaturated fatty acids from aquatic to terrestrial ecosystems in biomes via emergent insects / M. I. Gladyshev, E. E. Gladysheva, N. N. Sushchik // Ecol. Complex. - 2019. - Vol. 38. - P140-145, DOI 10.1016/j.ecocom.2019.03.007. - Cited References:84. - The work was supported by the project of Siberian Federal University, carried out according to Federal Tasks of Ministry of Education and Science of the Russian Federation No. 6.1504.2017/PCh and by Russian Federal Tasks of Fundamental Research (project No. 51.1.1). We are grateful to two anonymous Reviewers for their kind help to significantly improve the manuscript. . - ISSN 1476-945X. - ISSN 1476-9840

РУБ Ecology
Рубрики:
BENTHIC SECONDARY PRODUCTION
RECIPROCAL SUBSIDIES
FRESH-WATER
Кл.слова (ненормированные):
Eicosapentaenoic acid -- Docosahexaenoic acid -- Aquatic-terrestrial -- subsidies -- Food quality -- Water/land area ratio
Аннотация: Some terrestrial consumers may be limited by food quality, namely by contents of essential polyunsaturated fatty acids (PUFA), eicosapentaenoic acid (20:5n - 3, EPA) and docosahexaenoic acid (22:6n - 3, DHA) in their food. Since EPA and DHA are mainly produced in aquatic ecosystems, for future estimating of the potential limitation by food quality in global scale, the water-land fluxes of these PUFA with the biomass of emergent aquatic insects in several biomes were calculated. The water /land area ratios for each biome were calculated by dividing the water area of each biome by its terrestrial area. Data on insect emergence from water bodies (g of dry mass m(-2) year(-1)), were summarized and averaged for each biome. From available data, EPA and DHA contents (mg g(-1) dry mass), in the biomass of emergent aquatic insects were calculated first so that annual fluxes of PUFA to land area via aquatic insect emergence could be estimated for each biome. PUFA fluxes occurred between the biomes, ranging from 0.04 to 4.39 mg m(-2) year(-1). In this study, the aquatic PUFA supply to land area appeared to be significantly lower than estimated earlier. This suggests that terrestrial consumers may experience food quality limitations mediated by shortage of PUFA compounds.

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Держатели документа:
Siberian Fed Univ, Svobodny Av 79, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Inst Biophys, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Gladyshev, Michail, I; Gladysheva, Elena E.; Sushchik, Nadezhda N.; Siberian Federal University [6.1504.2017/PCh]; Russian Federal Tasks of Fundamental Research [51.1.1]

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17.

Mathematical models for determining the boundaries of forest areas unstable to the appearance of insects using satellite data (MODIS) / A. A. Kovalev, Yu. D. Ivanova, A. A. Sukhovolskiy [et al.] // IOP Conference Series: Materials Science and Engineering : Institute of Physics Publishing, 2020. - Vol. 734: 2nd International Scientific Conference on Advanced Technologies in Aerospace, Mechanical and Automation Engineering, MIST: Aerospace 2019 (18 November 2019 through 21 November 2019, ) Conference code: 157461, Is. 1. - Ст. 012091, DOI 10.1088/1757-899X/734/1/012091
Аннотация: The proposed approach allows us to evaluate the response of forest stands to local weather changes and resistance to insect attack without using data from weather stations, sometimes located far from experimental forest areas. All raw data were obtained during the season using remote sensing data (MODIS / AQUA). The ability to pre-determine decrease and loss of forest stands resistance to possible insect attacks can be extremely important for solving the tasks of forest-entomological monitoring and calculating the risk of forest insect's outbreaks. © Published under licence by IOP Publishing Ltd.

Scopus
Держатели документа:
Krasnoyarsk Scientific Center SB RAS, Krasnoyarsk, Russian Federation
Institute of Biophysics SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Forest SB RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kovalev, A. A.; Ivanova, Yu. D.; Sukhovolskiy, A. A.; Volkov, V. E.; Sukhovolskiy, V. G.

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18.

Dispersal of midges (Chironomidae, Diptera) on terrestrial area after the emergence from saline lake shira / I. A. Vitkovskaya, E. V. Borisova, N. N. Sushchik // J. Siberian Fed. Univ. Humanit. Social Sci. - 2019. - Vol. 12, Is. 2. - С. 216-226, DOI 10.17516/1997-1389-0294 . - ISSN 1997-1370
Кл.слова (ненормированные):
Chironomidae -- Dispersal distance -- Emergence of amphibiotic insects -- Saline lake -- South Siberia
Аннотация: We studied the number of midges (Chironomidae, Diptera) on the terrestrial area where flows of organic matter and essential polyunsaturated fatty acids (PUFA) provided by the emergence of the amphibiotic insects from saline steppe Lake Shira were dispersed. Records of midge specimens captured on sticky traps showed that 50 and 95 percent of the emerged adults of the Glyptotendipes and Polypedilum genera occurred within 25-m and 100-m strips surrounding the lakeshore, respectively. The areas of these strips were calculated along with quantification of flows of chironomid biomass and essential PUFA per land area unit based on data of previously measured export. For the 25-m lake-surrounding strip, where 50% of midges swarmed, the annual import of dry biomass and PUFA accounted for 1.5 g · m-2 and 15 mg · m-2, respectively. Further, the 100-m wide strip, where 95% of the midges were registered, got the annual flows of 0.7 g dry weight · m-2 and 7.2 mg PUFA · m-2. The calculated values of PUFA import were similar to measurements in relatively productive landscapes. The number of midges captured on the site located near the most productive lake part was the lowest among all the studied near-lake sites. This site of the lakeshore is part of a national preserve, where a great number of insectivorous birds live or stop. The lower abundance of swarming chironomids on this site was likely related to intensive consumption by terrestrial animals, i.e., birds, for obtaining necessary doses of essential compounds. © Siberian Federal University. All rights reserved.

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Держатели документа:
Siberian Federal University, 79 Svobodny, Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics SB RAS, FRC Krasnoyarsk Science Center SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Vitkovskaya, I. A.; Borisova, E. V.; Sushchik, N. N.

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19.

Differences in Fatty Acid Composition between Orb-Weaver Spiders Inhabiting a Riparian Zone and a Steppe Are Associated with the Consumption of Different Chironomid Taxa / N. N. Sushchik, E. V. Borisova, I. A. Demina (Vitkovskaya) [et al.] // Doklad. Biochem. Biophys. - 2021. - Vol. 496, Is. 1. - P40-43, DOI 10.1134/S1607672921010117 . - ISSN 1607-6729
Кл.слова (ненормированные):
Chironomus -- eicosapentaenoic acid -- emergence of amphibiotic insects -- fatty acid composition -- Glyptotendipes -- Larinoidessuspicax -- transfer of matter between ecosystems
Аннотация: Abstract: Amphibiotic insects, chironomids of the genera Glyptotendipes and Chironomus, which emerged from saline Lake Shira, differed in composition and content of fatty acids, including the essential eicosapentaenoic acid (20:5n-3, EPA), and upon flying out they were concentrated in different territories, the riparian zone and remote arid steppe zone, respectively. Potential consumers of chironomids adults, the orb-weaver spiders Larinoidessuspicax, which inhabited both zones, also differed in fatty acid composition. The main difference in their biochemical composition was a significantly higher level of EPA in spiders from the riparian zone that likely to be explained by consumption of the Glyptotendipes adults enriched in this fatty acid and concentrated only within this zone. The higher level of EPA, which is deficient in terrestrial ecosystems, in orb-weaver spiders from the riparian zone of the saline lake may potentially promote a successful survival of the consumers in the arid landscape. © 2021, Pleiades Publishing, Ltd.

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Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Sushchik, N. N.; Borisova, E. V.; Demina (Vitkovskaya), I. A.; Makhutova, O. N.; Gladyshev, M. I.

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20.

РУБ Biochemistry & Molecular Biology + Biophysics

Кл.слова (ненормированные):
emergence of amphibiotic insects -- Glyptotendipes -- Chironomus -- Larinoidessuspicax -- fatty acid composition -- eicosapentaenoic acid -- transfer of matter between ecosystems
Аннотация: Amphibiotic insects, chironomids of the genera Glyptotendipes and Chironomus, which emerged from saline Lake Shira, differed in composition and content of fatty acids, including the essential eicosapentaenoic acid (20:5n-3, EPA), and upon flying out they were concentrated in different territories, the riparian zone and remote arid steppe zone, respectively. Potential consumers of chironomids adults, the orb-weaver spiders Larinoidessuspicax, which inhabited both zones, also differed in fatty acid composition. The main difference in their biochemical composition was a significantly higher level of EPA in spiders from the riparian zone that likely to be explained by consumption of the Glyptotendipes adults enriched in this fatty acid and concentrated only within this zone. The higher level of EPA, which is deficient in terrestrial ecosystems, in orb-weaver spiders from the riparian zone of the saline lake may potentially promote a successful survival of the consumers in the arid landscape.

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

Доп.точки доступа:
Sushchik, N. N.; Borisova, E., V; Demina, I. A.; Makhutova, O. N.; Gladyshev, M., I; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-34-90099, 20-0400346a]; Russian FederationRussian Federation [51.1.1, FSRZ-2020-0006]

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