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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Makhutova O.N., Kalachova G.S., Gladyshev M.I.
Заглавие : A comparison of the fatty acid composition of Gammarus lacustris and its food sources from a freshwater reservoir, Bugach, and the saline lake Shira in Siberia, Russia
Место публикации : Aquatic Ecology. - 2003. - Vol. 37, Is. 2. - С. 159-167. - ISSN 13862588 (ISSN) , DOI 10.1023/A:1023975101075
Ключевые слова (''Своб.индексиров.''): fatty acid composition--freshwater reservoir--gammarus lacustris--gut content--saline lake--sediments--seston--fatty acid--freshwater ecosystem--lacustrine deposit--macroinvertebrate--saline lake--seston--stomach content--russian federation--amphipoda--animalia--crustacea--gammarus--gammarus lacustris--invertebrata
Аннотация: We studied fatty acid (FA) composition in samples from bodies and intestinal contents of the littoral amphipod Gammarus lacustris Sars, from the Bugach freshwater reservoir. Simultaneously, samples of seston and bottom sediments were also collected from the reservoir during early August. There were no differences in FA composition of gut contents, seston and sediments of pebbly bottom. Seston was the main food source of Gammarus but some FAs Gammarus got from sediments. The FA composition of G. lacustris and seston from the Bugach freshwater reservoir were compared with those of the animals from the saltwater Lake Shira (Siberia). While FA composition of the two Gammarus populations differed significantly, those of seston were practically similar: the composition of long-chain unsaturated fatty acids, 20:5?3, 22:6?3 and 20:4?6, were significantly higher in animals from saline Shira Lake, whereas 16:1 and 16:0 were higher in the freshwater populations of amphipods from the Bugach freshwater reservoir. Taking into account the relevant literature data, we hypothesise that this difference in C16 acid might be a distinguishing characteristic of FA composition of freshwater and saltwater crustaceans.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lopatina T.S., Zadereev E.S.
Заглавие : Assessment of the Volatility and Thermal Stability of Chemicals that Stimulate Females of Moina macrocopa (Cladocera) to Produce Diapausing Eggs
Колич.характеристики :6 с
Место публикации : Russ. J. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2015. - Vol. 46, Is. 1. - С. 103-108. - ISSN 1067-4136, DOI 10.1134/S1067413615010105. - ISSN 1608-3334(eISSN)
Примечания : Cited References:25
Предметные рубрики: SEXUAL REPRODUCTION
INDUCTION
DAPHNIA
METABOLITES
CRUSTACEA
Ключевые слова (''Своб.индексиров.''): cladocerans--diapause--chemical communication--chemical cues
Аннотация: The volatility and thermal stability of chemicals that are contained in the metabolic products of Moina macrocopa females that stimulate the production of diapausing eggs in these females have been studied in experiments with separately cultivated individuals. It has been shown that the gametogenesis-stimulating chemicals in this species are nonvolatile compounds: the effect of the medium that contains the metabolic products of the organism was not decreased after many hours of blowing with argon. Prolonged heating up to 80 degrees C also did not deactivate the ability of these products to change the reproductive mode. The effect of the medium that contains these products decreased after boiling, but if the possibilities of their oxidation or binding with salts of metals were excluded, they retained the ability to change the reproductive mode of the animals even after boiling.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kalacheva G.S., Zadereev E.S., Gubanov V.G., Gribovskaya I.V.
Заглавие : Chemical composition of water conditioned by crowded Moina macracopa (Crustacea : Cladocera)
Колич.характеристики :5 с
Место публикации : Russ. J. Ecol.: MAIK NAUKA/INTERPERIODICA, 2000. - Vol. 31, Is. 2. - P113-117. - ISSN 1067-4136, DOI 10.1007/BF02828365
Примечания : Cited References: 25
Предметные рубрики: DAPHNIA-PULEX
ZOOPLANKTON
PARAMETERS
INDUCTION
Ключевые слова (''Своб.индексиров.''): cladocera--metabolic products--chemical analysis--chemical composition
Аннотация: The chemical composition of water conditioned by colonies of Moina macrocopa and involved in the regulation of their life cycle was analyzed in comparison with water samples from natural water bodies. Dechlorinated tap water was used as the control medium. The results showed that metabolism of crustaceans leads to an increase in the concentrations of phosphorus and nitrogen in all forms, the appearance of protein and carbohydrate fractions, and changes in the composition of lipid fractions in the water conditioned by their colonies. The contents of all organic components are very low, which makes their identification difficult. Concentrations of substances identified in the conditioned water do not exceed those occurring in nature.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kalacheva G.S., Zadereev E.S., Gubanov V.G., Gribovskaya I.V.
Заглавие : Chemical composition of water conditioned by crowded Moina macrocopa (Crustacea: Cladocera)
Место публикации : Russian Journal of Ecology. - 2000. - Vol. 31, Is. 2. - С. 113-117. - ISSN 10674136 (ISSN)
Ключевые слова (''Своб.индексиров.''): chemical analysis--chemical composition--cladocera--metabolic products
Аннотация: The chemical composition of water conditioned by colonies of Moina macrocopa and involved in the regulation of their life cycle was analyzed in comparison with water samples from natural water bodies. Dechlorinated tap water was used as the control medium. The results showed that metabolism of crustaceans leads to an increase in the concentrations of phosphorus and nitrogen in all forms, the appearance of protein and carbohydrate fractions, and changes in the composition of lipid fractions in the water conditioned by their colonies. The contents of all organic components are very low, which makes their identification difficult. Concentrations of substances identified in the conditioned water do not exceed those occurring in nature. В© 2000 MAIK "Nauka/Interperiodica".
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zadereev E.S.
Заглавие : Chemical interactions between planktonic crustaceans
Колич.характеристики :9 с
Место публикации : Zhurnal Obshchei Biol.: MEZHDUNARODNAYA KNIGA, 2002. - Vol. 63, Is. 2. - P159-167. - ISSN 0044-4596
Примечания : Cited References: 52
Предметные рубрики: DIEL VERTICAL MIGRATION
DAPHNIA-MAGNA CRUSTACEA
SEX DETERMINATION
COLONY FORMATION
CLADOCERA
FISH
RESPONSES
PULEX
WATER
SCENEDESMUS
Аннотация: Three levels of chemical communications involved plankton Crustacea are considered: 1) Influence of zooplankton excretion on phytoplankton; 2) Influence of zooplankton excretion on the individuals of the same or other species of the same trophic level; 3) Influence of chemical cues released by predatory zooplankton and fish on herbivorous zooplankton. The data on the influence of excreted cues on some physiological (growth, reproduction, feeding, etc.) and behavioural (vertical and horizontal migrations) characters of planktonic crustaceans are presented. Ecological role and chemistry cues responsible for the interactions of different trophic levels can be different. It is considered that chemical communications in aquatic ecosystems can be provided with: 1) Species-specific cues that strictly influence particular biological functions (communication system of feromone type); 2) Non-specific cues that strictly influence particular functions (system of regulator, that act at the whole ecosystem as the hormonal system of an organism). 3) Non-specific substances with broad (nonspecific) influence-toxic substances of "biocondition substances" according to classification of Novikov and Kharlamova (2000).
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zadereev E.S.
Заглавие : Chemical Interactions between Planktonic Crustaceans
Место публикации : Zhurnal Obshchei Biologii. - 2002. - Vol. 63, Is. 2. - С. 166-167. - ISSN 00444596 (ISSN)
Ключевые слова (''Своб.индексиров.''): animal--animal communication--chemistry--crustacea--ecosystem--physiology--phytoplankton--plankton--review--zooplankton--animal communication--animals--crustacea--ecosystem--phytoplankton--plankton--zooplankton
Аннотация: Three levels of chemical communications involved plankton Crustacea are considered: 1) Influence of zooplankton excretion on phytoplankton; 2) Influence of zooplankton excretion on the individuals of the same or other species of the same trophic level; 3) Influence of chemical cues released by predatory zooplankton and fish on herbivorous zooplankton. The data on the influence of excreted cues on some physiological (growth, reproduction, feeding, etc.) and behavioural (vertical and horizontal migrations) characters of planktonic crustaceans are presented. Ecological role and chemistry cues responsible for the interactions of different trophic levels can be different. It is considered that chemical communications in aquatic ecosystems can be provided with: 1) Species-specific cues that strictly influence particular biological functions (communication system of feromone type); 2) Non-specific cues that strictly influence particular functions (system of regulator, that act at the whole ecosystem as the hormonal system of an organism). 3) Non-specific substances with broad (non-specidic) influence - toxic substances of "biocondition substances" according to classification of Novikov and Kharlamova (2000).
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gubanov M.V., Zadereev E.S., Degermenzhy A.G.
Заглавие : Chemical interactions between two dominant species in Lake Shira: Gammarus lacustris sars (Crustacea: Amphipoda) and Arctodiaptomus salinus Daday (Crustacea: Copepoda)
Место публикации : Doklady Biological Sciences. - 2010. - Vol. 434, Is. 1. - С. 318-321. - ISSN 00124966 (ISSN) , DOI 10.1134/S0012496610050078
Ключевые слова (''Своб.индексиров.''): fresh water--pheromone--amphipoda--animal--article--copepod--drug effect--ecosystem--escape behavior--physiology--russian federation--amphipoda--animals--copepoda--ecosystem--escape reaction--fresh water--pheromones--russia--amphipoda--arctodiaptomus salinus--copepoda--crustacea--gammarus--gammarus lacustris
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kolmakov V.I., Levin L.A., Dubovskaia O.P., Gladyshev M.I.
Заглавие : Circadian rhythms of feeding with microalgae of Ceriodaphnia quadrangula in laboratory culture
Место публикации : Biofizika. - 2002. - Vol. 47, Is. 4. - С. 673-676. - ISSN 00063029 (ISSN)
Ключевые слова (''Своб.индексиров.''): chlorophyll--alga--animal--article--chemistry--circadian rhythm--crustacea--fluorometry--growth, development and aging--photoperiodicity--physiology--algae--animals--chlorophyll--circadian rhythm--crustacea--fluorometry--photoperiod
Аннотация: The circadian rhythm of grazing of microalgae by a laboratory culture of Ceriodaphnia quadrangula under continuous illumination was studied by continuous registration of chlorophyll fluorescence at the outlet of a flow-through cultivator. A culture of green alga Chlorella vulgaris was used as a feed. The data obtained were treated by the statistical spectral analysis. It was found that animals preliminarily grown under a 12 h light: 12 h dark regime and transferred to constant light showed two maxima in the circadian rhythm of grazing with periods of 0.7 and 1.1 h. Animals preliminarily grown under constant light showed no circadian rhythm of grazing. It was concluded that the circadian rhythm of grazing of C. quadrangula has endogenous nature and can change according to light conditions.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Evsyunina E. V., Taran D. O., Stom D. I., Saksonov M. N., Balayan A. E., Kirillova M. A., Esimbekova E. N., Kratasyuk V. A.
Заглавие : Comparative assessment of toxic effects of surfactants using biotesting methods
Место публикации : Inland Water Biol. - 2016. - Vol. 9, Is. 2. - С. 196-199. - ISSN 19950829 (ISSN) , DOI 10.1134/S1995082916020061
Ключевые слова (''Своб.индексиров.''): algae--bioluminescent bacteria--biotesting--daphnia--fluorescence of chlorophyll--infusorian--surfactants--survival--toxic effect--algae--ciliophora--crustacea--daphnia--daphnia magna--paramecium caudatum--photobacterium phosphoreum--protozoa--scenedesmus quadricauda
Аннотация: This study assesses the comparative sensitivity and possibility of obtaining fast results of various methods of biotesting for several surfactants: Tween 85, sodium dodecyl sulfate (SDS), Fairy dishwashing gel, and Mif washing powder. The following test organisms are used for the study: luminescent bacteria Photobacterium phosphoreum (Beijerinck), preparation of Ecolum luminescent bacteria, unicellular algae Scenedesmus quadricauda (G.M. Smith), infusorian Paramecium caudatum (Ehrenberg), and crustacean Daphnia magna (Straus). It has been revealed that Fairy dishwashing gel possesses the strongest toxicity against the studied test objects. Daphnia and algae are most sensitive to the effects of Fairy and SDS, protozoan and luminescent bacteria are most sensitive to SDS, and Ecolum is most sensitive to Mif washing powder. The tested aquatic organisms and Ecolum are most tolerant to the effect of Tween 85. © 2016, Pleiades Publishing, Ltd.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Makhutova O. N., Shulepina S. P., Sharapova T. A., Dubovskaya O. P., Sushchik N. N., Baturina M. A., Pryanichnikova E. G., Kalachova G. S., Gladyshev M. I.
Заглавие : Content of polyunsaturated fatty acids essential for fish nutrition in zoobenthos species
Место публикации : Freshwater Sci.: University of Chicago Press, 2016. - Vol. 35, Is. 4. - С. 1222-1234. - ISSN 21619549 (ISSN) , DOI 10.1086/688760
Ключевые слова (''Своб.индексиров.''): fatty acids--fish--food quality--invasion--invertebrates--bryozoa--coleoptera--crustacea--dytiscus--ephemeroptera--gammaridae--hirudinea--insecta--invertebrata--mollusca--plumatella emarginata--polychaeta--trichoptera--turbellaria
Аннотация: Content of eicosapentaenoic acid (EPA, 20 : 5n-3) and docosahexaenoic acid (DHA, 22 : 6n-3) and the n-3/n-6 ratio are important indicators of nutritive value of aquatic invertebrates as food for fish. We studied fatty acid (FA) content and composition of 68 zoobenthic species. Benthic invertebrates differed significantly in their contents of EPA and DHA and n-3/n-6 ratios. The most valuable food for fish were Insecta, especially Ephemeroptera and Trichoptera, Gammaridae, and Turbellaria (Dendrocaelopsis sp.). The invertebrates of low food quality for fish were Hirudinea, Mollusca, Oligochaeta, Bryozoa (Plumatella emarginata), and Coleoptera (Dytiscus lapponicus). Our data suggest that the recent and ongoing global replacement of native species, mainly Insecta, by invaders, mostly represented by Mollusca, Crustacea, Polychaeta, Oligochaeta, Bryozoa, and Hirudinea, probably will reduce the nutritive value of food sources for benthivorous fish. In addition, some of the taxa studied have peculiar FAs, which may be useful as their markers in trophic webs. Thus, 20 : 1n-13, 20 : 2n-6, 22 : 5n-3, and 22 : 6n-3 are likely to be considered markers of Mollusca, Hirudinea, Turbellaria, and Gammaridae, respectively, for tracing food webs in freshwater ecosystems. © 2016 by The Society for Freshwater Science.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Fefilova, Elena, Dubovskaya, Olga, Kononova, Olga, Frolova, Larisa, Abramova, Ekaterina, Nigamatzyanova, Gulnara
Заглавие : Data on taxa composition of freshwater zooplankton and meiobenthos across Arctic regions of Russia
Колич.характеристики :7 с
Коллективы : Institute of Biophysics of the Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences [51.1.1]; Siberian Federal University [FSRZ-2020-0006]; Russian Science FoundationRussian Science Foundation (RSF) [20-17-00135]; Kazan Federal University [671-2020-0049]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-05-00406]; Russian Foundation for Basic Research (RFBR)Russian Foundation for Basic Research (RFBR) [20-04-00145_a]
Место публикации : Data Brief: ELSEVIER, 2021. - Vol. 36. - Ст.107112. - ISSN 2352-3409, DOI 10.1016/j.dib.2021.107112
Примечания : Cited References:17. - The work was performed in part as Federal Tasks to the Department of Animal Ecology of the Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences (AAAA-A17-117112850235-2) (to EF and OK), to the Institute of Biophysics of the Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences (project No. 51.1.1) and the Siberian Federal University (project No. FSRZ-2020-0006) (to OD). The paleolimnological part of this work was supported by grant from Russian Science Foundation (project 20-17-00135). L. Frolova and G. Nigamatzyanova were supported by the subsidy allocated to Kazan Federal University for the state assignment #671-2020-0049 in the sphere of scientific activities and by the Russian Foundation for Basic Research (grant 18-05-00406). The work was partly financially supported by the Russian Foundation for Basic Research (RFBR) grant: 20-04-00145_a (to EF). Monitoring investigations in the Lena River Delta were conducted under the framework of Russian-German, "Lena" expeditions (Alfred Wegener Institute, Potsdam, Germany) with logistic and technical support of Scientific Research Station "Samoylov Island" (the Trofimuk Institute of Petroleum-Gas, Geology and Geophysics SB RAS, Novosibirsk) (to EA).
Предметные рубрики: CRUSTACEA
RECORDS
LAKES
Аннотация: We present the presence/absence species list (Table 1) of rotifer, cladoceran, and copepod (Calanoida, Harpacticoida, and Cyclopoida) fauna from seven Arctic regions of Russia (the Kola Peninsula, the Pechora River Delta, the Bolshezemelskaya tundra, the Polar Ural, the Putorana Plateau, the Lena River Delta, and the Indigirka River Basin) based on our own and literature data. Our own records were obtained by analyzing samples of zooplankton, meiobenthos, and two cores of bottom sediments (from the Kola Peninsula and the Bolshezemelskaya tundra lakes) that we collected once in July or August in 1992, 1995-2017. To supplement the list, we used relevant literature with periods of research from the 1960s to the 2010s. The list is almost identical to "Dataset 2: Zooplankton and Meiofauna across Arctic Regions of Russia", which was analyzed but not published in [1]. The detailed analysis of this list revealed the specific composition of the aquatic fauna associated with the climatic and geographical factors [1]. The data provide information on the current state of biodiversity and species richness in Arctic fresh waters and can serve as the basis for monitoring these environments and predicting how they are likely to change in the future. (C) 2021 The Author(s). Published by Elsevier Inc.
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12.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Zadereev Y.S., Gubanov V.G.
Заглавие : Density dependent regulation of the reproduction cycle of Moina macrocopa (Cladocera)
Колич.характеристики :7 с
Место публикации : BIODIVERSITY CRISIS AND CRUSTACEA. Ser. CRUSTACEAN ISSUES: A A BALKEMA PUBLISHERS, 2000. - Vol. 12: 4th International Crustacean Congress (JUL 20-24, 1998, AMSTERDAM, NETHERLANDS). - С. 535-541. - ISBN 0168-6356. - ISBN 90-5410-478-3
Примечания : Cited References: 19
Предметные рубрики: DAPHNIA-PULEX
ZOOPLANKTON
MAGNA
Аннотация: The allelopathic effect of population density on gametogenesis induction of Moina macrocopa (Crustacea: Cladocera) was investigated at varying food concentration, photoperiod, and temperature. The presence of the non-trophic effect of population density on gametogenesis induction was demonstrated. The experiments with single females have shown that if the photoperiod, temperature, and food concentration are favorable for parthenogenesis, the crowding water has the effect of stimulating females into changing the reproduction mode. This effect was enhanced by using a higher density of the population to achieve crowding. The change of reproduction mode occurs in the experiments with populations of M. macrocopa with the achievement of food availability favorable for the parthenogenesis of single females. Chemical interactions between animals are the most obvious explanation for the obtained results.
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Feniova I., Sakharova E., Karpowicz M., Gladyshev M. I., Sushchik N. N., Dawidowicz P., Gorelysheva Z., Gorniak A., Stroinov Y., Dzialowski A.
Заглавие : Direct and indirect impacts of fish on crustacean zooplankton in experimental mesocosms
Место публикации : Water: MDPI AG, 2019. - Vol. 11, Is. 10. - Ст.2090. - ISSN 20734441 (ISSN) , DOI 10.3390/w11102090
Аннотация: Understanding the factors that regulate phytoplankton and zooplankton is an important goal of aquatic ecologists; however, much remains unknown because of complex interactions between phytoplankton, zooplankton, and fish. Zooplankton, in particular cladocerans, can be regulated by bottom-up factors either via food quantity or food quality in terms of polyunsaturated fatty acids (PUFA) or phosphorus (P) contents in phytoplankton. Fish can recycle nutrients and in turn change the PUFA and P contents of algal resources, thus modifying bottom-up regulation. Furthermore, fish can change phytoplankton structure through consumption of cladocerans which selectively graze phytoplankton. We conducted a mesocosm (300 L) experiment to determine how trophic state and fish affected crustacean dynamics. The mesocosms were filled with water containing natural plankton from the eutrophic Lake Jorzec and mesotrophic Lake Majcz (Northeastern Poland), and we manipulated fish presence/absence. We also conducted a complementary life-table experiment to determine how trophic state and fish nonconsumptively affected demographic parameters of the dominant cladocerans in the mesocosms. Small and large cladoceran species responded differently to food quantity and quality. Small-bodied Ceriodaphnia were regulated mainly by resource concentrations (i.e., food quantity), while large species were limited by PUFAs (i.e., food quality). Fish likely increased food quality in terms of PUFA, primarily eicosapentaenoic acids (EPA), thus providing conditions for more successful development of Daphnia than in the fish-free treatments. Phosphorus in the seston was likely limiting for zooplankton. However, food quality in terms of phosphorus was likely less important than PUFA because zooplankton can accumulate nutrients in their body. © 2019 by the authors.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Anishchenko O.V., Gladyshev M.I., Kravchuk E.S., Sushchik N.N., Gribovskaya I.V.
Заглавие : Distribution and migration of metals in trophic chains of the Yenisei ecosystem near Krasnoyarsk City
Место публикации : Water Resources. - 2009. - Vol. 36, Is. 5. - С. 594-603. - ISSN 00978078 (ISSN) , DOI 10.1134/S0097807809050121
Ключевые слова (''Своб.индексиров.''): aquatic organisms--atomic absorption--bulk concentration--cd concentrations--cr concentration--ecosystem components--emission spectral analysis--flame photometry--fly larvae--international standards--periphytons--primary producers--waterbodies--aquaculture--cadmium--chromium--ecology--photometry--spectroscopy--spectrum analysis--spectrum analyzers--water absorption--water analysis--concentration (process)--aluminum--aquatic ecosystem--aquatic organism--cadmium--chromium--concentration (composition)--copper--pollutant transport--river pollution--trophic environment--krasnoyarsk [russian federation]--russian federation--yenisei river--bryophyta--decapoda (crustacea)--thymallus arcticus
Аннотация: Methods of atomic absorption, flame photometry, and emission spectral analysis were used to study the concentrations of metals in water and major ecosystem components of the Yenisei River upstream of Krasnoyarsk City (conventionally background area). The mean bulk concentrations of Al and Cu in water exceeded the MAC for water bodies used for fishery. Cu concentration in freshwater shrimp was found to be reliably higher than that in the link of primary producers (periphyton), and Cd concentration in caddis fly larvae was found to exceed that in water moss. The maximal concentrations of metals among the examined aquatic organisms were recorded in periphyton. Cr concentration in the muscles of Arctic grayling was found to exceed some international standards. В© 2009 Pleiades Publishing, Ltd.
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Yemelyanova A.Y., Temerova T.A., Degermendzhy A.G.
Заглавие : Distribution of Gammarus lacustris Sars (Amphipoda, Gammaridae) in Lake Shira (Khakasia, Siberia) and laboratory study of its growth characteristics
Место публикации : Aquatic Ecology. - 2002. - Vol. 36, Is. 2. - С. 245-256. - ISSN 13862588 (ISSN) , DOI 10.1023/A:1015624205389
Ключевые слова (''Своб.индексиров.''): biomass--fresh-water shrimp--gammarus lacustris--growth--numbers--biomass--growth rate--saline lake--spatial distribution--zoobenthos--russian federation--amphipoda--cellular organisms--decapoda (crustacea)--gammaridae--gammarus--gammarus lacustris--invertebrata
Аннотация: Spatial distribution of Gammarus lacustris in Lake Shira and growth of young specimens that feed on lake biota were studied. The amphipods have been shown to inhabit the littoral, sublittoral and the upper aphytal zones of the lake on stony-sandy soil and silted sand. The young and adult individuals stay apart. The young live in submerged or semi-submerged vegetation in the littoral, the adults in the sublittoral and upper aphytal zones. Maximum density of amphipods was encountered in the areas influenced by human activity. The feeding experiments revealed that the lake plankton is a more important food source for G. lacustris than any other food species. The specific growth rate measured was 0.039 d-1, with a length increment 0.095 mm d-1.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gusakov V. A., Makhutova O. N., Gladyshev M. I., Golovatyuk L. V., Zinchenko T. D.
Заглавие : Ecological role of cyprideis torosa and heterocypris salina (Crustacea, ostracoda) in saline rivers of the lake elton basin: Abundance, biomass, production, fatty acids
Место публикации : Zool. Stud.: Biodiversity Research Center, Academia Sinica, 2021. - Vol. 60. - С. 60-53. - ISSN 10215506 (ISSN), DOI 10.6620/ZS.2021.60-53
Аннотация: Saline rivers are highly productive ecosystems in arid regions. The meiobenthic community (bottom meiofauna) and its dominant representatives are one of the least studied components of these aquatic ecosystems. Ostracods Cyprideis torosa and Heterocypris salina are major consumers among the species of bottom meiofauna in saline rivers flowing into the hyperhaline Lake Elton (Volgograd Region, Russia). We estimated the abundance, biomass and production of C. torosa, the dominant species at the mouth of the polyhaline Chernavka River (average salinity is ~30 g l-1), and H. salina, the dominant species at the mouth of the mesohaline Bolshaya Samoroda River (~13 g l-1), in spring (May) and summer (August). Additionally, we studied the composition and content of fatty acids of the ostracods and their potential food sources (bottom sediments with bacterial-algal mats). We found that the abundance and biomass (wet weight with shells) of C. torosa in the Chernavka River and H. salina in the Bolshaya Samoroda River reached 3.5 ? 106 ind. m-2 and 117 g m-2, and 1.1 ? 105 ind. m-2 and 12 g m-2, respectively. The first species formed on average about 85% of the total abundance and 96% of the total biomass of the meiobenthos, and the second one, about 13% and 31%, respectively. The daily production of C. torosa and H. salina can reach 249 and 36 mg m-2 ash-free dry weight, respectively. The results indicate that these species may play an important role in the total flow of matter and energy in the studied habitats. Based on the fatty acid (FA) composition of the ostracods and their food sources, it was found that C. torosa mainly consumed diatoms, while H. salina preferred bacteria, cyanobacteria, and green algae. Differences between the species were greater than differences between the bottom sediments from the rivers. It may mean that the ostracods selectively consumed different food items that may be related to the different nutrient requirements of the species. Seasonal changes in the FA compositions of the ostracods were higher than in their food sources (bottom sediments), which also indicates selective feeding of the species. © 2021 Academia Sinica, Taiwan.
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gusakov, Vladimir A., Makhutova, Olesia N., Gladyshev, Michail I., Golovatyuk L. V., Zinchenko, Tatiana D.
Заглавие : Ecological Role of Cyprideis torosa and Heterocypris salina (Crustacea, Ostracoda) in Saline Rivers of the Lake Elton Basin: Abundance, Biomass, Production, Fatty Acids
Колич.характеристики :16 с
Коллективы : Russian Foundation for Basic Research (RFBR)Russian Foundation for Basic Research (RFBR) [13-04-00740, 15-04-03341, 17-04-00135]; Russian FederationRussian Federation [51.1.1]; Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]
Место публикации : Zool. Stud.: BIODIVERSITY RESEARCH CENTER, ACAD SINICA, 2021. - Vol. 60. - Ст.53. - ISSN 1021-5506, DOI 10.6620/ZS.2021.60-53. - ISSN 1810-522X(eISSN)
Примечания : Cited References:84. - This research was performed in the framework of State Assignments No. 121051100109-1 and AAAA-A17-117112040039-7, and it was also supported by the grants from Russian Foundation for Basic Research (RFBR) (projects numbers 13-04-00740, 15-04-03341, 17-04-00135), State Assignment within the framework of the basic research program of the Russian Federation (topic No. 51.1.1), State Assignment of the Ministry of Science and Higher Education of the Russian Federation to Siberian Federal University in 2020 (project No. FSRZ-2020-0006 "Biologically active substances in environmental, biotechnological and medical systems"). The authors are grateful to Elena Krasova for linguistic check and improvements of the manuscript. We would also like to thank two anonymous reviewers for their constructive comments, recommendations as well as extra corrections of the paper's language and style.
Предметные рубрики: JONES 1850 CRUSTACEA
MACROZOOBENTHIC COMMUNITIES
INVERTEBRATES
Аннотация: Saline rivers are highly productive ecosystems in arid regions. The meiobenthic community (bottom meiofauna) and its dominant representatives are one of the least studied components of these aquatic ecosystems. Ostracods Cyprideis torosa and Heterocypris salina are major consumers among the species of bottom meiofauna in saline rivers flowing into the hyperhaline Lake Elton (Volgograd Region, Russia). We estimated the abundance, biomass and production of C. torosa, the dominant species at the mouth of the polyhaline Chernavka River (average salinity is similar to 30 g l(-1)), and H. salina, the dominant species at the mouth of the mesohaline Bolshaya Samoroda River (similar to 13 g l(-1)), in spring (May) and summer (August). Additionally, we studied the composition and content of fatty acids of the ostracods and their potential food sources (bottom sediments with bacterial-algal mats). We found that the abundance and biomass (wet weight with shells) of C. torosa in the Chernavka River and H. salina in the Bolshaya Samoroda River reached 3.5 x 10(6) ind. m(-2) and 117 g m(-2), and 1.1 x 10(5) ind. m(-2) and 12 g m(-2), respectively. The first species formed on average about 85% of the total abundance and 96% of the total biomass of the meiobenthos, and the second one, about 13% and 31%, respectively. The daily production of C. torosa and H. salina can reach 249 and 36 mg m(-2) ash-free dry weight, respectively. The results indicate that these species may play an important role in the total flow of matter and energy in the studied habitats. Based on the fatty acid (FA) composition of the ostracods and their food sources, it was found that C. torosa mainly consumed diatoms, while H. salina preferred bacteria, cyanobacteria, and green algae. Differences between the species were greater than differences between the bottom sediments from the rivers. It may mean that the ostracods selectively consumed different food items that may be related to the different nutrient requirements of the species. Seasonal changes in the FA compositions of the ostracods were higher than in their food sources (bottom sediments), which also indicates selective feeding of the species.
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18.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Zadereev Y.S.
Заглавие : Effect of chemical interactions on the diapause induction in zooplankton
Колич.характеристики :4 с
Место публикации : International Association of Theoretical and Applied Limnology, Vol 29, Pt 1, Proceedings. Ser. INTERNATIONAL ASSOCIATION OF THEORETICAL AND APPLIED LIMNOLOGY - PROCEEDINGS: E SCHWEIZERBART'SCHE VERLAGSBUCHHANDLUNG, 2005. - Vol. 29: 29th Congress of the International-Association-of-Theoretical-and-Applied-Limnology (AUG 08-14, 2004, Lahti, FINLAND). - P227-230. - ISBN 0368-0770. - ISBN 3-510-54065-4
Примечания : Cited References: 24
Предметные рубрики: PREDATOR-INDUCED DIAPAUSE
BRACHIONUS-PLICATILIS
DAPHNIA-MAGNA
REPRODUCTION
CLADOCERA
REDUCTION
CRUSTACEA
DENSITY
GROWTH
PULEX
Ключевые слова (''Своб.индексиров.''): embryonic diapause--density dependence--predator avoidance--chemical interactions
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Semenchenko V.P., Dubovskaya O.P., Fefilova E.B., Makhutova O.N., Buseva Z.F., Sushchik N.N., Razlutskij V.I., Lepskaya E.V., Baturina M.A., Kalachova G.S., Kononova O.N.
Заглавие : Effect of temperature on contents of essential highly unsaturated fatty acids in freshwater zooplankton
Место публикации : Limnologica. - 2011. - Vol. 41, Is. 4. - С. 339-347. - ISSN 00759511 (ISSN) , DOI 10.1016/j.limno.2011.03.001
Ключевые слова (''Своб.индексиров.''): cladocerans--copepods--essential polyunsaturated fatty acids--freshwater zooplankton--water temperature--biomass--climate effect--community structure--fatty acid--freshwater ecosystem--gas chromatography--lake ecosystem--multivariate analysis--seston--taxonomy--temperature effect--trophic level--zooplankton--animalia--copepoda--crustacea
Аннотация: In 11 lakes from cold and warm regions we studied the content of highly unsaturated fatty acids (HUFA) in seston (130?m) and crustacean zooplankton using gas chromatography-mass spectrometry. An increase of temperature correlated with a decrease of HUFA content in zooplankton. A multivariate canonical correlation analyses revealed, that the decrease of HUFA content was related with a decrease of per cent of copepods in zooplankton communities, which are known to have higher HUFA levels in their biomass, than cladocerans. This means that temperature primarily affected the HUFA levels indirectly, via changing of taxonomic structure of zooplankton community, while the homeoviscous adaptation of zooplankton individuals had comparatively lower importance. As found, water temperature was better predictor of HUFA contents of zooplankton, than the fatty acid composition of seston. Thus, it can be predicted, that a probable climate warming will decrease the content of the essential HUFA in freshwater zooplankton with possible negative consequences for animals of higher trophic levels. В© 2011 Elsevier GmbH.
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tolomeyev A.P., Zadereev E.S., Degermendzhy A.G.
Заглавие : Fine stratified distribution of Gammarus lacustris sars (Crustacea: Amphipoda) in the pelagic zone of the meromictic Lake Shira (Khakassia, Russia)
Место публикации : Doklady Biochemistry and Biophysics. - 2006. - Vol. 411, Is. 1. - С. 346-348. - ISSN 16076729 (ISSN) , DOI 10.1134/S1607672906060068
Ключевые слова (''Своб.индексиров.''): fresh water--animal--article--crustacea--demography--ecosystem--physiology--population dynamics--animals--crustacea--demography--ecosystem--fresh water--population dynamics--amphipoda--crustacea--gammarus--gammarus lacustris
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