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New data on transuranium elements in the ecosystem of the Yenisei river floodplain / A. Bolsunovsky, A. Ermakov, A. Sobolev // Radiochimica Acta. - 2007. - Vol. 95, Is. 9. - P547-552, DOI 10.1524/ract.2007.95.9.547 . - ISSN 0033-8230
Кл.слова (ненормированные):
243,244Cm -- Blackcurrant -- Sediment and floodplain soil of the Yenisei river -- Soil-plant transfer factor (TF) -- Transuranium elements
Аннотация: The aim of the study is to investigate levels of transuranium elements in the ecosystem of the Yenisei river floodplain in the vicinity of the Mining-and-Chemical Combine of Rosatom. For the first time, the transuranium isotopes 243,244Cm have been detected in sediment, floodplain soil, and a berry shrub (Ribes nigrum - the blackcurrant) in the flood-plain of the Yenisei river. The highest level of curium isotopes registered in the sediment of the Yenisei river is 21.4 Bq/kg (dry), which is more than twice higher than maximum curium levels reported for soils sampled not far from the Chernobyl Nuclear Plant. Blackcurrant plants growing on radioactively contaminated soils contain the same transuranium elements as the soil (plutonium isotopes, americium, and curium). The highest activity concentrations of all transuranic elements have been found in ashed roots of the blackcurrant plants: 239,240Pu - 9.3 Bq/kg, 241Am - 6.9 Bq/kg, and 243,244Cm - 1.8 Bq/kg. The highest soil-plant transfer factor (TF) for 243,244Cm is determined for roots - 0.073; the TF of 243,244Cm in berries is 0.027. The TF for 239,240Pu in berries is 0.006, which is several times lower than the TF for 243,244Cm. Analysis of our results and the literature data suggests that TFs for 243,244Cm are higher than those for 239,240Pu and 241Am. В© by Oldenbourg Wissenschaftsverlag.

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Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
SIA RADON, Moscow, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Bolsunovsky, A.; Ermakov, A.; Sobolev, A.

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Microbial degradation of polyhydroxyalkanoates in tropical soils / A. N. Boyandin [et al.] // International Biodeterioration and Biodegradation. - 2013. - Vol. 83. - P77-84, DOI 10.1016/j.ibiod.2013.04.014 . - ISSN 0964-8305
Кл.слова (ненормированные):
Biopolymer properties -- Biopolymers -- PHA degrading microorganisms -- Polyhydroxyalkanoates (PHAs) -- Soil biodegradation -- 3-hydroxybutyric acid -- Degree of crystallinity -- Hydroxyalkanoic acids -- Microbial characteristics -- Microbial degradation -- Polyhydroxyalkanoates -- Polymer molecular mass -- Soil biodegradations -- Bacteriology -- Biomolecules -- Biopolymers -- Microorganisms -- Soils -- Tropics -- Biodegradation -- biodegradation -- chemical composition -- microbial activity -- microbial community -- molecular analysis -- organic compound -- polymer -- soil degradation -- soil microorganism -- tropical soil
Аннотация: The integrated study addressing biodegradation of microbial linear polyesters of hydroxyalkanoic acids (polyhydroxyalkanoates, PHAs) in tropical conditions by microbial communities of Vietnamese soils was performed in locations close to Hanoi and Nha Trang, which differed in their weather conditions and microbial communities. It shows that PHA degradation in tropical soils is influenced by polymer chemical composition, specimen shape, and microbial characteristics. The homopolymer of 3-hydroxybutyric acid is degraded at higher rates than the copolymer of 3-hydroxybutyric and 3-hydroxyvaleric acids. The average rates of mass loss were 0.04-0.33% per day for films and 0.02-0.18% for compact pellets. PHA degradation was accompanied by a decrease in the polymer molecular mass and, usually, an increase in the degree of crystallinity, suggesting preferential degradation of the amorphous phase. Under the study conditions, representatives of the bacterial genera Burkholderia, Bacillus, Cupriavidus, Mycobacterium, and Nocardiopsis and such micromycetes as Acremonium, Gongronella, Paecilomyces, and Penicillium, Trichoderma have been identified as major PHA degraders. В© 2013 Elsevier Ltd.

Scopus
Держатели документа:
Institute of Biophysics of Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russian Federation
The Joint Russian-Vietnam Tropical Research and Test Center, Hanoi, Viet Nam
Inst. of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Boyandin, A.N.; Prudnikova, S.V.; Karpov, V.A.; Ivonin, V.N.; D?, N.L.; Nguy?n, T.H.; Le, T.M.H.; Filichev, N.L.; Levin, A.L.; Filipenko, M.L.; Volova, T.G.; Gitelson, I.I.

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Biodegradation of polyhydroxyalkanoate films in natural environments / A. N. Boyandin [et al.] // Macromolecular Symposia. - 2012. - Vol. 320, Is. 1. - P38-42, DOI 10.1002/masy.201251004 . - ISSN 1022-1360
Кл.слова (ненормированные):
biodegradation -- biopolymers -- microbial degradation -- polyhydroxyalkanoates -- Acinetobacters -- Acremonium -- Alcaligenes -- Burkholderia -- Degradation rate -- Degrading activities -- Degrading bacteria -- Enterobacter -- Hydroxyvalerate -- Mass loss -- Microbial degradation -- Micromycetes -- Natural environments -- Paecilomyces -- Poly-3-hydroxybutyrate -- Poly-hydroxyalkanoate -- Polyhydroxyalkanoates -- SIBERIA -- South China sea -- Stenotrophomonas -- Trichoderma -- Tropical soils -- Viet Nam -- Xanthomonas -- Bacteria -- Bacteriology -- Biopolymers -- Degradation -- Seawater -- Soils -- Tropics -- Biodegradation
Аннотация: Biodegradation of film specimens from polyhydroxyalkanoates (PHAs) of two types - poly-3-hydroxybutyrate (PHB) and poly-3-hydroxybutyrate-co-3- hydroxyvalerate (PHBV) - was analysed in different environments: tropical sea waters of the South China Sea (Nha Trang, Vietnam) and soils in the environs of Hanoi (Vietnam), Nha Trang (Vietnam) and Krasnoyarsk (Siberia, Russia). In seawater, the mass loss of the specimens of both types was almost equal. However, in tropical soils, PHB degraded quicker than PHBV. In the Siberian soil, the degradation rate of the PHBV was generally higher than that of PHBV. Analysis of molecular mass of PHA specimens showed its decreasing during biodegradation. In the tropical sea conditions, PHA degrading microorganisms were represented by bacteria of Enterobacter, Bacillus and Gracilibacillus genera. Among PHA degrading bacteria, Burkholderia, Alcaligenes, Bacillus, Mycobacterium and Streptomyces genera were identified in Vietnamese soils, and Variovorax, Stenotrophomonas, Acinetobacter, Pseudomonas, Bacillus and Xanthomonas genera in Siberian soils. Micromycetes of Gongronella, Paecilomyces, Penicillium and Trichoderma genera exhibited PHA degrading activity in Vietnamese soils, and Paecilomyces, Penicillium, Acremonium, Verticillium and Zygosporium genera - in Siberian soils. Copyright В© 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Scopus
Держатели документа:
Institute of Biophysics, SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79 Svobodnyi Av., Krasnoyarsk, 660041, Russian Federation
Joint Vietnam-Russian Tropical Research and Technological Centre, Nguyen Van Huyen, Nghia Do, Cau Giay, Hanoi, Viet Nam
Institute of Chemical Biology and Fundamental Medicine, SB RAS, 8 Lavrentiev Ave., Novosibirsk, 630090, Russian Federation
Massachusetts Institute of Technology, Cambridge, MA 02139, United States : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Boyandin, A.N.; Rudnev, V.P.; Ivonin, V.N.; Prudnikova, S.V.; Korobikhina, K.I.; Filipenko, M.L.; Volova, T.G.; Sinskey, A.J.

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Metal Concentrations in the Ecosystem and Around Recreational and Fish-Breeding Pond Bugach / M. I. Gladyshev [et al.] // Water Resources. - 2001. - Vol. 28, Is. 3. - P288-296, DOI 10.1023/A:1010400807660 . - ISSN 0097-8078
Аннотация: Data of two field studies were used to analyze the concentrations of Na, K, Ca, Mg, Fe, Mn, Zn, Cu, Al, Cr, Ni, Cd, and Pb in the water, bottom deposits, zoobenthos, fish, and macrophytes of the Pond Bugach and in the soils near the pond. It was established that the majority of metals in the soils and bottom deposits correlate and their concentrations are governed by the universal geochemical factors of the region. The heavy metals were recognized that originate from anthropogenic sources and their concentrations were found to exceed the maximum admissible values for different components of the ecosystem. Five types of heavy metals migration were recognized in the soil-bottom deposits-zoobenthos-fish chain and in macrophytes. Statistically significant difference was found to exist between the concentrations of some heavy metals in the muscles of fish species with different food types (crucian carp and perch) as well as between the correlations of metals. The recorded concentrations were compared with the concentrations of metals measured in the last decade in other limnetic ecosystems in Siberia, Europe, North America, and China.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk Agricultural University, pr. Mira 88, Krasnoyarsk, 660049, Russian Federation
Krasnoyarsk State University, Svobodnyi prosp. 79, Krasnoyarsk, 660042, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gladyshev, M.I.; Gribovskaya, I.V.; Ivanova, E.A.; Moskvichova, A.V.; Muchkina, E.Ya.; Chuprov, S.M.

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Content of metals in compartments of ecosystem of a Siberian pond / M. I. Gladyshev [et al.] // Archives of Environmental Contamination and Toxicology. - 2001. - Vol. 41, Is. 2. - P157-162, DOI 10.1007/s002440010233 . - ISSN 0090-4341
Кл.слова (ненормированные):
aluminum -- cadmium -- calcium -- chromium -- copper -- heavy metal -- iron -- lead -- magnesium -- manganese -- nickel -- potassium -- sodium -- zinc -- aquatic ecosystem -- biological uptake -- heavy metal -- pond -- article -- bioaccumulation -- ecosystem -- fish -- nonhuman -- pond -- priority journal -- Russian Federation -- sediment -- soil pollution -- water contamination -- Animals -- Ecosystem -- Environmental Monitoring -- Fishes -- Geologic Sediments -- Invertebrates -- Metals, Heavy -- Plants -- Water Pollutants -- Russian Federation
Аннотация: During three field seasons (June-September) of 1997-99 contents of Na, K, Ca, Mg, Fe, Mn, Zn, Cu, Al, Cr, Ni, Cd, and Pb were determined in compartments of ecosystem (surrounding soils, bottom sediments, water, zoobenthos, macrophytes, and fish) of a fish and recreation pond situated at the edge of Krasnoyarsk City (Siberia, Russia). Contents of most parts of metals in soils, water, and macrophytes significantly correlated with each other. As concluded, their contents were determined by natural, general, geochemical peculiarities of the region. Heavy metals, contents of which were higher than federal upper limits of concentration, were revealed. In muscles of fish with different feeding spectra - crucian and perch - concentrations of some metals differed significantly; correlation graphs for metals also had different structures. Comparison of our data with those on diverse aquatic ecosystems of Siberia, Europe, North America, and China published in the last decade was carried out. It was concluded that a distribution of heavy metals in the compartments of an aquatic ecosystem presently have to be determined for each particular water body until general regularities are discovered.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State Agricultural University, Mira av., 88, Krasnoyarsk, 660049, Russian Federation
Krasnoyarsk State University, Svobodny av., 79, Krasnoyarsk, 660042, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gladyshev, M.I.; Gribovskaya, I.V.; Moskvicheva, A.V.; Muchkina, E.Y.; Chuprov, S.M.; Ivanova, E.A.

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Use of halophytic plants for recycling NaCl in human liquid waste in a bioregenerative life support system / Y. Balnokin [et al.] // Advances in Space Research. - 2010. - Vol. 46, Is. 6. - P768-774, DOI 10.1016/j.asr.2010.03.020 . - ISSN 0273-1177
Кл.слова (ненормированные):
Biological life support system -- Halophytes -- Human waste recycling -- NaCl recycling -- A plants -- Biological life support systems -- Biomass productions -- Bioregenerative life support systems -- Daily ration -- Europaea -- Growth conditions -- Halophytes -- Halophytic plants -- Human waste -- Liquid wastes -- Nutrient solution -- Optimal conditions -- Salicornia europaea -- Body fluids -- Liquids -- Nutrients -- Plant shutdowns -- Plants (botany) -- Recycling -- Sodium alloys -- Sodium chloride
Аннотация: The purpose of this work was to develop technology for recycling NaCl containing in human liquid waste as intrasystem matter in a bioregenerative life support system (BLSS). The circulation of Na+ and Cl- excreted in urine is achieved by inclusion of halophytes, i.e. plants that naturally inhabit salt-rich soils and accumulate NaCl in their organs. A model of Na+ and Cl- recycling in a BLSS was designed, based on the NaCl turnover in the human-urine-nutrient solution-halophytic plant-human cycle. The study consisted of (i) selecting a halophyte suitable for inclusion in a BLSS, and (ii) determining growth conditions supporting maximal Na + and Cl- accumulation in the shoots of the halophyte growing in a nutrient solution simulating mineralized urine. For the selected halophytic plant, Salicornia europaea, growth rate under optimal conditions, biomass production and quantities of Na+ and Cl- absorbed were determined. Characteristics of a plant production conveyor consisting of S. europaea at various ages, and allowing continuity of Na+ and Cl - turnover, were estimated. It was shown that closure of the NaCl cycle in a BLSS can be attained if the daily ration of fresh Salicornia biomass for a BLSS inhabitant is approximately 360 g. В© 2010 COSPAR. Published by Elsevier Ltd. All rights reserved.

Scopus
Держатели документа:
K.A. Timiryazev Plant Physiology Institute, Russian Academy of Sciences, 127276 Moscow, Russian Federation
Institute of Biophysics, Siberian Branch of Russian Academy of Sciences, 660036 Krasnoyarsk, Russian Federation
TEC-MCT, ESA/Estec, 1 Keplerlaan, 2201 AG Noordwijk, Netherlands
Universite Blaise Pascal, LGCB, Polytech'Clermont-Ferrand, BP206, 63174 Aubire cedex, France : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Balnokin, Y.; Nikolai, M.; Popova, L.; Tikhomirov, A.; Ushakova, S.; Lasseur, C.; Gros, J.-B.

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Production characteristics of the "higher plants-soil-like substrate" system as an element of the bioregenerative life support system / V. V. Velichko [et al.] // Advances in Space Research. - 2013. - Vol. 51, Is. 1. - P115-123, DOI 10.1016/j.asr.2012.08.003 . - ISSN 0273-1177
Кл.слова (ненормированные):
Biological-technical life support system -- Soil-like substrate -- Utilization of plant wastes -- Age groups -- Bioregenerative life support systems -- Cultivated crops -- Cyperus esculentus -- Growth chamber -- Higher plants -- Mineral element -- Nitrogen content -- Nutrient solution -- Plant wastes -- Raphanus sativus -- Root zone -- Soil-like substrate -- Study materials -- Biomass -- Carbon dioxide -- Harvesting -- Minerals -- Plants (botany) -- Soils -- Substrates -- Waste utilization -- Ecology
Аннотация: The study addresses the possibility of long-duration operation of a higher plant conveyor, using a soil-like substrate (SLS) as the root zone. Chufa (Cyperus esculentus L.), radish (Raphanus sativus L.), and lettuce (Lactuca sativa L.) were used as study material. A chufa community consisting of 4 age groups and radish and lettuce communities consisting of 2 age groups were irrigated with a nutrient solution, which contained mineral elements extracted from the SLS. After each harvest, inedible biomass of the harvested plants and inedible biomasses of wheat and saltwort were added to the SLS. The amounts of the inedible biomasses of wheat and saltwort to be added to the SLS were determined based on the nitrogen content of the edible mass of harvested plants. CO2 concentration in the growth chamber was maintained within the range of 1100-1700 ppm. The results of the study show that higher plants can be grown quite successfully using the proposed process of plant waste utilization in the SLS. The addition of chufa inedible biomass to the SLS resulted in species-specific inhibition of growth of both cultivated crops and microorganisms in the "higher plants - SLS" system. There were certain differences between the amounts of some mineral elements removed from the SLS with the harvested edible biomass and those added to it with the inedible biomasses of wheat and saltwort. В© 2012 COSPAR. Published by Elsevier Ltd. All rights reserved.

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Держатели документа:
Institute of Biophysics, Siberian Branch of Russian Academy of Science, Akademgorodok, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Velichko, V.V.; Tikhomirov, A.A.; Ushakova, S.A.; Tikhomirova, N.A.; Shihov, V.N.; Tirranen, L.S.; Gribovskaya, I.A.

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Use of human wastes oxidized to different degrees in cultivation of higher plants on the soil-like substrate intended for closed ecosystems / A. A. Tikhomirov [et al.] // Advances in Space Research. - 2010. - Vol. 46, Is. 6. - P744-750, DOI 10.1016/j.asr.2010.02.024 . - ISSN 0273-1177
Кл.слова (ненормированные):
Life support systems -- Microflora -- Mineralized human wastes -- Phototrophic unit -- Wet incineration -- Alternating electromagnetic field -- Bioregenerative life support systems -- Degree of oxidations -- Denitrifying microorganisms -- Growth and development -- Higher plants -- Human waste -- Life support systems -- Mass exchange -- Microbiotas -- Microflora -- Microscopic fungi -- Mineralized human wastes -- Nutrient solution -- Oxidation level -- Phytopathogenic bacteria -- Plant productivity -- Soil-like substrate -- Wheat plants -- Biomolecules -- Electromagnetic fields -- Irrigation -- Magnetic field effects -- Metabolism -- Metabolites -- Oxidation -- Plants (botany) -- Soils -- Solvent extraction -- Wastes -- Waste incineration
Аннотация: To close mass exchange loops in bioregenerative life support systems more efficiently, researchers of the Institute of Biophysics SB RAS (Krasnoyarsk, Russia) have developed a procedure of wet combustion of human wastes and inedible parts of plants using H2O2 in alternating electromagnetic field. Human wastes pretreated in this way can be used as nutrient solutions to grow plants in the phototrophic unit of the LSS. The purpose of this study was to explore the possibilities of using human wastes oxidized to different degrees to grow plants cultivated on the soil-like substrate (SLS). The treated human wastes were analyzed to test their sterility. Then we investigated the effects produced by human wastes oxidized to different degrees on growth and development of wheat plants and on the composition of microflora in the SLS. The irrigation solution contained water, substances extracted from the substrate, and certain amounts of the mineralized human wastes. The experiments showed that the human wastes oxidized using reduced amounts of 30% H2O2: 1 ml/g of feces and 0.25 ml/ml of urine were still sterile. The experiments with wheat plants grown on the SLS and irrigated by the solution containing treated human wastes in the amount simulating 1/6 of the daily diet of a human showed that the degree of oxidation of human wastes did not significantly affect plant productivity. On the other hand, the composition of the microbiota of irrigation solutions was affected by the oxidation level of the added metabolites. In the solutions supplemented with partially oxidized metabolites yeast-like microscopic fungi were 20 times more abundant than in the solutions containing fully oxidized metabolites. Moreover, in the solutions containing incompletely oxidized human wastes the amounts of phytopathogenic bacteria and denitrifying microorganisms were larger. Thus, insufficiently oxidized sterile human wastes added to the irrigation solutions significantly affect the composition of the microbiological component of these solutions, which can ultimately unbalance the system as a whole. В© 2010 COSPAR. Published by Elsevier Ltd. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics SB RAS, Akademgorodok, 50/50, Krasnoyarsk 660036, Russian Federation
Universite Blaise Pascal, 24 avenue des Landais, 63174 Aubiere cedex, France
ESA/ESTEC, Keplerlaan 1, 2201 AZ Noordwijk, Netherlands : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Tikhomirov, A.A.; Kudenko, Y.A.; Ushakova, S.A.; Tirranen, L.S.; Gribovskaya, I.A.; Gros, J.-B.; Lasseur, C.

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Some methods for human liquid and solid waste utilization in bioregenerative life-support systems / S. A. Ushakova [et al.] // Applied Biochemistry and Biotechnology. - 2008. - Vol. 151, Is. 2-3. - P676-685, DOI 10.1007/s12010-008-8291-3 . - ISSN 0273-2289
Кл.слова (ненормированные):
Closure -- Human waste -- Life-support systems -- Salicornia -- Sodium chloride -- Above-ground biomass -- Biological lives -- Bioregenerative -- Closure -- Cultivation process -- Culture methods -- Human waste -- Irrigation waters -- Life-support systems -- Manned space missions -- Mineral elements -- Physico-chemical methods -- Salicornia -- Salicornia europaea -- Salt-tolerant -- Soil-like substrates -- Biomass -- Body fluids -- Electrodialysis -- Grain (agricultural product) -- Irrigation -- Liquids -- Metal refining -- Minerals -- Mining -- Oxidation -- Plant shutdowns -- Sodium chloride -- Soils -- Solid wastes -- Substrates -- Water supply -- Vegetation -- article -- biomass -- controlled study -- electrodialysis -- halophyte -- irrigation (agriculture) -- microclimate -- nonhuman -- recycling -- Salicornia europaea -- solid waste -- bioremediation -- dialysis -- feces -- goosefoot -- growth, development and aging -- human -- methodology -- salt tolerance -- urine -- waste management -- wheat -- Batis maritima -- Salicornia -- Salicornia europaea -- Triticum aestivum -- Biodegradation, Environmental -- Chenopodiaceae -- Dialysis -- Feces -- Humans -- Life Support Systems -- Salt-Tolerance -- Triticum -- Urine -- Waste Management
Аннотация: Bioregenerative life-support systems (BLSS) are studied for developing the technology for a future biological life-support system for long-term manned space missions. Ways to utilize human liquid and solid wastes to increase the closure degree of BLSS were investigated. First, urine and faeces underwent oxidation by Kudenko's physicochemical method. The products were then used for root nutrition of wheat grown by the soil-like substrate culture method. Two means of eliminating sodium chloride, introduced into the irrigation solution together with the products of urine oxidation, were investigated. The first was based on routine electrodialysis of irrigation water at the end of wheat vegetation. Dialysis eliminated about 50% of Na from the solution. This desalinization was performed for nine vegetations. The second method was new: after wheat cultivation, the irrigation solution and the solution obtained by washing the substrate containing mineral elements not absorbed by the plants were used to grow salt-tolerant Salicornia europaea L. plants (saltwort). The above-ground biomass of this plant can be used as a food, and roots can be added to the soil-like substrate. Four consecutive wheat and Salicornia vegetations were cultivated. As a result of this wheat and Salicornia cultivation process, the soil-like substrate salinization by NaCl were considerably decreased. В© 2008 Humana Press.

Scopus
Держатели документа:
Institute of Biophysics, Russian Academy of Science, Siberian Branch, 660036 Krasnoyarsk, Russian Federation
K.A. Timiraziev Institute of Plant Physiology, Russian Academy of Science, 35 Botanisheskaya, 127276 Moscow, Russian Federation
LGCB, Universite Blaise Pascal, Polytech'Clermont-Ferrand, P.O. Box 206, 63174 Aubiere cedex, France : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Ushakova, S.A.; Zolotukhin, I.G.; Tikhomirov, A.A.; Tikhomirova, N.A.; Kudenko, Yu.A.; Gribovskaya, I.V.; Balnokin, Yu.; Gros, J.B.

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10.

Testing soil-like substrate for growing plants in bioregenerative life support systems / J. B. Gros [et al.] // Advances in Space Research. - 2005. - Vol. 36, Is. 7. - P1312-1318, DOI 10.1016/j.asr.2005.05.079 . - ISSN 0273-1177
Кл.слова (ненормированные):
Life support system -- Matter recycling -- Plants -- Soil-like substrate -- Biodiversity -- Correlation methods -- Growth kinetics -- Hormones -- Plants (botany) -- Recycling -- Soils -- Bioregeneration -- Life support system -- Matter recycling -- Soil-like substrate -- Space research
Аннотация: We studied soil-like substrate (SLS) as a potential candidate for plant cultivation in bioregenerative life support systems (BLSS). The SLS was obtained by successive conversion of wheat straw by oyster mushrooms and worms. Mature SLS contained 9.5% humic acids and 4.9% fulvic acids. First, it was shown that wheat, bean and cucumber yields as well as radish yields when cultivated on mature SLS were comparable to yields obtained on a neutral substrate (expanded clay aggregate) under hydroponics. Second, the possibility of increasing wheat and radish yields on the SLS was assessed at three levels of light intensity: 690, 920 and 1150 ?mol m-2 s-1 of photosynthetically active radiation (PAR). The highest wheat yield was obtained at 920 ?mol m-2 s-1, while radish yield increased steadily with increasing light intensity. Third, long-term SLS fertility was tested in a BLSS model with mineral and organic matter recycling. Eight cycles of wheat and 13 cycles of radish cultivation were carried out on the SLS in the experimental system. Correlation coefficients between SLS nitrogen content and total wheat biomass and grain yield were 0.92 and 0.97, respectively, and correlation coefficients between nitrogen content and total radish biomass and edible root yield were 0.88 and 0.87, respectively. Changes in hormone content (auxins, gibberellins, cytokinins and abscisic acid) in the SLS during matter recycling did not reduce plant productivity. Quantitative and species compositions of the SLS and irrigation water microflora were also investigated. Microbial community analysis of the SLS showed bacteria from Bacillus, Pseudomonas, Proteus, Nocardia, Mycobacterium, Arthrobacter and Enterobacter genera, and fungi from Trichoderma, Penicillium, Fusarium, Aspergillus, Mucor, Botrytis, and Cladosporium genera. В© 2005 COSPAR. Published by Elsevier Ltd. All rights reserved.

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Держатели документа:
LGCB, Universite B. Pascal, CUST, BP206, 63174 Aubiere cedex, France
Environmental Control and Life Support Section, ESA-Estec, Postbus 299, 2200 AG, Noordwijk, Netherlands
Institute of Biophysics (Russian Academy of Sciences, Siberian Branch), Academgorodok, Krasnoyarsk 660036, Russian Federation
Department of Plant Physiology and Biotechnology, Tomsk State University, Lenin av. 36, Tomsk 634050, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gros, J.B.; Lasseur, Ch.; Tikhomirov, A.A.; Manukovsky, N.S.; Kovalev, V.S.; Ushakova, S.A.; Zolotukhin, I.G.; Tirranen, L.S.; Karnachuk, R.A.; Dorofeev, V.Yu.

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11.

Biological and physicochemical methods for utilization of plant wastes and human exometabolites for increasing internal cycling and closure of life support systems / I. G. Zolotukhin [et al.] // Advances in Space Research. - 2005. - Vol. 35, Is. 9 SPEC. ISS. - P1559-1562, DOI 10.1016/j.asr.2005.01.006 . - ISSN 0273-1177
Кл.слова (ненормированные):
BLSS -- Desalting -- Higher plants -- NaCl utilization -- SLS -- Biomass -- Crops -- Decomposition -- Electrodialysis -- Harvesting -- Metabolites -- Soils -- Wastes -- BLSS -- Higher plants -- NaCl utilization -- SLS -- Plants (botany) -- Biomass -- Decay -- Deionization -- Harvesting -- Plants -- Soil -- Wastes -- Wheat -- sodium chloride -- article -- biomass -- bioremediation -- culture medium -- feces -- growth, development and aging -- human -- metabolism -- methodology -- microbiology -- microclimate -- urine -- waste management -- wheat -- Biodegradation, Environmental -- Biomass -- Culture Media -- Ecological Systems, Closed -- Feces -- Humans -- Life Support Systems -- Sodium Chloride -- Soil Microbiology -- Triticum -- Urine -- Waste Management
Аннотация: Wheat was cultivated on soil-like substrate (SLS) produced by the action of worms and microflora from the inedible biomass of wheat. After the growth of the wheat crop, the inedible biomass was restored in SLS and exposed to decomposition ("biological" combustion) and its mineral compounds were assimilated by plants. Grain was returned to the SLS in the amount equivalent to human solid waste produced by consumption of the grain. Human wastes (urine and feces) after physicochemical processing turned into mineralized form (mineralized urine and mineralized feces) and entered the plants' nutrient solution amounts equal to average daily production. Periodically (once every 60-70 days) the nutrient solution was partly (up to 50%) desalinated by electrodialysis. Due to this NaCl concentration in the nutrient solution was sustained at a fixed level of about 0.26%. The salt concentrate obtained could be used in the human nutrition through NaCl extraction and the residuary elements were returned through the mineralized human liquid wastes into matter turnover. The control wheat cultivation was carried out on peat with use of the Knop nutrient solution. Serial cultivation of several wheat vegetations within 280 days was conducted during the experiment. Grain output varied and yield/harvest depended, in large part, upon the amount of inedible biomass returned to SLS and the speed of its decomposition. After achieving a stationary regime, (when the quantity of wheat inedible biomass utilized during vegetation in SLS is equal to the quantity of biomass introduced into SLS before vegetation) grain harvest in comparison with the control was at most 30% less, and in some cases was comparable to the control harvest values. The investigations carried out on the wheat example demonstrated in principle the possibility of long-term functioning of the LSS photosynthesizing link based on optimizations of biological and physicochemical methods of utilization of the human and plants wastes. The possibilities for the use of these technologies for the creation integrated biological-physicochemical LSS with high closure degree of internal matter turnover are discussed in this paper. В© 2005 Published by Elsevier Ltd on behalf of COSPAR.

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

Доп.точки доступа:
Zolotukhin, I.G.; Tikhomirov, A.A.; Kudenko, Yu.A.; Gribovskaya, I.V.

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12.

Host-parasite interactions in closed and open microbial cultivation system / T. I. Pisman, N. S. Pechurkin // Advances in Space Research. - 2008. - Vol. 41, Is. 5. - P773-776, DOI 10.1016/j.asr.2007.03.076 . - ISSN 0273-1177
Кл.слова (ненормированные):
Bacterium -- Coevolution -- Continuous and batch culture -- Phage -- Cultivation -- Cytology -- Nutrients -- Soils -- Continuous and batch culture -- Parasite interactions -- Bacteriophages
Аннотация: The study addresses interaction of bacteria and phages in the host-parasite system in batch and continuous cultures. The study system consists of the auxotrophic strain of Brevibacterium - Brevibacterium sp. 22L - and the bacteriophage of Brevibacterium sp., isolated from the soil by the enrichment method.1.Closed system. In the investigation of the relationship between the time of bacterial lysis and multiplicity of phage infection it has been found that at a lower phage amount per cell it takes a longer time for the lysis of the culture to become discernible. Another important factor determining cytolysis in liquid medium is the physiological state of bacterial population. Specific growth rate of bacteria at the moment of phage infection has been chosen as an indicator of the physiological state of bacteria. It has been shown that the shortest latent period and the largest output of the phage are observed during the logarithmic growth phase of bacteria grown under favorable nutrient conditions. In the stationary phase, bacterial cells become "a bad host" for the phage, whose reproduction rate decreases, and the lysis either slows down significantly or does not occur at all.2.Open system. It has been found that in continuous culture, the components of the host-parasite system can coexist over a long period of time. After phage infection, the sizes of the both populations vary for some time and then the density of the host population reaches the level close to that of the uninfected culture. The phage population copies the variations in the density of the host population, but in antiphase. It has been proven that the bacterium becomes resistant to the phage rather soon. It has been supposed that primary resistance is of physiological origin, because the percentage of cells that have survived lysis - about 0.2% of the initial bacterial population - is too high for phage-resistant mutants. Bacteria and phages cultured over extended periods of time in the host-parasite system have been found to co-evolve. The stressful effect of the phage causes development of bacteria resistant to this phage, then a mutant phage capable of lysing these bacteria evolves, etc. В© 2007 COSPAR.

Scopus
Держатели документа:
Institute of Biophysics SB RAS, 660036 Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pisman, T.I.; Pechurkin, N.S.

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13.

Increase of atmospheric CO2: Response patterns on a simple terrestrial man-made ecosystem / L. A. Somova, N. S. Pechurkin, T. I. Pisman // Advances in Space Research. - 2003. - Vol. 31, Is. 7. - P1731-1735, DOI 10.1016/S0273-1177(03)80019-4 . - ISSN 0273-1177
Кл.слова (ненормированные):
Carbon dioxide -- Earth atmosphere -- Ecosystems -- Environmental impact -- Mathematical models -- Microorganisms -- Plants (botany) -- Soils -- Man-made ecosystems -- Space research -- biosphere -- carbon dioxide enrichment -- terrestrial ecosystem -- carbon dioxide -- nitrogen -- phosphorus -- article -- atmosphere -- biological model -- chemistry -- dose response -- drug effect -- ecosystem -- growth, development and aging -- metabolism -- microbiology -- microclimate -- plant root -- wheat -- Atmosphere -- Carbon Dioxide -- Dose-Response Relationship, Drug -- Ecosystem -- Environment, Controlled -- Models, Biological -- Nitrogen -- Phosphorus -- Plant Roots -- Soil Microbiology -- Triticum
Аннотация: Simple models of terrestrial ecosystems with a limited number of components are an efficient tool to study the main laws of functioning of populations, including microbial ones, and their communities, as components of natural ecosystems, under variable environmental conditions. Among other factors are the increase of carbon dioxide in the atmosphere and limitation of plants' growth by biogenic elements. The main types of ecosystems' responses to changes in environmental conditions (a change in CO2 concentration) have been demonstrated in a "plants - rhizospheric microorganisms - artificial soil" simple experimental system. The mathematical model of interactions between plants and microorganisms under normal and elevated atmospheric CO2 and limitation by nutrients (nitrogen and phosphorus) yielded a qualitative agreement between calculated and experimental values of limiting substances concentrations and release rates of exudates. В© 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Somova, L.A.; Pechurkin, N.S.; Pisman, T.I.

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14.

Functional, regulatory and indicator features of microorganisms in man-made ecosystems / L. A. Somova, N. S. Pechurkin // Advances in Space Research. - 2001. - Vol. 27, Is. 9. - P1563-1570, DOI 10.1016/S0273-1177(01)00247-2 . - ISSN 0273-1177
Кл.слова (ненормированные):
Biomass -- Carbon dioxide -- Ecosystems -- Life support systems (spacecraft) -- Photosynthesis -- Sewage treatment -- Soils -- Human microfloras -- Microorganisms -- carbon -- carbon dioxide -- artificial ecosystem -- article -- biomass -- bioreactor -- ecosystem -- human -- intestine -- metabolism -- microbiology -- microclimate -- plant root -- sewage -- wheat -- Biomass -- Bioreactors -- Carbon -- Carbon Dioxide -- Ecological Systems, Closed -- Ecosystem -- Environmental Microbiology -- Humans -- Intestines -- Life Support Systems -- Plant Roots -- Sewage -- Triticum -- Waste Disposal, Fluid
Аннотация: Functional, regulatory and indicator features of microorganisms in development and functioning of the systems and sustaining stability of three man-made ecosystem types has been studied. 1) The functional (metabolic) feature was studied in aquatic ecosystems of biological treatment of sewage waters for the reducer component. 2) The regulatory feature of bacteria for plants (producer component) was studied in simple terrestrial systems "wheat plants-rhizospheric microorganisms - artificial soil" where the behavior of the system varied with activity of the microbial component. For example with atmospheric carbon dioxide content elevated microbes promote intensification of photosynthesis processes, without binding the carbon in the plant biomass. 3) The indicator feature for the humans (consumer component) was studied in Life Support Systems (LSS). High sensitivity of human microflora to system conditions allowed its use as an indicator of the state of both system components and the entire ecosystem. В© 2001 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

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

Доп.точки доступа:
Somova, L.A.; Pechurkin, N.S.

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15.

Microbial degradation of polyhydroxyalkanoates in tropical soils / A. N. Boyandin [et al.] // Int. Biodeterior. Biodegrad. - 2013. - Vol. 83. - P77-84, DOI 10.1016/j.ibiod.2013.04.014. - Cited References: 74. - This study was financially supported by Project "Biotechnologies of novel biomaterials" (Agreement No. 11.G34.31.0013) in accordance with Resolution No. 220 of the Government of the Russian Federation of April 9, 2010, "On measures designed to attract leading scientists to the Russian institutions of higher learning". . - 8. - ISSN 0964-8305

РУБ Biotechnology & Applied Microbiology + Environmental Sciences
Рубрики:
POLY-BETA-HYDROXYBUTYRATE
   CHAIN-LENGTH POLYHYDROXYALKANOATES
   POLY(3-HYDROXYBUTYRATE) DEPOLYMERASE
   COASTAL WATERS
   PHA FILMS
   BIODEGRADATION
   BACTERIA
   IDENTIFICATION
   POLYESTERS
   POLY(3-HYDROXYBUTYRATE-CO-3-HYDROXYVALERATE)
Кл.слова (ненормированные):
Polyhydroxyalkanoates (PHAs) -- Biopolymers -- Biopolymer properties -- Soil biodegradation -- PHA degrading microorganisms
Аннотация: The integrated study addressing biodegradation of microbial linear polyesters of hydroxyalkanoic acids (polyhydroxyalkanoates, PHAs) in tropical conditions by microbial communities of Vietnamese soils was performed in locations close to Hanoi and Nha Trang, which differed in their weather conditions and microbial communities. It shows that PHA degradation in tropical soils is influenced by polymer chemical composition, specimen shape, and microbial characteristics. The homopolymer of 3-hydroxybutyric acid is degraded at higher rates than the copolymer of 3-hydroxybutyric and 3-hydroxyvaleric acids. The average rates of mass loss were 0.04-0.33% per day for films and 0.02-0.18% for compact pellets. PHA degradation was accompanied by a decrease in the polymer molecular mass and, usually, an increase in the degree of crystallinity, suggesting preferential degradation of the amorphous phase. Under the study conditions, representatives of the bacterial genera Burkholderia, Bacillus, Cupriavidus, Mycobacterium, and Nocardiopsis and such micromycetes as Acremonium, Gongronella, Paecilomyces, and Penicillium, Trichoderma have been identified as major PHA degraders. (C) 2013 Elsevier Ltd. All rights reserved.

Держатели документа:
[Boyandin, Anatoly N.
Volova, Tatiana G.
Gitelson, Iosif I.] Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk, Russia
[Prudnikova, Svetlana V.
Volova, Tatiana G.] Siberian Fed Univ, Krasnoyarsk, Russia
[Karpov, Valery A.] Russian Acad Sci, AN Severtsov Inst Ecol & Evolut, Moscow, Russia
[Ivonin, Vladimir N.
Ngoc Lanh Do
Thi Hoai Nguyen
Thi My Hiep Le
Filichev, Nikolay L.
Levin, Alexander L.] Joint Russian Vietnam Trop Res & Test Ctr, Hanoi, Vietnam
[Filipenko, Maxim L.] Russian Acad Sci, Siberian Branch, Inst Chem Biol & Fundamental Med, Novosibirsk, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Boyandin, A.N.; Prudnikova, S.V.; Karpov, V.A.; Ivonin, V.N.; Do, N.L.; Nguyen, T.H.; Le, TMH; Filichev, N.L.; Levin, A.L.; Filipenko, M.L.; Volova, T.G.; Gitelson, I.I.

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16.

HOT PARTICLES IN THE FLOODPLAIN OF THE YENISEI RIVER [Text] / A. . Bolsunovsky ; ed.: DH Oughton, Oughton, // RADIOACTIVE PARTICLES IN THE ENVIRONMENT. Ser. NATO Science for Peace and Security Series C - Environmental Security : SPRINGER, 2009. - NATO Advanced Research Workshop on Hot Particles Released from Different Nuclear Sources (MAY 07-10, 2007, Yalta, UKRAINE). - P111-121, DOI 10.1007/978-90-481-2949-2_6. - Cited References: 8 . - 11. - ISBN 1871-4668. - ISBN 978-90-481-2947-8

РУБ Environmental Sciences
Рубрики:
RADIONUCLIDES
RUSSIA
Кл.слова (ненормированные):
hot particles -- Yenisei River -- floodplain soils and sediments -- plutonium complex -- cesium and plutonium isotopes -- (241)Am -- dating of particles
Аннотация: The purpose of this study was to investigate radionuclide composition of the hot particles found in the floodplain of the Yenisei River and to discuss their possible Sources. Since 1995, researchers of the Institute of Biophysics have found a considerable number of hot particles that contain up to 29,000 kBq/particle of (137)Cs in the Yenisei River floodplain. Investigations of the particles in Krasnoyarsk, Moscow, and Novosibirsk have confirmed their reactor origin and made it possible to roughly estimate their age. Based oil comparative analysis of (137)Cs/(134)Cs ratios, all the particles can be divided into two or three major groups, suggesting that over the 50-year period of the MCC operation, there have been two or three emergency situations at the MCC reactors, with nuclear fuel microparticles released into the Yenisei. Microparticles containing up to 36 Bq/particle of (241)Am were detected in soil and sediment samples collected at the Yenisei River. In some of these particles the (137)Cs/(241)Am ratio is high but in the others - low. It remains unknown how these particles have been formed. However, these microparticles Occur in floodplain soils and sediments very frequently and, thus, can be considered to be the main form in which radionuclides are present in the Yenisei River floodplain. The presence of a large number of hot particles of different origin in the floodplain of the Yenisei River from the MCC production area down to the town of Yeniseisk (and, probably, farther downstream) is a source of potential health hazard to people.

Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Bolsunovsky, A...; Oughton, DH \ed.\; Oughton, \ed.\

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17.

Seasonal dependence of the spectral brightness of agricultural crops on plant chlorophyll content and physiological parameters [Text] / A. F. Sid'ko, A. P. Shevyrnogov // Earth Observ. Remote Sens. - 2000. - Vol. 16, Is. 3. - P487-500. - Cited References: 18 . - 14. - ISSN 1024-5251

РУБ Geography, Physical + Geosciences, Multidisciplinary + Remote Sensing + Imaging Science & Photographic Technology

Аннотация: The paper analyses the results of multi-year studies of the state of agricultural crops based on plant reflectance during the growth period. A universal methodology for determining the physiological state, and plant phytopigment content from the value of the chlorophyll potential S(t) in the region of the red absorption band lambda = 680 nm, which can be determined from the SEC values, is presented. It is shown that addition of mineral fertilisers (and, in particular, nitrogen) to soils, in on average 10 days slows the process of chlorophyll breakdown in phytocoenoses in comparison with control areas.

Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Div, Krasnoyarsk, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sid'ko, A.F.; Shevyrnogov, A.P.

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18.

Two new types of bioluminescent systems of soil enchytraeids (Annelida:Clitellata:Oligochaeta:Enchytraeidae) / V. N. Petushkov, N. S. Rodionova // Doklady Akademii Nauk. - 2005. - Vol. 401, Is. 2. - С. 263-266 . - ISSN 0869-5652
Кл.слова (ненормированные):
Analysis -- Luminescence -- Models -- Soils -- Bioluminescent systems -- Oligochaeta earth-worm -- Biology
Аннотация: For the first time comparative data on localization, structural-functional organization, optimal functioning conditions for two bioluminescent systems of soil enchytraeids Fridericia heliota and Henlea sp. are given. Strong difference of these systems from each other and from all known among Oligochaeta class is shown. The analysis allows stating the discovery of two new systems of bioluminescent systems of enchytraeids, and accounting peroxide-dependent system of Diplocardia longa megascolecid, establishing multiplicity of luminescent mechanisms for Oligochaeta earth-worm.

Scopus
Держатели документа:
Inst. Biofiziki SO RAN, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Petushkov, V.N.; Rodionova, N.S.

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19.

Content of metals in compartments of ecosystem of a Siberian pond [Text] / M. I. Gladyshev [et al.] // Arch. Environ. Contam. Toxicol. - 2001. - Vol. 41, Is. 2. - P. 157-162. - Cited References: 26 . - ISSN 0090-4341

РУБ Environmental Sciences + Toxicology
Рубрики:
CHIRONOMUS-RIPARIUS MEIGEN
   NELSON RIVER SYSTEM
   AQUATIC MACROPHYTES
   LARVAE DIPTERA
   HEAVY-METAL
   COPPER
   LEAD
   SEDIMENTS
   CADMIUM
   MANITOBA
Аннотация: During three field seasons (June-September) of 1997-99 contents of Na, K, Ca, Mg, Fe, Mn, Zn, Cu, Al, Cr, Ni, Cd, and Pb were determined in compartments of ecosystem (surrounding soils, bottom sediments, water, zoobenthos, macrophytes, and fish) of a fish and recreation pond situated at the edge of Krasnoyarsk City (Siberia, Russia). Contents of most parts of metals in soils, water, and macrophytes significantly correlated with each other. As concluded, their contents were determined by natural, general, geochemical peculiarities of the region. Heavy metals, contents of which were higher than federal upper limits of concentration, were revealed. In muscles of fish with different feeding spectra-crucian and perch-concentrations of some metals differed significantly; correlation graphs for metals also had different structures. Comparison of our data with those on diverse aquatic ecosystems of Siberia, Europe, North America, and China published in the last decade was carried out. It was concluded that a distribution of heavy metals in the compartments of an aquatic ecosystem presently have to be determined for each particular water body until general regularities are discovered.

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
Krasnoyarsk State Agr Univ, Krasnoyarsk 660049, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660042, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gladyshev, M.I.; Gribovskaya, I.V.; Moskvicheva, A.V.; Muchkina, E.Y.; Chuprov, S.M.; Ivanova, E.A.

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20.

Quantitative description of vertical organic matter distribution in real soil profiles by means a simple continuous model / S. I. Bartsev, A. A. Pochekutov // Ecol. Model. - 2017. - Vol. 360. - P219-222, DOI 10.1016/j.ecolmodel.2017.06.016 . - ISSN 0304-3800
Кл.слова (ненормированные):
Continuous model of soil -- Soil organic matter -- Soil profile -- Vertical soil organic matter distribution -- Biogeochemistry -- Biological materials -- Decay (organic) -- Organic compounds -- Continuous modeling -- Different soils -- Partial decomposition -- Quantitative correspondence -- Quantitative description -- Soil organic matters -- Soil profiles -- Vertical distributions -- Soils
Аннотация: Previously we have proposed a continuous model of soil organic matter (SOM) transformation which was based on describing only the most general notions of this process – a gradual increase in SOM stability toward transformation, occurring concurrently with partial decomposition of SOM. The model provided qualitative description of vertical SOM distributions in different soils. In the present study this model has been modified to make the description more realistic. The study demonstrates quantitative correspondence between the calculated and averaged observed vertical distributions of SOM for different biomes. © 2017 Elsevier B.V.

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Смотреть статью,
WOS
Держатели документа:
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Krasnoyarsk, Russian Federation
Institute of Fundamental Biology and Biotechnology of Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Bartsev, S. I.; Pochekutov, A. A.

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