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1.


   
    Vertical stratification of physical, chemical and biological components in two saline lakes Shira and Shunet (South Siberia, Russia) / A. G. Degermendzhy [et al.] // Aquatic Ecology. - 2010. - Vol. 44, Is. 3. - P619-632, DOI 10.1007/s10452-010-9336-6 . - ISSN 1386-2588
Кл.слова (ненормированные):
Ciliates -- Cryptomonas -- Fishless lakes -- Gammarus -- Mathematical modelling -- Meromictic lakes -- Phytoplankton -- Stratification -- Sulphur bacteria -- amphipod -- bacterium -- biomass -- ciliate -- ecosystem modeling -- flagellate -- meromictic lake -- microbial community -- numerical model -- physicochemical property -- phytoplankton -- population density -- saline lake -- salinity -- stratification -- thermocline -- trophic interaction -- vertical profile -- zooplankton -- Khakassia -- Lake Shira -- Lake Shunet -- Russian Federation -- Siberia -- Amphipoda -- Bacteria (microorganisms) -- Ciliophora -- Copepoda -- Cryptomonas -- Cryptomonas sp. -- Gammaridae -- Gammarus -- Gammarus lacustris -- Phytomastigophorea -- Protista -- Rotifera
Аннотация: A feature of meromictic lakes is that several physicochemical and biological gradients affect the vertical distribution of different organisms. The vertical stratification of physical, chemical and biological components in saline, fishless meromictic lakes Shira and Shunet (Siberia, Russia) is quite different mainly because both mean depth and maximum depth of lakes differ as well as their salinity levels differ. The chemocline of the Lake Shira, as in many meromictic lakes, is inhabited by bacterial community consisting of purple sulphur and heterotrophic bacteria. As the depth of the chemocline is variable, the bacterial community does not attain high densities. The mixolimnion in Lake Shira, which is thermally stratified in summer, also creates different habitat for various species. The distribution of phytoplankton is non-uniform with its biomass peak in the metalimnion. The distribution of zooplankton is also heterogeneous with rotifers and juvenile copepods inhabiting the warmer epilimnion and older copepods found in the cold but oxic hypolimnion. The amphipod Gammarus lacustris which can be assigned to the higher trophic link in the fishless lake's ecosystem, such as Lake Shira, is also distributed non-uniformly, with its peak density generally observed in the thermocline region. The chemocline in Lake Shunet is located at the depth of 5 m, and unlike in Lake Shira, due to a sharp salinity gradient between the mixolimnion and monimolimnion, this depth is very stable. The mixolimnion in Lake Shunet is relatively shallow and the chemocline is inhabited by (1) an extremely dense bacterial community; (2) a population of Cryptomonas sp.; and (3) ciliate community comprising several species. As the mixolimnion of Lake Shunet is not thermally stratified for long period, the phytoplankton and zooplankton populations are not vertically stratified. The gammarids, however, tend to concentrate in a narrow layer located 1-2 m above the chemocline. We believe that in addition to vertical inhomogeneities of both physicochemical parameters, biological and physical factors also play a role in maintaining these inhomogeneities. We conclude that the stratified distributions of the major food web components will have several implications for ecosystem structure and dynamics. Trophic interactions as well as mass and energy flows can be significantly impacted by such heterogeneous distributions. Species spatially separated even by relatively short distances, say a few centimetres will not directly compete. Importantly, we demonstrate that not only bacteria, phytoflagellates and ciliate tend to concentrate in thin layers but also larger-sized species such Gammarus (amphipods) can also under certain environmental conditions have stratified distribution with maxima in relatively thin layer. As the vertical structure of the lake ecosystem is rather complex in such stratified lakes as ours, the strategy of research, including sampling techniques, should consider potentially variable and non-homogeneous distributions. В© 2010 The Author(s).

Scopus
Держатели документа:
Institute of Biophysics SB RAS, 660036 Krasnoyarsk, Akademgorodok, Russian Federation
Siberian Federal University, Svobodnyi 79, 660041 Krasnoyarsk, Russian Federation
Netherlands Environmental Assessment Agency (PBL), P.O. Box 303, 3720 AH Bilthoven, Netherlands
Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), 3631 AC Nieuwersluis, Netherlands : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Degermendzhy, A.G.; Zadereev, E.S.; Rogozin, D.Y.; Prokopkin, I.G.; Barkhatov, Y.V.; Tolomeev, A.P.; Khromechek, E.B.; Janse, J.H.; Mooij, W.M.; Gulati, R.D.

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2.


   
    Is the fatty acid composition of freshwater zoobenthic invertebrates controlled by phylogenetic or trophic factors? / O. N. Makhutova [et al.] // Lipids. - 2011. - Vol. 46, Is. 8. - P709-721, DOI 10.1007/s11745-011-3566-9 . - ISSN 0024-4201
Кл.слова (ненормированные):
Benthic invertebrates -- Feeding strategy -- Fish -- Phylogeny -- Polyunsaturated fatty acids -- arachidonic acid -- docosahexaenoic acid -- icosapentaenoic acid -- article -- controlled study -- Dendrocoelopsis -- Eulimnogammarus viridis -- fatty acid analysis -- feeding behavior -- freshwater fish -- habitat -- lipid composition -- nonhuman -- nutritional value -- phylogeny -- species differentiation -- taxonomy -- Animals -- Environment -- Fatty Acids -- Fresh Water -- Humans -- Invertebrates -- Phylogeny -- Ara -- Crustacea -- Dendrocoelopsis -- Eulimnogammarus viridis -- Invertebrata -- Turbellaria
Аннотация: We studied the fatty acid (FA) content and composition of ten zoobenthic species of several taxonomic groups from different freshwater bodies. Special attention was paid to essential polyunsaturated fatty acids, eicosapentaenoic acid (EPA, 20:5n-3), docosahexaenoic acid (DHA, 22:6n-3), and arachidonic acid (ARA, 20:4n-6); and the n-3/n-6 and DHA/ARA ratios, which are important for consumers of higher trophic levels, i.e., fish. The content and ratios of these FA varied significantly in the studied zoobenthic species, consequently, the invertebrates were of different nutritional quality for fish. Eulimnogammarus viridis (Crustacea) and Dendrocoelopsis sp. (Turbellaria) had the highest nutrition value for fish concerning the content of EPA and DHA and n-3/n-6 and DHA/ARA ratios. Using canonical correspondence analysis we compared the FA profiles of species of the studied taxa taking into account their feeding strategies and habitats. We gained evidence that feeding strategy is of importance to determine fatty acid profiles of zoobenthic species. However, the phylogenetic position of the zoobenthic species is also responsible and may result in a similar fatty acid composition even if species or populations inhabit different water bodies or have different feeding strategies. В© 2011 AOCS.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch of the Russian Academy of Science, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Svobodny av 79, Krasnoyarsk 660041, Russian Federation
Institute for Biology of Inland Waters of the Russian Academy of Science, Borok 152742, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

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

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3.


   
    Water moss as a food item of the zoobenthos in the Yenisei River / G. S. Kalachova [et al.] // Central European Journal of Biology. - 2011. - Vol. 6, Is. 2. - P236-245, DOI 10.2478/s11535-010-0115-0 . - ISSN 1895-104X
Кл.слова (ненормированные):
Acetylenic fatty acids -- Bryophytes -- Fontinalis -- Gammarids -- Stable isotope analysis -- Trichopterans -- Animalia -- Bryophyta -- bryophytes -- Chironomidae -- Ephemeroptera -- Eulimnogammarus viridis -- Fontinalis -- Fontinalis antipyretica -- Gammaridae -- Invertebrata -- Trichoptera
Аннотация: Bryophytes are abundant in streams and are a habitat for many invertebrates, but their contribution to the diet of fluvial zoobenthos is still debated. To estimate the amount of bryophyte-derived organic matter assimilated by benthic invertebrates, we used a combination of fatty acid and stable isotope analyses during a four-year monthly study of a littoral site in the Yenisei River (Siberia, Russia). Acetylenic acids, which are highly specific biomarkers of the water moss Fontinalis antipyretica, were found in lipids of all dominant benthic animals: gammarids, ephemeropterans, chironomids and trichopterans. The dominant zoobenthic species, Eulimnogammarus viridis, had maximum levels of the biomarkers in its biomass during winter, and minimum levels in summer. The zoobenthos in the studied site regularly consume and assimilate bryophyte-derived organic matter as a minor supplemental food. This consumption increases in winter, when the main food source of the zoobenthos, epilithic biofilms, are probably scarce. В© 2010 Versita Warsaw and Springer-Verlag Wien.

Scopus
Держатели документа:
Institute of Biophysics of Siberian Branch of the Russian Academy of Science, 660036 Krasnoyarsk, Russian Federation
Siberian Federal University, 660041 Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

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

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4.


   
    Small lake plankton and its essential polyunsaturated fatty acids content as affected by a colony of the common heron (Ardea cinerea L.) / A. V. Krylov [et al.] // Contemporary Problems of Ecology. - 2011. - Vol. 4, Is. 1. - P42-49, DOI 10.1134/S1995425511010073 . - ISSN 1995-4255
Кл.слова (ненормированные):
Essential polyunsaturated fatty acids -- Heron -- Plankton community -- Shallow lake -- anthropogenic effect -- colony structure -- community structure -- detritus -- diatom -- eutrophication -- fatty acid -- habitat type -- lake -- nutrition -- seston -- wader -- zooplankton -- Ardea cinerea -- Aves -- Bacillariophyta
Аннотация: It is shown that in the area inhabited by a colony of the common heron in a high-trophic shallow lake a number of structure parameters of plankton undergoes changes similar to those observed at anthropogenic eutrophication and indicating an increase in biogenic and organic load. At the same time a number of changes is revealed that are usually not registered when human influence increases. The composition and content of polyunsaturated fatty acids in seston and zooplankton show that diatoms and detritus of land genesis play relatively smaller role in the zooplankton nutrition in the lake area influenced by the birds. The zooplankton developing in this zone is a better food rich in essential docosahexaenoic acid necessary for the growth and development of the fish. В© 2011 Pleiades Publishing, Ltd.

Scopus
Держатели документа:
Papanin Institute of Biology of Inner Waters, Russian Academy of Sciences, Borok, Yaroslavl oblast 152742, Russian Federation
Institute of Biophysics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, pr. Svobodnyi 79, Krasnoyarsk 660041, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Krylov, A.V.; Gladyshev, M.I.; Kosolapov, D.B.; Sushchik, N.N.; Korneva, L.G.; Makhutova, O.N.; Kulakov, D.V.; Kalacheva, G.S.; Dubovskaya, O.P.

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5.


   
    Specific Characteristics of Rhodiola rosea Growth and Development under the Photoculture Conditions / N. P. Kovaleva, A. A. Tikhomirov, V. A. Dolgushev // Russian Journal of Plant Physiology. - 2003. - Vol. 50, Is. 4. - P527-531, DOI 10.1023/A:1024781025696 . - ISSN 1021-4437
Кл.слова (ненормированные):
Photoculture -- Plant growth and development -- Rhodiola rosea -- Salidroside -- Crassulaceae -- Rhodiola -- Rhodiola rosea
Аннотация: Growth and development of Rhodiola rosea L. plants (the family Crassulaceae) were compared in their natural habitat, field stands, and in photoculture. By the indices of growth and development, plants grown for 135-137 days under the intensive photoculture were shown to exceed the 3-year-old plants developed in the natural habitats and 1-1.5-year-old plants grown in the field stands. Under the photoculture, 35% of all the plants under study started flowering at the day 75-77 after seed germination. The content of salidroside in the rhizomes of the 135-137-day-old plants was 0.4-0.6% per dry weight. Following photoculturing for 245 days, rhizome weight increased 4. 5-fold as compared to the 135-137-day-old plants, and the salidroside concentration reached 1.2%, the level corresponding to the maximum content of this glycoside in the plants growing in their natural habitat and exceeding by 1.5-3 times the levels observed in the plants grown in the field stands. Under the photoculture conditions, plants of R. rosea were shown to grow without the dormancy period. Several factors apparently raised the salidroside concentration in the 245-day-old plants under the photoculture conditions, including enhanced growth, absence of the dormancy period and the period of lowered temperatures; as a whole, these factors promoted the detoxification, storage, and/or transport of the primary metabolic products.

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

Доп.точки доступа:
Kovaleva, N.P.; Tikhomirov, A.A.; Dolgushev, V.A.

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6.


   
    Opportunities and constraints of closed man-made ecological systems on the moon / V. Blum [et al.] // Advances in Space Research. - 1994. - Vol. 14, Is. 6. - P271-280 . - ISSN 0273-1177
Аннотация: Most scenarios for a manned lunar base include a combination of physical-chemical and bioregenerative life support systems. Especially on the lunar surface, however, there is a series of special environmental factors which seriously affect the organisms suitable for food production and biological regeneration of the habitat atmosphere and water. So, e.g. the lunar day/night period creates difficult problems for higher plant culture. The paper presents the current scientific approaches to bioregenerative life support systems of a lunar base and discusses critically the possibilities of their realization. Moreover, a scientific strategy is developed with the biologist's point of view to implement in a stepwise manner bioregenerative life support modules into a lunar base covering the possibilities of the untilization of chemolytotrophic bacteria, microalgae and higher plants as well as those of animal breeding and protein production in intensive aquaculture systems. В© 1994.

Scopus
Держатели документа:
Institute of Biophysics, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
German Aerospace Establishment, Cologne-Porz, Germany
Comparative Endocrinology Research Section, Ruhr-University, Bochum, Germany : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Blum, V.; Gitelson, J.I.; Horneck, G.; Kreuzberg, K.

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7.


   
    Management and control of microbial populations' development in LSS of missions of different durations / L. A. Somova, N. S. Pechurkin // Advances in Space Research. - 2005. - Vol. 35, Is. 9 SPEC. ISS. - P1621-1625, DOI 10.1016/j.asr.2004.12.046 . - ISSN 0273-1177
Кл.слова (ненормированные):
Long-term missions -- LSS -- Macro- and microorganism -- Microbial populations -- Ecosystems -- Population statistics -- Probability -- Recycling -- Life support systems (LSS) -- Long-term mission -- Macro-and microorganism -- Microbial populations -- Microorganisms -- aerospace medicine -- bioreactor -- bioremediation -- Chlorella -- conference paper -- drug resistance -- human -- hygiene -- immune system -- instrumentation -- methodology -- microbiology -- microclimate -- physiology -- space flight -- waste management -- weightlessness -- Aerospace Medicine -- Biodegradation, Environmental -- Bioreactors -- Chlorella -- Drug Resistance -- Ecological Systems, Closed -- Environmental Microbiology -- Humans -- Hygiene -- Immune System -- Life Support Systems -- Space Flight -- Waste Management -- Weightlessness
Аннотация: The problem of interaction between man and microorganisms in closed habitats is an inextricable part of the whole problem of co-existence between macro- and microorganisms. Concerning the support of human life in closed habitat, we can, conventionally, divide microorganisms, acting in life support system (LSS) into three groups: useful, neutral and harmful. The tasks, for human beings for optimal coexistence with microhabitants seem to be trivial: (1) to increase the activity of useful forms, (2) decrease the activity harmful forms, (3) not allow the neutral forms to become the harmful ones and even to help them to gain useful activity. The task of efficient management and control of microbial population's development in LSS highly depends on mission duration. As for short-term missions without recycling, the proper hygienic procedures are developed. For longer missions, the probability of transformation of the neutral forms into the harmful ones is becoming more dangerous. The LSS for long-term missions are to use cycling-recycling systems, including system with biological recycling. In these systems, microbial populations as regenerative link should be useful and active agents. Some problems of microbial populations control and management are discussed in the paper. В© 2005 COSPAR. Published by Elsevier Ltd. All rights reserved.

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

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

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8.


   
    The role of volatile metabolites in microbial communities of the LSS higher plant link / L. S. Tirranen, I. I. Gitelson // Advances in Space Research. - 2006. - Vol. 38, Is. 6. - P1227-1232, DOI 10.1016/j.asr.2006.02.038 . - ISSN 0273-1177
Кл.слова (ненормированные):
Inhibiting, bactericidal, stimulating effect -- Microbial interaction -- Type of interaction -- Volatile and non-volatile metabolites -- Growth kinetics -- Microbiology -- Microorganisms -- Plants (botany) -- Sensitivity analysis -- Toxic materials -- Inhibiting, bactericidal, stimulating effect -- Microbial interaction -- Type of interaction -- Volatile and non-volatile metabolites -- Metabolites
Аннотация: The paper addresses the possibility of controlling the microbial community composition through metabolites produced by microbes. The comparative analysis of experimental data has shown that volatile metabolites make a much greater contribution to the microbial interactions than nonvolatile ones. It has been found that interaction of microorganisms via the volatiles they release occurs frequently and is typical of a number of microorganisms. Volatile metabolites released by microorganisms produce an inhibitory, sometimes bactericidal, effect on the vital functions of bacteria. The stimulating action occurs 6-8 times less frequently. The range of action on the growth of the test cultures and the range of sensitivity to the effect of volatile metabolites of the study microbes have been found to be individual. Comparative cluster analysis of the ranges of action of 100 study cultures has shown that in the investigated set of microorganism species interaction was performed via a set of volatiles of an inhibiting action (82) and of a stimulating action (52). It has been found that release of volatile metabolites by the studied microorganisms depends upon the culture age, concentrations of components of the nutrient medium, and volatile by-products released by other microorganisms. This production can be increased or decreased by the action of volatile metabolites of other microbes. This is related to strain features and culture age. The prospects of using these regulating metabolites depend on the "range", specificity and safety for other members of the microbial community in insufficient concentrations. Volatiles produced by plants and microorganisms as well as by other components of the system - humans and processing equipment installed inside the closed ecosystem - could influence the formation not only of the microbial community but also of the gas composition of the system's atmosphere, through which they could affect the state of the plants. Specially performed experiments have shown that volatile metabolites of microorganisms can accumulate in their habitat, dissolve in the atmospheric water, and maintain their biological activity for days. It has been determined that volatile metabolites of some microorganisms are toxic for plants. Growth of seedling roots is inhibited more than growth of stems. В© 2006 COSPAR.

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

Доп.точки доступа:
Tirranen, L.S.; Gitelson, I.I.

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9.


   
    Redescription of Fridericia heliota (Annelida, Clitellata: Enchytraeidae), a luminous worm from the Siberian taiga, with a review of bioluminescence in the Oligochaeta / E. Rota [et al.] // Journal of Zoology. - 2003. - Vol. 260, Is. 3. - P291-299, DOI 10.1017/S0952836903003777 . - ISSN 0952-8369
Кл.слова (ненормированные):
Bioluminescence -- Enchytraeidae -- Fridericia heliota -- Siberian taiga -- Taxonomy -- annelid -- bioluminescence -- ecomorphology -- taxonomy -- Russian Federation -- Annelida -- Clitellata -- Enchytraeidae -- Hirudinea -- Invertebrata -- Oligochaeta (Metazoa)
Аннотация: The Siberian enchytraeid Fridericia heliota Zalesskaja, 1990 has so far been known only through a paper in Russian briefly describing its luminescence and the major external and internal morphological features. The present study expands that preliminary description, amending it as regards the chaetal formula, the clitellar pattern, the form of the nephridia and the occurrence of glands at the spermathecal orifices, and providing a more comprehensive taxonomic characterization of the species. More detailed information is also given on its habitat and geographical range as well as on its unusual luminous properties. In F. heliota, the production of light is confined to the body wall with a pattern corresponding to that of the epidermal gland cells, although it does not involve discharge of luminous mucus. This contrasts with observations on other enchytraeids and on the oligochaetes in general. Records of luminosity in the Oligochaeta are reviewed with comments.

Scopus
Держатели документа:
Dipartimento di Scienze Ambientali, Sezione Sist. Ecologia Anim. e Veg., Universita di Siena, Via P. A. Mattioli 4, IT-53100 Siena, Italy
Inst. Ecol./Evol. Prob. A. N. S., Russian Academy of Sciences, Leninskij Prosp. 33, Moscow B-71, 117071, Russian Federation
Laboratory of Photobiology, Institute of Biophysics, Russian Academy of Sciences, Krasnoyarsk-36, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Rota, E.; Zalesskaja, N.T.; Rodionova, N.S.; Petushkov, V.N.

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10.


   
    LUMINESCENT BACTERIAL SYMBIONTS AND COMMENSALS OF LUMINESCENT AND NONLUMINESCENT MARINE ANIMALS OF THE INDIAN-OCEAN [Text] / G. A. VYDRYAKOVA [et al.] // Microbiology. - 1995. - Vol. 64, Is. 5. - P. 589-592. - Cited References: 18 . - ISSN 0026-2617
РУБ Microbiology
Рубрики:
BIOLUMINESCENCE
   SEAWATER

Аннотация: Approximately 100 fish belonging to 24 families and several representatives of cephalopods, prawns, and euphausiids were investigated for the presence of luminescent bacteria. Species identification of isolated luminescent bacteria was performed, and the frequency and ratio of their occurrence in the gastrointestinal microflora of marine animals were determined. Luminescent bacteria occurred in 23 - 65% of the fish, depending on the habitat depth, and their ratio varied from 8 to 60% of the total gastrointestinal microflora of fish. The free-living luminescent bacteria were found in 50% of the seawater samples from depths down to 1000 m. The luminescent bacterium Photobacterium phosphoreum was dominant among the isolated cultures.

WOS : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
VYDRYAKOVA, G.A.; KUZNETSOV, A.M.; PRIMAKOVA, G.A.; CHUGAEVA, Y.V.; FISH, A.M.

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11.


   
    Prey-predator model with purposeful migration of individuals [Текст] / M. G. Sadovsky // Zhurnal Obshchei Biol. - 2001. - Vol. 62, Is. 3. - P. 239-245. - Cited References: 22 . - ISSN 0044-4596
РУБ Biology

Аннотация: Two species "prey-predator model" where the individuals purposefully migrate between two habitats is considered. A migration is regarded as transference from one habitat to another yielding in maximization of average (over two habitats) coefficient of reproduction. Targeted migration results in the increase in average abundance of population comparing with discrete analogies of classic equations of Volterra and also to the enlargement of the area of the admissible meanings of parameters. A great variety of dynamic regimes has been observed, some of them could be interpreted as outbreak explosion.

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

Доп.точки доступа:
Sadovsky, M.G.

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12.


   
    Redescription of Fridericia heliota (Annelida, Clitellata : Enchytraeidae), a luminous worm from the Siberian taiga, with a review of bioluminescence in the Oligochaeta [Text] / E. . Rota [et al.] // J. Zool. - 2003. - Vol. 260. - P. 291-299, DOI 10.1017/S0952836903003777. - Cited References: 45 . - ISSN 0952-8369
РУБ Zoology
Рубрики:
EARTHWORM BIOLUMINESCENCE
   SIMILARITIES

Кл.слова (ненормированные):
Fridericia heliota -- taxonomy -- Siberian taiga -- bioluminescence -- Enchytraeidae
Аннотация: The Siberian enchytraeid Fridericia heliota Zalesskaja, 1990 has so far been known only through a paper in Russian briefly describing its luminescence and the major external and internal morphological features. The present study expands that preliminary description, amending it as regards the chaetal formula, the clitellar pattern, the form of the nephridia and the occurrence of glands at the spermathecal orifices, and providing a more comprehensive taxonomic characterization of the species. More detailed information is also given on its habitat and geographical range as well as on its unusual luminous properties. In F heliota, the production of light is confined to the body wall with a pattern corresponding to that of the epidermal gland cells, although it does not involve discharge of luminous mucus. This contrasts with observations on other enchytraeids and on the oligochaetes in general. Records of luminosity in the Oligochaeta are reviewed with comments.

WOS
Держатели документа:
Univ Siena, Dipartimento Sci Ambientali, Sez Sistemat & Ecol Anim & Vegetale, IT-53100 Siena, Italy
Russian Acad Sci, Inst Ecol & Evolutionary Problems AN Severtsova, Moscow 117071, Russia
Russian Acad Sci, Inst Biophys, Lab Photobiol, Siberian Branch, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Rota, E...; Zalesskaja, N.T.; Rodionova, N.S.; Petushkov, V.N.

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13.


   
    Specific characteristics of Rhodiola rosea growth and development under the photoculture conditions [Text] / N. P. Kovaleva, A. A. Tikhomirov, V. A. Dolgushev // Russ. J. Plant Physiol. - 2003. - Vol. 50, Is. 4. - P. 527-531, DOI 10.1023/A:1024781025696. - Cited References: 19 . - ISSN 1021-4437
РУБ Plant Sciences

Кл.слова (ненормированные):
Rhodiola rosea -- plant growth and development -- photoculture -- salidroside
Аннотация: Growth and development of Rhodiola rosea L. plants (the family Crassulaceae) were compared in their natural habitat, field stands, and in photoculture. By the indices of growth and development, plants grown for 135-137 days under the intensive photoculture were shown to exceed the 3-year-old plants developed in the natural habitats and 1-1.5-year-old plants grown in the field stands. Under the photoculture, 35% of all the plants under study started flowering at the day 75-77 after seed germination. The content of salidroside in the rhizomes of the 135-137-day-old plants was 0.4-0.6% per dry weight. Following photoculturing for 245 days, rhizome weight increased 4.5-fold as compared to the 135-137-day-old plants, and the salidroside concentration reached 1.2%, the level corresponding to the maximum content of this glycoside in the plants growing in their natural habitat and exceeding by 1.5-3 times the levels observed in the plants grown in the field stands. Under the photoculture conditions, plants of R. rosea were shown to grow without the dormancy period. Several factors apparently raised the salidroside concentration in the 245-day-old plants under the photoculture conditions, including enhanced growth, absence of the dormancy period and the period of lowered temperatures; as a whole, these factors promoted the detoxification, storage, and/or transport of the primary metabolic products.

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

Доп.точки доступа:
Kovaleva, N.P.; Tikhomirov, A.A.; Dolgushev, V.A.

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14.


   
    Evolution and present status of experimental manned ecological systems for long-term human life support - Bios, developed by the institute of biophysics of Russian academy of sciences in Krasnoyarsk (Siberia) / J. I. Gitelson, A. G. Degermendzhy // Proceedings of the International Astronautical Congress, IAC : International Astronautical Federation, IAF, 2015. - Vol. 1: 66th International Astronautical Congress 2015: Space - The Gateway for Mankind's Future, IAC 2015 (12 October 2015 through 16 October 2015, ) Conference code: 122921. - P243-250
Кл.слова (ненормированные):
Arid regions -- Biochemistry -- Biospherics -- Plant shutdowns -- Proteins -- Reconfigurable hardware -- Closed ecological systems -- Corrective actions -- Essential proteins -- Extreme conditions -- Human intelligence -- Long-term experiments -- Physiological effects -- Russian Academy of Sciences -- Ecology
Аннотация: Closed ecological systems are of two-fold interest - as models of the Earth's biosphere explorable in experiments and as a facility for long-term autonomous human life support beyond the Earth. Theoretical analysis and experimental implementation of highly closed manned systems has been the subject of studies at the Institute of Biophysics (Russian Academy of Sciences, Siberian Branch) for many years. BIOS systems of increasing complexity with complete regeneration of atmosphere, water and partially food have been realized. In BIOS-3 experiments the system inhabited by 2-3 researchers for 4-6 months maintained its metabolic equilibrium without any negative physiological effect on the crew, which proves its sustainable condition. Specific for BIOS-3 is internal control by the people inhabiting the system. So, BIOS-3 is the first experimental implementation of V.l. Vernadsky's idea about the noosphere - habitable Biosphere controlled by human intelligence. Contrary to predictions of many environmentalists the closedness of the ecosystem is a factor that does not reduce, but increases its sustainability and makes its use for reliable life support outside the Earth realistic. The system is sustainable owing to permanent feedback between the monitoring of few key parameters of the system and automatic corrective actions on them. Main object of control is photo-biosynthesis regenerating parameters of human habitat disturbed by his vital activities. This principle has been realized in BIOS system and proved its reliability in long-term experiments. A new challenge is specified-optimal increase of trophic closedness of the system by reproduction within it essential proteins (peptides and amino acids), lipids, vitamins and other essential compounds. Alternative lines of attack on this problem by state-of-the-art biotechnological methods, GMO including, are under analysis. Reduced BIOS version - without complete closure - can be a breakthrough instrument to improve the quality of life of people living under extreme conditions on the Earth - in polar latitudes (Arctic, Antarctic), in deserts, in high mountains.

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

Доп.точки доступа:
Gitelson, J. I.; Degermendzhy, A. G.

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15.


   
    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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16.


   
    Nonspecific stress response to temperature increase in Gammarus lacustris Sars with respect to oxygen-limited thermal tolerance concept / K. Vereshchagina [et al.] // PeerJ. - 2018. - Vol. 6. - Ст. e5571, DOI 10.7717/peerj.5571. - Cited References:49. - The study was carried out with the main financial support of Russian Science Foundation grant 17-14-01063, with the partial financial support of Russian Foundation for Basic Research grants 16-34-00687, 16-34-60060, 17-34-50012, the base part of Goszadanie project 6.9654.2017/8.9, joint program of DAAD and Ministry of education and Science M. Lomonosov (6.12735.2018/12.2) and Lake Baikal Foundation (FOB_02-3/05). There was no additional external funding received for this study. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. . - ISSN 2167-8359
РУБ Multidisciplinary Sciences
Рубрики:
COPEPOD TIGRIOPUS-JAPONICUS
   SHUNET SOUTH SIBERIA

   HEAT-SHOCK PROTEINS

Кл.слова (ненормированные):
Gammarus lacustris -- Heat shock proteins 70 (HSP70) -- Nonspecific cellular -- stress-response (NCSR) -- Lactate dehydrogenase -- Diene conjugates -- Schiff -- bases -- Triene conjugates
Аннотация: The previously undescribed dynamics of the heat shock protein HSP70 and subsequent lipid peroxidation products have been assessed alongside lactate dehydrogenase activity for Gammarus lacustris Sars, an amphipod species from the saltwater Lake Shira (Republic of Khakassia). Individuals were exposed to a gradual temperature increase of 1 degrees C/hour (total exposure duration of 26 hours) starting from the mean annual temperature of their habitat (7 degrees C) up to 33 degrees C. A complex of biochemical reactions occurred when saltwater G. lactustris was exposed to the gradual changes in temperature. This was characterized by a decrease in lactate dehydrogenase activity and the launching of lipid peroxidation. The HSP70 level did not change significantly during the entire experiment. In agreement with the concept of oxygen-limited thermal tolerance, an accumulation of the most toxic lipid peroxides (triene conjugates and Schiff bases) in phospholipids occurred at the same time and temperature as the accumulation of lactate. The main criterion overriding the temperature threshold was, therefore, the transition to anaerobiosis, confirmed by the elevated lactate levels as observed in our previous associated study, and by the development of cellular stress, which was expressed by an accumulation of lipid peroxidation products. An earlier hypothesis, based on freshwater individuals of the same species, has been confirmed whereby the increased thermotolerance of G. lacustris from the saltwater lake was caused by differences in energy metabolism and energy supply of nonspecific cellular stress-response mechanisms. With the development of global climate change, these reactions could be advantageous for saltwater G. lacustris. The studied biochemical reactions can be used as biomarkers for the stress status of aquatic organisms when their habitat temperature changes.

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Держатели документа:
Irkutsk State Univ, Inst Biol, Irkutsk, Russia.
Baikal Res Ctr, Irkutsk, Russia.
Belarusian State Univ, Int Sakharov Environm Inst, Minsk, BELARUS.
SB RAS, Inst Biophys, Krasnoyarsk Res Ctr, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Vereshchagina, Kseniya; Kondrateva, Elizaveta; Axenov-Gribanov, Denis; Shatilina, Zhanna; Khomich, Andrey; Bedulina, Daria; Zadereev, Egor; Timofeyev, Maxim; Russian Science Foundation [17-14-01063]; Russian Foundation for Basic Research [16-34-00687, 16-34-60060, 17-34-50012]; Goszadanie project joint program of DAAD [6.9654.2017/8.9]; Ministry of education and Science M. Lomonosov [6.12735.2018/12.2]; Lake Baikal Foundation [FOB_02-3/05]

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17.


   
    High Resistance of Resting Eggs of Cladoceran Moina macrocopa to the Effect of Heavy Metals / N. Oskina [et al.] // Bull. Environ. Contam. Toxicol. - 2018, DOI 10.1007/s00128-018-2473-7 . - Article in press. - ISSN 0007-4861
Кл.слова (ненормированные):
Hatching success -- Heavy metals -- Life table parameters -- Resistance -- Resting eggs -- Copper -- Electric resistance -- Aquatic habitats -- Critical concentration -- Environmental pollutions -- Hatching success -- High resistance -- Lethal concentration -- Life table -- Resting eggs -- Heavy metals
Аннотация: The research aimed to determine critical concentrations of heavy metals at which survival of resting eggs of the cladoceran Moina macrocopa is negatively affected. Resting eggs’ viability was not affected over a 30-days exposure towards copper, cadmium, zinc or nickel at concentrations up to 60–70 g/L. When resting eggs were exposed to sediment contaminated with heavy metals for 8 months, the hatching success was affected at 30 g copper/kg. Thus, resting eggs of Cladocera can tolerate heavy metals at concentrations that far exceed lethal concentrations of heavy metals to active life stage and exceed low or moderate levels of environmental pollution. Follow up investigation of life table parameters of hatchlings from resting eggs exposed to heavy metals demonstrated that neither lifespan nor fecundity of hatchlings differ from control animals. These results demonstrate that zooplankton may rapidly recover from resting egg bank once aquatic habitat becomes unpolluted. © 2018, Springer Science+Business Media, LLC, part of Springer Nature.

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Держатели документа:
Institute of Biophysics, Federal Research Centre Krasnoyarsk Scientific Centre, Siberian Branch, Russian Academy of Sciences, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79 Svobodniy Ave, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Oskina, N.; Lopatina, T.; Anishchenko, O.; Zadereev, E.

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18.


   
    STOICHIOMETRIC COMPOSITION OF SESTON IN LITTORAL AND PELAGIAL ZONES OF SHALLOW LAKE OBSTERNO (BELARUS) / Z. F. Buseva [и др.] // Dokl. Nat. Akad. Nauk Belarusi. - 2018. - Vol. 62, Is. 3. - С. 304-310, DOI 10.29235/1561-8323-2018-62-3-304-310. - Cited References:15. - This work was partially supported by the BRFFR (grant No. (sic)17-037). We thank for the collaboration with Narach Biological Station of Belarusian State University and thank it's Director Dr. T. V. Zhukova, scientific and technological staff -E. I. Lapitskaja and E. A. Zhuravliova for their fruitfull help. . - ISSN 1561-8323. - ISSN 2524-2431
РУБ Multidisciplinary Sciences
Рубрики:
NUTRIENT LIMITATION
   PHOSPHORUS

   NITROGEN

   ZOOPLANKTON

   CARBON

   MARINE

Кл.слова (ненормированные):
seston -- carbon -- nitrogen -- phosphorus -- stoichiometry -- littoral -- pelagial -- macrophyte beds
Аннотация: We estimated the seston elemental composition (C, N, P) and its ratio in pelagic and littoral zones of mesotrophic shallow Lake Obsterno during two contrasting seasons, as well as the influence of macrophyte beds on the seston stoichiometry. In the both pelagial and littoral zones in summer the C : N ratio was small, 4.62 and 7.05 respectively. But it increased slightly during autumn to 5.66 in pelagic samples against 8.33 in littoral ones. The large N : P ratio and the small phosphorus content specially in the macrophyte covered littoral zone equal to 57.7 in July against 22.47 in September suggest a high level of phosphorus limitation in the littoral locations as a possible mediated reason suppressing zooplankton abundance in summer. Our results in the both pelagial and littoral habitat showed a highly P limited situation in which the N : P ratio was larger in littoral with macrophyte than in pelagial zones. The obtained data of littoral seston stoichiometry were recorded for the first time and exceeded the classical Redfield ratio. The elemental imbalance between macrophyte covered littoral and pelagial suggest that nutrients, especially P, are more limiting in macrophyte beds in summer due to the resource competition between phytoplankton and macrophytes for nutrients, a poor food quality, low zooplankton abundance, as well as its poor taxon-specific elemental ratio in summer.

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Natl Acad Sci Belarus Bioresources, Sci & Pract Ctr, 27 Akad Skaya Str, Minsk 220072, BELARUS.
Naroch Biol Stn, Naroch, BELARUS.
Russian Acad Sci, Siberian Branch, Inst Biophys, 50-50 Akademgorodok Str, Krasnoyarsk 660036, Russia.
Naroch Biol Stn, Miadel Dist 220095, Minsk Region, BELARUS.

Доп.точки доступа:
Buseva, Zhanna F.; Farahani, Shabnam Bahman Gazerani; Veras, Yulia K.; Kolmakova, Anzhelika A.; Sushchik, Nadezhda N.; BRFFR [17-037]

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19.


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

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

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

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20.


   
    Overview of past, current, and future ecosystem and biodiversity trends of inland saline lakes of Europe and Central Asia / E. Zadereev, O. Lipka, B. Karimov [et al.] // Inland Waters. - 2020, DOI 10.1080/20442041.2020.1772034. - Cited References:123 . - Article in press. - ISSN 2044-2041. - ISSN 2044-205X
РУБ Limnology + Marine & Freshwater Biology
Рубрики:
ARAL SEA
   SHALLOW LAKES

   SALT LAKES

   WATER-LEVEL

   HISTORY

Кл.слова (ненормированные):
aquatic -- climate -- conservation -- habitat -- salinity
Аннотация: This review of trends in inland saline lakes of Europe and Central Asia is based on the relevant section of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) Regional Assessment Report for Europe and Central Asia (ECA). We assessed the present status of ECA saline lakes and the effects of direct drivers (climate change, land use, pollution, resource exploitation, invasive species) on ecosystem health and biodiversity. We also assessed past, current and future trends using habitat area and degradation, species richness, and endangered species as indicators. No uniform scenario is applicable to saline lakes in the region. The desiccation of the Aral Sea is caused mainly by land use change and water extraction. In the Caspian Sea, river modifications, water pollution, overfishing and poaching, and species invasions have led to a decrease in species richness and have threatened endemic species. Although trends for smaller saline lakes vary, our analysis demonstrates that land use change, over-exploitation, and pollution are more important direct drivers of ecosystem health and biodiversity than climate change. The establishment of baseline biodiversity values for saline lakes is, however, complicated because biodiversity and the food-web structure are variable and depend strongly on salinity. Thus, there is a need to classify the ecological quality, biodiversity and ecosystem services of saline lakes along a salinity gradient. The improvement of water management and reuse of water, conservation measures, and introduction of climate-smart agriculture are basic conditions for the sustainable use of saline lakes in the region.

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Держатели документа:
Russian Acad Sci, Krasnoyarsk Sci Ctr, Inst Biophys, Siberian Branch, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Yu A Izrael Inst Global Climate & Ecol, Moscow, Russia.
Tashkent Inst Irrigat & Agr Mechanizat Engineers, Tashkent, Uzbekistan.
RAS, Shirshov Inst Oceanol, Gelendzhik, Russia.
WWF Russia, Moscow, Russia.
Univ Porto, Fac Sci, Dept Biol, Porto, Portugal.
Interdisciplinary Ctr Marine & Environm Res Ciima, Porto, Portugal.
Azerbaijan Natl Acad Sci, Inst Bot, Baku, Azerbaijan.
Ariel Univ, Dept Chem Engn, Ariel, Israel.
Ariel Univ, Eastern R&D Ctr, Ariel, Israel.
Univ Bristol, Fac Engn, Bristol, Avon, England.
RAS, Inst Geog, Moscow, Russia.
Inst Global Environm Strategies, Hayama, Kanagawa, Japan.
Univ Bern, Inst Plant Sci, Bern, Switzerland.

Доп.точки доступа:
Zadereev, Egor; Lipka, Oksana; Karimov, Bakhtiyor; Krylenko, Marina; Elias, Victoria; Pinto, Isabel Sousa; Alizade, Valida; Anker, Yaakov; Feest, Alan; Kuznetsova, Daria; Mader, Andre; Salimov, Rashad; Fischer, Markus; Sousa, Isabel

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