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Spatial distribution of resting stages (akinetes) of the cyanobacteria Anabaena flos-aquae in sediments and its influence on pelagic populations / E. S. Kravchuk, E. A. Ivanova, M. I. Gladyshev // Marine and Freshwater Research. - 2011. - Vol. 62, Is. 5. - P450-461, DOI 10.1071/MF10256 . - ISSN 1323-1650
Кл.слова (ненормированные):
cyanobacterial blooms -- harmful algae -- reservoir -- resting stages -- sediment management -- water quality -- abundance -- bioaccumulation -- biomass -- cyanobacterium -- environmental factor -- experimental study -- green alga -- inoculation -- littoral environment -- macrophyte -- pelagic environment -- phytoplankton -- population structure -- qualitative analysis -- recruitment (population dynamics) -- reservoir -- seasonal variation -- sediment analysis -- silt -- spatial distribution -- vertical distribution -- water quality -- Siberia -- algae -- Anabaena flos-aquae -- Cyanobacteria
Аннотация: Recruitment of pelagic populations of cyanobacteria from littoral bottom sediments is assumed to be one of the key factors for the development of harmful blooms. Therefore, it is necessary to obtain more information on the possible factors influencing the spatial distribution of the resting stages in littoral bottom sediments. To test the hypothesis that akinete abundances in littoral bottom sediments are associated with silt and the presence of higher water plants, we sampled spatial and vertical distribution and seasonal dynamics of akinetes of cyanobacterium Anabaena flos-aquae in a small Siberian reservoir. We found that akinetes accumulate in silt at stations located in macrophyte beds. Two experiments were carried out to test if there is relationship between size of inoculum and size of the pelagic population of A. flos-aquae. The proportion of A. flos-aquae in total phytoplankton biomass depended on the initial abundance of akinetes in bottom sediments. The model based on laboratory experiments gave good qualitative description of the field data. These findings can be useful to predict the location of the main akinete accumulation zones in a water body and plan the removal of sediment to prevent the cyanobacterial blooms. В© CSIRO 2011.

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

Доп.точки доступа:
Kravchuk, E.S.; Ivanova, E.A.; Gladyshev, M.I.

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The effect of chemicals released by Gammarus lacustris on the depth distribution of Arctodiaptomus salinus in laboratory conditions / Y. S. Zadereev, M. V. Gubanov // Aquatic Ecology. - 2002. - Vol. 36, Is. 2. - P257-260, DOI 10.1023/A:1015635903281 . - ISSN 1386-2588
Кл.слова (ненормированные):
Arctodiaptomus -- Chemical communication -- Gammarids -- Predation -- Shira lake -- Vertical distribution -- chemical ecology -- interspecific interaction -- saline lake -- vertical distribution -- zooplankton -- Russian Federation -- algae -- Amphipoda -- Arctodiaptomus -- Copepoda -- Gammarus -- Gammarus lacustris
Аннотация: The effect of treatment water containing chemicals released by Gammarus lacustris or crushed/injured Arctodiaptomus salinus induced changes in vertical distribution of Arctodiaptomus in laboratory conditions. With food concentration in the medium corresponding to the maximum of algae concentration in Shira lake, A. salinus in an experimental vessel was situated higher than in the control. Average population depth of A. salinus decreased as the inoculation density of G. lacustris increased.

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

Доп.точки доступа:
Zadereev, Y.S.; Gubanov, M.V.

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Plants-rhizospheric organisms interaction in a manmade system with and without biogenous element limitation / L. A. Somova [et al.] // Advances in Space Research. - 1997. - Vol. 20, Is. 10. - P1939-1943 . - ISSN 0273-1177
Кл.слова (ненормированные):
nitrogen -- article -- bacterial count -- biomass -- comparative study -- culture medium -- growth, development and aging -- metabolism -- microbiology -- plant leaf -- plant root -- plant seed -- Pseudomonas fluorescens -- Pseudomonas putida -- wheat -- Biomass -- Colony Count, Microbial -- Culture Media -- Nitrogen -- Plant Leaves -- Plant Roots -- Pseudomonas fluorescens -- Pseudomonas putida -- Seeds -- Triticum
Аннотация: The effect has been studied of inoculation of seeds of wheat with two species of rhizospheric microorganisms, -Pseudomonas fluorescens and Pseudomonas putida - on young plant growth with complete and with nitrogen deficit mineral nutrition. With complete mineral medium, plants grown from seeds inoculated with bacteria of Pseudomonas genus (experiment plants) have been found to have better growth over plants not inoculated with these bacteria (control plants). The experiment plants had increased transpiration and their biomass had higher organic nitrogen content. With nitrogen deficit medium, the plants inoculated with bacteria and those without them, have not revealed changes in growth. Neither case demonstrated competition of microorganisms with plants for nitrogen sources. В© 1997 COSPAR. Published by Elsevier Science Ltd.

Scopus
Держатели документа:
Institute of Biophysics, Krasnoyarsk 6600036, Russian Federation
CEA-Sciences du Vivant, DEVM, CEA/Cadarache, Saint-Paul-Lez-Durance Cedex, France
Computing Center Russian, Krasnoyarsk 6600036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Somova, L.A.; Pechurkin, N.S.; Polonsky, V.I.; Pisman, T.I.; Sarangova, A.B.; Andre, M.; Sadovskaya, G.M.

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Pine Stands as Bioindicators: Justification for Air Toxicity Monitoring in an Industrial Metropolis / G. Polyakova, N. Pashenova, V. Senashova [et al.] // Environments. - 2020. - Vol. 7, Is. 4. - Ст. 28, DOI 10.3390/environments7040028. - Cited References:35. - This work was supported by the state budget allocated to the fundamental research at the Russian Academy of Sciences, projects 0356-2018-0742 and 0356-2017-0017, and by RFBR grant 15-04-06575, RFBR-Krasnoyarsk Regional Foundation N 18-44-240004, grant 18-44-242002. . - ISSN 2076-3298

РУБ Environmental Sciences
Рубрики:
HORMESIS
Кл.слова (ненормированные):
environmental monitoring -- pollutants -- toxicity -- creeping fire -- high-grade pine stands -- bioindicators
Аннотация: Five permanent sample plots (SPs; 200-250 trees per plot) were established in middle-aged high-grade suburban pine stands near the industrial city of Krasnoyarsk, Siberia, Russia. Needle damage, inventory parameters of the stands, and the defense response of the stem phloem were evaluated annually for the years 2002-2019 and attributed to acute or chronic toxic exposures (creeping fire or industrial pollutants, respectively). The results form a basis for using trees as bioindicators. A newly elaborated stem lesion test was formed from a hypothesis on the upward sugar transport for the regeneration of an injured crown, based on Eschrich's model of bidirectional sugar transport in the phloem. The formation of a phloem lesion was induced by inoculation of the stem with a mycelial extract of the ophiostomatoid fungus Ceratocystis laricicola. The lesion length and its shift relative to the inoculation hole were measured. An increase in the length of needles at early stages of stand weakening by pollutants was found to correspond to the hormesis model (Selye's adaptation syndrome). A possibility of assessing the chronology of pollutant toxicity and the duration of the recovery period after creeping fire was shown.

WOS
Держатели документа:
FRC KSC SB RAS, Sukachev Inst Forest SB RAS, Krasnoyarsk 660036, Russia.
Nonstate Educ Inst Higher Profess Educ Siberian I, Krasnoyarsk 660069, Russia.
FRC KSC SB RAS, Photobiol Lab, Inst Biophys SB RAS, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Biophys Dept, Krasnoyarsk 660049, Russia.

Доп.точки доступа:
Polyakova, Galina; Pashenova, Natalia; Senashova, Vera; Podolyak, Natalia; Kudryasheva, Nadezhda; Russian Academy of SciencesRussian Academy of Sciences [0356-2018-0742, 0356-2017-0017]; RFBRRussian Foundation for Basic Research (RFBR) [15-04-06575]; RFBR-Krasnoyarsk Regional Foundation [18-44-240004, 18-44-242002]

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Pine stands as bioindicators: Justification for air toxicity monitoring in an industrial metropolis / G. Polyakova, N. Pashenova, V. Senashova [et al.] // Environ. - MDPI. - 2020. - Vol. 7, Is. 4. - Ст. 28, DOI 10.3390/environments7040028 . - ISSN 2076-3298
Кл.слова (ненормированные):
Bioindicators -- Creeping fire -- Environmental monitoring -- High-grade pine stands -- Pollutants -- Toxicity
Аннотация: Five permanent sample plots (SPs; 200-250 trees per plot) were established in middleaged high-grade suburban pine stands near the industrial city of Krasnoyarsk, Siberia, Russia. Needle damage, inventory parameters of the stands, and the defense response of the stem phloem were evaluated annually for the years 2002-2019 and attributed to acute or chronic toxic exposures (creeping fire or industrial pollutants, respectively). The results form a basis for using trees as bioindicators. A newly elaborated stem lesion test was formed from a hypothesis on the upward sugar transport for the regeneration of an injured crown, based on Eschrich‘s model of bidirectional sugar transport in the phloem. The formation of a phloem lesion was induced by inoculation of the stem with a mycelial extract of the ophiostomatoid fungus Ceratocystis laricicola. The lesion length and its shift relative to the inoculation hole were measured. An increase in the length of needles at early stages of stand weakening by pollutants was found to correspond to the hormesis model (Selye‘s adaptation syndrome). A possibility of assessing the chronology of pollutant toxicity and the duration of the recovery period after creeping fire was shown. © 2020 by the authors.

Scopus
Держатели документа:
Sukachev Institute of Forest SB RAS, FRC KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Non-State Educational Institution of Higher Professional Education Siberian Institute of Business, Management and Psychology, Krasnoyarsk, 660069, Russian Federation
Photobiology Lab, Institute of Biophysics SB RAS, FRC KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Biophysics Department, Siberian Federal University, Krasnoyarsk, 660049, Russian Federation

Доп.точки доступа:
Polyakova, G.; Pashenova, N.; Senashova, V.; Podolyak, N.; Kudryasheva, N.

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