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The vertical structure of a pelagic community in the tropical ocean / M. E. Vinogradov, I. I. Gitelzon, Yu. I. Sorokin // Marine Biology. - 1970. - Vol. 6, Is. 3. - P187-194, DOI 10.1007/BF00347226 . - ISSN 0025-3162
Аннотация: The vertical structure of the ecosystem in the euphotic zone of the western Equatorial Pacific has been studied. The studies were based on a continuous sounding of the bioluminescence field, with simultaneous, vertically aimed sampling made with the aid of a 5l water bottle and plankton nets. The bioluminescence field has a two-maxima structure with a more pronounced and permanent lower maximum found in the oligotrophic regions as deep as 60 to 100 m. In the narrow (10 m) layer of maximum bioluminescence, the concentration of zooplankton, as well as the concentration, activity and production of bacteria and phytoplankton, are several times higher than those in immediately adjacent waters at greater or lesser depth. At the same time, the concentration of nutrient salts in that layer diminishes sharply and approaches zero in the overlying water. Analysis of the data obtained shows that the production processes above the lower maximum layer are dependent not only on the turbulent influx of nutrient salts from the underlying layers, but also on the horizontal supply from the zone of upwelling. A pelagic community, in its different time aspects from the moment of water ascending until its sinking in the convergence zone, is suggested as a common system for modelling. В© 1970 Springer-Verlag.

Scopus
Держатели документа:
P. P. Shirshov Institute of Oceanology, Academy of Sciences of the USSR, Moscow, Russia
Siberian Division of Academy of Sciences of the USSR, Institute of Physics, Krasnoyarsk, Russia
Institute of Freshwater Biology, Academy of Sciences of the USSR, Borok, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Vinogradov, M.E.; Gitelzon, I.I.; Sorokin, Yu.I.

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POTENTIAL ACCURACY IN EVALUATING THE AMOUNT AND BIOMASS OF PHYTOPLANKTON AND ZOOPLANKTON BY BIOLUMINESCENCE IN THE BARENTS SEA [Текст] / C. A. CHEREPANOV [и др.] // Okeanologiya. - 1989. - Vol. 29, Is. 2. - P. 286-292. - Cited References: 19 . - ISSN 0030-1574

РУБ Oceanography

WOS : 660036, Красноярск, Академгородок, д. 50, стр. 50
Доп.точки доступа:
CHEREPANOV, C.A.; UTYUSHEV, R.N.; LEVIN, L.A.; PAVLOV, V.A.; NESTEROVA, V.N.

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KINETIC CHARACTERISTICS OF GROWTH OF ZOOPLANKTON IN FLOWING AND CLOSED CULTIVATORS [Текст] / M. I. GLADYSHEV [и др.] // Dokl. Akad. Nauk. - 1993. - Vol. 333, Is. 6. - С. 795-797. - Cited References: 4 . - 3. - ISSN 0869-5652

РУБ Multidisciplinary Sciences

: 660036, Красноярск, Академгородок, д. 50, стр. 50
Доп.точки доступа:
GLADYSHEV, M.I.; TEMEROVA, T.A.; DEGERMENDZHI, A.G.; TOLOMEEV, A.P.

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REAL AND IMAGINARY MICROALGAE FEEDING SPECTRUM OF SIMOCEPHALUS SP IN FLOWING AND CLOSED CULTIVATORS [Текст] / M. I. GLADYSHEV [и др.] // Dokl. Akad. Nauk. - 1994. - Vol. 336, Is. 6. - С. 843-846. - Cited References: 8 . - 4. - ISSN 0869-5652

РУБ Multidisciplinary Sciences
Рубрики:
FRESH-WATER ZOOPLANKTON
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
GLADYSHEV, M.I.; TEMEROVA, T.A.; SHCHUR, L.A.; DEGERMENDZHI, A.G.; TOLOMEEV, A.P.

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Effect of daily variations in abiotic conditions on the distribution and production of phytoplankton in Lake Baikal / A. V. Kartushinskii // Water Resources. - 1997. - Vol. 24, Is. 1. - P60-67 . - ISSN 0097-8078
Аннотация: Based on experimental and field data, the character of daily variations in the production and distribution of the phytoplankton biomass under various hydrodynamic and thermodynamic conditions is analyzed. The effects of density stratification, wind and light conditions, vertical water flows, and daily migration of the Zooplankton on the life activity of the phytoplankton are simulated. It is shown that the vertical distribution of the maximum concentrations of the phytoplankton depends on daily variations in a number of abiotic factors. В© 1997 MAHK Hayka/Interperiodica Publishing.

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

Доп.точки доступа:
Kartushinskii, A.V.

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Mathematical model of ecological mechanism of radionuclid spatial heterogeneity in river system water-phytoplankton-zooplankton-botton sediment [Текст] / A. G. Degermendzhi, L. G. Kosolapova // Dokl. Akad. Nauk. - 1997. - Vol. 354, Is. 1. - С. 131-134. - Cited References: 7 . - 4. - ISSN 0869-5652

РУБ Multidisciplinary Sciences

: 660036, Красноярск, Академгородок, д. 50, стр. 50
Доп.точки доступа:
Degermendzhi, A.G.; Kosolapova, L.G.

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Seasonal dynamics of number of alive and dead zooplankton in a small pond and some variants of mortality estimation [Текст] / O. P. Dubovskaya, M. I. Gladyshev, V. G. Gubanov // Zhurnal Obshchei Biol. - 1999. - Vol. 60, Is. 5. - С. 543-555. - Cited References: 22 . - ISSN 0044-4596

РУБ Biology

Аннотация: The authors investigate seasonal dynamics of number of alive and dead zooplankton individuals, their vertical distribution and the rates of sedimetation using special staining. Seasonal dynamics of natural mortality (ageing, parasites, diseases, toxic substances) was calculated. The mortality was maximal in the middle of a summer (the period of zooplankton depression) and minimal - at the beginning and at the end of summer. The method was compared with traditional method of mortality calculation that includes death from predators. It was shown that zooplankton depression in the middle df summer was caused not by press of predators but by other reasons.

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

Доп.точки доступа:
Dubovskaya, O.P.; Gladyshev, M.I.; Gubanov, V.G.

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Lake Shira, a Siberian salt lake: Ecosystem structure and function. 2. Brachionus plicatilis (rotatoria) growth and development / T. A. Temerova, A. G. Degermendzhy, A. P. Tolomeyev // International Journal of Salt Lake Research. - 1999. - Vol. 8, Is. 3. - P233-244, DOI 10.1023/A:1009001908937 . - ISSN 1037-0544
Кл.слова (ненормированные):
Brachionus plicatilis -- Growth rate -- Reproduction -- Simulation model -- Trophic conditions -- growth -- ontogeny -- saline lake -- trophic conditions -- zooplankton -- Russian Federation -- Brachionus plicatilis -- Chlorella vulgaris -- Rotifera
Аннотация: The growth and development of Brachionus plicatilis (Muller), a rotifer and one of the most abundant zooplankton species in Lake Shira, a saline lake at low temperature in the Republic of Khakassia, was studied in cultures at different trophic conditions. Growth indices were evaluated at natural (lake) concentrations of bacteria, Chlorella vulgaris, a microalga, and Candida utilis, a yeast. The negative effect on rotifer reproduction in the algal-bacterial community by blue-green algae was demonstrated. The ratio of ontogenetic periods was shown to be in accord with species and food concentration. Base values required to calculate B. plicatilis population simulation model parameters were defined.

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

Доп.точки доступа:
Temerova, T.A.; Degermendzhy, A.G.; Tolomeyev, A.P.

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Lake Shira, a Siberian salt lake: Ecosystem structure and function. 1. Major physico-chemical and biological features / T. A. Zotina, A. P. Tolomeyev, N. N. Degermendzhy // International Journal of Salt Lake Research. - 1999. - Vol. 8, Is. 3. - P211-232, DOI 10.1023/A:1009030120324 . - ISSN 1037-0544
Кл.слова (ненормированные):
Bacterioplankton -- Blue-green algae -- Meromictic salt lake -- Phytoplankton -- Vertical structure -- Zooplankton -- community composition -- ecosystem function -- ecosystem structure -- migration -- relative abundance -- saline lake -- vertical distribution -- Russian Federation -- Arctodiaptomus salinus -- Brachionus plicatilis -- Cyclotella tuberculata -- Dictyosphaerium tetrachotomum -- Hexarthra oxiuris -- Lyngbya contorta -- Microcystis ichtyoblabe
Аннотация: The specific composition, vertical distribution and daily migration of plankton in a meromictic salt lake, Lake Shira, have been investigated. The main structural components of the ecosystem are bacteria, algae and crustaceans. Since the late 1970s, blue-green algae are reported as dominant. Nowadays the phytoplankton is dominated by Lyngbya contorta, Microcystis ichtyoblabe (Cyanophyta), Cyclotella tuberculata (Bacillariophyta) and Dictyosphaerium tetrachotomum (Chlorophyta). The zooplankton of Lake Shira comprises Arctodiaptomus salinus (Copepoda), Brachionus plicatilis and Hexarthra oxiuris (Rotatoria). Investigation revealed a stratified vertical distribution of all dominant species except Cyclotella with a maximum at a depth of 12-15 m during the summer growth period. Zooplanktons differ in the pattern of distribution and daily migration, but most zooplankton tend to concentrate near the surface. The possible reasons for the vertical distribution of the plankton are discussed.

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

Доп.точки доступа:
Zotina, T.A.; Tolomeyev, A.P.; Degermendzhy, N.N.

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10.

Studying of algae food composition of Daphnia longispina during bluegreen bloom of eutrophic pond [Текст] / M. I. Gladyshev [и др.] // Dokl. Akad. Nauk. - 2000. - Vol. 371, Is. 4. - P. 556-558. - Cited References: 11 . - ISSN 0869-5652

РУБ Multidisciplinary Sciences
Рубрики:
MICROCYSTIS-AERUGINOSA
   CLOSED CULTIVATORS
   PHYTOPLANKTON
   ZOOPLANKTON
   MICROALGAE

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

Доп.точки доступа:
Gladyshev, M.I.; Kolmakov, V.I.; Dubovskaya, O.P.; Ivanova, E.A.

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11.

Density dependent regulation of the reproduction cycle of Moina macrocopa (Cladocera) [Text] / Y. S. Zadereev, V. G. Gubanov ; ed.: JCV Klein, CV Klein, // BIODIVERSITY CRISIS AND CRUSTACEA. Ser. CRUSTACEAN ISSUES : A A BALKEMA PUBLISHERS, 2000. - Vol. 12: 4th International Crustacean Congress (JUL 20-24, 1998, AMSTERDAM, NETHERLANDS). - P535-541. - Cited References: 19 . - ISBN 0168-6356. - ISBN 90-5410-478-3

РУБ Fisheries
Рубрики:
DAPHNIA-PULEX
ZOOPLANKTON
MAGNA
Аннотация: The allelopathic effect of population density on gametogenesis induction of Moina macrocopa (Crustacea: Cladocera) was investigated at varying food concentration, photoperiod, and temperature. The presence of the non-trophic effect of population density on gametogenesis induction was demonstrated. The experiments with single females have shown that if the photoperiod, temperature, and food concentration are favorable for parthenogenesis, the crowding water has the effect of stimulating females into changing the reproduction mode. This effect was enhanced by using a higher density of the population to achieve crowding. The change of reproduction mode occurs in the experiments with populations of M. macrocopa with the achievement of food availability favorable for the parthenogenesis of single females. Chemical interactions between animals are the most obvious explanation for the obtained results.

Держатели документа:
Inst Biophys, Krasnoyarsk, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zadereev, Y.S.; Gubanov, V.G.; Klein, JCV \ed.\; Klein,, CV \ed.\

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12.

The microalgal food spectrum of Daphnia longispina during the algal bloom of an eutrophic water body. / M. I. Gladyshev [et al.] // Doklady Biological Sciences. - 2000. - Vol. 371, Is. 1-6. - P179-181 . - ISSN 0012-4966
Кл.слова (ненормированные):
alga -- animal -- article -- biomass -- Daphnia -- ecosystem -- food chain -- growth, development and aging -- microbiology -- plankton -- zooplankton -- Algae -- Animals -- Biomass -- Daphnia -- Ecosystem -- Food Chain -- Plankton -- Water Microbiology -- Zooplankton

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

Доп.точки доступа:
Gladyshev, M.I.; Kolmakov, V.I.; Dubovskaya, O.P.; Ivanova, E.A.

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13.

Chemical composition of water conditioned by crowded Moina macracopa (Crustacea : Cladocera) [Text] / G. S. Kalacheva [et al.] // Russ. J. Ecol. - 2000. - Vol. 31, Is. 2. - P. 113-117, DOI 10.1007/BF02828365. - Cited References: 25 . - ISSN 1067-4136

РУБ Ecology
Рубрики:
DAPHNIA-PULEX
   ZOOPLANKTON
   PARAMETERS
   INDUCTION
Кл.слова (ненормированные):
Cladocera -- metabolic products -- chemical analysis -- chemical composition
Аннотация: The chemical composition of water conditioned by colonies of Moina macrocopa and involved in the regulation of their life cycle was analyzed in comparison with water samples from natural water bodies. Dechlorinated tap water was used as the control medium. The results showed that metabolism of crustaceans leads to an increase in the concentrations of phosphorus and nitrogen in all forms, the appearance of protein and carbohydrate fractions, and changes in the composition of lipid fractions in the water conditioned by their colonies. The contents of all organic components are very low, which makes their identification difficult. Concentrations of substances identified in the conditioned water do not exceed those occurring in nature.

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

Доп.точки доступа:
Kalacheva, G.S.; Zadereev, E.S.; Gubanov, V.G.; Gribovskaya, I.V.

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14.

Chemical Interactions between Planktonic Crustaceans / E. S. Zadereev // Zhurnal Obshchei Biologii. - 2002. - Vol. 63, Is. 2. - С. 166-167 . - ISSN 0044-4596
Кл.слова (ненормированные):
animal -- animal communication -- chemistry -- Crustacea -- ecosystem -- physiology -- phytoplankton -- plankton -- review -- zooplankton -- Animal Communication -- Animals -- Crustacea -- Ecosystem -- Phytoplankton -- Plankton -- Zooplankton
Аннотация: Three levels of chemical communications involved plankton Crustacea are considered: 1) Influence of zooplankton excretion on phytoplankton; 2) Influence of zooplankton excretion on the individuals of the same or other species of the same trophic level; 3) Influence of chemical cues released by predatory zooplankton and fish on herbivorous zooplankton. The data on the influence of excreted cues on some physiological (growth, reproduction, feeding, etc.) and behavioural (vertical and horizontal migrations) characters of planktonic crustaceans are presented. Ecological role and chemistry cues responsible for the interactions of different trophic levels can be different. It is considered that chemical communications in aquatic ecosystems can be provided with: 1) Species-specific cues that strictly influence particular biological functions (communication system of feromone type); 2) Non-specific cues that strictly influence particular functions (system of regulator, that act at the whole ecosystem as the hormonal system of an organism). 3) Non-specific substances with broad (non-specidic) influence - toxic substances of "biocondition substances" according to classification of Novikov and Kharlamova (2000).

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

Доп.точки доступа:
Zadereev, E.S.

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15.

Formation of the vertical heterogeneity in the Lake Shira ecosystem: The biological mechanisms and mathematical model / A. G. Degermendzhy [et al.] // Aquatic Ecology. - 2002. - Vol. 36, Is. 2. - P271-297, DOI 10.1023/A:1015621508971 . - ISSN 1386-2588
Кл.слова (ненормированные):
Hydrogen sulphide -- Phytoplankton -- Stratification control -- Sulphate-reducing bacteria -- Sulphur cycle -- Vertical model -- biological production -- community structure -- ecosystem modeling -- nutrient cycling -- plankton -- saline lake -- seasonal variation -- vertical distribution -- Russian Federation -- algae -- Arctodiaptomus -- Bacteria (microorganisms) -- Calanoida -- Chlorophyta -- Copepoda -- Crustacea -- Cyanobacteria -- Dictyosphaerium -- Lyngbya -- Lyngbya contorta
Аннотация: Data on the seasonal changes in vertical heterogeneity of the physical-chemical and biological parameters of the thermally stratified Shira Lake ecosystem (Khakasia, Siberia) in 1996-2000 have been analyzed. The interaction mechanisms involving: (1) The plankton populations in aerobic and anaerobic zones, involving the cycling of carbon and sulphur, (2) the primary production limitation (by light and phosphorus) and inhibition (by light), and (3) the kinetic characteristics of plankton populations have been elucidated. A mathematical model of the vertical structure of the lake's plankton populations, based on the ecosystem description and on vertical turbulent diffusion of the matter, has been constructed. The green alga Dictyosphaerium tetrachotomum (Chlorophyta) and the cyanobacterium Lyngbya contorta (Cyanophyta), which dominated the phytoplankton biomass, were taken as oxygen producers. Arctodiaptomus salinus (a calanoid copepod) has been assumed as the main grazer in Shira Lake as it dominated the zooplankton biomass. Four groups of microorganisms involved in the sulphur cycle formation have been distinguished: sulphur, sulphur purple, sulphur green and SRB. H2S is oxidized to sulphate (only the green sulphur bacteria oxidize it to sulphur), and sulphate is reduced to H2S, forming neither sulphur nor its water-soluble compounds. The role of grazing, light and nutrient limitation, in forming the vertical inhomogeneities, particularly in lowering the depth of the maximal cyanobacterial biomass, has been demonstrated. When the model takes into account both light limitation and nutrient limitation of algal growth by P and consumption of algae by crustaceans: (a) in the scenario where the P is formed only by the cycling and decomposition of autochthonous organic matter, both the green algae and cyanobacteria are eliminated; (b) in the scenario involving an additional P flux in the deep water layers the peak of the cyanobacteria is at a depth of 10 m, and its amplitude is close to the one observed in the lake. The position of the peak remains stable owing to the 'double' limitation mechanism: light 'from above' and P 'from below'. Another mechanism responsible for the deep position of the peak of cyanobacteria was analyzed mathematically based on the model involving the experimentally proven assumption of the growth inhibition by light in the epilimnion and the light limitation in the hypolimnion. The main result is: the peak is positioned stable at its depth and does not change with time. The analytical and numerical calculations made for this positioning mechanism yielded the formulae relating the depth of the maximum of algal biomass, the 'width' of the peak base and the peak amplitude and a number of parameters (algae elimination, turbulent diffusion coefficient, sedimentation rate, light extinction coefficient and light intensity). The theoretical curves for the stratification of chemical and biological parameters have been brought in conformity with field observations, e.g. for the different patterns for the peaks, and the biomass maxima of cyanobacteria, purple and green sulphur bacteria, oxygen, and hydrogen sulphide. The calculations revealed that for an adequate assessment of the parameters for the hydrogen sulphide zone it is necessary to introduce flows of allochthonous organic matter. For the first time, theoretically, based on the form of the sulphur distribution curve, the allochthonous input of organic matter and the inflow of hydrogen sulphide from the bottom have been discriminated. The theoretical limit for the depth up to which the hydrogen-sulphide zone can ascend under the impact of allochthonous organic loading, has been determined.

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

Доп.точки доступа:
Degermendzhy, A.G.; Belolipetsky, V.M.; Zotina, T.A.; Gulati, R.D.

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16.

Growth of dominant zooplankton species feeding on plankton microflora in Lake Shira / T. A. Temerova, A. P. Tolomeyev, A. G. Degermendzhy // Aquatic Ecology. - 2002. - Vol. 36, Is. 2. - P235-243, DOI 10.1023/A:1015607304508 . - ISSN 1386-2588
Кл.слова (ненормированные):
Arctodiaptomus salinus -- Brachionus plicatilis -- Life history -- Reproduction -- Specific growth rate -- diet -- food limitation -- growth rate -- life history -- reproduction -- saline lake -- zooplankton -- Russian Federation -- algae -- Arctodiaptomus -- Bacteria (microorganisms) -- Brachionus -- Brachionus plicatilis -- Calanoida -- Copepoda -- Cyanobacteria -- Invertebrata -- Rotifera
Аннотация: Batch cultures and continuous flow cultures were used to study the growth rates of zooplankton species from Shira lake, the rotifer Brachionus plicatilis Muller and calanoid copepod Arctodiaptomus salinus Daday, which were fed on phytoplankton and bacterioplankton from the lake. Analyses of the birth and survival rates were used to demonstrate that the lake phytoplankton, consisting mostly of cyanobacteria and diatomaceous algae, is inadequotes for optimal realisation of the reproductive potential of B. plicatilis when compared with the bacterial diet. The study revealed that the kinetic growth characteristics of the two zooplankters were similar: B. plicatilis rmax, 0.120 d-1; S0, 0.253; and Ks, 0.114 mg dry mass l-1; and for A. salinus rmax, 0.129 d-1; S0, 0.240; and Ks, 0.171 mg dry mass l-1. Fluctuations in natural food concentration reduced the growth rate of both species. Even though the threshold concentration of food for B. plicatilis and A. salinus were quite similar, the copepods were less sensitive to food limitation.

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

Доп.точки доступа:
Temerova, T.A.; Tolomeyev, A.P.; Degermendzhy, A.G.

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17.

Chemical interactions between planktonic crustaceans [Текст] / E. S. Zadereev // Zhurnal Obshchei Biol. - 2002. - Vol. 63, Is. 2. - P. 159-167. - Cited References: 52 . - ISSN 0044-4596

РУБ Biology
Рубрики:
DIEL VERTICAL MIGRATION
   DAPHNIA-MAGNA CRUSTACEA
   SEX DETERMINATION
   COLONY FORMATION
   CLADOCERA
   FISH
   RESPONSES
   PULEX
   WATER
   SCENEDESMUS
Аннотация: Three levels of chemical communications involved plankton Crustacea are considered: 1) Influence of zooplankton excretion on phytoplankton; 2) Influence of zooplankton excretion on the individuals of the same or other species of the same trophic level; 3) Influence of chemical cues released by predatory zooplankton and fish on herbivorous zooplankton. The data on the influence of excreted cues on some physiological (growth, reproduction, feeding, etc.) and behavioural (vertical and horizontal migrations) characters of planktonic crustaceans are presented. Ecological role and chemistry cues responsible for the interactions of different trophic levels can be different. It is considered that chemical communications in aquatic ecosystems can be provided with: 1) Species-specific cues that strictly influence particular biological functions (communication system of feromone type); 2) Non-specific cues that strictly influence particular functions (system of regulator, that act at the whole ecosystem as the hormonal system of an organism). 3) Non-specific substances with broad (nonspecific) influence-toxic substances of "biocondition substances" according to classification of Novikov and Kharlamova (2000).

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:
Zadereev, E.S.

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18.

Phytoplankton diet of Arctodiaptomus salinus (Copepoda, Calanoida) in Lake Shira (Khakasia) / A. P. Tolomeyev // Aquatic Ecology. - 2002. - Vol. 36, Is. 2. - P229-234, DOI 10.1023/A:1015618104520 . - ISSN 1386-2588
Кл.слова (ненормированные):
Arctodiaptomus salinus -- Food selectivity -- Phytoplankton -- diet -- food selection -- phytoplankton -- saline lake -- zooplankton -- Russian Federation -- algae -- Animalia -- Arctodiaptomus -- Calanoida -- Copepoda -- Cyanobacteria -- Eukaryota -- Invertebrata -- Lyngbya -- Lyngbya contorta -- Microcystis -- Microcystis sp.
Аннотация: A flow-through method was employed to study the algal part of the diet spectrum of the calanoid Arctodiaptomus salinus in the surface layer of the lake and in the phytoplankton biomass maximum zone (10 m deep). Daily consumption rates of this calanoid differed markedly in these layers, being 1 and 11 ?g ind -1 d-1 respectively. The cyanobacterial taxa, Lyngbya contorta and Microcystis sp., accounted for more than a half of the ration. Nevertheless, the negative Ivlev electivity coefficient indicated that Arctodiaptomus prefers none of these two taxa. The low measured uptakes suggest that the energy expenditure is compensated by other resources, presumably microzooplankton and detritus.

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

Доп.точки доступа:
Tolomeyev, A.P.

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19.

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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20.

A circadian rhythm of grazing of microalgae by a laboratory culture of Ceriodaphnia quadrangula [Текст] / V. I. Kolmakov [и др.] // Biofizika. - 2002. - Vol. 47, Is. 4. - P. 673-676. - Cited References: 12 . - ISSN 0006-3029

РУБ Biophysics
Рубрики:
CLOSED CULTIVATORS
FLUORESCENCE
ZOOPLANKTON
Кл.слова (ненормированные):
daily rhythm of grazing -- fluorescence -- microalgae -- flowing-through cultivator -- photoperiod -- statistical spectral analysis
Аннотация: The circadian rhythm of grazing of microalgae by a laboratory culture of Ceriodaphnia quadrangula under continuous illumination was studied by continuous registration of chlorophyll fluorescence at the outlet of a flow-through cultivator. A culture of green alga Chlorella vulgaris was used as a feed. The data obtained were treated by the statistical spectral analysis. It was found that animals preliminarily grown under a 12 h light : 12 h dark regime and transferred to constant light showed two maxima in the circadian rhythm of grazing with periods of 0.7 and 1.1 h. Animals preliminarily grown under constant light showed no circadian rhythm of grazing. It was concluded that the circadian rhythm of grazing of C quadrangula has endogenous nature and can change according to light conditions.

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

Доп.точки доступа:
Kolmakov, V.I.; Levin, L.A.; Dubovskaya, O.P.; Gladyshev, M.I.

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