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The effect of salinity on the grazing rate and survival of Daphnia magna females adapted to different salinities / E. S. Zadereev, T. S. Lopatina, S. D. Ovchinnikov [et al.] // Aquat. Ecol. - 2022, DOI 10.1007/s10452-021-09941-7. - Cited References:47. - The reported study was funded by the Krasnoyarsk Regional Fund for supporting scientific and technical activities, the Krasnoyarsk Krai Government and the Russian Foundation for Basic Research, project number 19-44-240010. We are grateful to professional English translator Elena Krasova for language corrections. . - Article in press. - ISSN 1386-2588. - ISSN 1573-5125

РУБ Ecology + Limnology + Marine & Freshwater Biology
Рубрики:
FEEDING-BEHAVIOR
PHYTOPLANKTON CONTROL
SPECIES COMPOSITION
Кл.слова (ненормированные):
Salinity -- Grazing -- Phytoplankton -- Adaptation -- Daphnia
Аннотация: The cladoceran Daphnia magna inhabits lakes with salinities up to 10 g L-1. We compared the effects of different salinities (up to 9 g L-1) on the survival, specific grazing rate, and size selective feeding of Daphnia females adapted to fresh or saline waters (3-4 g L-1). The freshwater population was more sensitive to high salinity (LC50 = 5.3 g L-1), while the survival of the saline water population also decreased in fresh water. Freshwater population demonstrated a higher grazing rate in fresh water, while the saline water population had a higher grazing rate at the salinity above 3 g L-1. A decrease in the grazing rate of the freshwater population was observed at the salinity above 4-5 g L-1. Populations differed in food selectivity. The saline water population consumed particles of larger sizes than the freshwater population. The average size of phytoplankton particles grazed in fresh water was larger than in saline water. This size selective salinity-dependent grazing may be related to the dependence of the feeding efficiency of cladocerans on the viscosity of water and size of phytoplankton particles. Our results indicate that Daphnia populations adapted to a certain salinity can temporarily lose the ability to control phytoplankton because of salinity fluctuations.

WOS
Держатели документа:
Russian Acad Sci, Fed Res Ctr, Krasnoyarsk Sci Ctr, Inst Biophys, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodniy Ave, Krasnoyarsk 660041, Russia.
Khakassky State Nat Reserve, POB 189, Abakan 655017, Russia.

Доп.точки доступа:
Zadereev, E. S.; Lopatina, T. S.; Ovchinnikov, S. D.; Oskina, N. A.; Drobotov, A., V; Tolomeev, A. P.; Krasnoyarsk Regional Fund; Krasnoyarsk Krai Government; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-44-240010]

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Comparative Assessment of the Content of Transition Metals (Cu, Zn, Mn, Pb, and Cd) and Radiocesium (Cs-137) in Pike (Esox lucius) and Burbot (Lota lota) of the Yenisei River / T. A. Zotina, O. V. Anishchenko, E. A. Trofimova, D. V. Dementiev // Contemp. Probl. Ecol. - 2022. - Vol. 15, Is. 1. - P91-99, DOI 10.1134/S1995425522010115. - Cited References:36. - This work was supported by the Russian Foundation for Basic Research, grant no. 18-44-240003, and the Government of Krasnoyarsk krai, together with the Krasnoyarsk Regional Fund for Support of Scientific and Technical Activity, grant no. 20-44-240004. . - ISSN 1995-4255. - ISSN 1995-4263

РУБ Ecology
Рубрики:
FRESH-WATER FISH
   NORTHERN PIKE
   HEAVY-METALS
   BRAMA L.
   FOOD-WEB
   SIZE
Кл.слова (ненормированные):
piscivorous fish -- toxic metals -- body length -- body weight -- size effect
Аннотация: The trophic position of fish is one of the most important factors controlling the accumulation of potentially toxic elements and compounds in fish tissues, primarily via the spectrum of fish nutrition. In this study, the content of potentially toxic transition metals (Cu, Zn, Mn, Pb, and Cd) and radiocesium (Cs-137) in the edible tissues (muscles and liver) of two representatives of the fish-eating ichthyofauna of the Yenisei River, northern pike (Esox lucius) and burbot (Lota lota), have been comparatively studied relatively to the size of the fish. A significant decrease in the content of radiocesium and zinc in the muscles of pike and zinc in the liver of pike with an increase in body size has been recorded in juvenile pikes with a body weight (W) of less than 0.35 kg. For larger sexually mature pikes, no significant size dependences of the accumulation of metals in tissues are found. A positive correlation is found between the content of Cs-137, Cu, Zn, and Mn in muscles and the size of burbot in the W range from 0.42 to 1.62 kg. The tissues of burbots and pikes of the same size significantly (p < 0.05) differ in the concentration of metals in their tissues: concentrations of Zn and Mn are 1.6-2.2 times higher in the muscle of burbot; the concentration of Pb is 1.8 times higher in muscle of pike; Cu is twice as high in the liver of burbot; and Zn and Mn are 4.7 and 1.6 times higher in the liver of pike, respectively. These differences may be due to the different food spectra of pike and burbot. Concentrations of Cu, Zn, and Mn in the liver of pike are 3-7 times higher than in muscle; the concentration of Cu in the liver of burbot is 5 times higher than in muscle. Pb and Cd tend to be higher in liver than muscle for both fish species. Despite the revealed size dependences, the concentrations of potentially toxic metals and radiocesium in the muscles and liver of fish are below the permissible concentrations for food. These results can be used to assess environmental risks for the population consuming fish, as well as to plan for the long-term environmental monitoring of rivers using representatives of piscivorous fish.

WOS
Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Inst Biophys, 50 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Zotina, T. A.; Anishchenko, O., V; Trofimova, E. A.; Dementiev, D., V; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-44-240003]; Government of Krasnoyarsk krai; Krasnoyarsk Regional Fund for Support of Scientific and Technical Activity [20-44-240004]

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Threshold concentrations of the road salt for adverse effects on females and resting eggs of cladoceran Moina macrocopa / T. Lopatina, O. Anishchenko, N. Oskina, E. Zadereev // Aquat. Ecol. - 2021, DOI 10.1007/s10452-021-09830-z. - Cited References:45. - The reported study was funded by the Russian Foundation for Basic Research, the Krasnoyarsk Krai Government, and the Krasnoyarsk Regional Fund for supporting scientific and technical activities, project number 19-44-240014. We are grateful to two anonymous reviewers for the valuable comments and suggestions and to Elena Krasova for linguistic check and improvements. . - Article in press. - ISSN 1386-2588. - ISSN 1573-5125

РУБ Ecology + Limnology + Marine & Freshwater Biology

Кл.слова (ненормированные):
Cladocera -- Resting eggs -- Road salt -- Salinity -- Aquatic ecosystems
Аннотация: The salinization of freshwaters due to the use of deicing road salts is a serious anthropogenic threat. We investigated the effects of the road deicer, which is mostly composed (ca. 70%) of NaCl, on the life cycle parameters of the cladoceran Moina macrocopa in acute and chronic toxicity tests and on the hatching success of resting eggs exposed to sediments contaminated with the road salt. The negative effects of the road salt on survival and life cycle parameters of animals were observed at concentrations above 5 g L-1. The 6-month exposure of resting eggs to contaminated sediments had a consistent but relatively weak effect on the postexposure hatching of resting eggs. Experiments demonstrated that the concentration of the deicer in the top water layer in the water-sediment systems is more important for the hatching success of resting eggs than the salt content in the sediment. Only 2.2 +/- 1.9% of resting eggs hatched when the deicer content in the top water layer was equal to 12 g L-1. Lethal effects on hatchlings were observed starting from the deicer content in the water equal to 1 g L-1, and 97.0 +/- 0.8% of hatchlings were dead at the deicer content in the water equal to 5 g L-1. Thus, the resilience of resting eggs to the contaminated sediments can ensure the replenishment of the population from the egg bank after the salinity disturbance is diminished but the negative effects of the elevated salt content in surface waters on active population will be manifested at lower salinities.

WOS
Держатели документа:
Russian Acad Sci, Fed Res Ctr, Krasnoyarsk Sci Ctr, Inst Biophys,Siberian Branch, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodniy Ave, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Lopatina, Tatiana; Anishchenko, Olesya; Oskina, Natalia; Zadereev, Egor; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Krasnoyarsk Krai Government; Krasnoyarsk Regional Fund [19-44-240014]

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Threshold concentrations of the road salt for adverse effects on females and resting eggs of cladoceran Moina macrocopa / T. Lopatina, O. Anishchenko, N. Oskina, E. Zadereev // Aquatic Ecol. - 2021, DOI 10.1007/s10452-021-09830-z . - Article in press. - ISSN 1386-2588
Кл.слова (ненормированные):
Aquatic ecosystems -- Cladocera -- Resting eggs -- Road salt -- Salinity
Аннотация: The salinization of freshwaters due to the use of deicing road salts is a serious anthropogenic threat. We investigated the effects of the road deicer, which is mostly composed (ca. 70%) of NaCl, on the life cycle parameters of the cladoceran Moina macrocopa in acute and chronic toxicity tests and on the hatching success of resting eggs exposed to sediments contaminated with the road salt. The negative effects of the road salt on survival and life cycle parameters of animals were observed at concentrations above 5 g L?1. The 6-month exposure of resting eggs to contaminated sediments had a consistent but relatively weak effect on the postexposure hatching of resting eggs. Experiments demonstrated that the concentration of the deicer in the top water layer in the water-sediment systems is more important for the hatching success of resting eggs than the salt content in the sediment. Only 2.2 ± 1.9% of resting eggs hatched when the deicer content in the top water layer was equal to 12 g L?1. Lethal effects on hatchlings were observed starting from the deicer content in the water equal to 1 g L?1, and 97.0 ± 0.8% of hatchlings were dead at the deicer content in the water equal to 5 g L?1. Thus, the resilience of resting eggs to the contaminated sediments can ensure the replenishment of the population from the egg bank after the salinity disturbance is diminished but the negative effects of the elevated salt content in surface waters on active population will be manifested at lower salinities. © 2021, The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature.

Scopus
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:
Lopatina, T.; Anishchenko, O.; Oskina, N.; Zadereev, E.

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Structural Features of Scales of Baikal Grayling Thymallus baicalensis under Conditions of an Altered Hydrological Regime / I. V. Zuev, P. Y. Andrushchenko, S. M. Chuprov, T. A. Zotina // Inland Water Biol. - 2021. - Vol. 14, Is. 1. - P60-66, DOI 10.1134/S1995082920060176 . - ISSN 1995-0829
Кл.слова (ненормированные):
growth rate -- migration -- number of circuli -- water temperature -- Thymallus -- Thymallus thymallus
Аннотация: Abstract: The number of circuli between annual scale rings of grayling Thymallus baicalensis Dybowski, 1874 sampled in the Yenisei River in the downstream section of the Krasnoyarsk Hydroelectric Power Station, which does not freeze in winter, have been investigated and compared with populations of grayling from large tributaries of the Yenisei River (Amyl, Kan, Nizhnyaya Tunguska, and Bolshaya Kheta). It has been shown that graylings inhabiting the Yenisei River have a significantly higher (1.5–2.0 times, p < 0.01) number of circuli in the second, third, and fourth annual rings of the scales than in the populations from the tributaries, which corresponds to a higher growth rate of the grayling population in the Yenisei River. An assumption is made about the transition of graylings inhabiting the Yenisei River channel in the lower reaches of the hydroelectric station to a sedentary lifestyle. © 2021, Pleiades Publishing, Ltd.

Scopus
Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Biophysics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Zuev, I. V.; Andrushchenko, P. Y.; Chuprov, S. M.; Zotina, T. A.

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To the question of genetic predisposition to the development of professional sensorineural hearing loss / E. E. Bashmakova, V. V. Krasitskaya, A. D. Yushkova [и др.] // Vestn. Otorinolaringologii. - 2021. - Vol. 86, Is. 1. - С. 15-19, DOI 10.17116/otorino20218601115 . - ISSN 0042-4668
Кл.слова (ненормированные):
Bioluminescent method of SNP genotyping -- Sensorineural hearing loss -- Single-nucleotide polymorphism (SNP)
Аннотация: Objective was to study single-nucleotide polymorphisms (SNP) in CAT, NCL, HSPA1L, PCDH15, and PON2 genes and their associations with hearing impairment among the people working among noise-exposed workers of the mashine-building plant (JSC «Krasmash», Krasnoyarsk, Eastern Siberia, Russia). Materials and methods. The 443 employees of Krasmash JSC, who have been working under conditions of increased noise for at least 1 year, were surveyed and examined. A hearing study was performed by speech and tonal audiometry. Tonal audiometry was carried out in accord with according to a standard method in the frequency range 125—8000 Hz. People with chronic hearing impairment, survivors of meningitis and family history of hearing impairment were excluded from the study. The allelic composition of the studied genes was determined in the remaining group of 288 workers (study group). Polymorphisms were detected using bioluminescent method, developed by the authors earlier. The study group comprised 122 people with hearing impairment (experimental group) and 166 people without impairment (control group). Results. The genotyping results of on allelic variants rs494024 (CAT), rs7598759 (NCL), rs2227956 (HSPA1L), rs7095441 (PCDH15) and rs7785846 (PON2) showed that their frequencies in the study group did not differ and were comparable with those for the European population. No statistically significant differences were revealed in the distribution of the genotypes of the studied mutations between the experimental and control groups. Also no statistically significant associations we found between hearing impairment and availability of two or several SNPs, or these SNPs and clinical characteristics of the disease (degree of hearing impairment, tinnitus). In the group of workers with an experience of 5 to 16 years, an association was found for hearing impairment and SNP rs494024, as well as when it is combined with rs7598759. Conclusions. The associations between SNP rs7598759, rs2227956, and rs7095441 and hearing impairment were not found. In the group of workers with 5—16 year experience, this association was found for SNP rs494024, as well as when it is combined with rs7598759. Discovered associations require further study. © 2021, Media Sphera Publishing Group. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics Siberian Branch of the Russian Academy of Sciences, Federal Research Center “Krasnoyarsk Science Center Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Clinical Hospital 122 named after L.G. Sokolov, FMBA of Russia, St. Petersburg, Russian Federation

Доп.точки доступа:
Bashmakova, E. E.; Krasitskaya, V. V.; Yushkova, A. D.; Dobrecov, K. G.; Frank, L. A.

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РУБ Marine & Freshwater Biology

Кл.слова (ненормированные):
number of circuli -- water temperature -- growth rate -- migration
Аннотация: The number of circuli between annual scale rings of grayling Thymallus baicalensis Dybowski, 1874 sampled in the Yenisei River in the downstream section of the Krasnoyarsk Hydroelectric Power Station, which does not freeze in winter, have been investigated and compared with populations of grayling from large tributaries of the Yenisei River (Amyl, Kan, Nizhnyaya Tunguska, and Bolshaya Kheta). It has been shown that graylings inhabiting the Yenisei River have a significantly higher (1.5-2.0 times, p < 0.01) number of circuli in the second, third, and fourth annual rings of the scales than in the populations from the tributaries, which corresponds to a higher growth rate of the grayling population in the Yenisei River. An assumption is made about the transition of graylings inhabiting the Yenisei River channel in the lower reaches of the hydroelectric station to a sedentary lifestyle.

WOS
Держатели документа:
Siberian Fed Univ, Krasnoyarsk, Russia.
Russian Acad Sci, Krasnoyarsk Sci Ctr, Inst Biophys, Siberian Branch, Krasnoyarsk, Russia.

Доп.точки доступа:
Zuev, I., V; Andrushchenko, P. Yu; Chuprov, S. M.; Zotina, T. A.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-44-240003]; Krasnoyarsk Regional Foundation [18-44-240003]; Siberian Federal University; Institute of Biophysics, Siberian Branch, Russian Academy of SciencesRussian Academy of Sciences

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Long-Chain Alkenones in Saline Meromictic Lakes of the North Minusinsk Depression (Southern Siberia): First Knowledge and Possible Correlation with Water-Level Dynamics / D. Y. Rogozin, A. O. Bulkhin, V. V. Zykov [et al.] // Contemp. Probl. Ecol. - 2020. - Vol. 13, Is. 6. - P643-655, DOI 10.1134/S199542552006013X . - ISSN 1995-4255
Кл.слова (ненормированные):
18S rRNA gene -- climate -- haptophyte algae -- long-chain alkenones -- meromictic lakes -- metagenomics -- paleolimnological reconstruction -- water level -- alkenone -- climate change -- community composition -- correlation -- hydrocarbon -- lake water -- microalga -- salinity -- secondary metabolite -- water level -- Canada -- North America -- Saskatchewan -- Siberia -- Haptophyceae -- Isochrysis
Аннотация: Abstract: Long-chain alkenones (LCAs)—lipides produced by some microalgae of the Haptophyta group in seas and continental water bodies—are promising paleomarkers of climate changes because they are well-preserved in bottom sediments. The hydrocarbon chain and the degree of unsaturation of double bonds of this class of lipides can vary depending on habitat conditions of their producers. For the first time, we have discovered LCAs in the bottom sediments of two saline meromictic lakes Shira and Uchum located in arid steppes of southern Siberia (the North Minusinsk Depression) and estimated the distribution of their total content, length, and the degree of unsaturation. The highly abundant population of producers of LCAs—haptophyte algae of the genus Isochrysis (Haptophyta)—is revealed in the water column of Lake Uchum. It is shown that the species composition of the haptophyte algae and composition of the LCAs in the lakes under study are similar to those in saline stratified lakes of North America (Saskatchewan, Canada) with a similar climate and salt composition. The abundance of the С37:4 alkenone in the bottom sediments in the last 100 years reflected the variations in lake salinity caused by the documented changes in the water level. In this way, it is shown that the LCAs may be used as a paleomarker of climate-driven changes in the water level of the saline lakes in southern Siberia. © 2020, Pleiades Publishing, Ltd.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation
Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation

Доп.точки доступа:
Rogozin, D. Y.; Bulkhin, A. O.; Zykov, V. V.; Ivanova, E. A.; Darin, A. V.; Kalugin, I. A.; Baturina, O. A.; Kabilov, M. R.

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Instability Stabilized: Mechanisms of Evolutionary Stasis and Genetic Diversity Accumulation in Fishes and Lampreys from Environments with Unstable Abiotic Factors / A. A. Makhrov, V. S. Artamonova // Contemp. Probl. Ecol. - 2020. - Vol. 13, Is. 4. - P370-381, DOI 10.1134/S1995425520040083. - Cited References:141. - We are grateful to Yu.P. Altukhov, I.N. Bolotov, E.A. Borovikova, I.V. Vikhrev, Yu.Yu. Dgebuadze, E.Yu. Krysanov, K.V. Kuzishchin, B.M. Mednikov, M.V. Mina, V.M. Spitsyn, and V.S. Fridman for helpful discussions of the problems considered in the review. The work was supported by the Russian Science Foundation (project no. 16-14-10001). . - ISSN 1995-4255. - ISSN 1995-4263

РУБ Ecology
Рубрики:
SEBASTES-MENTELLA EVIDENCE
MTDNA CONTROL REGION
POPULATION-STRUCTURE
Кл.слова (ненормированные):
ecology -- evolution -- phenotypic plasticity -- heterozygosity -- heteroplasmy -- mobilization reserve -- Arctic -- mountains
Аннотация: As studies have shown, individuals from well morphologically distinct groups often represent the same species and may even belong to one population in fishes and lampreys from environments with unstable abiotic factors (Arctic, mountain, and desert regions). Phenotypic plasticity ensures broad variation ranges of morphological traits in unstable conditions, which require rapid transitions from one morphogenetic variant to another. The choice of a morphogenetic pathway can be influenced by the level of individual heterozygosity, changes in the copy numbers of certain DNA sequences, heteroplasmy, and the presence of several allelic variants in the genes that strongly affect the phenotype. A cyclic character is often observed for evolutionary processes driven by these mechanisms, and speciation usually does not take place in unstable environmental conditions. However, mobilization reserve accumulate in a species with a broad reaction norm, and particular morphogenetic pathways may be genetically fixed when its population finds its way into stable environmental conditions, facilitating fast allopatric speciation.

WOS
Держатели документа:
Russian Acad Sci, Severtsov Inst Ecol & Evolut, Moscow 119071, Russia.
Russian Acad Sci, Krasnoyarsk Sci Ctr, Fed Res Ctr, Inst Biophys,Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Makhrov, A. A.; Artamonova, V. S.; Russian Science FoundationRussian Science Foundation (RSF) [16-14-10001]

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10.

Morphological and Genetic Diversity of Two Forms of Muksun Coregonus muksun (Salmonidae) of the Khatanga River Basin as a Key for Understanding the Phylogenetic Relationships between Muksun and Whitefish C. lavaretus / E. A. Borovikova, Y. V. Budin // J. Ichthyol. - 2020. - Vol. 60, Is. 6. - P909-922, DOI 10.1134/S0032945220060016. - Cited References:52. - The paper is prepared with financial support of the Russian Scientific Foundation, grant no. 16-14-10001. . - ISSN 0032-9452. - ISSN 1555-6425

РУБ Fisheries + Zoology
Рубрики:
PHYLOGEOGRAPHY
   POPULATION
   ALBULA
   IDENTIFICATION
   PLESHCHEYEVO
   MTDNA
Кл.слова (ненормированные):
muksun Coregonus muksun -- low-density-rakered form -- high-density-rakered -- form -- morphology -- mitochondrial DNA -- ITS1 -- phylogeny -- Khatanga River
Аннотация: Morphological analysis of muksun Coregonus muksun of the Khatanga River basin revealed that along with its typical high-density-rakered form, individuals of the low-density-rakered form also live in this region. Analysis of the genetic polymorphism of three marker regions of mitochondrial (ND1 and COI fragments) and nuclear (ITS1) DNA indicates the polyphyletic origin of these forms. The revealed low level of genetic differentiation of muksun and whitefish C. lavaretus, along with the available data on the absence of clear diagnostic species characteristics, suggest that they belong to the same biological species C. lavaretus.

WOS
Держатели документа:
RAS, IBIW, Papanin Inst Biol Inland Waters, Borok, Russia.
Russian Acad Sci, Inst Biophys, Siberian Branch, IBP,RAS, Krasnoyarsk, Russia.
All Russian Sci Res Inst Fisheries & Oceanog, Krasnoyarsk Branch, Krasnoyarsk, Russia.
Krasnoyarsk State Agr Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Borovikova, E. A.; Budin, Yu. V.; Russian Scientific FoundationRussian Science Foundation (RSF) [16-14-10001]

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11.

РУБ Ecology
Рубрики:
TEMPERATURE
   SHIRA
   PALEOTEMPERATURE
   CALIBRATION
   SEDIMENTS
   ATLANTIC
Кл.слова (ненормированные):
long-chain alkenones -- haptophyte algae -- meromictic lakes -- water level -- climate -- paleolimnological reconstruction -- 18S rRNA gene -- metagenomics
Аннотация: Long-chain alkenones (LCAs)-lipides produced by some microalgae of the Haptophyta group in seas and continental water bodies-are promising paleomarkers of climate changes because they are well-preserved in bottom sediments. The hydrocarbon chain and the degree of unsaturation of double bonds of this class of lipides can vary depending on habitat conditions of their producers. For the first time, we have discovered LCAs in the bottom sediments of two saline meromictic lakes Shira and Uchum located in arid steppes of southern Siberia (the North Minusinsk Depression) and estimated the distribution of their total content, length, and the degree of unsaturation. The highly abundant population of producers of LCAs-haptophyte algae of the genus Isochrysis (Haptophyta)-is revealed in the water column of Lake Uchum. It is shown that the species composition of the haptophyte algae and composition of the LCAs in the lakes under study are similar to those in saline stratified lakes of North America (Saskatchewan, Canada) with a similar climate and salt composition. The abundance of the C37:4 alkenone in the bottom sediments in the last 100 years reflected the variations in lake salinity caused by the documented changes in the water level. In this way, it is shown that the LCAs may be used as a paleomarker of climate-driven changes in the water level of the saline lakes in southern Siberia.

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Sobolev Inst Geol & Mineral, Siberian Branch, Novosibirsk 630090, Russia.
Russian Acad Sci, Inst Chem Biol & Fundamental Med, Siberian Branch, Novosibirsk 630090, Russia.

Доп.точки доступа:
Rogozin, D. Y.; Bulkhin, A. O.; Zykov, V. V.; Ivanova, E. A.; Darin, A., V; Kalugin, I. A.; Baturina, O. A.; Kabilov, M. R.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-05-00428, 18-45-243002 r_mol_a]; Government of Krasnoyarsk Krai [18-45-243002 r_mol_a]; Krasnoyarsk Krai Foundation of Science [18-45-243002 r_mol_a]

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12.

Direct and indirect impacts of fish on crustacean zooplankton in experimental mesocosms / I. Feniova [et al.] // Water. - 2019. - Vol. 11, Is. 10. - Ст. 2090, DOI 10.3390/w11102090 . - ISSN 2073-4441
Кл.слова (ненормированные):
Fish effects -- Mesocosm experiments -- Nutrients -- Phytoplankton -- Polyunsaturated fatty acids -- Population growth rate -- Small and large cladocerans -- Stoichiometric elemental composition -- Zooplankton -- Fish -- Lakes -- Nutrients -- Phosphorus -- Phytoplankton -- Plankton -- Polyunsaturated fatty acids -- Population statistics -- Elemental compositions -- Mesocosms -- Population growth rates -- Small and large cladocerans -- Zooplankton -- Meats -- algae -- Ceriodaphnia -- Crustacea -- Daphnia
Аннотация: Understanding the factors that regulate phytoplankton and zooplankton is an important goal of aquatic ecologists; however, much remains unknown because of complex interactions between phytoplankton, zooplankton, and fish. Zooplankton, in particular cladocerans, can be regulated by bottom-up factors either via food quantity or food quality in terms of polyunsaturated fatty acids (PUFA) or phosphorus (P) contents in phytoplankton. Fish can recycle nutrients and in turn change the PUFA and P contents of algal resources, thus modifying bottom-up regulation. Furthermore, fish can change phytoplankton structure through consumption of cladocerans which selectively graze phytoplankton. We conducted a mesocosm (300 L) experiment to determine how trophic state and fish affected crustacean dynamics. The mesocosms were filled with water containing natural plankton from the eutrophic Lake Jorzec and mesotrophic Lake Majcz (Northeastern Poland), and we manipulated fish presence/absence. We also conducted a complementary life-table experiment to determine how trophic state and fish nonconsumptively affected demographic parameters of the dominant cladocerans in the mesocosms. Small and large cladoceran species responded differently to food quantity and quality. Small-bodied Ceriodaphnia were regulated mainly by resource concentrations (i.e., food quantity), while large species were limited by PUFAs (i.e., food quality). Fish likely increased food quality in terms of PUFA, primarily eicosapentaenoic acids (EPA), thus providing conditions for more successful development of Daphnia than in the fish-free treatments. Phosphorus in the seston was likely limiting for zooplankton. However, food quality in terms of phosphorus was likely less important than PUFA because zooplankton can accumulate nutrients in their body. © 2019 by the authors.

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Держатели документа:
Institute of Ecology and Evolution, Russian Academy of Sciences, Leninsky Prospect 33, Moscow, 119071, Russian Federation
Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok, 152742, Russian Federation
Department of Hydrobiology, Institute of Biology, University of Bialystok, Ciolkowskiego 1J, Bialystok, 15-245, Poland
Institute of Biophysics of Federal Research Centre, Krasnoyarsk Science Centre of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Svobodny Av. 79, Krasnoyarsk, 660041, Russian Federation
Department of Hydrobiology, Faculty of Biology, Biological and Chemical Research Center, University of Warsaw, Zwirki i Wigury 101, Warsaw, 02-089, Poland
The Scientific and Practical Center for Bioresources, National Academy of Sciences of Belarus, Minsk, 220072, Belarus
Department of Integrative Biology, Oklahoma State University, Stillwater, OK 74078, United States

Доп.точки доступа:
Feniova, I.; Sakharova, E.; Karpowicz, M.; Gladyshev, M. I.; Sushchik, N. N.; Dawidowicz, P.; Gorelysheva, Z.; Gorniak, A.; Stroinov, Y.; Dzialowski, A.

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13.

Resistance of Dormant Eggs of Cladocera to Anthropogenic Pollutants / E. Zadereev, T. S. Lopatina, N. Oskina ; ed.: V. R. Alekseev, B. . PinelAlloul // Monogr. Biol. : SPRINGER INTERNATIONAL PUBLISHING AG, 2019. - Vol. 92. - P121-135. - (Monographiae Biologicae), DOI 10.1007/978-3-030-21213-1_7. - Cited References:59. - The research was partially supported by the Russian Foundation for Basic Research (Project No. 15-04-05199) and the Krasnoyarsk Regional Science Foundation (Project No. 16-44-243041). We are grateful to Helen Krasova for linguistic improvements. . -

РУБ Marine & Freshwater Biology
Рубрики:
FRESH-WATER CLADOCERAN
RESTING EGGS
IONIZING-RADIATION
Кл.слова (ненормированные):
Resting eggs -- Resistance -- Heavy metals -- Ionizing radiation -- Toxicity
Аннотация: Many Cladocera species under unfavourable conditions produce resting eggs that can survive for years in deep diapause. Resting eggs form egg banks at the bottom sediments, which serve as a source of genetic diversity and replenish the population after periods of decline. Despite the obvious importance of resting eggs for the ecosystem functioning, studies assessing the sensitivity of resting eggs to different toxicants are scarce. We reviewed published data on the sensitivity of resting eggs to the effect of heavy metals, organic pollutants and ionizing radiation. Analysis shows that the effects of toxicants of different types on resting eggs will have different environmental consequences. Egg banks may suffer from prolonged contact of dormant eggs with heavy metals. However, the ecological relevance of these effects is low, since the effective concentrations of toxicants must be very high. In addition, the effect of heavy metals on resting eggs is not transmitted to hatchlings from exposed eggs. Taking into account high toxicity of heavy metals to active animals, we assume that the toxic effect of heavy metals is critical for active zooplankters and relatively safe for resting stages. Accumulation of artificial radionuclides in bottom sediments can have a significant impact on aquatic ecosystems through chronic effects both on survival of resting eggs and on the life cycle parameters of animals hatched from irradiated eggs. Resting eggs during reactivation are more sensitive to the effect of ionizing radiation. Pesticides and complex chemical compounds produce similar toxic effects on both resting eggs and life history parameters of hatchlings from exposed resting eggs. The bottom line is that to predict the effect of contamination of bottom sediments by different pollutants on the ecosystem structure and functioning, it is highly important to investigate the viability of the resting eggs under a wide range of concentrations of various toxicants and different durations of direct contact of eggs with toxicants.

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Держатели документа:
Krasnoyarsk Res Ctr SB RAS, Inst Biophys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Zadereev, Egor; Lopatina, Tatiana S.; Oskina, Natalia; Alekseev, V.R. \ed.\; PinelAlloul, B... \ed.\; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [15-04-05199]; Krasnoyarsk Regional Science Foundation [16-44-243041]

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14.

The Role of Chemical Interactions in Embryonic Diapause Induction in Zooplankton / E. Zadereev, T. S. Lopatina ; ed.: V. R. Alekseev, B. . PinelAlloul // Monogr. Biol. : SPRINGER INTERNATIONAL PUBLISHING AG, 2019. - Vol. 92. - P175-185. - (Monographiae Biologicae), DOI 10.1007/978-3-030-21213-1_10. - Cited References:60 . -

РУБ Marine & Freshwater Biology
Рубрики:
MOINA-MACROCOPA CLADOCERA
PREDATOR-INDUCED DIAPAUSE
SEXUAL
Кл.слова (ненормированные):
Resting eggs -- Chemical interactions -- Zooplankton -- Competition -- Conspecific chemicals -- Kairomones
Аннотация: Production of resting eggs in zooplankton is controlled by multiple stimuli. In this chapter, we briefly discussed published data that confirm the effect of infochemicals produced by conspecifics, competitors, predators or preys on the production of resting eggs in zooplankton. We found that the effect of conspecific chemicals on the production of resting eggs is the most convincing. Both experimental data and theoretical research demonstrated that this density-dependent reaction often results in a competitive advantage of individuals in the population that follows such a strategy. The data on the effect of chemicals exuded by competitors or predators are controversial. Data on the effect of chemical interaction on the production of resting eggs in natural habitats are almost absent. Most of the studies of chemical interactions are performed with individuals in laboratory experiments with crowded water. Crowded water is water that contains chemicals exuded by the population. Even though this method has the number of drawbacks, it is still widely used in similar studies. There are several studies focused on the identification of the chemical nature of cues responsible for the production of resting eggs in zooplankton. Most probably, chemicals involved are short proteins. However, the exact identification of the chemicals responsible for the production of resting eggs in zooplankton remains an open task. In order to place chemical interactions into a framework of multiple diapause control theory, it is necessary to determine the nature of chemicals involved and to demonstrate population- and ecosystem-level consequences of this phenomenon in natural habitats.

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Держатели документа:
Krasnoyarsk Res Ctr SB RAS, Inst Biophys, Krasnoyarsk, Russia.

Доп.точки доступа:
Zadereev, Egor; Lopatina, Tatiana S.; Alekseev, V.R. \ed.\; PinelAlloul, B... \ed.\

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15.

Specific Features of Morphology, Ecology, and Mitochondrial DNA Polymorphism of the Whitefish (Coregonus lavaretus L.) from the Keret' River as a New Object for Artificial Propagation / E. A. Borovikova, Y. V. Kodukhova // Contemp. Probl. Ecol. - 2018. - Vol. 11, Is. 3. - P259-270, DOI 10.1134/S1995425518030046. - Cited References:38. - We are grateful to S.N. Baldina, N.V. Bardukov, I.V. Vihrev, L.A. Glushchenko, A.A. Makhrov, V.P. Prokayev, A.Yu. Rol'skii, S.G. Sokolov, V.A. Shirokov, I.L. Shchurov, and V.V. Ignatenko and staff from the fishery monitoring station of the Vygskii fish hatchery, the Vologda laboratory at the State Scientific Research Institute of Lake and River Fisheries, and the Pskov branch of the State Scientific Research Institute of Lake and River Fisheries for their assistance in sampling. We are also grateful to A.A. Makhrov for discussing the material and for valuable comments on the manuscript. The study was financially supported for Russian Science Foundation, project no. 16-14-10001. . - ISSN 1995-4255. - ISSN 1995-4263

РУБ Ecology
Рубрики:
POPULATION
   HABITATS
   ORIGIN
   MTDNA
Кл.слова (ненормированные):
whitefish -- Coregonus lavaretus -- morphological analysis -- craniological -- analysis -- genetic polymorphism -- mitochondrial DNA
Аннотация: The results of a study of the specific features of morphological and genetic polymorphism of the population of the anadromous White Sea common whitefish (Coregonus lavaretus L.) from the Keret' River are presented. As assessed by its morphological features, the whitefish population of the Keret' is homogenous. A comparison of the Keret' whitefish with whitefish populations of both Europe and Siberia revealed clear differences. These differences relate first and foremost to the fish locomotion and orientation in space: body depth, length and positions of fins, and interorbital width. The characteristics of skull features (craniological analysis) of the White Sea whitefish are presented for the first time. The results of an analysis of the polymorphism of the ND1 fragment of the mitochondrial DNA confirmed an earlier suggestion about the mixed origin of the Keret' River whitefish: the descendants of three different phylogenetic lineages were revealed in the population.

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Держатели документа:
Russian Acad Sci, Papanin Inst Biol Inland Waters, Borok 152742, Russia.
Russian Acad Sci, Siberian Branch, Inst Biophys, Akademgorodok 50-50, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Borovikova, E. A.; Kodukhova, Yu. V.; Russian Science Foundation [16-14-10001]

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16.

Meromixis and Seasonal Dynamics of Vertical Structure of Lake Uchum (South Siberia) / D. Y. Rogozin [et al.] // Contemp. Probl. Ecol. - 2018. - Vol. 11, Is. 2. - P195-206, DOI 10.1134/S1995425518020117. - Cited References:43. - This study was supported by the Russian Foundation for Basic Research (project no. 16-05-00091) and by partial support from the Council for Grants of the President of the Russian Federation on governmental support of leading scientific schools (grant NSh-9249.2016.5). . - ISSN 1995-4255. - ISSN 1995-4263

РУБ Ecology
Рубрики:
PHOTOTROPHIC SULFUR BACTERIA
SALINE MEROMICTIC LAKES
SHUNET KHAKASSIA
Кл.слова (ненормированные):
meromixis -- hydrogen sulfide -- stratification -- salt lake -- phototrophic -- sulfur bacteria -- phytoplankton -- zooplankton -- bottom sediments
Аннотация: The seasonal dynamics of the vertical structure of small saline Lake Uchum, located in the steppe arid zone of the south of Siberia (Krasnoyarsk krai), has been studied in detail for the first time. This lake is a meromictic water body. We have revealed a heterogeneous vertical distribution of plankton organisms and a dense population of purple sulfuric bacteria in the redox zone. The taxonomic composition and seasonal dynamics of phyto- and zooplankton are described. Presumably, the meromixis of Lake Uchum is due to the inflow of fresh water to the surface of the saline water body during the rise of its level in the early 20th century, similarly to lakes Shira and Shunet located nearby. The processes of salt displacement into the solution during the formation of ice, as well as the precipitation of salts in the winter, also contribute to the maintenance of permanent stratification. The information on the current state of the lake can be useful for reconstructing the climate by bottom sediments, as well as for creating a model of water quality and investigating the therapeutic properties of lake mud.

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Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Div, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Rogozin, D. Y.; Zykov, V. V.; Ivanova, E. A.; Anufrieva, T. N.; Barkhatov, Y. V.; Khromechek, E. B.; Botvich, I. Y.; Russian Foundation for Basic Research [16-05-00091]; Council for Grants of the President of the Russian Federation [NSh-9249.2016.5]

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17.

Ecological Forms of Black Sea Brown Trout (Salmo trutta labrax) in the Mzymta River as Manifestation of Ontogenetic Plasticity / A. A. Makhrov [et al.] // Russ. J. Dev. Biol. - 2018. - Vol. 49, Is. 2. - P117-127, DOI 10.1134/S1062360418020054. - Cited References:77. - This study was supported by the Russian Scientific Foundation, project no. 16-14-10001. . - ISSN 1062-3604. - ISSN 1608-3326

РУБ Developmental Biology
Рубрики:
ATLANTIC SALMON
   POPULATIONS
   HISTORY
   L.
   MIGRATION
   SURVIVAL
Кл.слова (ненормированные):
Salmonidae -- brown trout -- trout -- ontogenesis -- migrations -- maturation -- phenotypic plasticity -- gonads -- smolts
Аннотация: Populations of brown trout in the Mzymta River and its tributaries include anadromous (mainly female) and resident (mainly males) fish. Some resident males in the basin of the Mzymty River attain sexual maturity at the age 1+, and resident females mature at the age 2+ or 3+. The maximum age of resident fish is 4+ in the samples studied. Migrations of anadromous brown trout to the sea occur at the ages 1+, 2+, or 3+. Future spawners spend from 1 to 4 years at feeding grounds in the sea. Smolts of the population are characterized by performing not only spring but also autumn migrations to the sea. One smolt specimen has been detected upstream from the dam in the river where spawners of anadromous brown trout do not migrate; this means that the capability for sea migrations persists long in the population represented only by resident specimens of brown trout. The diversity of life cycles and ecological forms in populations of brown trout is not lower than in populations of brown trout in Northern and Western Europe. The comparison of the data obtained with published data makes it possible to come to the conclusion about the high plasticity of ontogenesis of Black Sea brown trout.

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Russian Acad Sci, Severtsov Inst Ecol & Evolut, Moscow 119071, Russia.
Russian Acad Sci, Fed Res Ctr Krasnoyarsk Sci Ctr, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
St Petersburg State Univ, St Petersburg 199034, Russia.
Azov Res Inst Fisheries, Krasnodar Branch, Krasnodar 350000, Russia.
Moscow MV Lomonosov State Univ, Moscow 119991, Russia.
Kuban State Univ, Krasnodar 350040, Russia.

Доп.точки доступа:
Makhrov, A. A.; Artamonova, V. S.; Murza, I. G.; Pashkov, A. N.; Ponomareva, M. V.; Reshetnikov, S. I.; Christoforov, O. L.; Russian Scientific Foundation [16-14-10001]

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18.

Phylogeography of Common Whitefish (Coregonus lavaretus L.) of Northwestern Russia / E. A. Borovikova, J. I. Malina // Contemp. Probl. Ecol. - 2018. - Vol. 11, Is. 3. - P286-296, DOI 10.1134/S1995425518030058. - Cited References:47. - We are grateful to V.S. Artamonova, S.N. Baldina, N.V. Bardukov, I.V. Vikhrev, N.V. Gordeeva, E.E. Ezhova, A.A. Makhrov, A.P. Novoselov, Yu.S. Reshetnikov, A.Yu. Rol'skii, S.G. Sokolov, O.P. Sterligov, A.N. Sharov, Yu.N. Sharova, V.A. Shirokov, I.L. Schurov, and V.V. Ignatenko and stuff members at the fishery monitoring station of the Vygskii hatchery, staff at the Vologda laboratory of the State Scientific Research Institute of Lake and River Fisheries branch and Pskov division of the State Scientific Research Institute of Lake and River Fisheries, and staff at the Forvat hatchery for assistance in sampling the materials for the study. We thank also A.A. Makhrov for discussing the materials, advice, and commenting on the manuscript. This study was financially supported by the Russian Science Foundation, project no. 16-14-10001. . - ISSN 1995-4255. - ISSN 1995-4263

РУБ Ecology
Рубрики:
MITOCHONDRIAL-DNA VARIATION
   NORTHERN EURASIA
   CONTROL REGION
   ROUND
Кл.слова (ненормированные):
whitefish Coregonus lavaretus -- genetic polymorphism -- mitochondrial DNA -- phylogeography -- periglacial refugium
Аннотация: This paper elucidates the features of colonization by whitefish (Coregonus lavaretus L.) of waterbodies of the European part of Russia in relation to Pleistocene glaciation. Based on the data on the frequencies and phylogenetic relationships of mitochondrial DNA haplotypes, a significant role of migrants from the western periglacial refugia is shown. The first large refugium was located at the North Atlantic; the second was at the South-Eastern Baltic. Until the last glaciation, with the maximum at about 20000 years ago, migrations from Siberia took place as well. However, at present the descendants of these migrants in the waterbodies of Northwestern Russia are not the dominants. The size of the refugium where the population lived prior to expansion may be an important condition for the successful spreading of common whitefish.

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Держатели документа:
Russian Acad Sci, Papanin Inst Biol Inland Waters, Borok 152742, Russia.
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Borovikova, E. A.; Malina, J. I.; Russian Science Foundation [16-14-10001]

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19.

Numerical Modeling of Vertical Distribution of Living and Dead Copepods Arctodiaptomus salinus in Salt Lake Shira / A. P. Tolomeev [et al.] // Contemp. Probl. Ecol. - 2018. - Vol. 11, Is. 6. - P543-550, DOI 10.1134/S1995425518060112. - Cited References:25. - This work is part of the joint Russian-German project "Zooplankton Mortality in Lake Ecosystems and Its Potential Contribution to Carbon Mineralization In Pelagial," supported by the Russian Foundation for Basic Research, project no. 16-54-12048 and the German Research Foundation (DFG no. GR-1540/29-1), and partly supported by the Government Task in the framework of the Program of Basic Research of the Russian Federation (theme no. 51.1.1) . - ISSN 1995-4255. - ISSN 1995-4263

РУБ Ecology
Рубрики:
NONPREDATORY MORTALITY
CRUSTACEAN ZOOPLANKTON
SEDIMENT TRAPS
Кл.слова (ненормированные):
zooplankton -- nonpredatory mortality -- numerical modeling -- Arctodiaptomus -- salinus
Аннотация: In deep stratified lakes, the processes of growth and mortality of zooplankton populations result in uneven vertical distributions of living and dead organisms in a water column. The carcasses in the water are removed by sinking, degradation due to microbial decomposition and detritivory, etc. In the case of the epilimnion maximum of zooplankton, provided that the degradation prevails over the sinking, the downward flux of carcasses exponentially decays with depth. This vertical profile of dead organisms, demonstrating the decline in meta- and hypoliminon, can be described by the numerical model presented in this paper. The model approximation of the field data makes it possible to determine non-predator mortality rate m and degradation rate D in relative terms (m/v and D/v, vsinking velocity) or absolute values (with defined v). For the case of the copepod population of Arctodiaptomus salinus in Lake Shira, the calculated m and D (medians of 0.13 and 0.26 day(-1), respectively) were in a good agreement with the literature data. This method also gives the advantage of using the depth-dependent sinking velocity v.

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Держатели документа:
Russian Acad Sci, Inst Biophys, Krasnoyarsk Sci Ctr, Siberian Branch, Krasnoyarsk 660036, Russia.
Leibniz Inst Freshwater Ecol & Inland Fisheries, Dept Ecohydrol, D-12587 Berlin, Germany.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Natl Acad Sci Belarus Bioresources, Sci & Pract Ctr, Minsk 220072, BELARUS.

Доп.точки доступа:
Tolomeev, A. P.; Kirillin, G.; Dubovskay, O. P.; Buseva, Z. F.; Gladyshev, M. I.; Russian Foundation for Basic Research [16-54-12048]; German Research Foundation (DFG) [GR-1540/29-1]; Russian Federation [51.1.1]

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20.

Morphological specificities of vendace (Salmoniformes: Salmonidae: Coregoninae: Coregonus albula) population in Lake Pleshcheyevo (the Volga River basin): relationships of two phylogenetic lineages in a new zone of secondary contact / E. A. Borovikova, V. S. Artamonova // Org. Divers. Evol. - 2018. - Vol. 18, Is. 3. - P355-366, DOI 10.1007/s13127-018-0375-5. - Cited References:46. - The preparation of this manuscript was supported by the Russian Science Foundation, grant no. 16-14-10001. . - ISSN 1439-6092. - ISSN 1618-1077

РУБ Evolutionary Biology + Zoology
Рубрики:
ECOLOGICAL DIVERGENCE
   SPECIES PAIR
   ORIGIN
   EVOLUTIONARY
   WHITEFISH
Кл.слова (ненормированные):
Vendace -- Morphological characters -- Allopatric origin -- Phylogenetic -- lineages -- Lake Pleshcheyevo
Аннотация: This is the report about the secondary contact zone of coregonids in the Upper Volga basin. Two mitochondrial DNA (mtDNA) phylogenetic lineages of vendace Coregonus albula (Linnaeus, 1758) living in Lake Pleshcheyevo have been analyzed and compared in terms of morphological characters. These lineages have developed under the conditions of allopatry and are characterized by strong differences of the mitochondrial DNA sequences. The lineages have coexisted in the same lake since the last glaciation maximum (about 10,000years ago). The morphological analysis has shown that representatives of both lineages correspond to C. albula, while slight, morphological variations between lineages indicate different food preferences and locomotor abilities. Scenarios where multiple distinct coexisting phylogenetic lineages are characterized by low levels of morpho-ecological divergence are uncommon. These situations are important for understanding biodiversity dynamics and the mechanisms that drive coexistence, adaptive divergence, hybridization, and extinction when genetically divergent lineages meet in secondary contact.

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Держатели документа:
RAS, Papanin Inst Biol Inland Waters, Lab Fish Ecol, Borok 152742, Yaroslavl Regio, Russia.
RAS, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia.
RAS, Severtsov Inst Ecol & Evolut, Leninski Prosp 33, Moscow 119071, Russia.

Доп.точки доступа:
Borovikova, Elena A.; Artamonova, Valentina S.; Russian Science Foundation [16-14-10001]

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