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  1. No Access

    Article

    Influence of Climate Changes on the Structure of Summer Phytoplankton in a Forest Zone Lake (Raifskoe, Volga-Kama Nature Reserve)

    Climate change, which causes significant structural transformations of ecosystems, is becoming one of the most acute environmental problems of our time. Monitoring observations in protected areas, where anthro...

    O. V. Palagushkina, E. N. Unkovskaya, L. B. Nazarova in Contemporary Problems of Ecology (2024)

  2. No Access

    Article

    Reconstruction of Environmental Conditions in the Eastern Part of Primorsky Krai (Russian Far East) in the Late Holocene

    This paper examines a 115 cm long profile section of lacustrine-swamp sediments from the Langou I Bay (eastern part of Primorsky Krai; 44°25′10.16″ N, 135°54′26.08″ E). According to the produced age model, the...

    L. B. Nazarova, N. G. Razjigaeva, L. V. Golovatyuk… in Contemporary Problems of Ecology (2021)

  3. No Access

    Article

    Reconstruction of Holocene Environmental Changes in North-Western Pacific in Relation to Paleorecord from Shikotan Island

    Results of a paleolimnological investigation of a well-dated lake sediment section from Shikotan Island (Southern Kurils) showed that from ca 8.0 to 5.8 cal ka BP a warm and humid period corresponding to middl...

    L. B. Nazarova, N. G. Razjigaeva, B. Diekmann, T. A. Grebennikova… in Doklady Earth Sciences (2019)

  4. No Access

    Article

    Reconstructions of Paleoecological and Paleoclimatic Conditions of the Late Pleistocene and Holocene according to the Results of Chironomid Analysis of Sediments from Medvedevskoe Lake (Karelian Isthmus)

    The use of chironomids (Diptera: Chironomidae) as indicators of changes in natural and climatic settings allows one to reconstruct paleoclimatic and paleoenvironmental conditions. Based on the results of litho...

    L. B. Nazarova, D. A. Subetto, L. S. Syrykh, I. M. Grekov… in Doklady Earth Sciences (2018)

  5. No Access

    Article

    Paleolimnological studies in Russian northern Eurasia: A review

    This article presents a review of the current data on the level of paleolimnological knowledge about lakes in the Russian part of the northern Eurasia. The results of investigation of the northwestern European...

    D. A. Subetto, L. B. Nazarova, L. A. Pestryakova… in Contemporary Problems of Ecology (2017)

  6. No Access

    Article

    Reconstruction of palaeoecological and palaeoclimatic conditions of the Holocene in the south of the Taimyr according to an analysis of lake sediments

    A sediment core from Khatanga-12 Lake (Taimyr Peninsula, Krasnoyarsk krai) has been studied. The 131.5-cm-long core covers ca. 7100 years of sedimentation. Chironomid analysis, a qualitative reconstruction of ...

    L. S. Syrykh, L. B. Nazarova, U. Herzschuh… in Contemporary Problems of Ecology (2017)

  7. No Access

    Article

    Chironomid fauna of the lakes from the Pechora river basin (east of European part of Russian Arctic): Ecology and reconstruction of recent ecological changes in the region

    We investigated chironomid fauna of surface sediments and a short sediment core (Bol’shoy Kharbey Lake) from Pechora river basin, Northern Russia. Twenty three investigated lakes have thermokarst, glacial or f...

    L. B. Nazarova, A. E. Self, S. J. Brooks, N. Solovieva… in Contemporary Problems of Ecology (2017)

  8. No Access

    Article

    Modern and fossil diatom assemblages from Bol’shoy Lyakhovsky Island (New Siberian Archipelago, Arctic Siberia)

    This article discusses the results of a taxonomic and ecological investigation of diatoms from polygonal ponds and Quaternary permafrost deposits of Bol’shoy Lyakhovsky Island (New Siberian Archipelago) and th...

    O. V. Palagushkina, S. Wetterich, L. Schirrmeister… in Contemporary Problems of Ecology (2017)

  9. No Access

    Article

    Palaeoecological and palaeoclimatical reconstructions of Holocene according chironomid analysis of Lake Glubokoye sediments

    L. B. Nazarova, T. V. Sapelko, D. D. Kuznetsov, L. S. Syrykh in Doklady Biological Sciences (2015)

  10. No Access

    Article

    Analysis of the effects of climate-dependent factors on the formation of zooplankton communities that inhabit arctic lakes in the Anabar River Basin

    The major structural characteristics of zooplankton communities that inhabit 35 Arctic lakes in the catchment basin of the Anabar River (Yakutia) have been analyzed. The ecological state of the lakes has been ...

    L. A. Frolova, L. B. Nazarova, L. A. Pestryakova… in Contemporary Problems of Ecology (2013)

  11. No Access

    Article

    Diatoms of modern bottom sediments in Siberian arctic

    The investigation of the species composition and ecology of diatoms of modern bottom sediments in water bodies of arctic polygonal tundra in three subregions of North Yakutiya has been carried out. As a result...

    O. V. Palagushkina, L. B. Nazarova, S. Wetterich… in Contemporary Problems of Ecology (2012)

  12. No Access

    Article

    Chironomids (Diptera: Chironomidae) in lakes of central Yakutia and their indicative potential for paleoclimatic research

    A study of chrionomid fauna was carried out in two regions of central Yakutia. Fossilized remnants of head capsules were sampled from shallow layers of the bottom sediments of lakes. Seventy five taxa of chiro...

    L. B. Nazarova, L. A. Pestryakova, L. A. Ushnitskaya… in Contemporary Problems of Ecology (2008)

  13. No Access

    Article

    The State of Benthic Communities and Water Quality Evaluation in the Cheboksary Reservoir

    Present-day quantitative and qualitative characteristics of the Cheboksary Reservoir have been investigated, and data on the biological diversity of benthic organisms have been compared to those of hydrobiolog...

    L. B. Nazarova, V. F. Semenov, R. M. Sabirov, I. Yu. Efimov in Water Resources (2004)

  14. No Access

    Article

    Efficiency and quality: Demands of our time

    I. G. Gurvits, G. V. Rezenko, Z. V. Shabanova, V. S. Rudenko… in Glass and Ceramics (1979)