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  1. No Access

    Article

    Mercury in Frozen Quaternary Sediments of the Spitsbergen Archipelago

    The climate warming–related degradation of permafrost can lead to the entry of climatically and biologically active substances, including mercury, into the biosphere; this work focuses on the analysis of the t...

    N. E. Demidov, A. V. Guzeva, A. L. Nikulina… in Izvestiya, Atmospheric and Oceanic Physics (2023)

  2. No Access

    Article

    Bacterial Communities of Frozen Quaternary Sediments of Marine Origin on the Coast of Western Spitsbergen

    The bacterial composition of permafrost samples taken during drilling of frozen marine sediments in the area of Barentsburg coal mine on the east coast of Grønfjord Bay of Western Spitsbergen has been studied....

    E. S. Karaevskaya, N. E. Demidov… in Izvestiya, Atmospheric and Oceanic Physics (2021)

  3. No Access

    Article

    Archaeal Communities of Frozen Quaternary Sediments of Marine Origin on the Coast of Western Spitsbergen

    The archaeal composition of permafrost samples taken during the drilling of frozen marine sediments in the area of the Barentsburg coal mine on the east coast of Grønfjord Bay of Western Spitsbergen has been s...

    E. S. Karaevskaya, N. E. Demidov… in Izvestiya, Atmospheric and Oceanic Physics (2021)

  4. No Access

    Article

    Geocryological and Hydrogeological Conditions of the Western Part of Nordenskiold Land (Spitsbergen Archipelago)

    This work summarizes the archived data of geocryological and hydrogeological conditions in the west of Nordenskiold Land on the Spitsbergen Archipelago. The historical data obtained in the Soviet period during...

    N. E. Demidov, A. L. Borisik, S. R. Verkulich… in Izvestiya, Atmospheric and Oceanic Physics (2020)

  5. 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)

  6. No Access

    Article

    Reconstruction of the history of a thermokarst lake in the Mid-Holocene based on an analysis of subfossil Cladocera (Siberia, Central Yakutia)

    This paper presents the results of a cladoceran analysis of a sediment core with a lenght of 382 cm collected from a **o in alas Khara Bulgunnyakh located in Central Yakutia. Based on the Cladocera analysis ...

    L. A. Frolova, A. G. Ibragimova, M. Ulrich… in Contemporary Problems of Ecology (2017)

  7. No Access

    Article

    Testate amoebae and environmental features of polygon tundra in the Indigirka lowland (East Siberia)

    Polygon tundra characterizes large areas of arctic lowlands. The micro-relief pattern within polygons offers differentiated habitats for testate amoeba (testacean) communities. The objective of this study was ...

    A. A. Bobrov, S. Wetterich, F. Beermann, A. Schneider, L. Kokhanova… in Polar Biology (2013)

  8. 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)