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Carbon Stock in Coastal Ecosystems of Tombolos of the White and Baltic Seas

Author

Listed:
  • Ilya Bagdasarov

    (Faculty of Soil Science, Moscow State University, 119991 Moscow, Russia)

  • Michail Tseits

    (Faculty of Soil Science, Moscow State University, 119991 Moscow, Russia)

  • Iuliia Kryukova

    (Faculty of Soil Science, Moscow State University, 119991 Moscow, Russia)

  • Kseniya Taskina

    (Institute of Biology, Karelian Research Center, Russian Academy of Sciences, 185910 Petrozavodsk, Russia)

  • Anna Bobrik

    (Faculty of Soil Science, Moscow State University, 119991 Moscow, Russia)

  • Igor Ilichev

    (Faculty of Soil Science, Moscow State University, 119991 Moscow, Russia)

  • Junxiang Cheng

    (Key Laboratory of Watershed Geographic Sciences, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China)

  • Ligang Xu

    (Key Laboratory of Watershed Geographic Sciences, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China)

  • Pavel Krasilnikov

    (Faculty of Soil Science, Moscow State University, 119991 Moscow, Russia)

Abstract

“Blue carbon”, apart from marine humus, includes the carbon (C) stock of coastal ecosystems such as mangroves, saltmarshes, and seagrass meadows, which have been overlooked until recently. Information about the role of coastal wetlands in C sequestration and providing other ecosystem services is still insufficient. In the present study, we assessed the C reserves of soils and vegetation biomass in two complex coastal landscapes (tombolos) located on the coasts of the White and Baltic seas. The soil and plant C stocks were slightly higher at the plot on the Baltic Sea (93.4 ± 46.7 Mg C·ha −1 and 5.22 ± 2.51 Mg C·ha −1 , respectively) than at the plot on the White Sea (71.4 ± 38.2 Mg C·ha −1 and 3.95 ± 2.42 Mg C·ha −1 , respectively). We attributed the higher values of the C reserved to a warmer climate and less saline water at the plot on the Baltic Sea. Both soil and plant C showed high heterogeneity due to geomorphological complexity and differences in vegetative communities. The Phragmites australis community showed the highest plant biomass and, in some places, high soil C reserves. Allochthonous C contributed to the soil C stock at the site on the White Sea. Though P. australis sequestered more C than other communities, its effect on ecosystem services was mostly negative because the invasion of reeds reduced the biological diversity of the marshes.

Suggested Citation

  • Ilya Bagdasarov & Michail Tseits & Iuliia Kryukova & Kseniya Taskina & Anna Bobrik & Igor Ilichev & Junxiang Cheng & Ligang Xu & Pavel Krasilnikov, 2023. "Carbon Stock in Coastal Ecosystems of Tombolos of the White and Baltic Seas," Land, MDPI, vol. 13(1), pages 1-22, December.
  • Handle: RePEc:gam:jlands:v:13:y:2023:i:1:p:49-:d:1311588
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