Field-Layer Vegetation and Water Table Level as a Proxy of CO 2 Exchange in the West Siberian Boreal Bog

Danil V. Ilyasov (), Anastasia V. Meshcheryakova, Mikhail V. Glagolev, Iuliia V. Kupriianova, Alexandr A. Kaverin, Alexandr F. Sabrekov, Mikhail F. Kulyabin and Elena D. Lapshina
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Danil V. Ilyasov: Laboratory of Ecosystem Geoinformatics, Yugra State University, 628012 Khanty-Mansiysk, Russia
Anastasia V. Meshcheryakova: Laboratory of Ecosystem Geoinformatics, Yugra State University, 628012 Khanty-Mansiysk, Russia
Mikhail V. Glagolev: Laboratory of Ecosystem-Atmosphere Interactions of the Mire-Forest Landscapes, Yugra State University, 628012 Khanty-Mansiysk, Russia
Iuliia V. Kupriianova: Laboratory of Ecosystem Geoinformatics, Yugra State University, 628012 Khanty-Mansiysk, Russia
Alexandr A. Kaverin: Laboratory of Ecosystem Geoinformatics, Yugra State University, 628012 Khanty-Mansiysk, Russia
Alexandr F. Sabrekov: Laboratory of Ecosystem Geoinformatics, Yugra State University, 628012 Khanty-Mansiysk, Russia
Mikhail F. Kulyabin: Laboratory of Ecosystem-Atmosphere Interactions of the Mire-Forest Landscapes, Yugra State University, 628012 Khanty-Mansiysk, Russia
Elena D. Lapshina: Laboratory of Ecosystem-Atmosphere Interactions of the Mire-Forest Landscapes, Yugra State University, 628012 Khanty-Mansiysk, Russia

Land, 2023, vol. 12, issue 3, 1-21

Abstract: The Mukhrino field station has participated in the national project on the inventory of carbon fluxes and pools in the terrestrial ecosystems of Russia since 2022. The development of a network of measurements of CO 2 fluxes and phytomass covered six types of bog ecosystems typical to Western Siberia. The gross ecosystem exchange (GEE) of the field-layer vegetation (medians for the period from the end of May to the end of July, mgC m −2 h −1 ; see errors in Results section) decreased in series: Sphagnum bog with sparse low pine trees (“Open bog”), ridges in ridge-hollow patterned bogs (“Ridge”), pine-dwarf shrub- Sphagnum bog (“Tall ryam”), hollows in patterned bogs (“S.hollow”, “E.hollow”) and pine-dwarf shrub- Sphagnum bog (“Ryam”): −220, −200, −125, −120, −109 and −86, respectively. Ecosystem respiration (R eco ) here was 106, 106, 182, 55, 97 and 136. The aboveground and belowground phytomass of mosses in this series varied between 368 ± 106–472 ± 184 and 2484 ± 517–6041 ± 2079 g/m 2 , respectively: the aboveground phytomass of vascular plants and plant litter—15 ± 7–128 ± 95 and 10 ± 6–128 ± 43, respectively. According to the results of mathematical modeling, the best proxy for GEE, in addition to photosynthetically active radiation and soil surface temperature, was the aboveground phytomass of vascular plants (Ph V ), and for R eco —Ph V and the mass of the plant litter of vascular plants.

Keywords: west Siberia; Russian carbon inventory project; plant phytomass fractioning; gross ecosystem exchange; ecosystem respiration; mathematical modelling; climate change (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2023
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