Environmental Dynamics and Global Climate ChangeEnvironmental Dynamics and Global Climate ChangeEnvironmental Dynamics and Global Climate Change2218-44222541-9307Yugra State University16883010.18822/edgcc168830Experimental worksЭкспериментальные работыUnknownThe carbon dioxide fluxes at the open-top chambers experiment on the ombrotrophic bog (Mukhrino field station)The carbon dioxide fluxes at the open-top chambers experiment on the ombrotrophic bog (Mukhrino field station)ZarovE. A.
Russian Federation
zarov.evgen@yandex.ruJacototA.zarov.evgen@yandex.ruKulikA. A.A. A.zarov.evgen@yandex.ruGogoS. S.S. S.zarov.evgen@yandex.ruLapshinaE. D.e_lapshina@ugrasu.ruDyukarevE. A.egor@imces.ruYugra State University, Khanty-Mansiysk, Russian FederationLaboratoire ECOBIO, Physicien adjoint, Observatoire des Sciences de l’Univers de Rennes, Rennes, FranceInstitute of Monitoring of Climatic and Ecological Systems, SB RAS, Tomsk, Russian Federation0101202313419420101022023Copyright ©; 2023, Zarov E.A., Jacoto A., Kulik A.A., Gogo S.S., Lapshina E.D., Dyukarev E.A.Copyright ©; 2023, Zarov E.A., Jacoto A., Kulik A.A., Gogo S.S., Lapshina E.D., Dyukarev E.A.2023Zarov E.A., Jacoto A., Kulik A.A., Gogo S.S., Lapshina E.D., Dyukarev E.A.Zarov E.A., Jacoto A., Kulik A.A., Gogo S.S., Lapshina E.D., Dyukarev E.A.https://creativecommons.org/licenses/by-nd/4.0https://edgccjournal.org/EDGCC/article/view/168830

The continuous measurement of CO2 fluxes at the open-top chamber experiment in the ombrotrophic peatland (located in the middle taiga zone, West Siberia, Russia) has been provided during the warm season of 2022 (beginning of June to beginning of October). The Reco, NEE and GPP were calculated for this period; abiotic factors related to CO2 emissions, such as PAR, air temperature, water table level and precipitation, were also measured. The monthly average values showed a negative NEE of -9.89 C g m-2 month-1 in July, a negative GPP of -34.19 C g m-2 month-1 in July, and a positive values Reco of 41.68 C g m-2 month-1 in August. In 2022, the studied peatland hollows were only a carbon stock in July, while in the remaining months they were a source of CO2, which could be caused by small precipitation amount.

The monthly average diurnal variations of CO2 fluxes showed similar behaviour for both the OTC plot and control plot fluxes, which may be explained by the similarity in vegetation cover.

На территории верхового болота, расположенного в среднетаёжной зоне Западной Сибири, на протяжении полевого сезона (с июня по октябрь) 2022 года, были измерены потоки СО2. Измерения проводились на участке мочажины, подверженной влиянию повышения приземной температуры воздуха за счёт установки камер с открытым верхом (OTC-эксперимент). Для исследуемого периода были рассчитаны значения Reco, NEE и GPP; дополнительно измерялись абиотические факторы, такие как ФАР, температура воздуха, уровень грунтовых вод и осадки. Средние показатели за месяц продемонстрировали отрицательное значение NEE -9,89 C г м-2 месяц-1 в июле, отрицательное значение GPP -34,19 C г м -2 мес-1 в июле и положительное значение Reco 41,68 С г м-2 мес-1 в августе. В 2022 году значение NEE для мочажин было отрицательным (поглощение CO2) только в июле, а в остальные месяцы значение NEE было положительным (выделение CO2), что может быть вызвано малым количеством осадков. Среднемесячная суточная динамика потоков CO2 продемонстрировала сходное поведение, как для участка с OTC, так и для контрольных участков, что можно объяснить сходством растительного покрова.

carbon dioxide, net ecosystem exchange, ecosystem respiration automatic chambers, peatland, open-top chamber, West Siberia, seasonal dynamiccarbon dioxide, net ecosystem exchange, ecosystem respiration automatic chambers, peatland, open-top chamber, West Siberia, seasonal dynamicAronson E.L., McNulty S.G. 2009. Appropriate experimental ecosystem warming methods by ecosystem, objective, and practicality. // Agricultural and Forest Meteorology. V. 149. N. 11. P. 1791-1799. https://doi.org/10.1016/j.agrformet.2009.06.007Bahram M., Hildebrand F., Forslund S.K., Anderson J.L., Soudzilovskaia N.A., Bodegom P.M., Bengtsson-Palme J., Anslan S., Coelho L.P., Harend H., Huerta-Cepas J., Medema M.H., Maltz M.R., Mundra S., Olsson P.A., Pent M., Põlme S., Sunagawa S., Ryberg M., Tedersoo L., Bork P. 2018. Structure and function of the global topsoil microbiome. // Nature. V. 560., N. 7717., P. 233-237. https://doi.org/10.1038/s41586-018-0386-6Bligh E.G., Dyer W.J. 1959. A Rapid Method of Total Lipid Extraction and Purification. // Canadian journal of biochemistry and physiology. V. 37., N. 8., P. 911–917. https://doi.org/10.1139/o59-099Cook J., Oreskes N., Doran P.T., Anderegg W.R.L., Verheggen B., Maibach E.W., Carlton J.S., Lewandowsky S., Skuce A.G., Green S.A., Nuccitelli D., Jacobs P., Richardson M., Winkler B., Painting R., Rice K. 2016. Consensus on consensus: a synthesis of consensus estimates on human-caused global warming. // Environmental research letters. V. 11., N. 4. P. 048002. https://doi.org/10.1088/1748-9326/11/4/048002Crowther T.W., Todd-Brown K.E.O., Rowe C.W., Wieder W.R., Carey J.C., Machmuller M.B., Snoek B.L., Fang S., Zhou G., Allison S.D., Blair J.M., Bridgham S.D., Burton A.J., Carrillo Y., Reich P.B., Clark J.S., Classen A.T., Dijkstra F.A., Elberling B., Emmett B.A., Estiarte M., Frey S.D., Guo J., Harte J., Jiang L., Johnson B.R., Kröel-Dulay G., Larsen K.S., Laudon H., Lavallee J.M., Luo Y., Lupascu M., Ma L.N., Marhan S., Michelsen A., Mohan J., Niu S., Pendall E., Peñuelas J., Pfeifer-Meister L., Poll C., Reinsch S., Reynolds L.L., Schmidt I.K., Sistla S., Sokol N.W., Templer P.H., Treseder K.K., Welker J.M., Bradford M.A. 2016. Quantifying global soil carbon losses in response to warming. // Nature. V. 540., N. 7631., P. 104-108. https://doi.org/10.1038/nature20150Dyukarev E., Filippova N., Karpov D., Shnyrev N., Zarov E., Filippov I., Voropay N., Avilov V., Artamonov A., Lapshina E. 2021. Hydrometeorological dataset of West Siberian boreal peatland: a 10-year record from the Mukhrino field station // Earth System Science Data. V. 13., N. 6., P. 2595-2605. https://doi.org/10.5194/essd-13-2595-2021.Golovatskaya E.A., Dyukarev E.A. 2011. Seasonal and diurnal dynamics of CO2 emission from oligotrophic peat soil surface // Russian Meteorology and Hydrology. V. 36., N. 6., P. 413–419Harenda K.M., Lamentowicz M., Samson M., Chojnicki B.H. 2018. The role of peatlands and their carbon storage function in the context of climate change. // Interdisciplinary approaches for sustainable development goals: Economic growth, social inclusion and environmental protection. P. 169–187.Henry G.H.R., Hollister R.D., Klanderud K., Björk R.G., Bjorkman F.D., Elphinstone C., Jónsdóttir I.S., Molau U., Petraglia A., Oberbauer S.F., Rixen C., and Wookey P.A. 2022. The International Tundra Experiment (ITEX): 30 years of research on tundra ecosystems. // Arctic Science. V. 8., N. 3., P. 550-571. https://doi.org/10.1139/as-2022-0041Loisel J., Yu Z., Beilman D.W., Camill P., Alm J., Amesbury M.J., Anderson D., Andersson S., Bochicchio C., Barber K. 2014. A database and synthesis of northern peatland soil properties and Holocene carbon and nitrogen accumulation. // the Holocene. V. 24., N.9., P. 1028–1042.Treat C.C., Kleinen T., Broothaerts N., Dalton A.S., Dommain R., Douglas T.A., Drexler J.Z., Finkelstein S.A., Grosse G., Hope G., Hutchings J., Jones M.C., Kuhry P., Lacourse T., Lähteenoja O., Loisel J., Notebaert B., Payne R.J., Peteet D.M., Sannel A.B.K., Stelling J.M., Strauss J., Swindles G.T., Talbot J., Tarnocai C., Verstraeten G., Williams C.J., Xia Z., Yu Z., Väliranta M., Hättestrand M., Alexanderson H., Brovkin V. 2019. Widespread global peatland establishment and persistence over the last 130,000 y. // Proceedings of the National Academy of Sciences. V. 116., N.11., P. 4822–4827. https://doi.org/10.1073/pnas.1813305116Yu Z.C. 2012. Northern peatland carbon stocks and dynamics: a review. // Biogeosciences. V.9, N.10., P. 4071–4085. https://doi.org/10.5194/bg-9-4071-2012Zeebe R.E., Ridgwell A., Zachos J.C. 2016. Anthropogenic carbon release rate unprecedented during the past 66 million years. // Nature Geoscience. V. 9., N. 4., P. 325–329. https://doi.org/10.1038/ngeo2681Zocatelli R., Li Q., Le Milbeau C., Leroy F., Jacotot A., Laggoun-Défarge F., Guimbaud C., Gogo S. In Prep. Sensibility of microbial communities in peat to environmental conditions revealed by PLFA analysis.