The Impact of Wildfires on Soil CO2 Emission in Middle Taiga Forests in Central Siberia : научное издание

Makhnykina Anastasia; Panov Alexey; Prokushkin Anatoly

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База данных: Каталог библиотеки СФУ

Библиографическое описание: The Impact of Wildfires on Soil CO2 Emission in Middle Taiga Forests in Central Siberia : научное издание / A. A. Makhnykina, A. A. Panov, A. A. Prokushkin. - Текст : непосредственный // Land. - 2023. - Т. 12, № 8. - P. 1544. - ISSN 2073-445X, DOI 10.3390/land12081544.

Аннотация: Boreal forest ecosystems are regions vulnerable to climate change. Such areas act as the main atmospheric carbon sinks in the world. Wildfires are among the drivers of ecosystem modification and functioning. Boreal wildfires emit an annual average of about 10% of global fire emissions. Taking into account recent climate warming and increases in the frequency of wildfires, boreal forests might switch their functional role from carbon sink to an additional source of atmospheric carbon. Soil respiration is the second largest component of the global carbon cycle and is highly sensitive to disturbance factors, including wildfires. To study the effect of wildfires on soil CO2 emission rates, the fire chronosequence was investigated. During the first few years following the fire, the soil CO2 emission rates were lower compared with the usual levels. It was found that 23 years after a fire, the site demonstrated transition behavior in soil emission rates between disturbed and completely recovered areas. The emission rates at the earliest successional stages are mainly controlled by soil moisture during the summer period. For the other successional stages, soil temperature had a huge impact on soil emission.

Год издания: 2023

Авторы: Makhnykina Anastasia , Panov Alexey , Prokushkin Anatoly

Источник: Land

Выпуск: Т. 12, № 8

Номера страниц: 1544

Держатель оригинала документа: Laboratory of Ecosystem Biogeochemistry, Siberian Federal University, Krasnoyarsk 660041, Russia, Sukachev Institute of Forest SB RAS, Krasnoyarsk 660036, Russia

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The Impact of Wildfires on Soil CO2 Emission in Middle Taiga Forests in Central Siberia : научное издание
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