Open AccessEstimation of C-CO2 balance of natural steppe ecosystems: Khakassia and Tuva (Eastern Siberia, Russia) case studies
Author(s) -
L. L. Golubyatnikov,
I. N. Kurganova,
V. О. Lopes de Gerenyu
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/606/1/012013
Subject(s) - steppe , ecosystem , carbon sink , environmental science , carbon dioxide , carbon flux , terrestrial ecosystem , natural (archaeology) , carbon cycle , climate change , physical geography , atmospheric sciences , ecology , climatology , geography , geology , biology , archaeology
The study of carbon balance of terrestrial ecosystems is considerable important for the forecasts of climate and environmental changes. Using a geoinformation-analytical method and a climate-driven regression model, we have calculated the C-CO 2 balance of natural steppe ecosystems of Khakassia and Tuva. Our research has shown that natural steppes of the region under study are a significant sink of carbon dioxide from the atmosphere. The intensity of this carbon flux in the region can be estimate as 184±41 gCm −2 yr −1 . The annual absorption of carbon dioxide in the natural steppe ecosystems of Tuva and Khakassia is evaluated as 6.9±2.2 Mt C-CO 2 .