A globally relevant stock of soil nitrogen in the Yedoma permafrost domain
Nitrogen regulates multiple aspects of the permafrost climate feedback, including plant
growth, organic matter decomposition, and the production of the potent greenhouse gas …
growth, organic matter decomposition, and the production of the potent greenhouse gas …
Inhibition of methylmercury and methane formation by nitrous oxide in Arctic tundra soil microcosms
Climate warming causes permafrost thaw predicted to increase toxic methylmercury (MeHg)
and greenhouse gas [ie, methane (CH4), carbon dioxide (CO2), and nitrous oxide (N2O)] …
and greenhouse gas [ie, methane (CH4), carbon dioxide (CO2), and nitrous oxide (N2O)] …
Anthropogenic N input increases global warming potential by awakening the “sleeping” ancient C in deep critical zones
S Qin, H Yuan, C Hu, X Li, Y Wang, Y Zhang… - Science …, 2023 - science.org
Even a small net increase in soil organic carbon (SOC) mineralization will cause a
substantial increase in the atmospheric CO2 concentration. It is widely recognized that the …
substantial increase in the atmospheric CO2 concentration. It is widely recognized that the …
Nitrate-induced hydroxyl radical releases deep soil organic carbon by opening the 'enzyme latch'under micro-aerobic conditions
Deep soils (defined here as soil layers> 1 m beneath the ground) contain a significant
amount of soil organic carbon (SOC) with a relatively slow turnover rate. In oxygen (O 2) limit …
amount of soil organic carbon (SOC) with a relatively slow turnover rate. In oxygen (O 2) limit …
The Effects of N Enrichment on Microbial Cycling of Non-CO2 Greenhouse Gases in Soils—a Review and a Meta-analysis
Terrestrial ecosystems are typically nitrogen (N) limited, but recent years have witnessed N
enrichment in various soil ecosystems caused by human activities such as fossil fuel …
enrichment in various soil ecosystems caused by human activities such as fossil fuel …
Unravelling biogeochemical drivers of methylmercury production in an Arctic fen soil and a bog soil
Arctic tundra soils store a globally significant amount of mercury (Hg), which could be
transformed to the neurotoxic methylmercury (MeHg) upon warming and thus poses serious …
transformed to the neurotoxic methylmercury (MeHg) upon warming and thus poses serious …
Simulated hydrological dynamics and coupled iron redox cycling impact methane production in an Arctic soil
The fate of organic carbon (C) in permafrost soils is important to the climate system due to
the large global stocks of permafrost C. Thawing permafrost can be subject to dynamic …
the large global stocks of permafrost C. Thawing permafrost can be subject to dynamic …
Summer fallow straw mulching and reducing nitrogen fertilization: A promising practice to alleviate environmental risk while increasing yield and economic profits of …
H Zhao, A Mao, H Yang, T Wang, Y Dou, Z Wang… - European Journal of …, 2022 - Elsevier
Drought and excessive nitrogen (N) fertilization impair the sustainability of dryland wheat
production in northern China. These problems could potentially be addressed by combining …
production in northern China. These problems could potentially be addressed by combining …
Nitrate as an alternative electron acceptor destabilizes the mineral associated organic carbon in moisturized deep soil depths
W Song, C Hu, Y Luo, TJ Clough… - Frontiers in …, 2023 - frontiersin.org
Numerous studies have investigated the effects of nitrogen (N) addition on soil organic
carbon (SOC) decomposition. However, most studies have focused on the shallow top soils< …
carbon (SOC) decomposition. However, most studies have focused on the shallow top soils< …
Anaerobic respiration pathways and response to increased substrate availability of Arctic wetland soils
The availability of labile carbon (C) compounds in Arctic wetland soils is expected to
increase due to thawing permafrost and increased fermentation as a result of decomposition …
increase due to thawing permafrost and increased fermentation as a result of decomposition …