A review of the importance of mineral nitrogen cycling in the plant-soil-microbe system of permafrost-affected soils—changing the paradigm

E Ramm, C Liu, P Ambus… - Environmental …, 2022 - iopscience.iop.org
The paradigm that permafrost-affected soils show restricted mineral nitrogen (N) cycling in
favor of organic N compounds is based on the observation that net N mineralization rates in …

Adjustment of microbial nitrogen use efficiency to carbon: nitrogen imbalances regulates soil nitrogen cycling

M Mooshammer, W Wanek, I Hämmerle… - Nature …, 2014 - nature.com
Microbial nitrogen use efficiency (NUE) describes the partitioning of organic N taken up
between growth and the release of inorganic N to the environment (that is, N mineralization) …

[HTML][HTML] Input of easily available organic C and N stimulates microbial decomposition of soil organic matter in arctic permafrost soil

B Wild, J Schnecker, RJE Alves, P Barsukov… - Soil Biology and …, 2014 - Elsevier
Rising temperatures in the Arctic can affect soil organic matter (SOM) decomposition directly
and indirectly, by increasing plant primary production and thus the allocation of plant …

Complex crop rotations improve organic nitrogen cycling

LC Breza, M Mooshammer, TM Bowles, VL Jin… - Soil Biology and …, 2023 - Elsevier
Nitrogen (N) availability in agroecosystems is often poorly coupled to plant N uptake,
leading to inefficient fertilizer use and environmental losses. Building soil organic N pools …

Contrasting drivers of belowground nitrogen cycling in a montane grassland exposed to a multifactorial global change experiment with elevated CO2, warming, and …

TL Maxwell, A Canarini, I Bogdanovic… - Global Change …, 2022 - Wiley Online Library
Depolymerization of high‐molecular weight organic nitrogen (N) represents the major
bottleneck of soil N cycling and yet is poorly understood compared to the subsequent …

Adding depth to our understanding of nitrogen dynamics in permafrost soils

VG Salmon, C Schädel, R Bracho… - Journal of …, 2018 - Wiley Online Library
Losses of C from decomposing permafrost may be offset by increased productivity of tundra
plants, but nitrogen availability partially limits plant growth in tundra ecosystems. In this soil …

[HTML][HTML] Long-term warming of a forest soil reduces microbial biomass and its carbon and nitrogen use efficiencies

Y Tian, A Schindlbacher, CU Malo, C Shi… - Soil Biology and …, 2023 - Elsevier
Global warming impacts biogeochemical cycles in terrestrial ecosystems, but it is still
unclear how the simultaneous cycling of carbon (C) and nitrogen (N) in soils could be …

Distinct microbial communities associated with buried soils in the Siberian tundra

A Gittel, J Bárta, I Kohoutová, R Mikutta… - The ISME …, 2014 - academic.oup.com
Cryoturbation, the burial of topsoil material into deeper soil horizons by repeated freeze–
thaw events, is an important storage mechanism for soil organic matter (SOM) in permafrost …

Microbiogeochemical traits to identify nitrogen hotspots in permafrost regions

C Fiencke, ME Marushchak, T Sanders, R Wegner… - Nitrogen, 2022 - mdpi.com
Permafrost-affected tundra soils are large carbon (C) and nitrogen (N) reservoirs. However,
N is largely bound in soil organic matter (SOM), and ecosystems generally have low N …

Permafrost nitrogen status and its determinants on the Tibetan Plateau

C Mao, D Kou, L Chen, S Qin, D Zhang… - Global Change …, 2020 - Wiley Online Library
It had been suggested that permafrost thaw could promote frozen nitrogen (N) release and
modify microbial N transformation rates, which might alter soil N availability and then …