Arctic tundra shrubification: a review of mechanisms and impacts on ecosystem carbon balance

ZA Mekonnen, WJ Riley, LT Berner… - Environmental …, 2021‏ - iopscience.iop.org
Vegetation composition shifts, and in particular, shrub expansion across the Arctic tundra
are some of the most important and widely observed responses of high-latitude ecosystems …

Microbiome assembly in thawing permafrost and its feedbacks to climate

JG Ernakovich, RA Barbato, VI Rich… - Global Change …, 2022‏ - Wiley Online Library
The physical and chemical changes that accompany permafrost thaw directly influence the
microbial communities that mediate the decomposition of formerly frozen organic matter …

Microbial nitrogen and phosphorus co‐limitation across permafrost region

D Zhang, L Wang, S Qin, D Kou, S Wang… - Global Change …, 2023‏ - Wiley Online Library
The status of plant and microbial nutrient limitation have profound impacts on ecosystem
carbon cycle in permafrost areas, which store large amounts of carbon and experience …

Progressive nitrogen limitation across the Tibetan alpine permafrost region

D Kou, G Yang, F Li, X Feng, D Zhang, C Mao… - Nature …, 2020‏ - nature.com
The ecosystem carbon (C) balance in permafrost regions, which has a global significance in
understanding the terrestrial C-climate feedback, is significantly regulated by nitrogen (N) …

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 …

Unexpectedly minor nitrous oxide emissions from fluvial networks draining permafrost catchments of the East Qinghai-Tibet Plateau

L Zhang, S Zhang, X **a, TJ Battin, S Liu… - Nature …, 2022‏ - nature.com
Streams and rivers emit substantial amounts of nitrous oxide (N2O) and are therefore an
essential component of global nitrogen (N) cycle. Permafrost soils store a large reservoir of …

Dwelling in the deep–strongly increased root growth and rooting depth enhance plant interactions with thawing permafrost soil

G Blume‐Werry, A Milbau, LM Teuber… - New …, 2019‏ - Wiley Online Library
Climate‐warming‐induced permafrost thaw exposes large amounts of carbon and nitrogen
in soil at considerable depths, below the seasonally thawing active layer. The extent to …

Mismatch of N release from the permafrost and vegetative uptake opens pathways of increasing nitrous oxide emissions in the high Arctic

F Lacroix, S Zaehle, S Caldararu… - Global change …, 2022‏ - Wiley Online Library
Biogeochemical cycling in permafrost‐affected ecosystems remains associated with large
uncertainties, which could impact the Earth's greenhouse gas budget and future climate …

The cold region critical zone in transition: responses to climate warming and land use change

K Pi, M Bieroza, A Brouchkov, W Chen… - Annual Review of …, 2021‏ - annualreviews.org
Global climate warming disproportionately affects high-latitude and mountainous terrestrial
ecosystems. Warming is accompanied by permafrost thaw, shorter winters, earlier snowmelt …

A globally relevant stock of soil nitrogen in the Yedoma permafrost domain

J Strauss, C Biasi, T Sanders, BW Abbott… - Nature …, 2022‏ - nature.com
Nitrogen regulates multiple aspects of the permafrost climate feedback, including plant
growth, organic matter decomposition, and the production of the potent greenhouse gas …