Holocene vegetation dynamics of circum-Arctic permafrost peatlands

RE Fewster, PJ Morris, GT Swindles… - Quaternary Science …, 2023 - Elsevier
Vegetation shifts in circum-Arctic permafrost peatlands drive feedbacks with important
consequences for peatland carbon budgets and the extent of permafrost thaw under …

Soil respiration and its response to climate change and anthropogenic factors in a karst plateau wetland, southwest China

H Jia, X Fei, J Zhu, W Chen, R Chen, Z Liao, B Zhou… - Scientific Reports, 2024 - nature.com
It is important to investigate the responses of greenhouse gases to climate change
(temperature, precipitation) and anthropogenic factors in plateau wetland. Based on the …

Persistent net release of carbon dioxide and methane from an Alaskan lowland boreal peatland complex

ES Euskirchen, CW Edgar, ES Kane… - Global Change …, 2024 - Wiley Online Library
Permafrost degradation in peatlands is altering vegetation and soil properties and impacting
net carbon storage. We studied four adjacent sites in Alaska with varied permafrost regimes …

Methylotrophy in the Mire: direct and indirect routes for methane production in thawing permafrost

JB Ellenbogen, MA Borton, BB McGivern, DR Cronin… - Msystems, 2024 - Am Soc Microbiol
While wetlands are major sources of biogenic methane (CH4), our understanding of resident
microbial metabolism is incomplete, which compromises the prediction of CH4 emissions …

Controls on saturated hydraulic conductivity in a degrading permafrost peatland complex

RE Fewster, PJ Morris, GT Swindles… - Water Resources …, 2023 - Wiley Online Library
Permafrost peatlands are vulnerable to rapid structural changes under climatic warming,
including vertical collapse. Peatland water budgets, and therefore peat hydraulic properties …

Microbiome–metabolite linkages drive greenhouse gas dynamics over a permafrost thaw gradient

V Freire-Zapata, H Holland-Moritz, DR Cronin… - Nature …, 2024 - nature.com
Interactions between microbiomes and metabolites play crucial roles in the environment, yet
how these interactions drive greenhouse gas emissions during ecosystem changes remains …

Virus ecology and 7‐year temporal dynamics across a permafrost thaw gradient

CL Sun, AA Pratama, MC Gazitúa… - Environmental …, 2024 - Wiley Online Library
Soil microorganisms are pivotal in the global carbon cycle, but the viruses that affect them
and their impact on ecosystems are less understood. In this study, we explored the diversity …

Emerging investigator series: preferential adsorption and coprecipitation of permafrost organic matter with poorly crystalline iron minerals

E Voggenreiter, P Schmitt-Kopplin… - … Science: Processes & …, 2024 - pubs.rsc.org
Future permafrost thaw will likely lead to substantial release of greenhouse gases due to
thawing of previously unavailable organic carbon (OC). Accurate predictions of this release …

Soil incubation methods lead to large differences in inferred methane production temperature sensitivity

Z Li, RF Grant, KY Chang, SB Hodgkins… - Environmental …, 2024 - iopscience.iop.org
Quantifying the temperature sensitivity of methane (CH 4) production is crucial for predicting
how wetland ecosystems will respond to climate warming. Typically, the temperature …

Detecting soil freeze-thaw dynamics with C-band SAR over permafrost in Northern Sweden and seasonally frozen grounds in the Tibetan Plateau, China

A Taghavi-Bayat, T Ullmann, B Riedel… - International Journal of …, 2024 - Taylor & Francis
The soil freeze-thaw (FT) state plays a significant role in cold ecosystems by influencing
hydrology, geomorphology, ecology, thermodynamics, and soil chemistry. As climate …