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 …
favor of organic N compounds is based on the observation that net N mineralization rates in …
Impacts of chronic nitrogen additions vary seasonally and by microbial functional group in tundra soils
Previous studies have shown that fertilization with nitrogen depresses overall microbial
biomass and activity in soil. In the present study we broaden our understanding of this …
biomass and activity in soil. In the present study we broaden our understanding of this …
Soil microbial responses to 28 years of nutrient fertilization in a subarctic heath
Arctic and subarctic soils are typically characterized by low nitrogen (N) availability,
suggesting N-limitation of plants and soil microorganisms. Climate warming will stimulate …
suggesting N-limitation of plants and soil microorganisms. Climate warming will stimulate …
Increased above-and belowground plant input can both trigger microbial nitrogen mining in subarctic tundra soils
Low nitrogen (N) availability in the Arctic and Subarctic constrains plant productivity,
resulting in low litter inputs to soil. Increased N availability and litter inputs as a result of …
resulting in low litter inputs to soil. Increased N availability and litter inputs as a result of …
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 …
carbon cycle in permafrost areas, which store large amounts of carbon and experience …
Warming suppresses microbial biomass but enhances N recycling
W Gao, D Yan - Soil Biology and Biochemistry, 2019 - Elsevier
Temperate grasslands are semi-arid ecosystems where plant growth and productivity are
constrained not only by water, but also by nitrogen (N). However, rising temperatures may …
constrained not only by water, but also by nitrogen (N). However, rising temperatures may …
A frozen feast: Thawing permafrost increases plant‐available nitrogen in subarctic peatlands
Many of the world's northern peatlands are underlain by rapidly thawing permafrost.
Because plant production in these peatlands is often nitrogen (N)‐limited, a release of N …
Because plant production in these peatlands is often nitrogen (N)‐limited, a release of N …
Adding depth to our understanding of nitrogen dynamics in permafrost soils
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 …
plants, but nitrogen availability partially limits plant growth in tundra ecosystems. In this soil …
Temporal variability in plant and soil nitrogen pools in a high-Arctic ecosystem
This study determined temporal variability in N pools, both aboveground and belowground,
across two contrasting plant communities in high-Arctic Spitsbergen, Svalbard (78° N). We …
across two contrasting plant communities in high-Arctic Spitsbergen, Svalbard (78° N). We …
Interactions between plants, litter and microbes in cycling of nitrogen and phosphorus in the arctic
S Jonasson, J Castro, A Michelsen - Soil Biology and Biochemistry, 2006 - Elsevier
Estimated nutrient mineralization in northern nutrient-poor ecosystems, measured as
differences in soil inorganic nutrients before and after a period of soil incubation in the …
differences in soil inorganic nutrients before and after a period of soil incubation in the …