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DOI10.1016/j.accre.2020.07.002
Impacts of climate-induced permafrost degradation on vegetation: A review
Jin X.-Y.; Jin H.-J.; Iwahana G.; Marchenko S.S.; Luo D.-L.; Li X.-Y.; Liang S.-H.
Date Issued2020
ISSN1674-9278
Other AbstractUnder a warming climate, degrading permafrost profoundly and extensively affects arctic and alpine ecology. However, most existing relevant studies are more focused on the hydrothermal impacts of vegetation on the underlying permafrost, or symbiosis between vegetation and permafrost, only very few on ecological impacts of permafrost degradation. Additionally, there are much more pertinent investigations in arctic and boreal regions than those in alpine and high-plateau regions at mid- and low latitudes. This study emphasizes on the impact mechanisms of permafrost degradation on vegetation both at high and mid-to low latitudes, addressing vegetation succession trajectories and associated changes in soil hydrology and soil nutrient above degrading permafrost. Permafrost degradation influences vegetation by altering soil hydrology, soil biogeochemical processes and microbial communities, which further improve soil nutrient availability. Furthermore, under a warming climate, vegetation may take two successional trajectories, towards a wetter or drier ecosystem within a certain time period, but to a drier ecosystem in the end upon the thaw of permafrost in case of permeable soils and good drainage. Thus, with rapidly developing remote-sensing and other space- and ground-based and air-borne observational networks and numerical predictive models, the impacting mechanisms of permafrost degradation on vegetation should be timely and better monitored, evaluated and modeled at desired spatiotemporal scales and resolutions by terrestrial or integrated ecosystem models. © 2020 National Climate Center (China Meteorological Administration)
Language英语
journalAdvances in Climate Change Research
Source Publication中国科学院西北生态环境资源研究院
Document Type期刊论文
Identifierhttp://gcip.llas.ac.cn/handle/2XKMVOVA/168750
AffiliationNortheast-China Observatory and Research-Station of Permafrost Geo-Environment-Ministry of Education, Institute of ColdRegions Engineering and Environment and School of Civil Engineering, Northeast Forestry University, Harbin, 150040, China; State Key Laboratory of Frozen Soils Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China; International Arctic Research Center, University of Alaska Fairbanks, Fairbanks, 99775, United States; Permafrost Lab, Geophysical Institute, University of Alaska Fairbanks, Fairbanks, 99775, United States; School of Water Resources and Environment, China University of Geosciences, Beijing, 100083, China
Recommended Citation
GB/T 7714
Jin X.-Y.,Jin H.-J.,Iwahana G.,et al. Impacts of climate-induced permafrost degradation on vegetation: A review[J]. 中国科学院西北生态环境资源研究院,2020.
APA Jin X.-Y..,Jin H.-J..,Iwahana G..,Marchenko S.S..,Luo D.-L..,...&Liang S.-H..(2020).Impacts of climate-induced permafrost degradation on vegetation: A review.Advances in Climate Change Research.
MLA Jin X.-Y.,et al."Impacts of climate-induced permafrost degradation on vegetation: A review".Advances in Climate Change Research (2020).
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