Results 171 to 180 of about 155,595 (206)

Degradation induces changes in the soil C:N:P stoichiometry of alpine steppe on the Tibetan Plateau

Journal of Mountain Science, 2019
Due to the Tibetan Plateau’s unique high altitude and low temperature climate conditions, the region’s alpine steppe ecosystem is highly fragile and is suffering from severe degradation under the stress of increasing population, overgrazing, and climate change.
Tian-Xing Wei
exaly   +2 more sources

Alpine Steppe Ecosystem

2020
This chapter focuses on Chinese alpine steppe ecosystems. It introduces in brief the areal extent and provincially based distribution of this ecosystem type, simply discusses the relevant physical features and climatic characteristics at a regional scale, elaborates in great detail upon the flora, fauna, and microflora composing the various alpine ...
Linghao Li, Jiquan Chen, Xingguo Han, Wenhao Zhang, Changliang Shao   +4 more
openaire   +1 more source

Alpine steppe degradation: status, causes, and trends

Wenyin Wang, Shanshan Li, A. Allan Degen, Devendra Gauchan, Zhanhuan Shang   +4 more
exaly   +2 more sources

Carbon Balance in an Alpine Steppe in the Qinghai‐Tibet Plateau

Journal of Integrative Plant Biology, 2009
Abstract Carbon fluxes were measured using a static chamber technique in an alpine steppe in the Qinghai‐Tibet Plateau from July 2000 to July 2001. It was shown that carbon emissions decreased in autumn and increased in spring of the next year, with higher values in growth seasons than in winters.
Zhi-Yong, Pei, Hua, Ouyang, Cai-Ping, Zhou, Xing-Liang, Xu   +3 more
openaire   +2 more sources

Alpine steppe plant communities of the Tibetan highlands

Applied Vegetation Science, 2011
AbstractAim: To present a first description of plant communities of the Tibetan alpine steppes based on floristically complete vegetation records as a baseline reference for future ecological and palaeoecological studies. These constitute the world's largest alpine biome, but their vegetation is virtually unknown.
Georg Miehe, Kerstin Bach, Sabine Miehe, Jürgen Kluge, Yang Yongping, La Duo, Sonam Co, Karsten Wesche   +7 more
openaire   +1 more source

Divergences of soil carbon turnover and regulation in alpine steppes and meadows on the Tibetan Plateau

Science of The Total Environment, 2022
The grasslands of the Tibetan Plateau store approximately 2.5% of global soil organic carbon (SOC) and considerable soil inorganic carbon (SIC) and have the potential to become a vast carbon source or sink as climate change progresses. However, the soil carbon (C) sequestration mechanisms that occur across large-scale natural gradients remain unclear ...
Yanzhang, Huang, Zhongbao, Xin, Jinhao, Liu, Qianjin, Liu   +3 more
openaire   +2 more sources

Disentangling the assembly mechanisms of bacterial communities in a transition zone between the alpine steppe and alpine meadow ecosystems on the Tibetan Plateau

Science of The Total Environment, 2022
Alpine meadows and alpine steppes are two major grassland types distributed on the Tibetan Plateau. Due in large part to the differences in hydrothermal and nutrient conditions following the thawing of lakeshore permafrost, alpine meadows and alpine steppes which are characterized by disparate above- and below-ground biomass, could emerge together in ...
Shuren, Wang, Congcong, Jiao, Dayong, Zhao, Jin, Zeng, Peng, Xing, Yongqin, Liu, Qinglong L, Wu   +6 more
openaire   +2 more sources

Plant community of alpine steppe shows stronger association with soil properties than alpine meadow alongside degradation

Science of The Total Environment, 2020
The interaction between soil properties and plant community determines the efficacy to restore the degraded grassland via improving soil properties. We conducted a field survey to investigate the relationship between plant community composition and soil physical and chemical properties alongside different degradation stages of alpine grassland. Results
Fei Peng, Xian Xue, Chengyang Li, Chimin Lai, Jian Sun, Mitsuru Tsubo, Atsushi Tsunekawa, Tao Wang   +7 more
openaire   +2 more sources

Depression of net ecosystem CO2 exchange in semi-arid Leymus chinensis steppe and alpine shrub

Agricultural and Forest Meteorology, 2006
Uptake and release of carbon in grassland ecosystems is very critical to the global carbon balance and carbon storage. In this study, the dynamics of net ecosystem CO2 exchange (FNEE) of two grassland ecosystems were observed continuously using the eddy ...
Yingnian Li, Guirui Yu, Xiao-Min Sun
exaly   +1 more source

Divergence in ecosystem carbon fluxes and soil nitrogen characteristics across alpine steppe, alpine meadow and alpine swamp ecosystems in a biome transition zone

Science of The Total Environment, 2020
Alpine ecosystem carbon cycling is sensitive to climate change, particularly in the transition zones between biomes. Soil nitrogen conditions, including the ammonium to nitrate (NH4+/NO3-) ratio, regulate ecosystem carbon uptake by coupling carbon‑nitrogen cycle.
Yongwen, Liu, Xiaodong, Geng, , Tenzintarchen, Da, Wei, Dongxue, Dai, , Xu-Ri   +5 more
openaire   +2 more sources