scholarly journals Temporal stability and maintenance mechanisms of alpine meadow communities under clipping and fertilization

2021 ◽  
Author(s):  
Ting Wang ◽  
Chenglong Guo ◽  
Silin Sang ◽  
Yiting Liu ◽  
Gang Liu ◽  
...  
Keyword(s):  
Alpine Meadow ◽  
Temporal Stability ◽  
Meadow Communities

The effects of long-term fertilization on the temporal stability of alpine meadow communities

2011 ◽  
Vol 345 (1-2) ◽  
pp. 315-324 ◽  
Author(s):  
Zhongling Yang ◽  
Jasper van Ruijven ◽  
Guozhen Du
Keyword(s):  
Alpine Meadow ◽  
Temporal Stability ◽  
Meadow Communities

scholarly journals The temporal stability and maintenance mechanisms of alpine meadow communities under clipping and fertilization

2021 ◽  
Author(s):  
Ting Wang ◽  
Chenglong Guo ◽  
Silin Sang ◽  
Yiting Liu ◽  
Gang Liu ◽  
...  
Keyword(s):  
Human Disturbance ◽  
Alpine Meadow ◽  
Weak Interactions ◽  
Temporal Stability ◽  
Selection Effect ◽  
Experimental Treatment ◽  
The Tibetan Plateau ◽  
Meadow Communities ◽  
Underlying Mechanisms ◽  
The Stability

The effects of human disturbance on the stability of alpine meadow communities, their diversity–stability relationship, and the underlying mechanisms are still not fully understood. Here, we performed a 12-year-long (2007–2018) two-factor (2 × 3) controlled experiment on Kobresia humilis on the Tibetan Plateau. The manipulations included three clipping levels (no clipping, NC; moderate clipping, MC; heavy clipping, HC) and two fertilization levels (no fertilization, NF; fertilization, F). Our results revealed that the two clipping manipulations significantly increased the temporal stability of alpine meadow communities, whose significant increase was more pronounced under the MC than HC treatment. Moreover, asynchrony effects, portfolio effects, and facilitation interactions were all present in the communities under the six types of experimental treatment combinations. Additionally, a selection effect was detected in the compound communities, demonstrating characteristics that are common to different mechanisms. There were no significant differences in the effects of these mechanisms on community temporal stability between the NC–NF and MC–NF interactive communities. The portfolio effects predominated when clipping intensity was moderate under both fertilization and non-fertilization conditions. By contrast, in the compound communities, the selection effect predominated. In summary, we conclude that in meadow communities that undergo clipping and fertilization disturbances, facilitation interactions and weak interactions make a greater contribution toward maintaining their temporal stability.

Response of alpine meadow communities to burrow density changes of plateau pika (Ochotona curzoniae) in the Qinghai-Tibet Plateau

2012 ◽  
Vol 32 (1) ◽  
pp. 44-49 ◽  
Author(s):  
Zheng Gang Guo ◽  
Xiao Feng Li ◽  
Xing Yuan Liu ◽  
Xue Rong Zhou
Keyword(s):  
Alpine Meadow ◽  
Tibet Plateau ◽  
Plateau Pika ◽  
Burrow Density ◽  
Ochotona Curzoniae ◽  
Meadow Communities ◽  
Qinghai Tibet Plateau

scholarly journals Strong positively diversity–productivity relationships in the natural sub-alpine meadow communities across time are up to superior performers

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Kai Jiang ◽  
Zhaoyuan Tan ◽  
Qifang He ◽  
Lu Wang ◽  
Yang Zhao ◽  
...  
Keyword(s):  
Alpine Meadow ◽  
Meadow Communities

scholarly journals On the Balance between Niche and Neutral Processes as Drivers of Community Structure along a Successional Gradient: Insights from Alpine and Sub-alpine Meadow Communities

2007 ◽  
Vol 100 (4) ◽  
pp. 807-812 ◽  
Author(s):  
C.-J. Chu ◽  
Y.-S. Wang ◽  
G.-Z. Du ◽  
F. T. Maestre ◽  
Y.-J. Luo ◽  
...  
Keyword(s):  
Community Structure ◽  
Alpine Meadow ◽  
Neutral Processes ◽  
Meadow Communities ◽  
Successional Gradient

scholarly journals Dominant Plant Functional Group Determine the Response of the Temporal Stability of Plant Community Biomass to 9-Year Warming on the Qinghai–Tibetan Plateau

2021 ◽  
Vol 12 ◽  
Author(s):  
Chengyang Li ◽  
Chimin Lai ◽  
Fei Peng ◽  
Xian Xue ◽  
Quangang You ◽  
...  
Keyword(s):  
Tibetan Plateau ◽  
Plant Community ◽  
Functional Group ◽  
Alpine Meadow ◽  
Temporal Stability ◽  
Ecosystem Responses ◽  
Moisture Condition ◽  
Soil Moisture Condition ◽  
Plant Functional Group ◽  
Significant Change

Ecosystem stability characterizes ecosystem responses to natural and anthropogenic disturbance and affects the feedback between ecosystem and climate. A 9-year warming experiment (2010–2018) was conducted to examine how climatic warming and its interaction with the soil moisture condition impact the temporal stability of plant community aboveground biomass (AGB) of an alpine meadow in the central Qinghai-Tibetan Plateau (QTP). Under a warming environment, the AGB percentage of grasses and forbs significantly increased but that of sedges decreased regardless of the soil water availability in the experimental plots. The warming effects on plant AGB varied with annual precipitation. In the dry condition, the AGB showed no significant change under warming in the normal and relatively wet years, but it significantly decreased in relatively drought years (16% in 2013 and 12% in 2015). In the wet condition, the AGB showed no significant change under warming in the normal and relatively drought years, while it significantly increased in relatively wet years (12% in 2018). Warming significantly decreased the temporal stability of AGB of plant community and sedges. Species richness remained stable even under the warming treatment in both the dry and wet conditions. The temporal stability of AGB of sedges (dominant plant functional group) explained 66.69% variance of the temporal stability of plant community AGB. Our findings highlight that the temporal stability of plant community AGB is largely regulated by the dominant plant functional group of alpine meadow that has a relatively low species diversity.

Effect of available burrow densities of plateau pika(Ochotona curzoniae) on plant niche of alpine meadow communities in the Qinghai-Tibet Plateau

2014 ◽  
Vol 34 (4) ◽  
Author(s):  
贾婷婷 JIA Tingting ◽  
毛亮 MAO Liang ◽  
郭正刚 GUO Zhenggang
Keyword(s):  
Alpine Meadow ◽  
Tibet Plateau ◽  
Plateau Pika ◽  
Ochotona Curzoniae ◽  
Meadow Communities ◽  
Qinghai Tibet Plateau

Fertilization and litter effects on the functional group biomass, species diversity of plants, microbial biomass, and enzyme activity of two alpine meadow communities

2010 ◽  
Vol 331 (1-2) ◽  
pp. 377-389 ◽  
Author(s):  
Changting Wang ◽  
Ruijun Long ◽  
Qilan Wang ◽  
Wei Liu ◽  
Zengchun Jing ◽  
...  
Keyword(s):  
Enzyme Activity ◽  
Species Diversity ◽  
Microbial Biomass ◽  
Functional Group ◽  
Alpine Meadow ◽  
Meadow Communities
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