Xiaoguang Wang

Xiaoguang Wang
Institute of Applied Ecology, Chinese Academy of Science · Institute of Applied Ecology

PhD

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19
Publications
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201
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Publications

Publications (19)
Article
The concentrations and stoichiometry of soil carbon (C), nitrogen (N), and phosphorus (P) have critical implications for nutrient cycling and ecosystem function. While their high sensitivity to atmospheric N deposition is well known, it remains unclear for the soil depth-dependence of such responses to N deposition. Here, we examined the responses...
Article
A ring-width series was developed from Dahurian larch (Larix gmelinii) in the northeastern forest area of Inner Mongolia, China. By analyzing the relationships between tree-ring data and climate records, an August–September mean maximum temperature (T89) series during 1845 and 2012 was reconstructed based on a simple linear regression equation. Thi...
Article
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Aims Understanding the patterns and drivers of carbon isotope discrimination ( 13Δ) in C3 and C4 functional groups is critical for predicting C3/C4 vegetation ratio from the isotopic composition of soil organic matter. In this study, we aimed to evaluate how intraspecific variation will modify functional group-level 13Δ values and the associated pr...
Article
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Forage yield is the fundamental ecosystem service of grasslands. While the quantitative responses of forage yield to nitrogen (N) enrichment are well known, its qualitative responses remain unclear. Even less known is the relative contribution of changes in community composition to the quality of the yield at the community level. We examined the qu...
Article
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In this study, the mean temperature of June to July was reconstructed for the period of 1880 to 2014 by using the Larix gmelinii tree-ring width data for the Mangui region in the northern Daxing’an Mountains, China. The reconstruction accounts for 43.6% of the variance in the temperature observed from AD 1959–2014. During the last 134 years, there...
Article
A ring‐width chronology of Larix gmelinii (LG) was developed in the northern Greater Khingan Mountains region of China. The response function analyses revealed that the local mean minimum temperature of January‐March (T1‐3) was the most limiting factor affecting the radial growth of LG trees. Based on correlation analysis, a reconstructed T1‐3 seri...
Article
Atmospheric nitrogen (N) deposition has important effects on soil microbial community diversity and composition. While it is well-known that mowing, a widely used grassland management strategy, could mediate the impacts of N enrichment on macro-organism community composition, much less known is the intra-annual variation of soil microbial community...
Article
Changes in soil carbon (C): nitrogen (N): phosphorus (P) stoichiometric ratios have significant influences on biogeochemical cycles and ecosystem functions. Soil C, N, and P dynamics are closely related to climatic aridity and soil texture, two factors that are not easily separated at large spatial scale due to their geographic co-variation. While...
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Background and aims Variations in plant nitrogen (N) and phosphorus (P) concentrations and ratios have great implications for primary productivity and nutrient cycling. Here, we reported their changes at functional group and community levels along an aridity gradient. Methods We carried out a field investigation and set up 26 sampling sites along...
Article
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In this study, ring-width chronology of Picea jezoensis var. microsperma from the Changbai Mountain (CBM) area, Northeast China, was constructed. Growth/climate responses suggested that mean maximum temperature (Tmax) was the limiting factor affecting radial growth of PJ trees in the study region. According to the correlation analysis between the r...
Article
There is considerable debate regarding how the taxonomic diversity of microbial communities relates to the functional diversity across space while similar questions have been explored in macro-organism communities. Here, we investigated the taxonomic and functional diversity patterns of soil microbial communities by coupling the data obtained from...
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Background and aims The nitrogen isotope composition (δ¹⁵N) of plants in arid and semiarid grasslands is affected by environmental factors, especially water availability. Nevertheless, it is unclear whether the response of δ¹⁵N to water availability differs between C3 and C4 photosynthetic pathways. Methods We investigated plant δ¹⁵N of coexisting...
Article
The co-existence of micro-patches in plant community is one of the basic characteristics of grazing pasture, which affects ecosystem structure and functioning. In this study, we investigated characteristics of plant communities, primary productivity, soil physical and chemical properties, plant nutrient content, and their correlations in different...
Article
Chemical elements, such as carbon (C), nitrogen (N) and phosphorus (P), are major limiting nutrients in arid and semiarid grasslands and their stoichiometry (C:N:P) is a very important ratio to determine. In addition, it is critical to understand how plant stoichiometry responds to multiple environmental factors at the species level. In this study,...
Article
Climate factors such as aridity significantly influence soil carbon (C) and nitrogen (N) stocks in terrestrial ecosystems. Further, soil texture plays an important role in driving changes of soil C and N contents at regional scale. However, it remains uncertain whether such changes resulted from the variation of different soil particle–size faction...
Article
Full-text available
Climate factors such as aridity significantly influence soil carbon (C) and nitrogen (N) stocks in terrestrial ecosystems. Further, soil composition plays an important role in driving changes of soil C and N stocks at regional scale. However, it remains uncertain whether such changes result from the variation of different soil particle-size faction...
Article
In this study, solubilization of PAHs from a manufactured gas plant (MGP) soil and two artificially spiked soils using fatty acid methyl esters (FAME) was investigated. PAH removals from both the MGP and the spiked soils by FAME, methanol, soybean oil, hydroxypropyl-beta-cyclodextrin, Triton X-100, and Tween 80 were compared. The effect of FAME:MGP...

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Project (1)
Archived project
Provide some insights into forage quality