Yanbin Hao's research while affiliated with Chinese Academy of Sciences and other places
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Publications (126)
Aim
Species–area relationships (SAR) are widely utilized for estimating the species richness and its spatial turnover across various scales. Despite the prevalent characterization of SAR using the power law in many microbial community studies, its efficacy remains unvalidated. This study aims to characterize the microbial SAR and its mechanisms in...
Differences in progress across sustainable development goals (SDGs) are widespread globally; meanwhile, the rising call for prioritizing specific SDGs may exacerbate such gaps. Nevertheless, how these progress differences would influence global sustainable development has been long neglected. Here, we present the first quantitative ssessment of SDG...
In alpine meadows, plants and soil microbes typically engage in competition for nitrogen (N) under N-deficient conditions. However, the acquisition and distribution of N among soil microbes and plants under alpine meadow degradation and climate warming induced by global climate change are still uncharacterized. In this study, we isotope labeled ino...
The Bowen ratio (β), which is the ratio of sensible heat (H) to latent heat (LE), reflects the energy balance and partitioning processes among soil, vegetation, and the atmosphere. Although the spatial patterns of β have been clearly delineated, the importance of vegetation in the spatial variation of β is frequently underestimated. Revealing the s...
Increasingly frequent and severe droughts are occurring in multiple seasons of a year in many dryland ecosystems , with unknown impacts on the role of drylands in cycling of methane (CH 4), a potent greenhouse gas. In particular, there is limited understanding of how drought occurring at different times within the growing season regulates biologica...
Temperate grassland (TG) and alpine grassland (AG) are two distinct grassland types with different climatic backgrounds and adaptation patterns. Little is known about the universal and divergent responses of TGs and AGs to climate change, particularly with regard to the carbon (C) fluxes. The large-scale responses of the C fluxes in different grass...
The extensive application of eddy covariance technology in studying water and carbon fluxes has largely enhanced our understanding of carbon sinks and sources in terrestrial ecosystems. However, the carbon dynamics of Yanshan Mountain (a crucial ecological barrier for Beijing) stills remain unclear, especially in relation to regional representative...
Purpose
The escalation of nitrogen (N) deposition has resulted in phosphorus (P) limitation in alpine grasslands on the Qinghai–Tibetan Plateau (QTP). However, the impact of N deposition affects soil P transformations in alpine grasslands, and whether there is a universal pattern of N-induced soil P fraction change in terrestrial ecosystems is stil...
Sustainable livelihoods (SL) have emerged as a crucial area of focus in global environmental change research, aligning with the Sustainable Development Goals (SDGs). This field is rapidly gaining prominence in sustainability science and has become one of the primary research paradigms. In our study, we conducted scientometrics analysis using the IS...
Structural information of grassland changes on the Tibetan Plateau is essential for understanding alterations in critical ecosystem functioning and their underlying drivers that may reflect environmental changes. However, such information at the regional scale is still lacking due to methodological limitations. Beyond remote sensing indicators only...
The annual gross primary productivity (AGPP) is the basis of food production and carbon sequestration in terrestrial ecosystems. An accurate assessment of regional AGPP can provide a theoretical basis for analyzing the spatiotemporal variation of AGPP and ensuring regional food security and mitigating climate change trends. Based on Chinese Flux Ob...
Diverse microorganisms drive biogeochemical cycles and consequently influence ecosystem-level processes in alpine peatlands, which are vulnerable to extreme drought induced by climate change. However, there are few reports about the effects of extreme drought on microbial function. Here we identify microbial functional genes associated with carbon...
Complex ecosystems exhibit more nonlinearity and stochasticity than the simple ones, rendering timely and accurate detection regime shifts in complex dynamic ecosystems a challenge. To resolve this dilemma, one of the most critical steps is to determine and quantify the equilibrium states reached by complex ecosystems under a given disturbance. Thi...
Heavy rainfalls caused by global warming are increasing widespread in the future. As the second greenhouse gas, the biological processes of methane (CH4) uptake would be strongly affected by heavy rainfalls. However, how seasonal timing and plant composition affect CH4 uptake in response to heavy rainfalls is largely unknown. Here, we conducted a m...
Livestock overgrazing and climate change have been identified as the primary causes
of grassland degeneration and biodiversity decline, yet the underlying mechanism
remains unclear. To gain a better understanding of this, we conducted a meta-analysis
of 91 local or regional field studies from 26 countries across all inhabited continents.
Using...
The importance of the rare microbial biosphere in maintaining biodiversity and ecological functions has been highlighted recently. However, the current understanding of the spatial distribution of rare microbial taxa is still limited, with only a few investigations for rare prokaryotes and virtually none for rare fungi. Here, we investigated the sp...
Soil microbes play a crucial role in myriad ecological processes in terrestrial ecosystem. With increasing nitrogen (N) loading, phosphorus (P) may become more limiting for soil microbes and these processes. However, it remains unclear to what extent P addition impacts soil microbial communities and respiration at global scale, especially under dif...
Soil nematodes play pivotal roles in the soil food web. However, the trophic regulation on nematodes in the soil micro‐food web and its temporal dynamics are less explored. Here, we investigated the seasonal dynamics of soil nematode community in an alpine grassland on the Qinghai‐Tibet Plateau at non‐degraded (ND), moderately degraded (MD) and sev...
Peatlands act as an important sink of carbon dioxide (CO2). Yet, they are highly sensitive to climate change, especially to extreme drought. The changes in the net ecosystem CO2 exchange (NEE) under extreme drought events, and the driving function of microbial enzymatic genes involved in soil organic matter (SOM) decomposition, are still unclear. H...
Soil microbial communities are crucial in ecosystem-level decomposition and nutrient cycling processes and are sensitive to climate change in peatlands. However, the response of the vertical distribution of microbial communities to warming remains unclear in the alpine peatland. In this study, we examined the effects of warming on the vertical patt...
The grassland in the Hindu Kush Himalayan (HKH) region is one of the largest and most biodiverse mountain grassland types in the world, and its ecosystem service functions have profound impacts on the sustainable development of the HKH region. Monitoring the spatiotemporal distribution of grassland aboveground biomass (AGB) accurately and quantifyi...
Grasslands on the Qinghai–Tibetan Plateau (QTP) foster biodiversity, store carbon, maintain productivity and support pastoral livelihoods. These systems are being altered by climate change and anthropogenic activities, but the relative importance of these drivers are still debated. This Review examines QTP grassland changes since the 1980s and disc...
Resources can affect plant productivity and biodiversity simultaneously and thus are key drivers of their relationships in addition to plant-plant interactions. However, most previous studies only focused on a single resource while neglecting the nature of resource multidimensionality. Here we integrated four essential resources for plant growth in...
Globally, droughts are the most widespread climate factor impacting carbon (C) cycling. However, as the second-largest terrestrial C flux, the responses of soil respiration (Rs) to extreme droughts co-regulated by seasonal timing and PFT (plant functional type) are still not well understood. Here, a manipulative extreme-duration drought experiment...
As global change continues to intensify, the mode and rate of nitrogen input from the atmosphere to grassland ecosystems had changed dramatically. Firstly, we conducted a systematic analysis of the literature on the topic of nitrogen deposition impacts over the past 30 years using a bibliometric analysis. A systematic review of the global research...
Model predictions indicate that extreme drought events will occur more frequently by the end of this century, with major implications for terrestrial ecosystem functions such as plant productivity and soil respiration. Previous studies have shown that drought-induced ethylene produced by plants is a key factor affecting plant growth and development...
The plant productivity and species richness (P-SR) relationship has been a central topic in ecology for decades. It is increasingly recognized that climate resources (CR, temperature and precipitation) might affect the P-SR relationship as (1) the response of plant productivity and species richness to CR are different; (2) plant-plant interactions...
Purpose
Grasslands are the largest type of terrestrial ecosystem on the earth, providing rich and unique ecosystem services. However, climate change and human activities have triggered a global degradation of grasslands, which has become a major ecological crisis. In this study, a scientometric analysis was performed to explore the hotspots and fro...
Livelihood resilience is crucial for both people and the environment, especially in remote and harsh ecosystems, such as the Qinghai–Tibetan Plateau (QTP). This research aimed to fill the gap of assessing herders' livelihood resilience using more inclusive method. Using survey data from 758 pastoralists, complemented with focus group discussions an...
Nitrous oxide (N2O), the third most important greenhouse gas, contributes to the increasing frequency and severity of climate extremes. Disentangling feedbacks of climate extremes on terrestrial N2O emission is important for forecasting future climate changes. Here, we experimentally imposed extreme drought and heat wave events during three years i...
Quantifying the sensitivity of ecosystems to droughts, particularly with different seasonal timing, could improve our predictions of ecosystem-climate feedbacks, but few experiments have explicitly addressed seasonal timing per se effects on ecosystem sensitivity to droughts. Here, we present a seasonal timing × drought manipulation experiment to e...
Extensive grassland degradation under climate change and intensified human activities has threatened ecological security and caused a variety of environmental problems. However, it is still challenging to predict the grassland degradation status on a large scale because it is a multi-factorial phenomenon with complex changes in ecosystem structure...
The Yellow River Basin is a critical economic corridor for the implementation of the Belt and Road initiative. Maintaining the ecological health of the Yellow River is important for both the national social-economic development and ecological security. However, due to human activities and climate change, the Yellow River Basin has experienced ecolo...
Water resource availability is the major limiting factor for sustainable development in drylands. Climate change intensifies the conflicting water demands between people and the environment and highlights the importance of effective water resource management for achieving a balance between economic development and environmental protection. In 2008,...
Increasing heavy rainfalls can strongly affect ecosystem nitrogen (N) cycling processes and thereby alter soil N fluxes and pools. However, the effects of heavy rainfalls on soil N fluxes and pools are poorly understood, particularly with regards to high rainfall timing under field conditions. We conducted a 3-year (2014–2016) manipulative experime...
Though being fundamental to global diversity distribution, little is known about the geographic pattern of soil microorganisms across different biotas on a large scale. Here, we investigated soil prokaryotic communities from Chinese northern grasslands on a scale up to 4,000 km in both alpine and temperate biotas. Prokaryotic similarities increased...
Soil microbes play a crucial role in myriad ecological processes in terrestrial ecosystem. With increasing nitrogen
(N) loading, phosphorus (P) may become more limiting for soil microbes and these processes. However, it remains unclear to what extent P addition impacts soil microbial communities and respiration at global scale,
especially under dif...
Soil microbes greatly contribute to the regulating of phosphorus (P) cycling, which plays a significant role in maintaining wetland ecosystem processes and function. The microbial functional diversity of soil P cycling in response to wetland degradation, however, remains largely unknown. We used metagenomic sequencing to investigate the microbial c...
Against a backdrop of rising temperature, large portions of the western United States are experiencing fewer, larger and less frequent precipitation events. How such temporal ‘repackaging’ of precipitation alters the magnitude and timing of seasonal maximum gross primary productivity (GPPmax) remains unknown. Addressing this knowledge gap is critic...
Despite the importance of microorganisms in soil nitrogen (N) cycling, studies on spatial patterns of microbial N-cycling gene abundances in temperate grasslands are still lacking, whose productivity is limited by N. Here, we investigated N functional genes in soil microorganisms from 60 sites in temperate grasslands across 1661 km in Inner Mongoli...
Extreme drought can strongly impact belowground communities and biogeochemical processes, including soil microbial community composition and extracellular enzyme activities (EEAs), which are considered key agents in ecosystem carbon (C) and nutrient cycling. However, our understanding of how seasonal timing of drought during the growing season affe...
Increasing attention has been given to the impact of extreme drought stress on ecosystem ecological processes. Ecosystem respiration (Re) and soil respiration (Rs) play a significant role in the regulation of the carbon (C) balance because they are two of the largest terrestrial C fluxes in the atmosphere. However, the responses of Re and Rs to ext...
Extreme climatic events are likely to intensify under climate change and can have different effects on ecosystems depending on their timing and magnitude. Understanding how productivity responds to extreme precipitation patterns requires assessing stability and vulnerability during critical growing periods at the plant community level. In this stud...
As the critical parameter of the agricultural drought process, soil moisture (SM) has the potential to monitor agricultural drought, which can provide practical support for water management. In this study, a drought index, namely Soil Dryness Index (SDI), was proposed based on long-term gridded ERA-5 land SM, and its performance was evaluated. Furt...
Drylands cover about 41% of the Earth's land surface and are inhabited by more than two billion people, who rely on the diversified ecosystem services provided by drylands for their livelihoods. Achieving sustainable livelihoods (SLs) is a key component of achieving the sustainable development goals set by the agenda in 2030. Although it has arouse...
Changes in precipitation amount and variability would profoundly affect carbon (C) cycling in arid and semiarid grasslands. However, compared to the effects of precipitation amounts, little is understood about the impacts of precipitation temporal variability on terrestrial C cycling. To explore relationships between precipitation variability and C...
Sustainable Livelihoods (SLs) is now a high-priority field in global environmental change research, becoming one of the key research paradigms in sustainability science increasingly and an important component of the Sustainable Development Goals. A Scientometrics analysis based on Science Citation Index-Expanded was performed to understand the rese...
Though being fundamental to global diversity distribution, little is known about the geographic pattern of soil microorganisms across different biomes on a large scale. Here, we investigated soil prokaryotic communities from Chinese northern grasslands on a scale up to 4,000 km in both alpine and temperate biomes. Surprisingly, prokaryotic similari...
Abstract: Grassland remote sensing (GRS) is an important research topic that applies remote sensing technology to grassland ecosystems, reflects the number of grassland resources and grassland health promptly, and provides inversion information used in sustainable development management. A scientometrics analysis based on Science Citation Index-Exp...
Grassland located in the arid and semi-arid ecosystems has an evident ecological fragility and is easily vulnerable to climatic variations. Although several studies have shown the close relationship between net primary production (NPP) and seasonal or annual climate changes, it is currently unclear that whether such response in semi-arid regions is...
Increasing frequency and magnitude of climate extremes could fundamentally affect terrestrial carbon (C) cycling. However, as the second-largest terrestrial C flux, soil respiration (SR) responses to climate extremes are not well understood. Here, we investigated the effects of drought, heat wave and drought plus heat wave on SR in a semiarid grass...
Grazing is expected to exert a substantial influence on antibiotic resistance genes (ARGs) in grassland ecosystems. However, the precise effects of grazing on the composition of ARGs in grassland soils remain unclear. This is especially the case for grassland soils subject to long-term grazing. Here, we investigated ARGs and bacterial community com...
Sustainable Development Goals (SDGs) emphasize a holistic achievement instead of cherry-picking a few. However, no assessment has quantitatively considered the evenness among all 17 goals. Here, we propose a systematic method, which first integrates both the evenness and the overall status of all goals, to distinguish the ideal development pathways...
Purpose
The quantitative study for the allocation of photosynthetically fixed carbon to plant tissues, soil, and respiratory losses is essential for understanding the key process of carbon (C) cycle. In this study, the measured C flux data was used to validate a process-based denitrification-decomposition (DNDC) model, and the C budget components w...
Theoretical models suggest that ecosystems can be found in one of several possible alternative stable states, and a shift in structural stable state (SSS) can trigger a change in functional stable state (FSS). But we still lack the empirical evidence to confirm these states and transitions, and to inform the rates of change. Here, a 30-yr dataset f...
Extracellular enzyme activities (EEA) in soils play a pivotal role in ecosystem processes, such as organic carbon (C) decomposition or nitrogen (N) and phosphorus (P) mineralization. Thus, EEA measurements can provide insights into the rates of ecosystem-level processes in peatlands, which will experience more frequent extreme droughts in the futur...
Background: Despite the importance of microorganisms in soil nitrogen (N) cycling, studies on spatial patterns of microbial N genes in the temperate grassland are still lacking, whose productivity is limited by N. Here, we investigated microbial N genes from 60 temperate grassland sites across 1 161 km in Inner Mongolia, China.
Results: All N gene...
Accurate estimation of CH 4 fluxes in alpine peatland of the Qinghai-Tibetan Plateau under extreme drought is vital for understanding the global carbon cycle and predicting future climate change. However, studies on the impacts of extreme drought on peatland CH 4 fluxes are limited. To study the effects of extreme drought on CH 4 fluxes of the Zoig...
Droughts and heat waves are increasing in magnitude and frequency, altering the carbon cycle. However, understanding of the underlying response mechanisms remains poor, especially for the combination (hot drought). We conducted a 4‐yr. field experiment to examine both individual and interactive effects of drought and heat wave on carbon cycling of...
Key Points
The Riganqiao peatland was a strong net CO2 sink from 2013 to 2017 compared with many flux studies in boreal peatlands
Regression equations relating net ecosystem CO2 exchange and soil temperature differed between growing and nongrowing seasons
Water condition strongly affects interannual CO2 dynamics in Riganqiao peatland
Aims
Long-duration drought can alter ecosystem plant species composition with subsequent effects on carbon cycling. We conducted a rainfall manipulation field experiment to address the question: how does drought-induced vegetation change, specifically shrub encroachment into grasslands, regulate impacts of subsequent drought on soil CO2 efflux (Rs)...
Nitrous oxide (N2O) emissions from soil contribute to global warming and are in turn substantially affected by climate change. However, climate change impacts on N2O production across terrestrial ecosystems remain poorly understood. Here, we synthesised 46 published studies of N2O fluxes and relevant soil functional genes (SFGs, i.e. archaeal amoA,...
As an indicator and regulator of climate and environmental change, the Tibetan Plateau is an important barrier for ecological security. However, despite the importance of soil microbial communities in almost all soil biochemical processes and ecosystem functions, the biogeography of soil microbial communities on the Tibetan Plateau is poorly unders...
Environmental factors that are important in shaping microbe community structure are less explored along elevation in the alpine grassland ecosystem of Tibet Plateau, which is generally phosphorus limited. Here we examined soil prokaryote communities at three elevations to explore soil prokaryote community distribution and mediation factors in Noiji...
The alpine grassland on the Qinghai-Tibet Plateau covers an area of about 1/3 of China’s total grassland area and plays a crucial role in regulating grassland ecological functions. Both environmental changes and irrational use of the grassland can result in severe grassland degradation in some areas of the Qinghai-Tibet Plateau. However, the magnit...
Heavy rainfall events are expected to increase in frequency and severity in the future. However, their effects on natural ecosystems are largely unknown, in particular with different seasonal timing of the events and recurrence over multiple years.
We conducted a 4 yr manipulative experiment to explore grassland response to heavy rainfall imposed i...
The Tibetan alpine meadow ecosystem is an important part of the Eurasian grasslands and is experiencing intense warming at approximately three times the global warming rate and rapid degradation. However, little is known about the effect of warming and degradation and their interactions on ecosystem functions like soil carbon (C) and nitrogen (N) p...
Development of fine roots and formation of symbiosis with arbuscular mycorrhizal (AM) fungi represent two strategies for plants to acquire nutrient and water from soil. Here, we elucidated how fine root development and symbolized mycorrhizal fungi with Stipa purpurea responded to the precipitation change in Tibetan alpine steppe ecosystem across a...
Precipitation pattern is predicted to become more extreme, including seasonal precipitation events with a larger amount but a lower frequency. Such changes may alter soil microbial communities and the microbially mediated carbon (C) and nitrogen (N) dynamics. In a semi-arid temperate steppe in Inner Mongolia, China, we experimentally repackaged pre...
Nitrous oxide (N 2 O) emissions from soil contribute to global warming and are in turn substantially affected by climate change. However, climate change impacts on N 2 O production across terrestrial ecosystems remain poorly understood. Here, we synthesized 46 published studies of N 2 O fluxes and relevant soil functional genes (SFGs, that is, arch...
Potential changes in both the intensity and frequency of extreme drought events are vital aspects of regional climate change that can alter the distribution and dynamics of water availability and subsequently affect carbon cycles at the ecosystem level. The effects of extreme drought events on the carbon budget of peatland in the Zoige plateau and...
As an important surface parameter, surface soil moisture (SSM) plays a significant role in water resources management, crop growth, land degradation, and vegetation coverage as well as global climate change studies. In particular, the triangle model based on the spatial relationship between the land surface temperature (LST) and vegetation index fr...
Climate models predict a substantial increase in the frequency of extreme drought, suggesting subsequent impacts on the carbon (C) and water cycles. Although many studies have investigated the impacts of extreme drought on ecosystem functioning, it remains unknown how the timing of extreme drought within a growing season may affect carbon and water...
Purpose
In this study, a process-based denitrification-decomposition (DNDC) model was parameterized and validated with CO2 fluxes data measured using eddy covariance (EC) technique in the meadow and desert steppes of Inner Mongolia grasslands, China. The validated model was applied to predict the influence of moderate climate change on carbon (C) b...
Purpose
Climate models predict that amplification of the hydrological cycle results in more extreme (more intensive but less frequent) precipitation events (EPEs) that have larger effects on ecosystem functioning than mean precipitation conditions. Semiarid grassland ecosystems are considered important CH4 sinks whose functioning is greatly affecte...
Alpine meadows on the Tibetan Plateau have experienced severe degradation in recent decades. Although the effects of alpine meadow degradation on soil properties have been well documented, there is still a paucity of knowledge regarding the responses of nitrogen-cycling microbes (NCMs) to degradation and their links to the changes in soil propertie...
Few studies have focused on the effects of long-term forest plantations on the soil profile of carbon (C) and nitrogen (N) stocks. In this study, we selected 78-year-old tree plantations that included three coniferous tree species (i.e., slash pine, hoop pine and kauri pine) and a Eucalyptus species in subtropical Australia. We measured soil extrac...
Peatlands play an important role in the global carbon cycle and potentially have a significant impact on regional climate change. Restoring and rewetting the degraded peatlands is an urgent task. However, effects of rewetting on the carbon emissions of peatlands remain poorly understood. In this study, the process of rewetting a piece of the degrad...
PurposeUnderstanding the biogeographic distribution of soil fungal communities is crucial for assessing the impacts of environmental factors on terrestrial biodiversity and ecosystem functioning. Here, we investigated spatial variations of fungal communities across three different types of temperate grasslands along a transect in the Inner Mongolia...
PurposeSoil labile carbon (C) and nitrogen (N) pools are considered to be sensitive indicators of changes in soil C and N pools. In this study, we examined possible factors affecting spatial and seasonal variations in soil labile C and N pools in the riparian zones in Southeast Queensland, Australia. Materials and methodsSoil and sediment samples w...
As the anthropogenic nitrogen input to the global ecosystem is experiencing an unprecedented rise, quantifying the relationships between biological nitrogen fixation (BNF) and available nitrogen is not only essential to estimating ecosystem nitrogen budgets, but also crucial to optimizing fertilization strategies. In this paper, research results on...
The Community Land Model (CLM) is an advanced process-based land surface model that simulates carbon, nitrogen, water vapor and energy exchanges between terrestrial ecosystems and the atmosphere at various spatial and temporal scales. We use observed carbon and water fluxes from five representative Chinese Terrestrial Ecosystem Flux Research Networ...
Climate extremes are expected to increase in frequency and intensity as a consequence of anthropogenic climate change attributed to the rise of atmospheric concentrations of greenhouse gases (GHGs). However, studies on the impacts of climate extremes on terrestrial ecosystems are limited. Here, we experimentally imposed extreme drought and a heat w...
Quantifying the variability and changes in phenology and gross primary production (GPP) of alpine wetlands in the Qinghai-Tibetan Plateau under climate change is essential for assessing carbon (C) balance dynamics at regional and global scales. In this study, in situ eddy covariance (EC) flux tower observations and remote sensing data were integrat...
Purpose Biochar has excellent potential to improve crop yield and quality, but its effects vary depending on soil type and agronomic inputs (e.g., irrigation and fertiliser). In this study, we investigate the effects of biochar on peanut productivity and crop quality under different irrigation and fertilisation regime in red Ferrosols.
Materials an...
Water use efficiency (WUE) reflects the coupling of carbon and water cycles. Analyzing the spatial variability of WUE can improve our understanding on the interaction between carbon and water cycles at a large scale, which also provides a basis for improving the regional carbon budget assessment. Based on China’s eddy covariance measurements, we ex...
Biochar has significant potential to improve crop performance. This study examined the effect of biochar application on the photosynthesis and yield of peanut crop grown on two soil types. The commercial peanut cultivar Middleton was grown on red ferrosol and redoxi-hydrosol (Queensland, Australia) amended with a peanut shell biochar gradient (0, 0...
Climate change is likely to increase both intensity and frequency of drought stress. The responses of soil respiration (R s) and its components (root respiration, R r; mycorrhizal respiration, R m; and heterotrophic respiration, R h) to drought stress can be different. This work aims to review the recent and current literature about the variations...
Citations
... For example, soil N supply level and the composition of N forms can affect the way plants acquire N, with some plant species adjusting their preference according to the dominance of a specific N form , reflecting their specific functional niche in the ecosystem. In N-limited ecosystems like alpine meadows (Pang et al. 2024) and sub-Antarctic islands (Pallett et al. 2024), plants exhibit a preference for soil organic N source, such as amino acids, over NO 3 − and NH 4 + . Conversely, studies in alpine grasslands of the Tibetan Plateau, where NH 4 + content is high, showed that 11 common plant species favor NH 4 + uptake (Song et al. 2015). ...
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... A large body of studies have investigated the impact of excessive N use in agroecosystems on biodiversity and ecosystem properties (Geisseler and Scow, 2014;Jian et al., 2016;Wang et al., 2018;Dai et al., 2018;Chen et al., 2023). As fertilization increases plant productivity, it also increases plant-derived C input into the soil, which may lead to higher C stocks if net microbial mineralization rates stay the same. ...
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... Grazing and nitrogen input are important disturbances in alpine meadows [25,[42][43][44]. We investigated the effects of sheep grazing and nitrogen input, as well as changes in PAR, soil moisture, vegetation diversity, ANPP, and litter, on dicotyledonous seedling abundance and diversity. ...
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... L ivelihoods, as defined by Chambers (1995) and Scoones (2009), refer to the means of gaining a living through a combination of resources and activities. The dynamics of livelihood encompass the basic and enabling living environment, as well as related security and tools (Singh et al., 2022;Li et al., 2023a). While livelihoods are a global concern, the COVID-19 pandemic has significantly disrupted the global economy, human health, and daily life, placing immense stress on livelihoods (Rasul, 2021;Sifat et al., 2022). ...
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... The above-mentioned limitations could be overcome using eddy covariance (EC). This technique, largely used in atmospheric and environmental science to determine trace gases exchanges over anthropic and natural ecosystems including urban areas [15,16], agricultural systems [17][18][19], grasslands [20,21], and forests [22,23], can provide continuous and automated measurements over long periods. Also, EC does not affect in depth and surface soil conditions, thus reducing uncertainties in the fluxes measured from landfill. ...
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... Additionally, droughts impact decomposition and the resulting availability of soil ammonium (NH 4 + -N) and nitrate (NO 3 − -N) (Homyak et al., 2017), which may inhibit CH 4 uptake by changing the composition and activity of the methanotroph community (Xu and Inubushi, 2007;Yue et al., 2016), or replacing CH 4 oxidation by methanotrophs (Schnell and King, 1994;Yue et al., 2022). Importantly, drought occurring in different seasons had varied effects on pmoA gene abundance and water and nitrogen availability (Gong et al., 2021;Li et al., 2023;Song et al., 2020). Therefore, it is expected that drought with different seasonal timing would have differing effects on CH 4 uptake. ...
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... The increase in altitude, similar to the increase in latitude, will cause the decrease in temperature. Climate warming will increase the area suitable for vegetation expansion occurred not only at high latitudes but also at high altitudes [74][75][76] . Thus, we should take this opportunity to gain a greater carbon sink through ERPs. ...
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... We utilized the GPP raster dataset of China from 2001 to 2020 with a spatial resolution of 1 km. The dataset was produced based on measurements from the Chinese Flux Observation and Research Network (ChinaFLUX) and public datasets, combined with biological, climatic, and soil factors (R. Fan et al. 2023). Moreover, the GPP data has a high consistency with other flux data and auxiliary variable-driven GPP products, remote sensing GPP products, and GPP products based on physiological simulation (Such as Jung, GLASS, and NACP products, etc.), which can effectively represent the true level of Chinese terrestrial GPP . ...
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... The goal of the SD of human society should be creation of systems inspired by nature (Ahamed et al., 2022;Chen Austin et al., 2022;Holzinger et al., 2023). In the natural ecosystems, there are three basic groups of organisms: producers, consumers and decomposer (Wu et al., 2023). Diverse links and relations among these groups enable the survival and development of organisms contained in them. ...
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... In addition, different abundances of fungal taxa play different ecological functions in soil ecosystems [56]. We predicted a wider variety of functional guilds in the rare and total taxa, but among them, populations for which trophic types could not be identified accounted for the vast majority of the soil fungal composition, suggesting that there is a lack of knowledge and in-depth exploration of the functions of these soil fungi. ...
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