Terrestrial carbon sinks in China and around the world and their contribution to carbon neutrality

Yang, Yuanhe; Shi, Yue; Sun, Wenke; Chang, Jinfeng; Zhu, Jun; Chen, Leiyi; Wang, Xin; Yong, Guo; Zhang, Hongtu; Yu, Lingfei; Zhao, Shuqing; Xu, Kang; Zhu, Jieshun; Shen, Haihua; Wang, Yuanyuan; Peng, Yunfeng; Zhao, Xia; Wang, Xiangping; Hu, Huifeng; Chen, Shiping; Huang, Mei; Wen, Xuefa; Wang, Shaopeng; Zhu, Biao; Niu, Shuli; Tang, Zhiyao; Liu, Lingli; Fang, Jingyun

doi:10.1007/s11427-021-2045-5

Cited by 213 publications

(130 citation statements)

References 311 publications

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“…Soil also consists of horizons that differ in their chemical, physical, biological, and morphological properties. Several threats have been identified to soil and its productivity including erosion (Lei 2022), pollution (Riveros et al 2022), salinization and alkalinity (Imran et al 2021), climate change (Brevik 2012;Yang et al 2022), and degradation (Sharma and Singh 2017;Saljnikov et al 2022) (Fig. 1).…”

Section: Introductionmentioning

confidence: 99%

Management of Salt-Affected Soils: A Photographic Mini-Review

El-Ramady

Faizy²,

Amer

et al. 2022

EBSS

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oil is the main source of human food, feed for our animals, fiber, and a major source of fuel. The ability of soil to supply life essentials can be impacted by several obstacles that reduce or prevent plant production. Salt-affected soils are common under arid and semi-arid climates, which often produce soils that have salinity and/or alkalinity problems. Salinity and alkalinity are important stresses, mainly including oxidative and osmotic stress, which threaten crop productivity under such soil conditions and can cause significant yield reductions. Successful production in such soils needs a deep understanding of their formation and productivity challenges. Due to the increased areas of salt-affected soils in the world, the management of these soils is a crucial global issue. This paper is a mini-review on salt-affected soils, which include their characterization and suitable management approaches. Nano-management of salt-affected soils as a promising approach will also be discussed and new perspectives and challenges in reclamation of salt-affected soils will be highlighted.

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Section: Introductionmentioning

confidence: 99%

Management of Salt-Affected Soils: A Photographic Mini-Review

El-Ramady

Faizy²,

Amer

et al. 2022

EBSS

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“…Lots of studies have clarified that global warming, with the consequence of greenhouse gases increasing, has significantly shifted the vegetation phenology in terrestrial ecosystems of the Northern Hemisphere [2,3], and the variation of vegetation phenology has greatly impacted the terrestrial ecosystem functions and structures [4,5]. Previous researches have concluded that the forest ecosystem is the main part of terrestrial ecosystem in the Northern Hemisphere, such as in China [6], America [7], Canada [8], and Europe [9], and plays an important role in the global carbon balance. Vegetation phenology may also feed back to climate changes, for example, the prolonged length of growing season (LOS) could affect the ability of forest carbon sequestration and mitigate the global temperature increase [10].…”

Section: Introductionmentioning

confidence: 99%

Spatiotemporal Variations of Forest Vegetation Phenology and Its Response to Climate Change in Northeast China

et al. 2022

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Vegetation phenology is an important indicator of vegetation dynamics. The boreal forest ecosystem is the main part of terrestrial ecosystem in the Northern Hemisphere and plays an important role in global carbon balance. In this study, the dynamic threshold method combined with the ground-based phenology observation data was applied to extract the forest phenological parameters from MODIS NDVI time-series. Then, the spatiotemporal variation of forest phenology is discussed and the relationship between phenological change and climatic factors was concluded in the northeast China from 2011 to 2020. The results indicated that the distribution of the optimal extraction threshold has spatial heterogeneity, and the changing rate was 3% and 2% with 1° increase in latitude for SOS (the start of the growing season) and EOS (the end of the growing season). This research also notes that the SOS had an advanced trend at a rate of 0.29 d/a while the EOS was delayed by 0.47 d/a. This variation of phenology varied from different forest types. We also found that the preseason temperature played a major role in effecting the forest phenology. The temperature in winter of the previous year had a significant effect on SOS in current year. Temperature in autumn of the current year had a significant effect on EOS.

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“…On the other hand, this dataset has better simulations of carbon consequences and water use efficiency, which is important for carbon-neutron policy (Yang et al, 2022). According to this study, vegetation in China exhibits a huge potential for carbon sequestration in the water-carbon cycles and plays an important role in the global carbon cycle.…”

Section: Implications Of Pml-v2(china)mentioning

confidence: 93%

A daily and 500 m coupled evapotranspiration and gross primary production product across China during 2000–2020

Zhang

et al. 2022

Preprint

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Abstract. Accurate high-resolution actual evapotranspiration (ET) and gross primary production (GPP) information is essential for understanding the large-scale water and carbon dynamics. However, substantial uncertainties exist in the current ET and GPP datasets in China because of insufficient local ground measurements used for model constrain. This study utilizes a water-carbon coupled model, Penman-Monteith-Leuning Version 2 (PML-V2), to estimate 500 m ET and GPP at a daily scale. The parameters of PML-V2 (China) were well-calibrated against observations of 26 eddy covariance flux towers across nine plant functional types in China, indicated by Nash–Sutcliffe Efficiency (NSE) of 0.75 and Root Mean Square Error (RMSE) of 0.69 mm d−1 for daily ET respectively, and NSE of 0.82 and RMSE of 1.71 g C m-2 d−1 for daily GPP. The model estimates get a small bias of 6.28 % and a high NSE of 0.82 against water‐balance annual ET estimates across 10 major river basins in China. Further evaluations suggest that the newly developed product outperforms its global version and other typical products (MOD16A2, SEBAL, GLEAM, MOD17A2H, VPM, and EC-LUE) in estimating both ET and GPP. Moreover, PML-V2 (China) accurately monitors the intra-annual variations in ET and GPP in the croplands with a dual-cropping system. Using the new data showed that, over the last 20 years, the annual GPP and water use efficiency experienced a significant (p < 0.001) increase (8.51 g C m-2 yr-1 and 0.02 g C mm-1 H2O yr-1, respectively), but annual ET showed a non-significant (p > 0.05) increase (0.65 mm yr-1). This indicates that vegetation in China exhibits a huge potential for carbon sequestration with little cost in water resources. The PML-V2 (China) product provides a great opportunity for academic communities and various agencies for scientific studies and applications, freely available at http://dx.doi.org/10.11888/Terre.tpdc.272389.

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Terrestrial carbon sinks in China and around the world and their contribution to carbon neutrality

Cited by 213 publications

References 311 publications

Management of Salt-Affected Soils: A Photographic Mini-Review

Management of Salt-Affected Soils: A Photographic Mini-Review

Spatiotemporal Variations of Forest Vegetation Phenology and Its Response to Climate Change in Northeast China

A daily and 500 m coupled evapotranspiration and gross primary production product across China during 2000–2020

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