Ecosystem functions including soil organic carbon, total nitrogen and available potassium are crucial for vegetation recovery

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Qiu, K.; Xie, Y.; Xu, D.; Pott, R.: Ecosystem functions including soil organic carbon, total nitrogen and available potassium are crucial for vegetation recovery. In: Scientific Reports 8 (2018), Nr. 1, 7607. DOI: https://doi.org/10.1038/s41598-018-25875-x

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Sum total of downloads: 105




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Abstract: 
The effects of biodiversity on ecosystem functions have been extensively studied, but little is known about the effects of ecosystem functions on biodiversity. This knowledge is important for understanding biodiversity-ecosystem functioning relationships. Desertification reversal is a significant global challenge, but the factors that play key roles in this process remain unclear. Here, using data sampled from areas undergoing desertification reversal, we identify the dominant soil factors that play a role in vegetation recovery with ordinary least squares and structural equation modelling. We found that ecosystem functions related to the cycling of soil carbon (organic C, SOC), nitrogen (total N, TN), and potassium (available K, AK) had the most substantial effects on vegetation recovery. The effects of these ecosystem functions were simultaneously influenced by the soil clay, silt and coarse sand fractions and the soil water content. Our findings suggest that K plays a critical role in ecosystem functioning and is a limiting factor in desertification reversal. Our results provide a scientific basis for desertification reversal. Specifically, we found that plant biodiversity may be regulated by N, phosphorus (P) and K cycling. Collectively, biodiversity may respond to ecosystem functions, the conservation and enhancement of which can promote the recovery of vegetation.
License of this version: CC BY 4.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2018
Appears in Collections:Naturwissenschaftliche Fakultät

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pos. country downloads
total perc.
1 image of flag of Germany Germany 78 74.29%
2 image of flag of United States United States 10 9.52%
3 image of flag of France France 5 4.76%
4 image of flag of China China 2 1.90%
5 image of flag of Canada Canada 2 1.90%
6 image of flag of No geo information available No geo information available 1 0.95%
7 image of flag of Poland Poland 1 0.95%
8 image of flag of Netherlands Netherlands 1 0.95%
9 image of flag of United Kingdom United Kingdom 1 0.95%
10 image of flag of Costa Rica Costa Rica 1 0.95%
    other countries 3 2.86%

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