J Soils Sediments (2017) 17:2329–2337 DOI 10.1007/s11368-016-1488-0 2015 INTERNATIONAL SYMPOSIUM ON FOREST SOILS Alpine meadow restorations by non-dominant species increased soil nitrogen transformation rates but decreased their sensitivity to warming 1 1 1 1 1 Liangbo Jiang & Ling Zhang & Bangliang Deng & Xishuai Liu & Huiqin Yi & 1 1 1,2 1 3 Hai Xiang & Zhi Li & Wenyuan Zhang & Xiaomin Guo & Dekui Niu Received: 1 December 2015 /Accepted: 17 June 2016 /Published online: 29 June 2016 Springer-Verlag Berlin Heidelberg 2016 Abstract Mountain, China. We measured nitrification and N minerali- Purpose Alpine meadow soils are large carbon (C) and nitro- zation rates when soils were incubated at different temperature −2 gen (N) pools correlated significantly with global C and N (15 or 25 °C) and N additions (control vs. 4 g m )to examine cycling. Soil N transformations, including nitrification and N their responses to restoration species, warming, and N. mineralization, are key processes controlling N availability. Results and discussion Vegetation restored soils differed sub- Alpine meadow degradations are common worldwide, and stantially from non-restored bare soils. Total N, total organic vegetation restorations have been widely implemented. C, pH, and dissolved organic C contributed
Journal of Soils and Sediments – Springer Journals
Published: Jun 29, 2016
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