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DOI10.1016/j.quascirev.2019.04.001
Soil C, N and P dynamics along a 13 ka chronosequence of landslides under semi-natural temperate forest
Vinduskova, Olga1,2; Panek, Tomas3; Frouz, Jan1
发表日期2019
ISSN0277-3791
卷号213页码:18-29
英文摘要

Soils represent a key component of the global carbon (C) cycle containing 2 to 3 times more C than the atmosphere. Understanding the dynamics of soil carbon storage is crucial for the prediction of its potential and future feedback to climate change. Traditionally, it has been accepted that millennia are required for soils to reach their C storage capacities. For the first time, we investigated long-term soil development on sedimentary substrate under semi-natural temperate forest, using a unique chronosequence of 26 landslides ranging in age from 4 to similar to 13,000 years. Both carbon and nitrogen (N) stocks in the 0-30 cm of mineral soil increased rapidly and reached levels resembling that of undisturbed sites already within 100 years of pedogenesis. The mineral soil C stock then did not change while the N stock decreased significantly in older landslides (>= 900 years). Phosphorus (P) in <2 mm soil showed a rapid increase in the first 100 years followed by a slow decrease. This decrease was significant also for total soil P (including rocks) and may be caused by leaching, erosion and wood harvest. In contrast, the 0 horizon C, N and P stocks increased linearly throughout the chronosequence. The C:N, N:P, C:P ratios increased along the chronosequence in mineral soil but not in O horizon. Further experiments are needed to explain the mechanisms behind the observed dynamics of C and N. The possible mechanisms include saturation of soil mineral surfaces, the decreasing availability of soil phosphorus or erosion. 2019 Elsevier Ltd. All rights reserved.


WOS研究方向Physical Geography ; Geology
来源期刊QUATERNARY SCIENCE REVIEWS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/98111
作者单位1.Charles Univ Prague, Fac Sci, Inst Environm Studies, Benatska 2, Prague 12801, Czech Republic;
2.Stanford Univ, Dept Earth Syst Sci, 473 Via Ortega, Stanford, CA 94305 USA;
3.Univ Ostrava, Fac Sci, Dept Phys Geog & Geoecol, Chittussiho 10, Ostrava 71000, Czech Republic
推荐引用方式
GB/T 7714
Vinduskova, Olga,Panek, Tomas,Frouz, Jan. Soil C, N and P dynamics along a 13 ka chronosequence of landslides under semi-natural temperate forest[J],2019,213:18-29.
APA Vinduskova, Olga,Panek, Tomas,&Frouz, Jan.(2019).Soil C, N and P dynamics along a 13 ka chronosequence of landslides under semi-natural temperate forest.QUATERNARY SCIENCE REVIEWS,213,18-29.
MLA Vinduskova, Olga,et al."Soil C, N and P dynamics along a 13 ka chronosequence of landslides under semi-natural temperate forest".QUATERNARY SCIENCE REVIEWS 213(2019):18-29.
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