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Forest soil acidification consistently reduces litter decomposition irrespective of nutrient availability and litter type
Shen, Ying1,2; Tian, Dashuan1,3; Hou, Jihua4; Wang, Jinsong1; Zhang, Ruiyang1; Li, Zhaolei1; Chen, Xinli5; Wei, Xuehong6; Zhang, XinYu1; He, Yicheng1,4; Niu, Shuli1,3
2021-10-03
Source PublicationFUNCTIONAL ECOLOGY
ISSN0269-8463
Pages10
Corresponding AuthorTian, Dashuan(tiands@igsnrr.ac.cn) ; Niu, Shuli(sniu@igsnrr.ac.cn)
Abstract1. Nitrogen (N), phosphorus (P) and acid deposition are co-occurring in many ecosystems, likely with complex interactive effects on litter decomposition. 2. Few studies have been conducted to distinguish the interactive effects of these three factors on forest litter decomposition. Thus, we performed a 5-year litter decomposition experiment with N, P, acid addition in a temperate forest of Changbai Mountain in China, including four litter types from Pinus koraiensis, Quercus mongolica, Thin amurensis and their mixtures. 3. Our results showed that acid addition consistently reduced litter decomposition rate, irrespective of nutrient addition or litter types. In contrast, N and P addition had less impact on litter decomposition. Litter decomposition rate linearly reduced with decreasing soil pH, but positively increased with soil N availability. No relationship was found between soil P availability and litter decomposition. Soil enzyme activity played a key role in regulating litter decomposition response, such as acid phosphatase, xylosidase, N-cacetyl-b-D-glucosaminidase and alpha-1,4 glucosidase. Besides, low-quality litter (i.e. high C concentration, C:N and C:P ratio) amplified the negative effect of soil acidification on litter decomposition. 4. This study suggests that soil acidification consistently decelerates litter decomposition in temperate forests, which is independent of soil nutrient availability and litter types. The intensifying soil acidification with continuous N deposition in the future will greatly reduce litter nutrient return to soil, increasing the risk of multiple soil nutrient limitation.
Keywordenzyme activities litter decomposition nitrogen and phosphorus deposition soil acidification temperate forest
DOI10.1111/1365-2435.13925
WOS KeywordNITROGEN ADDITIONS ; PHOSPHORUS ; DYNAMICS ; RELEASE ; DEPOSITION ; RESPONSES ; CLIMATE ; QUALITY ; CARBON ; ACID
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31600356] ; National Natural Science Foundation of China[31770560] ; National Natural Science Foundation of China[41403073] ; National Key R&D Program of China[2017YFA0604802]
Funding OrganizationNational Natural Science Foundation of China ; National Key R&D Program of China
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEcology
WOS IDWOS:000702892900001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/165841
Collection中国科学院地理科学与资源研究所
Corresponding AuthorTian, Dashuan; Niu, Shuli
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing, Peoples R China
2.Inst Zool, CAS Key Lab Anim Ecol & Conservat Biol, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China
4.Beijing Forestry Univ, Key Lab Forest Resources & Ecosyst Proc Beijing, Beijing, Peoples R China
5.Lakehead Univ, Fac Nat Resources Management, Thunder Bay, ON, Canada
6.Tibet Agr & Anim Husb Univ, Resources & Environm Coll, Nyingchi Tibet, Peoples R China
Recommended Citation
GB/T 7714
Shen, Ying,Tian, Dashuan,Hou, Jihua,et al. Forest soil acidification consistently reduces litter decomposition irrespective of nutrient availability and litter type[J]. FUNCTIONAL ECOLOGY,2021:10.
APA Shen, Ying.,Tian, Dashuan.,Hou, Jihua.,Wang, Jinsong.,Zhang, Ruiyang.,...&Niu, Shuli.(2021).Forest soil acidification consistently reduces litter decomposition irrespective of nutrient availability and litter type.FUNCTIONAL ECOLOGY,10.
MLA Shen, Ying,et al."Forest soil acidification consistently reduces litter decomposition irrespective of nutrient availability and litter type".FUNCTIONAL ECOLOGY (2021):10.
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