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Contrasting effects of N addition on the N and P status of understory vegetation in plantations of sapling and mature Larix principis-rupprechtii
Yan, T (Yan, Tao)1; Qu, TT (Qu, Tiantian)2; Song, HH (Song, Huanhuan)3; Ciais, P (Ciais, Philippe)4; Piao, SL (Piao, Shilong)1,5,6; Sun, ZZ (Sun, Zhenzhong)1,2; Zeng, H (Zeng, Hui)2
Source PublicationJOURNAL OF PLANT ECOLOGY
2018-12-01
Volume11Issue:6Pages:843-852
DOI10.1093/jpe/rty023
Abstract

Aims The productivity of forest plantations in temperate areas is often limited by nitrogen (N), but may shift towards phosphorus (P) limitation with increasing atmospheric N deposition. Nutrient resorption is a nutrient conservation strategy in plants. Although data on nutrient resorption are available for overstory trees, there are few data for understory vegetation. Methods We examined leaf N and P concentrations and N and P resorption efficiencies (NRE and PRE, respectively) in eight understory species in 11- and 45-year-old Larix principis-rupprechtii stands subjected to N supplementation over a 3-year period.Important findings Leaf N concentrations and N:P ratios increased and P concentrations decreased, with N input in species within the 45-year-old stand, but not in the 11-year-old stand. NRE and PRE were not altered by N input in any of the species in either stand, but N resorption proficiency decreased and P resorption proficiency increased, in the species in the 45-year-old stand. Thus, the growth of understory species may be more P-limited in the 45- versus 11-year-old stand, and nutrient resorption proficiency was more sensitive to N addition than nutrient resorption efficiency. These results will improve the understanding of nutrient use strategies and their responses to N addition in understory vegetation. The contrasting effects of N addition on nutrient status between stand ages cannot be ignored when modeling ecosystem nutrient cycling under global N deposition conditions.

Subject Area生态学
WOS IDWOS:000456053600005
Language英语
Indexed BySCIE
KeywordChronic Nitrogen Additions Nutrient Resorption Photosynthetic Capacity Phosphorus Limitation Litter Decomposition Larch Plantations Soil Respiration Senesced Leaves Forest Temperate
WOS Research AreaPlant Sciences ; Environmental Sciences & Ecology
WOS SubjectPlant Sciences ; Ecology
Cooperation Status国际
ISSN1752-9921
Department高寒生态重点实验室
PublisherOXFORD UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8481
Collection图书馆
Corresponding AuthorZeng, H (Zeng, Hui)
Affiliation1.Peking Univ, Coll Urban & Environm Sci, Sinofrench Inst Earth Syst Sci, 5 Yiheyuan Rd, Beijing 100871, Peoples R China;
2.Peking Univ, Sch Urban Planning & Design, 2199 Lishui Rd, Shenzhen 518055, Peoples R China;
3.Chinese Acad Sci, Inst Appl Ecol, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China;
4.UVSQ, CNRS, UMR 1572, Lab Sci Climat & Environm,CEA, F-91191 Gif Sur Yvette, France;
5.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, 16 Lincui Rd, Beijing 100085, Peoples R China;
6.Chinese Acad Sci, Ctr Excellence Tibetan Earth Sci, 16 Lincui Rd, Beijing 100085, Peoples R China.
Recommended Citation
GB/T 7714
Yan, T ,Qu, TT ,Song, HH ,et al. Contrasting effects of N addition on the N and P status of understory vegetation in plantations of sapling and mature Larix principis-rupprechtii[J]. JOURNAL OF PLANT ECOLOGY,2018,11(6):843-852.
APA Yan, T .,Qu, TT .,Song, HH .,Ciais, P .,Piao, SL .,...&Zeng, H .(2018).Contrasting effects of N addition on the N and P status of understory vegetation in plantations of sapling and mature Larix principis-rupprechtii.JOURNAL OF PLANT ECOLOGY,11(6),843-852.
MLA Yan, T ,et al."Contrasting effects of N addition on the N and P status of understory vegetation in plantations of sapling and mature Larix principis-rupprechtii".JOURNAL OF PLANT ECOLOGY 11.6(2018):843-852.
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