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Co-regulation of photosynthetic capacity by nitrogen, phosphorus and magnesium in a subtropical Karst forest in China
Wang, Jing1,2,3; Wen, Xuefa1,2; Zhang, Xinyu1,2; Li, Shenggong1,2; Zhang, Da-Yong3
2018-05-09
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume8Pages:9
Corresponding AuthorWen, Xuefa(wenxf@igsnrr.ac.cn) ; Zhang, Xinyu(zhangxy@igsnrr.ac.cn)
AbstractLeaf photosynthetic capacity is mainly constrained by nitrogen (N) and phosphorus (P). Little attention has been given to the photosynthetic capacity of mature forests with high calcium (Ca) and magnesium (Mg) in the Karst critical zone. We measured light-saturated net photosynthesis (A(sat)), photosynthetic capacity (maximum carboxylation rate [V-cmax], and maximum electron transport rate [J(max)]) as well as leaf nutrient contents (N, P, Ca, Mg, potassium [K], and sodium [Na]), leaf mass per area (LMA), and leaf thickness (LT) in 63 dominant plants in a mature subtropical forest in the Karst critical zone in southwestern China. Compared with global data, plants showed higher Asat for a given level of P. Vcmax and Jmax were mainly co-regulated by N, P, Mg, and LT. The ratios of Vcmax to N or P, and Jmax to N or P were significantly positively related to Mg. We speculate that the photosynthetic capacity of Karst plants can be modified by Mg because Mg can enhance photosynthetic N and P use efficiency.
DOI10.1038/s41598-018-25839-1
WOS KeywordLEAF ECONOMICS SPECTRUM ; TERRESTRIAL ECOSYSTEMS ; TROPICAL FOREST ; CO-LIMITATION ; CONTROLLED-ENVIRONMENT ; PHOTOOXIDATIVE DAMAGE ; DEPENDENT REGULATION ; PRIMARY PRODUCTIVITY ; SOUTHWESTERN CHINA ; CARBON STORAGE
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41571130043] ; National Natural Science Foundation of China[31470500] ; National Natural Science Foundation of China[41671257]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000431737300092
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54735
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWen, Xuefa; Zhang, Xinyu
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
3.Beijing Normal Univ, Sch Life Sci, Beijing 100875, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jing,Wen, Xuefa,Zhang, Xinyu,et al. Co-regulation of photosynthetic capacity by nitrogen, phosphorus and magnesium in a subtropical Karst forest in China[J]. SCIENTIFIC REPORTS,2018,8:9.
APA Wang, Jing,Wen, Xuefa,Zhang, Xinyu,Li, Shenggong,&Zhang, Da-Yong.(2018).Co-regulation of photosynthetic capacity by nitrogen, phosphorus and magnesium in a subtropical Karst forest in China.SCIENTIFIC REPORTS,8,9.
MLA Wang, Jing,et al."Co-regulation of photosynthetic capacity by nitrogen, phosphorus and magnesium in a subtropical Karst forest in China".SCIENTIFIC REPORTS 8(2018):9.
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