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[Stable carbon isotopic characteristics of plant-litter-soil continuum along a successional gradient of broadleaved Korean pine forests in Changbai Mountain, China.] / 长白山阔叶红松林演替序列植物-凋落物-土壤碳同位素特征.
Diao, Hao Yu; Wang, An Zhi; Yuan, Feng Hui; Guan, De Xin; Yin, Hang; Wu, Jia Bing.
Afiliación
  • Diao HY; Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China.
  • Wang AZ; University of Chinese Academy of Sciences, Beijing 100049, China.
  • Yuan FH; Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China.
  • Guan X; Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China.
  • Yin H; Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China.
  • Wu JB; Changbai Mountain Academy of Sciences, Antu 133613, Jilin, China.
Ying Yong Sheng Tai Xue Bao ; 30(5): 1435-1444, 2019 May.
Article en Zh | MEDLINE | ID: mdl-31106997
Stable carbon isotope composition can accurately indicate ecosystem carbon cycling and provide key information for the study of the influence of forest succession on the carbon cycling and carbon sequestration potential. We measured the δ13C values and carbon and nitrogen contents of leaf, trunk, root, litter, and soil along a forest successional gradient in Changbai Mountain, which included a middle-aged poplar-birch secondary forest, a mature poplar-birch secondary forest, and an old-growth broad-leaved Korean pine forest. The results showed that leaf δ13C reduced with their position from the upper canopy to lower canopy, bark δ13C was less than xylem, fine root δ13C was less than course root. In contrast to the secondary forests, δ13C of the undecomposed litter layer was less than that of the semi-decomposed layer and decomposed litter layer in the broad-leaved Korean pine forest. Soil δ13C increased with depth. The ascending order of mean δ13C was leaf, litter, root, trunk, and soil, indicating that there is obvious fractionation among different organs of plants and among different parts of a specific organ. In addition, plant δ13C first decreased and then increased with the succession process, but soil δ13C increased with the succession processes. The different patterns of the changes of plant and soil δ13C along forest succession could be explained by the relationship between nitrogen content and carbon isotope fractionation effect, indicating that carbon isotope fractionation was affected by the change of dominant tree species and the variation of carbon turnover rate.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bosques / Pinus País/Región como asunto: Asia Idioma: Zh Revista: Ying Yong Sheng Tai Xue Bao Asunto de la revista: SAUDE AMBIENTAL Año: 2019 Tipo del documento: Article País de afiliación: China Pais de publicación: China
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bosques / Pinus País/Región como asunto: Asia Idioma: Zh Revista: Ying Yong Sheng Tai Xue Bao Asunto de la revista: SAUDE AMBIENTAL Año: 2019 Tipo del documento: Article País de afiliación: China Pais de publicación: China