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栓皮栎林光合特性的研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2004年05期
Page:
83-85
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
The Photosynthetic Characteristics in Leaves of Oriental Oak Forest
Article ID:
1000-2006(2004)05-0083-03
Author(s):
XIE Hui-cheng~1JIANG Zhi-lin~2LI Ji-hong~1
1.Shandong Agriculture University,Taian 271000,China;2.Nanjing Forestry University,Nanjing 210037,China
Keywords:
Oriental oakCO_2 compensation concentrationLight compensation pointLight saturation point
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2004.05.021
Document Code:
A
Abstract:
With the aid of the Licor-6400 portable photosynthesis system,a field study on the photosynthetic characteristics in leaves of oriental oak forest during different seasons was determined.The main results were as follows:The light compensation points(LCP) in leaves of oriental oak changed from 40 to 42.21?μmol/(m~2·s) in different seasons,the light saturation points(LSP) varied from 1?000 to 1?600μmol/(m~2·s) and the apparent photon utilization efficiency varied from 0.014 to 0.06?μmol/mol;The CO_2 compensation concentration(CC) of photosynthesis varied from 57.54 to 72?μmol/mol;The photorespiration in autumn was (0.952?μmol/(m~2·s)).

References

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Last Update: 1900-01-01