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- Title
Water Chemistry and Temporal Variation of Nutrients in Stemflow of Three Dominant Tree Species in the Subtropics of the Fu-Shan Forest.
- Authors
Liu, Chiung-Pin; King, Hen-Biau; Wang, Ming-Kuang; Hsia, Yue-Joe; Hwong, Jeen-Lian
- Abstract
The chemistry of stemflow for the forests at Fu-shan site has not been studied. The objective of this study was to compare stemflow of three dominant tree species in a subtropical rain forest of northeastern (NE) Taiwan. The three dominant tree species were yellow basket-willow (Engelhardtia roxburghiana), Morris persimmon (Diospyros morrisiana) and Chinese cryptocarya (Cryptocarya chinensis). Stemflow from yellow basket-willow had the highest pH and concentration of cations and anions. In general, mean concentrations of NH4+ and NO3- in stemflow were lower than those in precipitation, reflecting uptake processes in vegetation. On the other hand, stemflow was greatly enriched with SO42-. We believe this is due to dry deposition rather than from leached metabolites. There are no clear temporal patterns for most of the ions observed in stemflow chemistry. Stemflow was greatly enriched in K+ concentrations during growth season from April to May of 1991 and 1992.
- Subjects
TROPICS; WATER chemistry; RAIN forests; ENGELHARDIA; FORESTS &; forestry; DIOSPYROS; TREES
- Publication
Water, Air & Soil Pollution, 2004, Vol 155, Issue 1-4, p239
- ISSN
0049-6979
- Publication type
Article
- DOI
10.1023/B:WATE.0000026533.13427.a6