Positive relationships between phenol oxidase activity and extractable phenolics in estuarine soils

Hojeong Kang, Seung Hoon Lee, Sang Mi Lee, Soohyun Jung

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Decomposition of recalcitrant materials such as phenolics is known to play a pivotal role in organic matter decomposition and nutrient cycling in estuaries. The specific goals of this study were to determine temporal and spatial variations of phenol oxidase and phenolics in estuarine soils, and to elucidate controlling factors for phenol oxidase activity. To achieve these goals, phenol oxidase activity and phenolic content were measured in soils developed along the side of an estuary in the Han River, Korea. Soil samples were collected in three locations with different vegetation: mud flats, Zizania-dominated soils, and Salix-dominated soils. Monthly measurements were also made in a Zizania-dominated site over a year period. Phenol oxidase activity varied between 0.00 and 0.28 diqc min-1 g-1, whilst phenolic content ranged from 0.0-10.5 μg g-1. A correlation analysis revealed that phenol oxidase activity exhibited positive correlations with phenolic content in both seasonal and spatial data. The same relationship was found when the data were analysed separately for each site. Unlike peatlands or upland forest soils where negative correlations were often found between phenol oxidase activity and phenolics, substrate induction appears to account for the positive correlation in the present study.

Original languageEnglish
Pages (from-to)99-106
Number of pages8
JournalChemistry and Ecology
Volume25
Issue number2
DOIs
Publication statusPublished - 2009 Jul 17

Fingerprint

monophenol monooxygenase
phenol
Zizania
soil
estuaries
estuary
decomposition
upland soils
degradation
spatial data
Salix
mudflat
peatlands
nutrient cycling
peatland
forest soils
forest soil
biogeochemical cycles
Korean Peninsula
temporal variation

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Kang, Hojeong ; Lee, Seung Hoon ; Lee, Sang Mi ; Jung, Soohyun. / Positive relationships between phenol oxidase activity and extractable phenolics in estuarine soils. In: Chemistry and Ecology. 2009 ; Vol. 25, No. 2. pp. 99-106.
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Positive relationships between phenol oxidase activity and extractable phenolics in estuarine soils. / Kang, Hojeong; Lee, Seung Hoon; Lee, Sang Mi; Jung, Soohyun.

In: Chemistry and Ecology, Vol. 25, No. 2, 17.07.2009, p. 99-106.

Research output: Contribution to journalArticle

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