Sedimentary coprostanol in Kaohsiung Harbour and the Tan-Shui Estuary, Taiwan

Woei Lih Jeng, Bor Cheng Han

Research output: Contribution to journalArticle

88 Citations (Scopus)

Abstract

Coprostanol in sediments from Kaohsiung Harbour and the Tan-Shui Estuary has been analysed. In the Kaohsiung Harbour sediments, coprostanol has a concentration range between 0.58 and 128 μg g-1 dry wt with a mean of 20.8 μg g-1 dry wt; higher concentrations are found near the mouths of rivers. Moreover, a significant log-log correlation is found between total coprostanol concentration and oil hydrocarbon concentration (r=0.803*). In Tan-Shui Estuary sediments, coprostanol ranges in concentration from 1.00 to 230 μg g-1 dry wt with an average of 63.5 μg g-1 dry wt; relatively high levels of coprostanol (> 10 μg g-1) with 5β 5β+5α cholestanol ratios > 0.7 indicate positive sewage pollution. This probably results from an input from the sewage outfall, anoxicity, shallow water depths, inadequate tidal flushing, etc. Additionally, highly significant correlations have been found for coprostanol and cholesterol (r=0.986*) and for cholestanol and cholesterol (r=0.981*); these relationships are thought to be mediated predominantly by sediment micro-organisms in the reducing environment.

Original languageEnglish
Pages (from-to)494-499
Number of pages6
JournalMarine Pollution Bulletin
Volume28
Issue number8
DOIs
Publication statusPublished - 1994

Fingerprint

coprostanol
harbors (waterways)
Estuaries
Ports and harbors
Taiwan
Sediments
harbor
estuaries
estuary
Cholesterol
Sewage
sediment
sediments
sewage
sewage outfall
Outfalls
flushing
cholesterol
water depth
Pollution

ASJC Scopus subject areas

  • Aquatic Science
  • Oceanography
  • Pollution
  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Sedimentary coprostanol in Kaohsiung Harbour and the Tan-Shui Estuary, Taiwan. / Jeng, Woei Lih; Han, Bor Cheng.

In: Marine Pollution Bulletin, Vol. 28, No. 8, 1994, p. 494-499.

Research output: Contribution to journalArticle

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